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Mon, 02 Mar 2020 11:31:17 -0800 (PST) Message-ID: <5e5d5f05.1c69fb81.7810c.374e@mx.google.com> MIME-Version: 1.0 Date: Tue, 3 Mar 2020 03:31:09 +0800 From: XiangYong Thread-Topic: How to start Dom0's kdump on CentOS 7? 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[24.239.196.23]) by smtp.gmail.com with ESMTPSA id j8sm5503810ywg.102.2020.03.04.18.11.07 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 04 Mar 2020 18:11:08 -0800 (PST) Date: Wed, 04 Mar 2020 21:11:04 -0500 From: Predrag Punosevac To: xen-users@lists.xenproject.org Message-ID: <20200305021104.jZ7UmgRCu%punosevac72@gmail.com> User-Agent: s-nail v14.8.12 Subject: [Xen-users] CUDA Nvidia GPU computing on Xen DomU X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" SGkgQWxsLAoKSSdtIGluIGEgY3J1bmNoIHRyeWluZyB0byBkZXBsb3kgdHdvIEdlRm9yY2UgUlRY IDIwODAgU1VQRVIgY2FyZHMgb24gb25lCm9mIG15IFhlbiBEb21VIGNvbXB1dGluZyBub2Rlcy4g 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xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============3024205999183109276== Content-Type: multipart/alternative; boundary="00000000000004842505a0050d06" --00000000000004842505a0050d06 Content-Type: text/plain; charset="UTF-8" Hi, I have been working with using XEN on ODROID-XU4 board.I would like to optimize the boot time of XEN to 3s. Currently it is taking about 5s to boot.I have disabled the prints.There is about 4s delay before kernel load. Below is the log before disabling prints. [2020-02-13 12:53:18.791] (XEN) Brought up 8 CPUs [2020-02-13 12:53:18.791] (XEN) P2M: 40-bit IPA [2020-02-13 12:53:18.791] (XEN) P2M: 3 levels with order-1 root, VTCR 0x80003558 [2020-02-13 12:53:18.797] (XEN) I/O virtualisation disabled [2020-02-13 12:53:18.802] (XEN) *** LOADING DOMAIN 0 *** [2020-02-13 12:53:18.802] (XEN) Loading kernel from boot module @ 0000000060000000 [2020-02-13 12:53:18.808] (XEN) Allocating 1:1 mappings totalling 1024MB for dom0: [2020-02-13 12:53:19.578] (XEN) BANK[0] 0x00000070000000-0x000000b0000000 (1024MB) [2020-02-13 12:53:19.578] (XEN) Grant table range: 0x000000be800000-0x000000be861000 [2020-02-13 12:53:19.624] (XEN) Loading zImage from 0000000060000000 to 0000000077c00000-0000000077f08f60 [2020-02-13 12:53:19.649] (XEN) Allocating PPI 16 for event channel interrupt [2020-02-13 12:53:19.649] (XEN) Loading dom0 DTB to 0x0000000078000000-0x000000007800c2f0 [2020-02-13 12:53:19.654] (XEN) Scrubbing Free RAM on 1 nodes using 8 CPUs [2020-02-13 12:53:19.915] (XEN) ..done. [2020-02-13 12:53:20.168] (XEN) Initial low memory virq threshold set at 0x4000 pages. [2020-02-13 12:53:20.174] (XEN) Std. Loglevel: All [2020-02-13 12:53:20.174] (XEN) Guest Loglevel: All [2020-02-13 12:53:20.174] (XEN) Freed 264kB init memory. [2020-02-13 12:53:24.274] [ 0.000000] [c0] Booting Linux on physical CPU 0x0 I'm getting a delay after Freed 264kB init memory.I'm not able to figure out the reason for delay.Is there any way to reduce the delay?Please help me to solve this. Thank you. -- This message contains confidential information and is intended only for the individual(s) named. If you are not the intended recipient, you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this mail and attached file/s is strictly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmission cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mail transmission. --00000000000004842505a0050d06 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi,
I have been working with using XEN= on ODROID-XU4 board.I would like to optimize the boot time of XEN to 3s. C= urrently it is taking about 5s to boot.I have disabled the prints.There is = about 4s delay before kernel load.
Below is the log before disabl= ing prints.
=C2=A0
[2020-02-13 12:53:18.791] (XEN) Brought= up 8 CPUs
[2020-02-13 12:53:18.791] (XEN) P2M: 40-bit IPA
[2020-02-1= 3 12:53:18.791] (XEN) P2M: 3 levels with order-1 root, VTCR 0x80003558
[= 2020-02-13 12:53:18.797] (XEN) I/O virtualisation disabled
[2020-02-13 1= 2:53:18.802] (XEN) *** LOADING DOMAIN 0 ***
[2020-02-13 12:53:18.802] (X= EN) Loading kernel from boot module @ 0000000060000000
[2020-02-13 12:53= :18.808] (XEN) Allocating 1:1 mappings totalling 1024MB for dom0:
[2020-= 02-13 12:53:19.578] (XEN) BANK[0] 0x00000070000000-0x000000b0000000 (1024MB= )
[2020-02-13 12:53:19.578] (XEN) Grant table range: 0x000000be800000-0x= 000000be861000
[2020-02-13 12:53:19.624] (XEN) Loading zImage from 00000= 00060000000 to 0000000077c00000-0000000077f08f60
[2020-02-13 12:53:19.64= 9] (XEN) Allocating PPI 16 for event channel interrupt
[2020-02-13 12:53= :19.649] (XEN) Loading dom0 DTB to 0x0000000078000000-0x000000007800c2f0[2020-02-13 12:53:19.654] (XEN) Scrubbing Free RAM on 1 nodes using 8 CPUs=
[2020-02-13 12:53:19.915] (XEN) ..done.
[2020-02-13 12:53:20.168] (X= EN) Initial low memory virq threshold set at 0x4000 pages.
[2020-02-13 1= 2:53:20.174] (XEN) Std. Loglevel: All
[2020-02-13 12:53:20.174] (XEN) Gu= est Loglevel: All
[2020-02-13 12:53:20.174] (XEN) Freed 264kB init memor= y.
[2020-02-13 12:53:24.274] [ =C2=A0 =C2=A00.000000] [c0] Booting Linux= on physical CPU 0x0


I'm gettin= g a delay after Freed 264kB init memory.I'm not able to figure out the= reason for delay.Is there any way to reduce the delay?Please help me to so= lve this.


Thank you.
<= /div>

This message contains confidential information and is intended only for the individual(s) named. If you are not the = intended recipient, you are notified that disclosing, copying, distributing or takin= g any action in reliance on the contents of this mail and attached file/s is stri= ctly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmis= sion cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or cont= ain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mai= l transmission.

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Ip=[63.35.35.123]; Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR08MB3188 Subject: Re: [Xen-users] Xen boot time optimization X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: nd , Subhasree P V Content-Type: multipart/mixed; boundary="===============2125059891251521399==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============2125059891251521399== Content-Language: en-US Content-Type: multipart/alternative; boundary="_000_F171F0B9822849718FCD2F72C1C958DBarmcom_" --_000_F171F0B9822849718FCD2F72C1C958DBarmcom_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi, On 4 Mar 2020, at 10:40, Subhasree P V > wrote: Hi, I have been working with using XEN on ODROID-XU4 board.I would like to opti= mize the boot time of XEN to 3s. Currently it is taking about 5s to boot.I = have disabled the prints.There is about 4s delay before kernel load. Below is the log before disabling prints. [2020-02-13 12:53:18.791] (XEN) Brought up 8 CPUs [2020-02-13 12:53:18.791] (XEN) P2M: 40-bit IPA [2020-02-13 12:53:18.791] (XEN) P2M: 3 levels with order-1 root, VTCR 0x800= 03558 [2020-02-13 12:53:18.797] (XEN) I/O virtualisation disabled [2020-02-13 12:53:18.802] (XEN) *** LOADING DOMAIN 0 *** [2020-02-13 12:53:18.802] (XEN) Loading kernel from boot module @ 000000006= 0000000 [2020-02-13 12:53:18.808] (XEN) Allocating 1:1 mappings totalling 1024MB fo= r dom0: [2020-02-13 12:53:19.578] (XEN) BANK[0] 0x00000070000000-0x000000b0000000 (= 1024MB) [2020-02-13 12:53:19.578] (XEN) Grant table range: 0x000000be800000-0x00000= 0be861000 [2020-02-13 12:53:19.624] (XEN) Loading zImage from 0000000060000000 to 000= 0000077c00000-0000000077f08f60 [2020-02-13 12:53:19.649] (XEN) Allocating PPI 16 for event channel interru= pt [2020-02-13 12:53:19.649] (XEN) Loading dom0 DTB to 0x0000000078000000-0x00= 0000007800c2f0 [2020-02-13 12:53:19.654] (XEN) Scrubbing Free RAM on 1 nodes using 8 CPUs You probably want to disable scrubbing memory to speed up your boot (add bo= otscrub=3Dno to your command line). Regards Bertrand [2020-02-13 12:53:19.915] (XEN) ..done. [2020-02-13 12:53:20.168] (XEN) Initial low memory virq threshold set at 0x= 4000 pages. [2020-02-13 12:53:20.174] (XEN) Std. Loglevel: All [2020-02-13 12:53:20.174] (XEN) Guest Loglevel: All [2020-02-13 12:53:20.174] (XEN) Freed 264kB init memory. [2020-02-13 12:53:24.274] [ 0.000000] [c0] Booting Linux on physical CPU= 0x0 I'm getting a delay after Freed 264kB init memory.I'm not able to figure ou= t the reason for delay.Is there any way to reduce the delay?Please help me = to solve this. Thank you. This message contains confidential information and is intended only for the= individual(s) named. If you are not the intended recipient, you are notifi= ed that disclosing, copying, distributing or taking any action in reliance = on the contents of this mail and attached file/s is strictly prohibited. Pl= ease notify the sender immediately and delete this e-mail from your system.= E-mail transmission cannot be guaranteed to be secured or error-free as in= formation could be intercepted, corrupted, lost, destroyed, arrive late or = incomplete, or contain viruses. The sender therefore does not accept liabil= ity for any errors or omissions in the contents of this message, which aris= e as a result of e-mail transmission. _______________________________________________ Xen-users mailing list Xen-users@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-users --_000_F171F0B9822849718FCD2F72C1C958DBarmcom_ Content-Type: text/html; charset="us-ascii" Content-ID: <816159EEB61EF747AB438B0725BC15BD@eurprd08.prod.outlook.com> Content-Transfer-Encoding: quoted-printable Hi,

On 4 Mar 2020, at 10:40, Subhasree P V <subhasree.pv@pathpartnertech= .com> wrote:

Hi,
I have been working with using XEN on ODROID-XU4 board.I wo= uld like to optimize the boot time of XEN to 3s. Currently it is taking abo= ut 5s to boot.I have disabled the prints.There is about 4s delay before ker= nel load.
Below is the log before disabling prints.
 
[2020-02-13 12:53:18.791] (XEN) Brought up 8 CPUs
[2020-02-13 12:53:18.791] (XEN) P2M: 40-bit IPA
[2020-02-13 12:53:18.791] (XEN) P2M: 3 levels with order-1 root, VTCR 0x800= 03558
[2020-02-13 12:53:18.797] (XEN) I/O virtualisation disabled
[2020-02-13 12:53:18.802] (XEN) *** LOADING DOMAIN 0 ***
[2020-02-13 12:53:18.802] (XEN) Loading kernel from boot module @ 000000006= 0000000
[2020-02-13 12:53:18.808] (XEN) Allocating 1:1 mappings totalling 1024MB fo= r dom0:
[2020-02-13 12:53:19.578] (XEN) BANK[0] 0x00000070000000-0x000000b0000000 (= 1024MB)
[2020-02-13 12:53:19.578] (XEN) Grant table range: 0x000000be800000-0x00000= 0be861000
[2020-02-13 12:53:19.624] (XEN) Loading zImage from 0000000060000000 to 000= 0000077c00000-0000000077f08f60
[2020-02-13 12:53:19.649] (XEN) Allocating PPI 16 for event channel interru= pt
[2020-02-13 12:53:19.649] (XEN) Loading dom0 DTB to 0x0000000078000000-0x00= 0000007800c2f0
[2020-02-13 12:53:19.654] (XEN) Scrubbing Free RAM on 1 nodes using 8 CPUs<= br class=3D"">

You probably want to disable scrubbing memory to speed up your boot (a= dd bootscrub=3Dno to your command line).

Regards
Bertrand


[2020-02-13 12:53:19.915] (XEN) ..done.
[2020-02-13 12:53:20.168] (XEN) Initial low memory virq threshold set at 0x= 4000 pages.
[2020-02-13 12:53:20.174] (XEN) Std. Loglevel: All
[2020-02-13 12:53:20.174] (XEN) Guest Loglevel: All
[2020-02-13 12:53:20.174] (XEN) Freed 264kB init memory.
[2020-02-13 12:53:24.274] [    0.000000] [c0] Booting Linux on ph= ysical CPU 0x0


I'm getting a delay after Freed 264kB init memory.I'm not a= ble to figure out the reason for delay.Is there any way to reduce the delay= ?Please help me to solve this.


Thank you.

This message contains confide= ntial information and is intended only for the individual(s) named.<= span lang=3D"EN-IN" class=3D""> If you are not the intended recipient, you are notified that disclos= ing, copying, distributing or taking any action in reliance on the contents= of this mail and attached file/s is strictly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmission c= annot be guaranteed to be secured or error-free as information could be int= ercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain= viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this m= essage, which arise as a result of e-mail transmission.

_______________________________________________
Xen-users mailing list
Xen-users@list= s.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-users

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[54.240.197.236]) by smtp.gmail.com with ESMTPSA id g11sm1883011edq.36.2020.03.06.02.49.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 06 Mar 2020 02:49:28 -0800 (PST) To: Bertrand Marquis , Subhasree P V References: <19708D3A-6A82-4619-A678-E946F4A3DC4D@arm.com> From: Julien Grall Message-ID: <8347172a-babd-aa9f-fafb-30bb400fcd69@xen.org> Date: Fri, 6 Mar 2020 10:49:27 +0000 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <19708D3A-6A82-4619-A678-E946F4A3DC4D@arm.com> Content-Language: en-GB Subject: Re: [Xen-users] Xen boot time optimization X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: nd , "xen-users@lists.xenproject.org" Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: 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Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id D3DAFB40A; Fri, 6 Mar 2020 13:54:10 +0000 (UTC) Message-ID: From: Dario Faggioli To: Sarah Newman , "xen-devel@lists.xen.org" , xen-users Date: Fri, 06 Mar 2020 14:54:06 +0100 In-Reply-To: <4e71d68f-2e64-363d-349b-33571a63eab2@prgmr.com> References: <51dcae60df3a1ce7eaf51cbd5c51184645d51f53.camel@memset.com> <4e71d68f-2e64-363d-349b-33571a63eab2@prgmr.com> Organization: SUSE User-Agent: Evolution 3.34.4 MIME-Version: 1.0 Subject: Re: [Xen-users] [Xen-devel] CPU Lockup bug with the credit2 scheduler X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Glen , George Dunlap , PGNet Dev , Tomas Mozes , Juergen Gross , Alastair Browne Content-Type: multipart/mixed; boundary="===============9165404421860477139==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============9165404421860477139== Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-6JTCmd6+lU+GHqnqXqV3" --=-6JTCmd6+lU+GHqnqXqV3 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable [Adding George, as scheduler maintainer, and Juergen as he commented,=20 later in this thread] [Adding xen-users back, as the thread originated from there... sorry=20 for cross-posting] On Mon, 2020-02-17 at 11:58 -0800, Sarah Newman wrote: > If there are no merged or proposed fixes soon, it may be worth > considering making the credit scheduler the default again until > problems with the=20 > credit2 scheduler are resolved. >=20 Just as an heads up, I finally --thanks to Jim Fehlig-- gfound a machine where I could reproduce (something like) this. I've been able to do some analysis of the situation. Basically, on the server I'm using, I do not see stalls severe enough to cause=20 NMI/watchdogs to fire, but I do see, during boot, some preliminary signs of that. I checked what was happening in Xen at that point in time ('r' debug- key, which dumps the scheduler's data scructures), and I found out that there is a vCPU kind of stuck in a runqueue. In fact, the vCPU is in there, i.e., it is ready to run *but* not running, despite being plenty of idle pCPUs that could possibly run it. Reason why it's not being picked up, is that its credit are less than the ones of the idle vCPU. I have a theory about how it got in such a situation and, if I'm right, a draft of an idea of how to fix this. We're using this bug, that Glen kindly created, to track this issue: https://bugzilla.opensuse.org/show_bug.cgi?id=3D1165206#c3 But of course I'll keep upstream MLs updated as well. Stay tuned. :-) --=20 Dario Faggioli, Ph.D http://about.me/dario.faggioli Virtualization Software Engineer SUSE Labs, SUSE https://www.suse.com/ ------------------------------------------------------------------- <> (Raistlin Majere) --=-6JTCmd6+lU+GHqnqXqV3 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEES5ssOj3Vhr0WPnOLFkJ4iaW4c+4FAl5iVf8ACgkQFkJ4iaW4 c+7x8Q//agxkApjy3KhJLyiCoOf0Ll6RYPCxYAark/R2zEjpCXZ/QNRqlLyegvWv jeoWTd1wXnApwMrfmz1uMWgWvOWGi0jWy2BpH7H9nOctzkL4HX2Ygl01JA5VC2QO Uw+NLnPCF9oAz/1aIMt+M8KLE2T3fplnYR7xNado9ZbKt6qlQn3ydDIJKHZ21OFc TUfViu/hl1TQGPlNPU4MOZWF962Vg0uIZSoQUxX5sdIAtjcp7rXLLFl1jduf9191 m3P3p0kNEfVc4DIqCKw0o656aOIIeOAyYRH5CXFd4vyenP97O4gcvWGFUauIJNHz oe6pFIeteapWhkyfzNPyCYNcJcMkZnOVsCixCTrX2+TTScP6OS+J1LBcWfwfoQ0i rJ2mMlDXrw/mk8o6X8s41LU++pn4lUhZgZiSJJ0zs7Dz8dg5BIZU6NpkqsYTNhTY hrzIZYTyl8ew9h5gARNpxN03S10tGUP3AtbbpHgbeppCAX3mmOCn1x9llugu+XxX 4NR2ep3i0RvGw4PebwycEPaSkdbXveZDedTS4tzJUUxNs+QZkTd/80V7WcrkXUU6 XtRFUk8yNirDB9VlBsjZF7ZJkYNxmjhDMfIos9sgpHMvlXSYyfIk3zBmgTVKjzIk c8sH5yBUZSeSyTO3GshruSx/LcW1g6V3o//hB3hKjCMx4CD2eQo= =l2V8 -----END PGP SIGNATURE----- --=-6JTCmd6+lU+GHqnqXqV3-- --===============9165404421860477139== Content-Type: text/plain; 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Thu, 05 Mar 2020 21:50:44 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Subhasree P V Date: Fri, 6 Mar 2020 11:20:33 +0530 Message-ID: To: Bertrand Marquis X-Mailman-Approved-At: Fri, 06 Mar 2020 21:34:08 +0000 Subject: Re: [Xen-users] Xen boot time optimization X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: nd , "xen-users@lists.xenproject.org" Content-Type: multipart/mixed; boundary="===============6648197037426516563==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============6648197037426516563== Content-Type: multipart/alternative; boundary="00000000000000d6b905a0293cd4" --00000000000000d6b905a0293cd4 Content-Type: text/plain; charset="UTF-8" Thank you so much for your reply Bertrand.I have done it and was able to reduce about 520ms time. But still the delay before kernel load is the same.I think it is the time taken for the processing the interrupts.about 4s delay is there before kernel load.You can see it in the below log. [2020-03-06 10:23:32.817] (XEN) Freed 264kB init memory. [2020-03-06 10:23:36.719] [ 0.000000] [c0] Booting Linux on physical CPU 0x0 [2020-03-06 10:23:36.719] [ 0.000000] [c0] Initializing cgroup subsys cpu [2020-03-06 10:23:36.724] [ 0.000000] [c0] Initializing cgroup subsys cpuacct I have tried by setting *GICH_V2_LR_MAINTENANCE_IRQ* only for non-hardware irqs and avoiding for hardware irqs.1s reduction in the delay has been there when i have done so.But dom0 kernel was not loading completely while doing so.It was hanging at some point.I thought the delay might be because of too much inflight irqs.Could you please help me to solve it. Thanks & Regards, Subhasree On Thu, Mar 5, 2020 at 10:47 PM Bertrand Marquis wrote: > Hi, > > On 4 Mar 2020, at 10:40, Subhasree P V > wrote: > > Hi, > I have been working with using XEN on ODROID-XU4 board.I would like to > optimize the boot time of XEN to 3s. Currently it is taking about 5s to > boot.I have disabled the prints.There is about 4s delay before kernel load. > Below is the log before disabling prints. > > [2020-02-13 12:53:18.791] (XEN) Brought up 8 CPUs > [2020-02-13 12:53:18.791] (XEN) P2M: 40-bit IPA > [2020-02-13 12:53:18.791] (XEN) P2M: 3 levels with order-1 root, VTCR > 0x80003558 > [2020-02-13 12:53:18.797] (XEN) I/O virtualisation disabled > [2020-02-13 12:53:18.802] (XEN) *** LOADING DOMAIN 0 *** > [2020-02-13 12:53:18.802] (XEN) Loading kernel from boot module @ > 0000000060000000 > [2020-02-13 12:53:18.808] (XEN) Allocating 1:1 mappings totalling 1024MB > for dom0: > [2020-02-13 12:53:19.578] (XEN) BANK[0] 0x00000070000000-0x000000b0000000 > (1024MB) > [2020-02-13 12:53:19.578] (XEN) Grant table range: > 0x000000be800000-0x000000be861000 > [2020-02-13 12:53:19.624] (XEN) Loading zImage from 0000000060000000 to > 0000000077c00000-0000000077f08f60 > [2020-02-13 12:53:19.649] (XEN) Allocating PPI 16 for event channel > interrupt > [2020-02-13 12:53:19.649] (XEN) Loading dom0 DTB to > 0x0000000078000000-0x000000007800c2f0 > [2020-02-13 12:53:19.654] (XEN) Scrubbing Free RAM on 1 nodes using 8 CPUs > > > You probably want to disable scrubbing memory to speed up your boot (add > bootscrub=no to your command line). > > Regards > Bertrand > > > [2020-02-13 12:53:19.915] (XEN) ..done. > [2020-02-13 12:53:20.168] (XEN) Initial low memory virq threshold set at > 0x4000 pages. > [2020-02-13 12:53:20.174] (XEN) Std. Loglevel: All > [2020-02-13 12:53:20.174] (XEN) Guest Loglevel: All > [2020-02-13 12:53:20.174] (XEN) Freed 264kB init memory. > [2020-02-13 12:53:24.274] [ 0.000000] [c0] Booting Linux on physical > CPU 0x0 > > > I'm getting a delay after Freed 264kB init memory.I'm not able to figure > out the reason for delay.Is there any way to reduce the delay?Please help > me to solve this. > > > Thank you. > > This message contains confidential information and is intended only for > the individual(s) named. If you are not the intended recipient, you are > notified that disclosing, copying, distributing or taking any action in > reliance on the contents of this mail and attached file/s is strictly > prohibited. Please notify the sender immediately and delete this e-mail > from your system. E-mail transmission cannot be guaranteed to be secured or > error-free as information could be intercepted, corrupted, lost, destroyed, > arrive late or incomplete, or contain viruses. The sender therefore does > not accept liability for any errors or omissions in the contents of this > message, which arise as a result of e-mail transmission. > _______________________________________________ > Xen-users mailing list > Xen-users@lists.xenproject.org > https://lists.xenproject.org/mailman/listinfo/xen-users > > > -- This message contains confidential information and is intended only for the individual(s) named. If you are not the intended recipient, you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this mail and attached file/s is strictly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmission cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mail transmission. --00000000000000d6b905a0293cd4 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Thank you so much for your reply Bertrand.I have done= it and was able to reduce about 520ms time.
But still the de= lay before kernel load is the same.I think it is the time taken for the pro= cessing the interrupts.about 4s delay is there before kernel load.You can s= ee it in the below log.

[2020-03-06= 10:23:32.817] (XEN) Freed 264kB init memory.
[2020-03-06 10:23:36.719] = [ =C2=A0 =C2=A00.000000] [c0] Booting Linux on physical CPU 0x0
[2020-03= -06 10:23:36.719] [ =C2=A0 =C2=A00.000000] [c0] Initializing cgroup subsys = cpu
[2020-03-06 10:23:36.724] [ =C2=A0 =C2=A00.000000] [c0] Initializing= cgroup subsys cpuacct

I have tried by setting GICH_V2_LR_MAINTENANCE_IRQ only for non-hardware irqs and avoiding for hardware irqs.1s reduction i= n the delay has been there when i have done so.But dom0 kernel was not load= ing completely while doing so.It was hanging at some point.I thought the de= lay might be because of=C2=A0 too much inflight irqs.Could you please help = me to solve it.


Thanks & Regard= s,
Subhasree






On Thu, Mar 5, 2020 at 10:47 PM Bertrand Marquis <Bertrand.Marquis= @arm.com> wrote:
Hi,

On 4 Mar 2020, at 10:40, Subhasree P V <subhasree.pv@pathpartnertech.com= > wrote:

Hi,
I have been working with using XEN on ODROID-XU4 board.I would like to= optimize the boot time of XEN to 3s. Currently it is taking about 5s to bo= ot.I have disabled the prints.There is about 4s delay before kernel load.
Below is the log before disabling prints.
=C2=A0
[2020-02-13 12:53:18.791] (XEN) Brought up 8 CPUs
[2020-02-13 12:53:18.791] (XEN) P2M: 40-bit IPA
[2020-02-13 12:53:18.791] (XEN) P2M: 3 levels with order-1 root, VTCR 0x800= 03558
[2020-02-13 12:53:18.797] (XEN) I/O virtualisation disabled
[2020-02-13 12:53:18.802] (XEN) *** LOADING DOMAIN 0 ***
[2020-02-13 12:53:18.802] (XEN) Loading kernel from boot module @ 000000006= 0000000
[2020-02-13 12:53:18.808] (XEN) Allocating 1:1 mappings totalling 1024MB fo= r dom0:
[2020-02-13 12:53:19.578] (XEN) BANK[0] 0x00000070000000-0x000000b0000000 (= 1024MB)
[2020-02-13 12:53:19.578] (XEN) Grant table range: 0x000000be800000-0x00000= 0be861000
[2020-02-13 12:53:19.624] (XEN) Loading zImage from 0000000060000000 to 000= 0000077c00000-0000000077f08f60
[2020-02-13 12:53:19.649] (XEN) Allocating PPI 16 for event channel interru= pt
[2020-02-13 12:53:19.649] (XEN) Loading dom0 DTB to 0x0000000078000000-0x00= 0000007800c2f0
[2020-02-13 12:53:19.654] (XEN) Scrubbing Free RAM on 1 nodes using 8 CPUs<= br>

You probably want to disable scrubbing memory to speed up your boot (a= dd bootscrub=3Dno to your command line).

Regards
Bertrand


[2020-02-13 12:53:19.915] (XEN) ..done.
[2020-02-13 12:53:20.168] (XEN) Initial low memory virq threshold set at 0x= 4000 pages.
[2020-02-13 12:53:20.174] (XEN) Std. Loglevel: All
[2020-02-13 12:53:20.174] (XEN) Guest Loglevel: All
[2020-02-13 12:53:20.174] (XEN) Freed 264kB init memory.
[2020-02-13 12:53:24.274] [ =C2=A0 =C2=A00.000000] [c0] Booting Linux on ph= ysical CPU 0x0


I'm getting a delay after Freed 264kB init memory.I'm not able= to figure out the reason for delay.Is there any way to reduce the delay?Pl= ease help me to solve this.


Thank you.

This message contains confidential information and = is intended only for the individual(s) named. If you are not the intended recipient, you are notified that disclos= ing, copying, distributing or taking any action in reliance on the contents= of this mail and attached file/s is strictly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmission c= annot be guaranteed to be secured or error-free as information could be int= ercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain= viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this m= essage, which arise as a result of e-mail transmission.

_______________________________________________
Xen-users mailing list
Xen-use= rs@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-users


This message contains confidential information and is intended only for the individual(s) named. If you are not the = intended recipient, you are notified that disclosing, copying, distributing or takin= g any action in reliance on the contents of this mail and attached file/s is stri= ctly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmis= sion cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or cont= ain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mai= l transmission.

--00000000000000d6b905a0293cd4-- --===============6648197037426516563== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============6648197037426516563==-- From xen-users-bounces@lists.xenproject.org Fri Mar 06 21:35:18 2020 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Fri, 06 Mar 2020 21:35:18 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jAKbn-000683-Lx; Fri, 06 Mar 2020 21:34:15 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jAAcv-0003aR-4H for xen-users@lists.xenproject.org; Fri, 06 Mar 2020 10:54:45 +0000 X-Inumbo-ID: e3099846-5f98-11ea-b52f-bc764e2007e4 Received: from mail-oi1-x235.google.com (unknown [2607:f8b0:4864:20::235]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id e3099846-5f98-11ea-b52f-bc764e2007e4; Fri, 06 Mar 2020 10:54:43 +0000 (UTC) Received: by mail-oi1-x235.google.com with SMTP id q81so2149643oig.0 for ; Fri, 06 Mar 2020 02:54:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pathpartnertech.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=qwYImSrJAO9D16OBJyXaCN413tqxw/ruuEyqUWXXbyU=; b=NJJ3UHepy8RrnEiyi8MXlnp6Pn9FH9uURrVDb53VTtovO9LFria/iM8CQaBKzS2PNy PowZTscGguNZXPUWaDzcKez3j9QO9qWM2kaIVSl2vv41GfzxskQsKkSBj6L9OzMtWc7o H6y6gHYrZtXrile5seMiyOi6w/qALk5KjoNBh1esFtUW4MNhiZvfeoJvaraVxNHCop2p I6RCzKhOHOzQVlW+hCizh6J9pHAkFpNMliQyAmseEpChk7tR52FtpYALeqZNtqtraipq 3cF/6FSUHonctBv2eoVDOJoSMe8W2/ysGkj9U7hfrM/WWd89t9k1aMWWjcDgutn20GWW aUIw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=qwYImSrJAO9D16OBJyXaCN413tqxw/ruuEyqUWXXbyU=; b=UqmE/C4js3Ptdw14IYvptJWs1ldlMyUUAhGbmivQo4Kz5IEQV6n9H9S0WHdpolkXDd AYEG9VKXDl9fAGrCxZH1nBJkxmgUIgYeynr/SxdjdVQ7In2mVkMYqku20XYHWOLVhxHq mTh0B4XPtOpuQOAsrDc6TZaFMiBiTNAJ8ZZIRbXtSPGTL+F0aOFqBQnFKM0ihmkndu1x cA31V3Re+fojuh/VWWInIkssArb8EYR696TkRIyE9YPJrODEJ1GnZvSEhCoy5Zu7EMWn b3Z6ew+bBVD4zqRnpCMBEHxv7Y/uUh518+foJQ5aXcBNujm/BZmi8xwFE8i1LdL2oP9b CI6w== X-Gm-Message-State: ANhLgQ3tfCMrSZSA+txtYA2Xzjm3tInaHxhGrDI8lNS+u56kRc2ELFGZ AAzpJVMlGOfPiSUr0YUsMnyfFhByj45PM+1yOp1fjP6nzudE/6BxOtYmAf9jjwm9O7xFLeao8iY zOyFTAOQ9QJ/HnHfqJ8xJ3m0v4+3y5I0Y6Kvq X-Google-Smtp-Source: ADFU+vvbfMvTLOtsfi+K7s5WBXIbS+K7sifGTpbiPfHbdSiVeP87wIkB13lANoEVqXi4tkU9Y3mCOkNG3bWA/2BpXRQ= X-Received: by 2002:aca:b9d6:: with SMTP id j205mr2120987oif.179.1583492083173; Fri, 06 Mar 2020 02:54:43 -0800 (PST) MIME-Version: 1.0 References: <19708D3A-6A82-4619-A678-E946F4A3DC4D@arm.com> In-Reply-To: <19708D3A-6A82-4619-A678-E946F4A3DC4D@arm.com> From: Subhasree P V Date: Fri, 6 Mar 2020 16:24:32 +0530 Message-ID: To: Bertrand Marquis X-Mailman-Approved-At: Fri, 06 Mar 2020 21:34:15 +0000 Subject: Re: [Xen-users] Xen boot time optimization X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: nd , "xen-users@lists.xenproject.org" Content-Type: multipart/mixed; boundary="===============5773431287334246173==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============5773431287334246173== Content-Type: multipart/alternative; boundary="0000000000001f605805a02d7b3d" --0000000000001f605805a02d7b3d Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hi, Thank you for your reply.I have enabled the CONFIG_DEBUG_LL in arch/arm/configs/odroidxu3_xen_defconfig and arch/arm/configs/odroidxu3_defconfig.And now i'm getting the print like [2020-03-06 16:05:53.443] (XEN) Guest Loglevel: All [2020-03-06 16:05:53.443] (XEN) Freed 264kB init memory. [2020-03-06 16:05:55.111] (XEN) DOM0: Uncompressing Linux... done, booting the kernel. and it is hanging there.But the print is not coming from XEN.it's coming from arch/arm/boot/compressed/misc.c of dom0 linux.It's quiet confusing and I couldn't figure out the problem.Please help Regards, Subhasree On Fri, Mar 6, 2020 at 1:51 PM Bertrand Marquis wrote: > > On 6 Mar 2020, at 05:50, Subhasree P V > wrote: > > Thank you so much for your reply Bertrand.I have done it and was able to > reduce about 520ms time.. > > > Nice. > > But still the delay before kernel load is the same.I think it is the time > taken for the processing the interrupts.about 4s delay is there before > kernel load.You can see it in the below log. > > [2020-03-06 10:23:32.817] (XEN) Freed 264kB init memory. > [2020-03-06 10:23:36.719] [ 0.000000] [c0] Booting Linux on physical > CPU 0x0 > [2020-03-06 10:23:36.719] [ 0.000000] [c0] Initializing cgroup subsys > cpu > [2020-03-06 10:23:36.724] [ 0.000000] [c0] Initializing cgroup subsys > cpuacct > > I have tried by setting *GICH_V2_LR_MAINTENANCE_IRQ* only for > non-hardware irqs and avoiding for hardware irqs.1s reduction in the dela= y > has been there when i have done so.But dom0 kernel was not loading > completely while doing so.It was hanging at some point.I thought the dela= y > might be because of too much inflight irqs.Could you please help me to > solve it. > > > You are probably missing IRQs in Linux when you did that as the > maintenance IRQ is needed by the vGIC. > > Regarding the delay you see between =E2=80=9CFreed=E2=80=9D and first lin= ux message it > might be interesting to check if this time is actually spent in Xen or in > Linux because the Freed is the last message printed by Xen here. > > I cannot setup a system now to do some investigation on this but boot tim= e > with xen is something I will be definitely look at in the next months. > > Regards > Bertrand > > > Thanks & Regards, > Subhasree > > > > > > > On Thu, Mar 5, 2020 at 10:47 PM Bertrand Marquis > wrote: > >> Hi, >> >> On 4 Mar 2020, at 10:40, Subhasree P V >> wrote: >> >> Hi, >> I have been working with using XEN on ODROID-XU4 board.I would like to >> optimize the boot time of XEN to 3s. Currently it is taking about 5s to >> boot.I have disabled the prints.There is about 4s delay before kernel lo= ad. >> Below is the log before disabling prints. >> >> [2020-02-13 12:53:18.791] (XEN) Brought up 8 CPUs >> [2020-02-13 12:53:18.791] (XEN) P2M: 40-bit IPA >> [2020-02-13 12:53:18.791] (XEN) P2M: 3 levels with order-1 root, VTCR >> 0x80003558 >> [2020-02-13 12:53:18.797] (XEN) I/O virtualisation disabled >> [2020-02-13 12:53:18.802] (XEN) *** LOADING DOMAIN 0 *** >> [2020-02-13 12:53:18.802] (XEN) Loading kernel from boot module @ >> 0000000060000000 >> [2020-02-13 12:53:18.808] (XEN) Allocating 1:1 mappings totalling 1024MB >> for dom0: >> [2020-02-13 12:53:19.578] (XEN) BANK[0] 0x00000070000000-0x000000b000000= 0 >> (1024MB) >> >> > This step takes 800ms > > [2020-02-13 12:53:19.578] (XEN) Grant table range: >> 0x000000be800000-0x000000be861000 >> [2020-02-13 12:53:19.624] (XEN) Loading zImage from 0000000060000000 to >> 0000000077c00000-0000000077f08f60 >> [2020-02-13 12:53:19.649] (XEN) Allocating PPI 16 for event channel >> interrupt >> [2020-02-13 12:53:19.649] (XEN) Loading dom0 DTB to >> 0x0000000078000000-0x000000007800c2f0 >> [2020-02-13 12:53:19.654] (XEN) Scrubbing Free RAM on 1 nodes using 8 CP= Us >> >> >> You probably want to disable scrubbing memory to speed up your boot (add >> bootscrub=3Dno to your command line). >> >> Regards >> Bertrand >> >> >> [2020-02-13 12:53:19.915] (XEN) ..done. >> [2020-02-13 12:53:20.168] (XEN) Initial low memory virq threshold set at >> 0x4000 pages. >> [2020-02-13 12:53:20.174] (XEN) Std. Loglevel: All >> [2020-02-13 12:53:20.174] (XEN) Guest Loglevel: All >> [2020-02-13 12:53:20.174] (XEN) Freed 264kB init memory. >> [2020-02-13 12:53:24.274] [ 0.000000] [c0] Booting Linux on physical >> CPU 0x0 >> >> >> I'm getting a delay after Freed 264kB init memory.I'm not able to figure >> out the reason for delay.Is there any way to reduce the delay?Please hel= p >> me to solve this. >> >> >> Thank you. >> >> This message contains confidential information and is intended only for >> the individual(s) named. If you are not the intended recipient, you are >> notified that disclosing, copying, distributing or taking any action in >> reliance on the contents of this mail and attached file/s is strictly >> prohibited. Please notify the sender immediately and delete this e-mail >> from your system. E-mail transmission cannot be guaranteed to be secured= or >> error-free as information could be intercepted, corrupted, lost, destroy= ed, >> arrive late or incomplete, or contain viruses. The sender therefore does >> not accept liability for any errors or omissions in the contents of this >> message, which arise as a result of e-mail transmission. >> _______________________________________________ >> Xen-users mailing list >> Xen-users@lists.xenproject.org >> https://lists.xenproject.org/mailman/listinfo/xen-users >> >> >> > This message contains confidential information and is intended only for > the individual(s) named. If you are not the intended recipient, you are > notified that disclosing, copying, distributing or taking any action in > reliance on the contents of this mail and attached file/s is strictly > prohibited. Please notify the sender immediately and delete this e-mail > from your system. E-mail transmission cannot be guaranteed to be secured = or > error-free as information could be intercepted, corrupted, lost, destroye= d, > arrive late or incomplete, or contain viruses. The sender therefore does > not accept liability for any errors or omissions in the contents of this > message, which arise as a result of e-mail transmission. > > > --=20 This message contains confidential information and is intended only=20 for the individual(s) named. If you are not the intended recipient, you are=20 notified that disclosing, copying, distributing or taking any action in=20 reliance on the contents of this mail and attached file/s is strictly prohibited. Please notify the sender immediately and delete this e-mail=20 from your system. E-mail transmission cannot be guaranteed to be secured or=20 error-free as information could be intercepted, corrupted, lost, destroyed,=20 arrive late or incomplete, or contain viruses. The sender therefore does=20 not accept liability for any errors or omissions in the contents of this=20 message, which arise as a result of e-mail transmission. --0000000000001f605805a02d7b3d Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi,
Thank you for your reply.I have enabled= the CONFIG_DEBUG_LL in arch/arm/configs/odroidxu3_xen_defconfig and arch/a= rm/configs/odroidxu3_defconfig.And now i'm getting the print like
<= /div>
[2020-03-06 16:05:53.443] (XEN) Guest Loglevel: All
[2020-03-0= 6 16:05:53.443] (XEN) Freed 264kB init memory.
[2020-03-06 16:05:55.111]= (XEN) DOM0: Uncompressing Linux... done, booting the kernel.
and it is hanging there.But the print is not coming from XEN.it= 's coming from arch/arm/boot/compressed/misc.c of dom0 linux.It's q= uiet confusing and I couldn't figure out the problem.Please help


Regards,
Subhasree

On Fri, Mar 6, 2020 at 1:51 PM Bertrand Marquis <Bertrand.Marquis@arm.com> wrote:

On 6 Mar 2020, at 05:50, Subhasree P V <subhasree.pv@pathpartnertech.com= > wrote:

Thank you so much for your reply Bertrand.I have done it and was able = to reduce about 520ms time..

Nice.

But still the delay before kernel load is the same.I think it is the t= ime taken for the processing the interrupts.about 4s delay is there before = kernel load.You can see it in the below log.

[2020-03-06 10:23:32.817] (XEN) Freed 264kB init memory.
[2020-03-06 10:23:36.719] [ =C2=A0 =C2=A00.000000] [c0] Booting Linux on ph= ysical CPU 0x0
[2020-03-06 10:23:36.719] [ =C2=A0 =C2=A00.000000] [c0] Initializing cgroup= subsys cpu
[2020-03-06 10:23:36.724] [ =C2=A0 =C2=A00.000000] [c0] Initializing cgroup= subsys cpuacct

I have tried by setting GICH_V2_LR_MAINTENANCE_IRQ only for non= -hardware irqs and avoiding for hardware irqs.1s reduction in the delay has= been there when i have done so.But dom0 kernel was not loading completely = while doing so.It was hanging at some point.I thought the delay might be because of=C2=A0 to= o much inflight irqs.Could you please help me to solve it.


You are probably missing IRQs in Linux when you did that as the mainte= nance IRQ is needed by the vGIC.

Regarding the delay you see between =E2=80=9CFreed=E2=80=9D and first = linux message it might be interesting to check if this time is actually spe= nt in Xen or in Linux because the Freed is the last message printed by Xen = here.

I cannot setup a system now to do some investigation on this but boot = time with xen is something I will be definitely look at in the next months.=

Regards
Bertrand


Thanks & Regards,
Subhasree






On Thu, Mar 5, 2020 at 10:47 PM Bertr= and Marquis <Bertrand.Marquis@arm.com> wrote:
Hi,

On 4 Mar 2020, at 10:40, Subhasree P V <subhasree.pv@pathpartnertech.com= > wrote:

Hi,
I have been working with using XEN on ODROID-XU4 board.I would like to= optimize the boot time of XEN to 3s. Currently it is taking about 5s to bo= ot.I have disabled the prints.There is about 4s delay before kernel load.
Below is the log before disabling prints.
=C2=A0
[2020-02-13 12:53:18.791] (XEN) Brought up 8 CPUs
[2020-02-13 12:53:18.791] (XEN) P2M: 40-bit IPA
[2020-02-13 12:53:18.791] (XEN) P2M: 3 levels with order-1 root, VTCR 0x800= 03558
[2020-02-13 12:53:18.797] (XEN) I/O virtualisation disabled
[2020-02-13 12:53:18.802] (XEN) *** LOADING DOMAIN 0 ***
[2020-02-13 12:53:18.802] (XEN) Loading kernel from boot module @ 000000006= 0000000
[2020-02-13 12:53:18.808] (XEN) Allocating 1:1 mappings totalling 1024MB fo= r dom0:
[2020-02-13 12:53:19.578] (XEN) BANK[0] 0x00000070000000-0x000000b0000000 (= 1024MB)

This step takes 800ms

[2020-02-13 12:53:19.578] (XEN) Grant table range: 0x000000be800000-0x= 000000be861000
[2020-02-13 12:53:19.624] (XEN) Loading zImage from 0000000060000000 to 000= 0000077c00000-0000000077f08f60
[2020-02-13 12:53:19.649] (XEN) Allocating PPI 16 for event channel interru= pt
[2020-02-13 12:53:19.649] (XEN) Loading dom0 DTB to 0x0000000078000000-0x00= 0000007800c2f0
[2020-02-13 12:53:19.654] (XEN) Scrubbing Free RAM on 1 nodes using 8 CPUs<= br>

You probably want to disable scrubbing memory to speed up your boot (a= dd bootscrub=3Dno to your command line).

Regards
Bertrand


[2020-02-13 12:53:19.915] (XEN) ..done.
[2020-02-13 12:53:20.168] (XEN) Initial low memory virq threshold set at 0x= 4000 pages.
[2020-02-13 12:53:20.174] (XEN) Std. Loglevel: All
[2020-02-13 12:53:20.174] (XEN) Guest Loglevel: All
[2020-02-13 12:53:20.174] (XEN) Freed 264kB init memory.
[2020-02-13 12:53:24.274] [ =C2=A0 =C2=A00.000000] [c0] Booting Linux on ph= ysical CPU 0x0


I'm getting a delay after Freed 264kB init memory.I'm not able= to figure out the reason for delay.Is there any way to reduce the delay?Pl= ease help me to solve this.


Thank you.

This message contains confidential information and = is intended only for the individual(s) named. If you are not the intended recipient, you are notified that disclos= ing, copying, distributing or taking any action in reliance on the contents= of this mail and attached file/s is strictly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmission c= annot be guaranteed to be secured or error-free as information could be int= ercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain= viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this m= essage, which arise as a result of e-mail transmission.

_______________________________________________
Xen-users mailing list
Xen-use= rs@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-users


This message contains confidential information and = is intended only for the individual(s) named. If you are not the intended recipient, you are notified that disclos= ing, copying, distributing or taking any action in reliance on the contents= of this mail and attached file/s is strictly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmission c= annot be guaranteed to be secured or error-free as information could be int= ercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain= viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this m= essage, which arise as a result of e-mail transmission.



This message contains confidential information and is intended only for the individual(s) named. If you are not the = intended recipient, you are notified that disclosing, copying, distributing or takin= g any action in reliance on the contents of this mail and attached file/s is stri= ctly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmis= sion cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or cont= ain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mai= l transmission.

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Is there any reason for > that? > > On 06/03/2020 11:25, Subhasree P V wrote: > > Hi Julien, > > Thanks for your reply. > > Below is my current log after disabling the prints and enabling > > CONFIG_DEBUG_LL in arch/arm/configs/odroidxu3_xen_defconfig and > > arch/arm/configs/odroidxu3_defconfig. > > [2020-03-06 16:05:51.039] > > [2020-03-06 16:05:51.039] CPU: Exynos5422 @ 800 MHz > > [2020-03-06 16:05:51.039] Model: Odroid XU4 based on EXYNOS5422 > > [2020-03-06 16:05:51.044] Board: Odroid XU4 based on EXYNOS5422 > > [2020-03-06 16:05:51.049] Type: xu4 > > [2020-03-06 16:05:51.049] DRAM: 2 GiB > > [2020-03-06 16:05:51.183] MMC: EXYNOS DWMMC: 0, EXYNOS DWMMC: 1 > > [2020-03-06 16:05:51.275] MMC Device 0 ( SD ): 7.4 GiB > > [2020-03-06 16:05:51.275] mmc_init: -5, time 3 > > [2020-03-06 16:05:51.288] *** Warning - bad CRC, using default > environment > > [2020-03-06 16:05:51.288] > > [2020-03-06 16:05:51.447] In: serial > > [2020-03-06 16:05:51.447] Out: serial > > [2020-03-06 16:05:51.447] Err: serial > > [2020-03-06 16:05:51.916] Kernel image @ 0x50000000 [ 0x000000 - > 0x101700 ] > > [2020-03-06 16:05:51.916] ## Flattened Device Tree blob at 42000000 > > [2020-03-06 16:05:51.922] Booting using the fdt blob at 0x42000000 > > [2020-03-06 16:05:51.932] reserving fdt memory region: addr=42000000 > > size=d000 > > [2020-03-06 16:05:51.932] Loading Device Tree to 4fff0000, end > > 4fffffff ... OK > > [2020-03-06 16:05:52.024] > > [2020-03-06 16:05:52.025] Starting kernel ... > > [2020-03-06 16:05:52.025] > > [2020-03-06 16:05:52.050] (XEN) Checking for initrd in /chosen > > [2020-03-06 16:05:52.573] Xen 4.6.0 > > [2020-03-06 16:05:52.573] (XEN) Generic Timer IRQ: phys=30 hyp=26 > > virt=27 Freq: 24000 KHz > > [2020-03-06 16:05:52.579] (XEN) GICv2 initialization: > > [2020-03-06 16:05:52.579] (XEN) gic_dist_addr=0000000010481000 > > [2020-03-06 16:05:52.584] (XEN) gic_cpu_addr=0000000010482000 > > [2020-03-06 16:05:52.590] (XEN) gic_hyp_addr=0000000010484000 > > [2020-03-06 16:05:52.590] (XEN) gic_vcpu_addr=0000000010486000 > > [2020-03-06 16:05:52.595] (XEN) gic_maintenance_irq=25 > > [2020-03-06 16:05:52.603] (XEN) GICv2: 256 lines, 8 cpus, secure (IID > > 0200043b). > > [2020-03-06 16:05:52.614] (XEN) Brought up 8 CPUs > > [2020-03-06 16:05:52.614] (XEN) I/O virtualisation disabled > > [2020-03-06 16:05:52.614] (XEN) *** LOADING DOMAIN 0 *** > > [2020-03-06 16:05:52.619] (XEN) Loading kernel from boot module @ > > 0000000060000000 > > [2020-03-06 16:05:53.443] (XEN) Std. Loglevel: All > > [2020-03-06 16:05:53.443] (XEN) Guest Loglevel: All > > [2020-03-06 16:05:53.443] (XEN) Freed 264kB init memory. > > [2020-03-06 16:05:55.111] (XEN) DOM0: Uncompressing Linux... done, > > booting the kernel. > > > > I'm getting an additional print here now like > > *(XEN) DOM0: Uncompressing Linux... done, booting the kernel.* > > But it is coming from arch/arm/boot/compressed/misc.c of dom0 Linux and > > hangs after that print. > > Don't you see any progress at all afterwards? > > > Upto "Freed 264kB init memory" my boot time is*1.418*s.But delay is > > coming after that. > > > > In my previous logs without enabling CONFIG_DEBUG_LL i got prints like, > > > > [2020-03-06 10:23:31.406] Starting kernel ... > > [2020-03-06 10:23:31.406] > > [2020-03-06 10:23:31.432] (XEN) Checking for initrd in /chosen > > [2020-03-06 10:23:31.954] Xen 4.6.0 > > [2020-03-06 10:23:31.954] (XEN) Generic Timer IRQ: phys=30 hyp=26 > > virt=27 Freq: 24000 KHz > > [2020-03-06 10:23:31.960] (XEN) GICv2 initialization: > > [2020-03-06 10:23:31.960] (XEN) gic_dist_addr=0000000010481000 > > [2020-03-06 10:23:31.965] (XEN) gic_cpu_addr=0000000010482000 > > [2020-03-06 10:23:31.971] (XEN) gic_hyp_addr=0000000010484000 > > [2020-03-06 10:23:31.971] (XEN) gic_vcpu_addr=0000000010486000 > > [2020-03-06 10:23:31.977] (XEN) gic_maintenance_irq=25 > > [2020-03-06 10:23:31.984] (XEN) GICv2: 256 lines, 8 cpus, secure (IID > > 0200043b). > > [2020-03-06 10:23:31.995] (XEN) Brought up 8 CPUs > > [2020-03-06 10:23:31.995] (XEN) I/O virtualisation disabled > > [2020-03-06 10:23:31.995] (XEN) *** LOADING DOMAIN 0 *** > > [2020-03-06 10:23:32.001] (XEN) Loading kernel from boot module @ > > 0000000060000000 > > [2020-03-06 10:23:32.817] (XEN) Std. Loglevel: All > > [2020-03-06 10:23:32.817] (XEN) Guest Loglevel: All > > [2020-03-06 10:23:32.817] (XEN) Freed 264kB init memory. > > [2020-03-06 10:23:36.719] [ 0.000000] [c0] Booting Linux on physical > > CPU 0x0 > > [2020-03-06 10:23:36.719] [ 0.000000] [c0] Initializing cgroup subsys > cpu > > [2020-03-06 10:23:36.724] [ 0.000000] [c0] Initializing cgroup subsys > > cpuacct > > > > Is that delay coming from xen or dom0 kernel.If it's from xen how could > > i reduce it.. > > I don't have enough data to now exactly where the bottlneck is. I would > recommend to get early prink in Linux fully working so you have more log > and timestamp to narrow it down. > > -- > Julien Grall > -- This message contains confidential information and is intended only for the individual(s) named. If you are not the intended recipient, you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this mail and attached file/s is strictly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmission cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mail transmission. --000000000000bfbc3305a055cc84 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi,
I just need to make s= ure the delay is coming from xen or linux kernel.The below print is coming = from decompress_kernel function in arch/arm/boot/compressed/misc.c.<= /div>
DOM0: Uncompressing Linux... done, booting the kernel.

On Fri, Mar 6, 2020 at 5:10 PM Julien Grall <julien@xen.org> wrote:=
Hello,

You seem to have dropped xen-users@ from the CC. Is there any reason for that?

On 06/03/2020 11:25, Subhasree P V wrote:
> Hi Julien,
> Thanks for your reply.
> Below is my current log after disabling the prints and enabling
> CONFIG_DEBUG_LL in arch/arm/configs/odroidxu3_xen_defconfig and
> arch/arm/configs/odroidxu3_defconfig.
> [2020-03-06 16:05:51.039]
> [2020-03-06 16:05:51.039] CPU: =C2=A0 Exynos5422 @ 800 MHz
> [2020-03-06 16:05:51.039] Model: Odroid XU4 based on EXYNOS5422
> [2020-03-06 16:05:51.044] Board: Odroid XU4 based on EXYNOS5422
> [2020-03-06 16:05:51.049] Type: =C2=A0xu4
> [2020-03-06 16:05:51.049] DRAM: =C2=A02 GiB
> [2020-03-06 16:05:51.183] MMC: =C2=A0 EXYNOS DWMMC: 0, EXYNOS DWMMC: 1=
> [2020-03-06 16:05:51.275] MMC Device 0 ( SD ): 7.4 GiB
> [2020-03-06 16:05:51.275] mmc_init: -5, time 3
> [2020-03-06 16:05:51.288] *** Warning - bad CRC, using default environ= ment
> [2020-03-06 16:05:51.288]
> [2020-03-06 16:05:51.447] In: =C2=A0 =C2=A0serial
> [2020-03-06 16:05:51.447] Out: =C2=A0 serial
> [2020-03-06 16:05:51.447] Err: =C2=A0 serial
> [2020-03-06 16:05:51.916] Kernel image @ 0x50000000 [ 0x000000 - 0x101= 700 ]
> [2020-03-06 16:05:51.916] ## Flattened Device Tree blob at 42000000 > [2020-03-06 16:05:51.922] =C2=A0 =C2=A0Booting using the fdt blob at 0= x42000000
> [2020-03-06 16:05:51.932] =C2=A0 =C2=A0reserving fdt memory region: ad= dr=3D42000000
> size=3Dd000
> [2020-03-06 16:05:51.932] =C2=A0 =C2=A0Loading Device Tree to 4fff0000= , end
> 4fffffff ... OK
> [2020-03-06 16:05:52.024]
> [2020-03-06 16:05:52.025] Starting kernel ...
> [2020-03-06 16:05:52.025]
> [2020-03-06 16:05:52.050] (XEN) Checking for initrd in /chosen
> [2020-03-06 16:05:52.573] =C2=A0Xen 4.6.0
> [2020-03-06 16:05:52.573] (XEN) Generic Timer IRQ: phys=3D30 hyp=3D26 =
> virt=3D27 Freq: 24000 KHz
> [2020-03-06 16:05:52.579] (XEN) GICv2 initialization:
> [2020-03-06 16:05:52.579] (XEN) =C2=A0 =C2=A0 =C2=A0 =C2=A0 gic_dist_a= ddr=3D0000000010481000
> [2020-03-06 16:05:52.584] (XEN) =C2=A0 =C2=A0 =C2=A0 =C2=A0 gic_cpu_ad= dr=3D0000000010482000
> [2020-03-06 16:05:52.590] (XEN) =C2=A0 =C2=A0 =C2=A0 =C2=A0 gic_hyp_ad= dr=3D0000000010484000
> [2020-03-06 16:05:52.590] (XEN) =C2=A0 =C2=A0 =C2=A0 =C2=A0 gic_vcpu_a= ddr=3D0000000010486000
> [2020-03-06 16:05:52.595] (XEN) =C2=A0 =C2=A0 =C2=A0 =C2=A0 gic_mainte= nance_irq=3D25
> [2020-03-06 16:05:52.603] (XEN) GICv2: 256 lines, 8 cpus, secure (IID =
> 0200043b).
> [2020-03-06 16:05:52.614] (XEN) Brought up 8 CPUs
> [2020-03-06 16:05:52.614] (XEN) I/O virtualisation disabled
> [2020-03-06 16:05:52.614] (XEN) *** LOADING DOMAIN 0 ***
> [2020-03-06 16:05:52.619] (XEN) Loading kernel from boot module @
> 0000000060000000
> [2020-03-06 16:05:53.443] (XEN) Std. Loglevel: All
> [2020-03-06 16:05:53.443] (XEN) Guest Loglevel: All
> [2020-03-06 16:05:53.443] (XEN) Freed 264kB init memory.
> [2020-03-06 16:05:55.111] (XEN) DOM0: Uncompressing Linux... done, > booting the kernel.
>
> I'm getting an additional print here now like
> *(XEN) DOM0: Uncompressing Linux... done, booting the kernel.*
> But it is coming from arch/arm/boot/compressed/misc.c of dom0 Linux an= d
> hangs after that print.

Don't you see any progress at all afterwards?

> Upto "Freed 264kB init memory" my boot time is*1.418*s.But d= elay is
> coming after that.
>
> In my previous logs without enabling CONFIG_DEBUG_LL i got prints like= ,
>
> [2020-03-06 10:23:31.406] Starting kernel ...
> [2020-03-06 10:23:31.406]
> [2020-03-06 10:23:31.432] (XEN) Checking for initrd in /chosen
> [2020-03-06 10:23:31.954] =C2=A0Xen 4.6.0
> [2020-03-06 10:23:31.954] (XEN) Generic Timer IRQ: phys=3D30 hyp=3D26 =
> virt=3D27 Freq: 24000 KHz
> [2020-03-06 10:23:31.960] (XEN) GICv2 initialization:
> [2020-03-06 10:23:31.960] (XEN) =C2=A0 =C2=A0 =C2=A0 =C2=A0 gic_dist_a= ddr=3D0000000010481000
> [2020-03-06 10:23:31.965] (XEN) =C2=A0 =C2=A0 =C2=A0 =C2=A0 gic_cpu_ad= dr=3D0000000010482000
> [2020-03-06 10:23:31.971] (XEN) =C2=A0 =C2=A0 =C2=A0 =C2=A0 gic_hyp_ad= dr=3D0000000010484000
> [2020-03-06 10:23:31.971] (XEN) =C2=A0 =C2=A0 =C2=A0 =C2=A0 gic_vcpu_a= ddr=3D0000000010486000
> [2020-03-06 10:23:31.977] (XEN) =C2=A0 =C2=A0 =C2=A0 =C2=A0 gic_mainte= nance_irq=3D25
> [2020-03-06 10:23:31.984] (XEN) GICv2: 256 lines, 8 cpus, secure (IID =
> 0200043b).
> [2020-03-06 10:23:31.995] (XEN) Brought up 8 CPUs
> [2020-03-06 10:23:31.995] (XEN) I/O virtualisation disabled
> [2020-03-06 10:23:31.995] (XEN) *** LOADING DOMAIN 0 ***
> [2020-03-06 10:23:32.001] (XEN) Loading kernel from boot module @
> 0000000060000000
> [2020-03-06 10:23:32.817] (XEN) Std. Loglevel: All
> [2020-03-06 10:23:32.817] (XEN) Guest Loglevel: All
> [2020-03-06 10:23:32.817] (XEN) Freed 264kB init memory.
> [2020-03-06 10:23:36.719] [ =C2=A0 =C2=A00.000000] [c0] Booting Linux = on physical
> CPU 0x0
> [2020-03-06 10:23:36.719] [ =C2=A0 =C2=A00.000000] [c0] Initializing c= group subsys cpu
> [2020-03-06 10:23:36.724] [ =C2=A0 =C2=A00.000000] [c0] Initializing c= group subsys
> cpuacct
>
> Is that delay coming from xen or dom0 kernel.If it's from xen how = could
> i reduce it..

I don't have enough data to now exactly where the bottlneck is. I would=
recommend to get early prink in Linux fully working so you have more log and timestamp to narrow it down.

--
Julien Grall

This message contains confidential information and is intended only for the individual(s) named. If you are not the = intended recipient, you are notified that disclosing, copying, distributing or takin= g any action in reliance on the contents of this mail and attached file/s is stri= ctly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmis= sion cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or cont= ain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mai= l transmission.

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boundary="===============5219951931406222405==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============5219951931406222405== Content-Type: multipart/alternative; boundary="0000000000002aca0805a07c28ce" --0000000000002aca0805a07c28ce Content-Type: text/plain; charset="UTF-8" Thank you for your reply Julien.I have searched for the "earlycon" option in my linux-dom0.but i couldn't see that option in my Kconfig file.my dom0 version is 4.18.0-15-generic. Thanks & Regards, Subhasree P V On Mon, Mar 9, 2020 at 3:48 PM Julien Grall wrote: > > > On 08/03/2020 10:59, Subhasree P V wrote: > > Hi, > > Hi, > > Please don't top post. > > > I just need to make sure the delay is coming from xen or linux > > kernel.The below print is coming from*decompress_kernel* function in > > arch/arm/boot/compressed/misc.c. > > *DOM0: Uncompressing Linux... done, booting the kernel.* > > Does the same configuration works on baremetal? > > Another solution would be to add earlycon=xen on Linux command line (I > think this works on arm32 as well when CONFIG_SERIAL_EARLYCON=y). > > Cheers, > > -- > Julien Grall > -- This message contains confidential information and is intended only for the individual(s) named. If you are not the intended recipient, you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this mail and attached file/s is strictly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmission cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mail transmission. --0000000000002aca0805a07c28ce Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Thank you for your reply Julien.I have searched for t= he "earlycon" option in my linux-dom0.but i couldn't see that= option in my Kconfig file.my dom0 version is 4.18.0-15-generic.
=

Thanks & Regards,
Subhasree P V=


On Mon, Mar 9, 2020 at 3:48 PM Julien Grall <<= a href=3D"mailto:julien@xen.org">julien@xen.org> wrote:


On 08/03/2020 10:59, Subhasree P V wrote:
> Hi,

Hi,

Please don't top post.

> I just need to make sure the delay is coming from xen or linux
> kernel.The below print is coming from*decompress_kernel* function in <= br> > arch/arm/boot/compressed/misc.c.
> *DOM0: Uncompressing Linux... done, booting the kernel.*

Does the same configuration works on baremetal?

Another solution would be to add earlycon=3Dxen on Linux command line (I think this works on arm32 as well when CONFIG_SERIAL_EARLYCON=3Dy).

Cheers,

--
Julien Grall

This message contains confidential information and is intended only for the individual(s) named. If you are not the = intended recipient, you are notified that disclosing, copying, distributing or takin= g any action in reliance on the contents of this mail and attached file/s is stri= ctly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmis= sion cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or cont= ain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mai= l transmission.

--0000000000002aca0805a07c28ce-- --===============5219951931406222405== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============5219951931406222405==-- From xen-users-bounces@lists.xenproject.org Tue Mar 10 11:07:52 2020 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Tue, 10 Mar 2020 11:07:52 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jBcij-0006kq-UR; Tue, 10 Mar 2020 11:06:45 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jBcii-0006kl-Gn for xen-users@lists.xenproject.org; Tue, 10 Mar 2020 11:06:44 +0000 X-Inumbo-ID: 39d787ae-62bf-11ea-a50b-bc764e2007e4 Received: from mail-ot1-x32a.google.com (unknown [2607:f8b0:4864:20::32a]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 39d787ae-62bf-11ea-a50b-bc764e2007e4; Tue, 10 Mar 2020 11:06:43 +0000 (UTC) Received: by mail-ot1-x32a.google.com with SMTP id a9so6510832otl.6 for ; Tue, 10 Mar 2020 04:06:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=pathpartnertech.com; s=google; h=mime-version:from:date:message-id:subject:to; bh=r8DCqBDvU9iAyFxnV4Uf+L/IAtdXcFLlkElVLmmf7Lw=; b=dhcRQQR86OfyklGReHnTGl+iT1ccCj3ANUooKsNEzTLYqh8eQBnF8z+8ErbYt3X09B mwQB9enoVEFB04Q3ttWi4cyX/e/Chjp1NwhplIa36DG8rPRt+ef+im1yiOpri58TXhrI wEjFDJr77CYffokpGlfzDMsanfUNueVSFgpJn5nl2ji0syVLnf/6XzfJdTQEuohsumlU fJRdRHT6wXC3jPBMjQXQGbx7bHQ4Z4IHZ5gBDTHutxfTSkUUMAi2L1RIekL6MggvZIZQ ktGCHFR1vIQXkaB1G5rfPtMmkrkkMDK10ZoWQZkmzfMM5XF9uS/GFAIYVKuvsJF66k7h a4Vg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=r8DCqBDvU9iAyFxnV4Uf+L/IAtdXcFLlkElVLmmf7Lw=; b=aMyQnrUptyitO37JSOYAsPpt5Jd+dpaViEkJbW0kRCGroG4t2NM2khk0/wY6//+Tkz E3XGTNb6FqoSe0l9ylpJiml0hUBj4+83l2OxgKsEYanqYCZfnfWX8GtwsAPE4gCto8eI vNsH3UUTYu3DZWzh9Swak9NC7EZtX6tHvCQCEMq+CKfNxvA5SwPnAQbEeyLx1ffUEXMd OT28WX+8SEIhk4VWMrIlhCyv97I0LjCv0I5QdYgSjFnl+uA4Rwo8aGQ+5B4/FuSHJAX1 MdWzj3ZRQAIWS2RQrpY+a/tQZLSMiVoos4Rmthn1dLQzyED8g9b56hXL0Ic8R7aTYPFw ZDvg== X-Gm-Message-State: ANhLgQ2jdN7df3/csDFFJPh7OiSt49g/jO2wBEmziSYwo8UHlFcwr2oE acxYWeGnZ2Nk77kLnXHRTmTMF7jY5QOBceusLOq5MmF50IpjWfj2PfinyIXWSkTh6+o47X9wSip KWnZiPFe++iEyDCZKy+TUmcubwjKWMpvs/l557gmOu2jQ X-Google-Smtp-Source: ADFU+vv2cYOOe8qz2fn89yY0RssXNDQDcVVNWrgP5gXdNHab7y16gE3McpS2hTx20NO3CDZiOuuSKQQYVbVy6U1NAks= X-Received: by 2002:a9d:6655:: with SMTP id q21mr15642722otm.70.1583838402990; Tue, 10 Mar 2020 04:06:42 -0700 (PDT) MIME-Version: 1.0 From: Subhasree P V Date: Tue, 10 Mar 2020 16:36:32 +0530 Message-ID: To: xen-users@lists.xenproject.org Subject: [Xen-users] XEN boot time optimization X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3907683924944863060==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============3907683924944863060== Content-Type: multipart/alternative; boundary="00000000000064677c05a07e1d0c" --00000000000064677c05a07e1d0c Content-Type: text/plain; charset="UTF-8" Hi, I'm currently working on boot time optimization of xen in ODROID XU4 Board.I have disabled the boot scrubbing and disabled the prints. My current log for xen is like below. [2020-03-10 14:42:21.018] Starting kernel ... [2020-03-10 14:42:21.019] [2020-03-10 14:42:21.043] (XEN) Checking for initrd in /chosen [2020-03-10 14:42:21.561] Xen 4.6.0 [2020-03-10 14:42:21.574] (XEN) Brought up 8 CPUs [2020-03-10 14:42:21.574] (XEN) *** LOADING DOMAIN 0 *** [2020-03-10 14:42:22.870] (XEN) Freed 264kB init memory. [2020-03-10 14:42:25.587] [ 0.000000] [c0] Booting Linux on physical CPU 0x0 I can see a delay of about 2.720s after Freed 264kB init memory and before the dom0 kernel load.please see the below log *[2020-03-10 14:42:22.870] (XEN) Freed 264kB init memory.[2020-03-10 14:42:25.587] [ 0.000000] [c0] Booting Linux on physical CPU 0x0* I'm not able to figure out where the delay is actually coming from.Is it the time taken for the processing of interrupts or for the kernel initialization?Is there any way to reduce that delay?somebody please help me to solve this. Thanks & Regards, subhasree -- This message contains confidential information and is intended only for the individual(s) named. If you are not the intended recipient, you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this mail and attached file/s is strictly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmission cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mail transmission. --00000000000064677c05a07e1d0c Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi,
I'm currently working on boot time = optimization of xen in ODROID XU4 Board.I have disabled the boot scrubbing = and disabled the prints. My current log for xen is like below.
[2020-03-10 14:42:21.018] Starting kernel ...
[2020-03-10 14:42:21.019= ]
[2020-03-10 14:42:21.043] (XEN) Checking for initrd in /chosen
[20= 20-03-10 14:42:21.561] =C2=A0Xen 4.6.0
[2020-03-10 14:42:21.574] (XEN) B= rought up 8 CPUs
[2020-03-10 14:42:21.574] (XEN) *** LOADING DOMAIN 0 **= *
[2020-03-10 14:42:22.870] (XEN) Freed 264kB init memory.
[2020-03-1= 0 14:42:25.587] [ =C2=A0 =C2=A00.000000] [c0] Booting Linux on physical CPU= 0x0

I can see a delay of about 2.720s after Free= d 264kB init memory and before the dom0 kernel load.please see the below lo= g
[2020-03-10 14:42:22.870] (XEN) Freed 264kB init me= mory.
[2020-03-10 14:42:25.587] [ =C2=A0 =C2=A00.000000] [c0] Booting Li= nux on physical CPU 0x0

I'm not abl= e to figure out where the delay is actually coming from.Is it the time take= n for the processing of interrupts or for the kernel initialization?Is ther= e any way to reduce that delay?somebody please help me to solve this.
=


Thanks & Regards,
subhasre= e


<= br>

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--00000000000064677c05a07e1d0c-- --===============3907683924944863060== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============3907683924944863060==-- From xen-users-bounces@lists.xenproject.org Tue Mar 10 14:36:22 2020 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Tue, 10 Mar 2020 14:36:22 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jBfy8-0001gA-SX; Tue, 10 Mar 2020 14:34:52 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jBb4q-0005Dd-77 for xen-users@lists.xenproject.org; Tue, 10 Mar 2020 09:21:28 +0000 X-Inumbo-ID: 84236fee-62b0-11ea-8490-bc764e2007e4 Received: from orion.archlinux.org (unknown [88.198.91.70]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 84236fee-62b0-11ea-8490-bc764e2007e4; Tue, 10 Mar 2020 09:21:26 +0000 (UTC) Received: from orion.archlinux.org (localhost [127.0.0.1]) by orion.archlinux.org (Postfix) with ESMTP id 0841719E4F2E29 for ; Tue, 10 Mar 2020 09:21:17 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on orion.archlinux.org X-Spam-Level: X-Spam-Status: No, score=-1.7 required=5.0 tests=ALL_TRUSTED=-1,BAYES_00=-1, DMARC_FAIL_NONE=0.25,T_DMARC_POLICY_NONE=0.01,T_DMARC_TESTS_FAIL=0.01 autolearn=no autolearn_force=no version=3.4.4 X-Spam-BL-Results: Received: from localhost (dragon.archlinux.org [IPv6:2a01:4f8:13a:102a::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: ffy00) by orion.archlinux.org (Postfix) with ESMTPSA for ; Tue, 10 Mar 2020 09:21:16 +0000 (UTC) Message-ID: From: Filipe =?ISO-8859-1?Q?La=EDns?= To: xen-users@lists.xenproject.org Organization: Archlinux Date: Tue, 10 Mar 2020 09:21:18 +0000 MIME-Version: 1.0 User-Agent: Evolution 3.34.4 X-Mailman-Approved-At: Tue, 10 Mar 2020 14:34:51 +0000 Subject: [Xen-users] pygrub is broken in Python 3.8 X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0291846299366125808==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============0291846299366125808== Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-3bTMXSZFi2f4ctode6eO" --=-3bTMXSZFi2f4ctode6eO Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hey, I am packaging xen for Arch Linux. Are are on Python 3.8 and it looks like with it some issues in xen.lowlevel.xc get highlighted and the module doesn't work. When invoking pygrub: $ pygrub Traceback (most recent call last): File "/usr/bin/pygrub", line 21, in import xen.lowlevel.xc SystemError: bad call flags It looks like that in Python 3.8 the descriptor flags of methods in native modules are checked when the module is imported, as opposed to when the method is called (see [1], and it might be causing this error. I had a look at the code yesterday to see if I could spot the bad method(s) but I didn't really find anything. I did not have that much time to spend on it and I am not familiar with the code so I probably missed it. Is this a known issue? If so, is there any patch scheduled? I couldn't find anything in the repo. [1] https://bugs.python.org/msg348804=20 Thank you, Filipe La=C3=ADns --=-3bTMXSZFi2f4ctode6eO Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE0jW0leqs33gyftiw+JPGdIFqqV0FAl5nXAYACgkQ+JPGdIFq qV0//Q//TV/4CSnMe/pXd09BtZdXTbKe81e25pFVQWTO5xxg58PLVLKqQwQhVOt+ 0VuOcV7VCPQOtzGvq8Zi1TzPkAIIBKPwIDQY2hzrOyo3N71h6AKGt+RbUzW/x8ip 1isG0IBFiIHIWGFMPQZr/EkHG52M4ZxDTMI3U8dMFAwaeSblQ8G8lX60VzBo7KcX 6qcbuoafASx2xOMxTy8eExE16YiWrANe4njKd7XzDI7U6y2x/PbE+5eE+OfSjvWW GsBY/AjDgaS7FWhMeG7q5wQfm2qehcvRKQ6tbTsTZROwFJFmertr6yrOedIcJI6x d5hIHjIEXDQZGokZ0ZwzsBC1iBpoDzWURB13LBqKakbM3m9544jrG4GuJypkS5a7 hRyBaWQ21mDD6pOnqLwjtTWFM/8oqXEEGKoNCOuvOce/AaEjp5ZAF7XcecCXjRhe bUm/Ql/iri1pVwIn8FID0nLrVt58lHhTWkNFjalxDCfd7OzefKsJLKGQA2DrBFCF h77TD0phlC00q93tLG1TGOknGUDhj2AjarhxrTiCsWfgADjrCewfwtfht2Oxkr6X WwLdLGjBuNQTsv2JE/OEoB/sUPcQCc8OWVcPMC0eXQzWwouaIFeYcRyiMSMOS587 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HE1PR08MB2874 Subject: Re: [Xen-users] Xen boot time optimization X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: nd , "xen-users@lists.xenproject.org" Content-Type: multipart/mixed; boundary="===============8334344714597981371==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============8334344714597981371== Content-Language: en-US Content-Type: multipart/alternative; boundary="_000_09CAEF88443845B99806747DCF1774D2armcom_" --_000_09CAEF88443845B99806747DCF1774D2armcom_ Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 DQoNCk9uIDEwIE1hciAyMDIwLCBhdCAwODo0NiwgU3ViaGFzcmVlIFAgViA8c3ViaGFzcmVlLnB2 QHBhdGhwYXJ0bmVydGVjaC5jb208bWFpbHRvOnN1Ymhhc3JlZS5wdkBwYXRocGFydG5lcnRlY2gu Y29tPj4gd3JvdGU6DQoNClRoYW5rIHlvdSBmb3IgeW91ciByZXBseSBKdWxpZW4uSSBoYXZlIHNl 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boundary="===============8505635035128255155==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============8505635035128255155== Content-Type: multipart/alternative; boundary="00000000000013f55005a0813129" --00000000000013f55005a0813129 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable I'll try that. Thanks for your reply. Regards Subhasree On Tue, Mar 10, 2020, 8:09 PM Bertrand Marquis wrote: > > > On 10 Mar 2020, at 08:46, Subhasree P V > wrote: > > Thank you for your reply Julien.I have searched for the "earlycon" option > in my linux-dom0.but i couldn't see that option in my Kconfig file.my dom= 0 > version is 4.18.0-15-generic. > > > You need to pass earlycon=3Dxen in the linux command line, usually your > linux command line should contain at least "console=3Dhvc0 earlycon=3Dxen= =E2=80=9D and > other options depending on where your rootfs is. > > Depending on how you boot this might be possible to set in uboot > environment or in your grub configuration for example. > > Regards > Bertrand > > > Thanks & Regards, > Subhasree P V > > > On Mon, Mar 9, 2020 at 3:48 PM Julien Grall wrote: > >> >> >> On 08/03/2020 10:59, Subhasree P V wrote: >> > Hi, >> >> Hi, >> >> Please don't top post. >> >> > I just need to make sure the delay is coming from xen or linux >> > kernel.The below print is coming from*decompress_kernel* function in >> > arch/arm/boot/compressed/misc.c. >> > *DOM0: Uncompressing Linux... done, booting the kernel.* >> >> Does the same configuration works on baremetal? >> >> Another solution would be to add earlycon=3Dxen on Linux command line (I >> think this works on arm32 as well when CONFIG_SERIAL_EARLYCON=3Dy). >> >> Cheers, >> >> -- >> Julien Grall >> > > This message contains confidential information and is intended only for > the individual(s) named. If you are not the intended recipient, you are > notified that disclosing, copying, distributing or taking any action in > reliance on the contents of this mail and attached file/s is strictly > prohibited. Please notify the sender immediately and delete this e-mail > from your system. E-mail transmission cannot be guaranteed to be secured = or > error-free as information could be intercepted, corrupted, lost, destroye= d, > arrive late or incomplete, or contain viruses. The sender therefore does > not accept liability for any errors or omissions in the contents of this > message, which arise as a result of e-mail transmission. > > > --=20 This message contains confidential information and is intended only=20 for the individual(s) named. If you are not the intended recipient, you are=20 notified that disclosing, copying, distributing or taking any action in=20 reliance on the contents of this mail and attached file/s is strictly prohibited. Please notify the sender immediately and delete this e-mail=20 from your system. E-mail transmission cannot be guaranteed to be secured or=20 error-free as information could be intercepted, corrupted, lost, destroyed,=20 arrive late or incomplete, or contain viruses. The sender therefore does=20 not accept liability for any errors or omissions in the contents of this=20 message, which arise as a result of e-mail transmission. --00000000000013f55005a0813129 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I'll try that. Thanks for your reply.

Regards
Subhasree

On Tue, Mar 10, 2020, 8:09 PM Bertrand Marquis <Bertrand.Marquis@arm.com> wrote:


On 10 Mar 2020, at 08:46, Subhasree P V <subhasree.pv= @pathpartnertech.com> wrote:

Thank you for your reply Julien.I have searched for the "earlycon= " option in my linux-dom0.but i couldn't see that option in my Kco= nfig file.my dom0 version is 4.18.0-15-generic.


You need to pass earlycon=3Dxen in the linux command line, usually you= r linux command line should contain at least "console=3Dhvc0 earlycon= =3Dxen=E2=80=9D and other options depending on where your rootfs is.

Depending on how you boot this might be possible to set in uboot envir= onment or in your grub configuration for example.

Regards
Bertrand


Thanks & Regards,
Subhasree P V


On Mon, Mar 9, 2020 at 3:48 PM Julien= Grall <julien@xen.org> wrote:


On 08/03/2020 10:59, Subhasree P V wrote:
> Hi,

Hi,

Please don't top post.

> I just need to make sure the delay is coming from xen or linux
> kernel.The below print is coming from*decompress_kernel* function in <= br> > arch/arm/boot/compressed/misc.c.
> *DOM0: Uncompressing Linux... done, booting the kernel.*

Does the same configuration works on baremetal?

Another solution would be to add earlycon=3Dxen on Linux command line (I think this works on arm32 as well when CONFIG_SERIAL_EARLYCON=3Dy).

Cheers,

--
Julien Grall

This message contains confidential information and = is intended only for the individual(s) named. If you are not the intended recipient, you are notified that disclos= ing, copying, distributing or taking any action in reliance on the contents= of this mail and attached file/s is strictly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmission c= annot be guaranteed to be secured or error-free as information could be int= ercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain= viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this m= essage, which arise as a result of e-mail transmission.



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boundary="===============0709702233367535461==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============0709702233367535461== Content-Type: multipart/alternative; boundary="000000000000b364ac05a0817420" --000000000000b364ac05a0817420 Content-Type: text/plain; charset="UTF-8" Sorry for the inconvenience Julien. I have top posted by mistake.Will continue in the same thread.Thanks for your patience and help. I have used the Linux-dom0 and xen which was provided in the odroid wiki.It has support for the board.I don't think it is out of support kernel because I was able to boot Dom0 and domu in odroid-xu4.I have added bootargs in boot.ini by modifying it.but when I try to set earlycon, I couldn't see it defined anywhere in linux dom0 that I'm using currently.I have downloaded another Dom0 kernel and I was able to found earlycon in it.but not sure if it has support for odroid-xu4. Thanks & Regards Subhasree On Tue, Mar 10, 2020, 8:20 PM Julien Grall wrote: > Hi, > > Please stop top-posting... I will not spend time helping if you continue > to ignore my request. > > On 10/03/2020 08:46, Subhasree P V wrote: > > Thank you for your reply Julien.I have searched for the "earlycon" > > option in my linux-dom0.but i couldn't see that option in my Kconfig > > file.my dom0 version is 4.18.0-15-generic. > > I have looked at v4.18 and earlycon exists. How did you pass the option > to Linux? > > On a side note, why aren't you using the last stable for v4.18.x? More > importantly, why are you using an non-LTS kernel? > > It feels slightly counterproductive to try to optimize on an > out-of-support kernel. > > Cheers, > > -- > Julien Grall > -- This message contains confidential information and is intended only for the individual(s) named. If you are not the intended recipient, you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this mail and attached file/s is strictly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmission cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mail transmission. --000000000000b364ac05a0817420 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Sorry for the inconvenience Julien. I have top posted by = mistake.Will continue in the same thread.Thanks for your patience and help.=

I have used the Linux-dom0 an= d xen which was provided in the odroid wiki.It has support for the board.I = don't think it is out of support kernel because I was able to boot Dom0= and domu in odroid-xu4.I have added bootargs in boot.ini by modifying it.b= ut when I try to set earlycon, I couldn't see it defined anywhere in li= nux dom0 that I'm using currently.I have downloaded another Dom0 kernel= and I was able to found earlycon in it.but not sure if it has support for = odroid-xu4.



Thanks & Regards
Subhasree

On Tue, Mar 10, 2020, 8:20 PM Julien Grall &l= t;julien@xen.org> wrote:
Hi,

Please stop top-posting... I will not spend time helping if you continue to ignore my request.

On 10/03/2020 08:46, Subhasree P V wrote:
> Thank you for your reply Julien.I have searched for the "earlycon= "
> option in my linux-dom0.but i couldn't see that option in my Kconf= ig
> file.my dom0 version is 4.18.0-15-generic.

I have looked at v4.18 and earlycon exists. How did you pass the option to Linux?

On a side note, why aren't you using the last stable for v4.18.x? More =
importantly, why are you using an non-LTS kernel?

It feels slightly counterproductive to try to optimize on an
out-of-support kernel.

Cheers,

--
Julien Grall

This message contains confidential information and is intended only for the individual(s) named. If you are not the = intended recipient, you are notified that disclosing, copying, distributing or takin= g any action in reliance on the contents of this mail and attached file/s is stri= ctly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmis= sion cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or cont= ain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mai= l transmission.

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[54.240.197.232]) by smtp.gmail.com with ESMTPSA id v6sm3300494eds.64.2020.03.10.08.18.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 10 Mar 2020 08:18:59 -0700 (PDT) To: Subhasree P V References: <19708D3A-6A82-4619-A678-E946F4A3DC4D@arm.com> <8347172a-babd-aa9f-fafb-30bb400fcd69@xen.org> <17dbce9e-52b8-061c-12ac-fd2fce83d212@xen.org> <9ddcde67-60e1-afc1-695f-8e8aeb4aa4b6@xen.org> <32e89a8f-c5d3-851d-1039-fe144f221762@xen.org> From: Julien Grall Message-ID: <36f88db0-b9ae-daa8-eca9-5d7dc460a674@xen.org> Date: Tue, 10 Mar 2020 15:18:58 +0000 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-GB Subject: Re: [Xen-users] Xen boot time optimization X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Bertrand Marquis , xen-users@lists.xenproject.org Content-Transfer-Encoding: base64 Content-Type: text/plain; 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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=qiNHpChuYlO4rB/e6N1QvH3SRFZdLYBvQ3ic91zIERE=; b=OQ9BmAjo4djscGc6EXsrPbwr7uOAewWhmSnjU+I8uSVhzNRinPvtf8BrYAXFAKVAD0 d494a2jSx6iZzKG2iGUU7kn3352UlWba0ech13U5kBFS6XMMBItNbjx4TwOM7Rgn9Cl9 e+XHQyoRTiG2TVbNju+zrMJVwWU0aXPZ8E0ZiSO2F7k8IsraXSWnOYRPU7ZWn90S1FjM h760LBM9DVD2CrIKMXNaQoVcZyMp/DN8gOJYA/TyEHjPqslbA9vdvhzQtZiJYDHpRFGD Llb0alHf3gqT8aqVLCd9qVstb2mnqR9eiLqSJCxuJXKim2tCei6FUjsxv4QS53EVkk2s F58w== X-Gm-Message-State: ANhLgQ3Ps3EBf/bjYkJH6ltGOKhzv5+hHpKri0iAcuJmns9BCSZ9E2Ha 9hx6kJqxNUwMwaGHyEp6bZYqOjB/T9vlKBUvQZJYfZ4OFzbVqVwdHoOs99jLyrndzku23oZWSPO jSZS9rCwWDakw00KJyP8AypAwqkj4ApJA9Iu1 X-Google-Smtp-Source: ADFU+vu366dcvT+V4ETMsNmD8yofp5FF0Gse7hQcJIqka+4b5R4sspIe686XRDhmoCFMlEMMRvbE3n+gfOpcFArSxpk= X-Received: by 2002:a9d:6655:: with SMTP id q21mr16532748otm.70.1583854187946; Tue, 10 Mar 2020 08:29:47 -0700 (PDT) MIME-Version: 1.0 References: <19708D3A-6A82-4619-A678-E946F4A3DC4D@arm.com> <8347172a-babd-aa9f-fafb-30bb400fcd69@xen.org> <17dbce9e-52b8-061c-12ac-fd2fce83d212@xen.org> <9ddcde67-60e1-afc1-695f-8e8aeb4aa4b6@xen.org> <32e89a8f-c5d3-851d-1039-fe144f221762@xen.org> <36f88db0-b9ae-daa8-eca9-5d7dc460a674@xen.org> In-Reply-To: <36f88db0-b9ae-daa8-eca9-5d7dc460a674@xen.org> From: Subhasree P V Date: Tue, 10 Mar 2020 20:58:59 +0530 Message-ID: To: Julien Grall Subject: Re: [Xen-users] Xen boot time optimization X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Bertrand Marquis , xen-users@lists.xenproject.org Content-Type: multipart/mixed; boundary="===============9147786829406806901==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============9147786829406806901== Content-Type: multipart/alternative; boundary="0000000000003fb4f705a081ca95" --0000000000003fb4f705a081ca95 Content-Type: text/plain; charset="UTF-8" Thank you for the clarification. I'll look into it. Regards Subhasree On Tue, Mar 10, 2020, 8:49 PM Julien Grall wrote: > Hi > > On 10/03/2020 15:05, Subhasree P V wrote: > > Sorry for the inconvenience Julien. I have top posted by mistake.Will > > continue in the same thread.Thanks for your patience and help. > > Please read this [1]. > > > > > I have used the Linux-dom0 and xen which was provided in the odroid > > wiki.It has support for the board.I don't think it is out of support > > kernel because I was able to boot Dom0 and domu in odroid-xu4.I have > > added bootargs in boot.ini by modifying it.but when I try to set > > earlycon, I couldn't see it defined anywhere in linux dom0 that I'm > > using currently.I have downloaded another Dom0 kernel and I was able to > > found earlycon in it.but not sure if it has support for odroid-xu4. > > Booting a kernel does not mean a community will support it. > > By wiki, I guess you are referring to [2]. If so, this is a kernel > provided by the Odroid community (or a member of). > > I am afraid, I am not going to support this. For new development, my > recommendation is to use newer (or LTS) kernel as they get bug/security > fixes. > > If you want support on this specific kernel then please contact the > Odroid community. > > Cheers, > > > Thanks & Regards > > Subhasree > > [1] https://en.wikipedia.org/wiki/Posting_style#Top-posting > [2] > > https://wiki.odroid.com/odroid-xu4/application_note/software/xen_virtualization > > -- > Julien Grall > -- This message contains confidential information and is intended only for the individual(s) named. If you are not the intended recipient, you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this mail and attached file/s is strictly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmission cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mail transmission. --0000000000003fb4f705a081ca95 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Thank you for the clarification. I'll look into it.

Reg= ards
Subhasree

On Tue, Mar 10, 2020, 8:49 PM Ju= lien Grall <julien@xen.org> wro= te:
Hi

On 10/03/2020 15:05, Subhasree P V wrote:
> Sorry for the inconvenience Julien. I have top posted by mistake.Will =
> continue in the same thread.Thanks for your patience and help.

Please read this [1].

>
> I have used the Linux-dom0 and xen which was provided in the odroid > wiki.It has support for the board.I don't think it is out of suppo= rt
> kernel because I was able to boot Dom0 and domu in odroid-xu4.I have <= br> > added bootargs in boot.ini by modifying it.but when I try to set
> earlycon, I couldn't see it defined anywhere in linux dom0 that I&= #39;m
> using currently.I have downloaded another Dom0 kernel and I was able t= o
> found earlycon in it.but not sure if it has support for odroid-xu4.
Booting a kernel does not mean a community will support it.

By wiki, I guess you are referring to [2]. If so, this is a kernel
provided by the Odroid community (or a member of).

I am afraid, I am not going to support this. For new development, my
recommendation is to use newer (or LTS) kernel as they get bug/security fixes.

If you want support on this specific kernel then please contact the
Odroid community.

Cheers,

> Thanks & Regards
> Subhasree

[1] https://en.wikipedia.org/wiki/= Posting_style#Top-posting
[2]
https://wi= ki.odroid.com/odroid-xu4/application_note/software/xen_virtualization
--
Julien Grall

This message contains confidential information and is intended only for the individual(s) named. If you are not the = intended recipient, you are notified that disclosing, copying, distributing or takin= g any action in reliance on the contents of this mail and attached file/s is stri= ctly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmis= sion cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or cont= ain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mai= l transmission.

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Tue, 10 Mar 2020 16:24:07 +0000 (UTC) Date: Tue, 10 Mar 2020 16:23:57 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=default; t=1583857446; bh=oGYov8rLmMJbA4ZeK9RyxSKQXe6MsZg/RKhzc3LPFeo=; h=Date:To:From:Reply-To:Subject:In-Reply-To:References:Feedback-ID: From; b=Lzc6PoiMCZeMbVSxLufUMhtKIscrAMV3aYypIqTAojdLVToy5DR+xDLbBPrtDI9Og 6lwsYquPoxV0uZyDQGaPNpsx0yNX1D5yzSYtB6rXI8ULp6JTM0jBeHGXvePCcOeCnY aUU409Cll+xXZskStPxbM6KqmN5R2vhEchF2c1+M= To: "julien@xen.org" , "subhasree.pv@pathpartnertech.com" , "Bertrand.Marquis@arm.com" , "xen-users@lists.xenproject.org" From: potsaid2kettle Message-ID: In-Reply-To: <2e397ace-08f5-99d1-ce0c-cbe89057a04e@xen.org> References: <2e397ace-08f5-99d1-ce0c-cbe89057a04e@xen.org> Feedback-ID: ttknJYPO2NwmfoRRSYVzcMUk4vEIO-Y2mwdf3i6MgFsh-zynMVw2dSLSZ6FRUECl6gQ3ZysR4nc55NBNA3dp9g==:Ext:ProtonMail MIME-Version: 1.0 X-Spam-Status: No, score=-1.2 required=7.0 tests=ALL_TRUSTED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM shortcircuit=no autolearn=disabled version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on mail.protonmail.ch Subject: Re: [Xen-users] Xen boot time optimization X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Reply-To: potsaid2kettle Content-Type: text/plain; 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Tue, 10 Mar 2020 17:02:40 +0000 X-Inumbo-ID: ec4fe706-62f0-11ea-adf4-12813bfff9fa Received: from mail.xenproject.org (unknown [104.130.215.37]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id ec4fe706-62f0-11ea-adf4-12813bfff9fa; Tue, 10 Mar 2020 17:02:29 +0000 (UTC) Received: from xenbits.xenproject.org ([104.239.192.120]) by mail.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jBiGr-0004P7-Fk; Tue, 10 Mar 2020 17:02:21 +0000 Received: from iwj by xenbits.xenproject.org with local (Exim 4.89) (envelope-from ) id 1jBiGr-0008Uj-Ds; Tue, 10 Mar 2020 17:02:21 +0000 Content-Type: multipart/mixed; boundary="=separator"; charset="utf-8" Content-Transfer-Encoding: binary MIME-Version: 1.0 X-Mailer: MIME-tools 5.508 (Entity 5.508) To: xen-announce@lists.xen.org, xen-devel@lists.xen.org, xen-users@lists.xen.org, oss-security@lists.openwall.com From: Xen.org security team Message-Id: Date: Tue, 10 Mar 2020 17:02:21 +0000 Subject: [Xen-users] Xen Security Advisory 315 v1 (CVE-2020-0551) - Load Value Injection (LVI) speculative side channel X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: "Xen.org security team" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --=separator Content-Type: text/plain; charset="utf-8" Content-Disposition: inline Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Xen Security Advisory CVE-2020-0551 / XSA-315 Load Value Injection (LVI) speculative side channel ISSUE DESCRIPTION ================= This is very closely related to the Microarchitectural Data Sampling vulnerabilities from May 2019. Please see https://xenbits.xen.org/xsa/advisory-297.html for details about MDS. A new way of using the micro-architectural details behind MDS has been identified. Instead of simply trying to sample data from a different privilege context, an attacker can arrange for poisoned data to be consumed (speculatively) in a victim context. This expands the range of tools by which an attacker can manipulate speculation in the victim context to leak data via a side channel. For more details, see: https://software.intel.com/security-software-guidance/insights/deep-dive-load-value-injection IMPACT ====== An attacker, which could include a malicious untrusted user process on a trusted guest, or an untrusted guest, can potentially cause a victim context (process, or guest, or guest kernel, or hypervisor) to leak secrets available to it. VULNERABLE SYSTEMS ================== Systems running all versions of Xen are affected. Only x86 processors are vulnerable. ARM processors are not believed to be vulnerable. Only Intel based processors are potentially affected. Processors from other manufacturers (e.g. AMD) are not believed to be vulnerable. Please consult the Intel Security Advisory for details on the affected processors. MITIGATION ========== Xen does not support the use of SGX (Software Guard Extensions). Outside of the SGX enclave case, the attacker has a limited ability to control the paging behaviour in the victim context. Therefore, it is not believed that there is a practical way to attack a victim context which is not an SGX enclave. Furthermore, preexisting work (including fixes for MDS, SMAP hardening for user pointers) and in-progress work (core scheduling for SMT systems) all raise the bar further for an attacker. There are no known LVI gadgets within Xen. As a result, we have decided not to make any changes to default configurations of Xen. Systems with untrusted PV guests, and whose host administrators are worried about potential LVI gadgets, might wish to consider changing the VM to be HVM instead, or make use of PV-Shim, to limit the scope of a potential attack. NOTE REGARDING PAGE MODIFICATION LOGGING ======================================== Included for completeness, rather than due to being a realistic concern: On Intel Broadwell and later systems, Xen uses Page Modification Logging to accelerate logdirty tracking on migration. The use of this does put the guest kernel at a higher risk of being attacked, due to the use of EPT Access/Dirty bits used behind the scenes. Userspace shouldn't be able to influence when a migration occurs, but booting Xen with `ept=no-ad` will mitigate this concern by causing Xen to fall back to software logdirty tracking. RESOLUTION ========== There is no complete resolution available. In general, administrators of Xen systems are recommended to take no action in response to this vulnerability. If potential LVI gadgets are discovered in Xen, they will be addressed on a case by case basis, in the same way as Spectre v1 hardening. NOTE REGARDING LACK OF EMBARGO ============================== Despite an attempt to organise predisclosure, the discoverers ultimately did not authorise a predisclosure. -----BEGIN PGP SIGNATURE----- iQFABAEBCAAqFiEEI+MiLBRfRHX6gGCng/4UyVfoK9kFAl5nyAsMHHBncEB4ZW4u b3JnAAoJEIP+FMlX6CvZposH/0ZH/AXAFND2aBRdxKoWZtWyAaxrI0NPRz/H+AEZ CKtoV7E0HmwCSucxJOCe95yv/shKYSqoG4mMkxT+6v1gH7Hv/2dbl12G0Nlo5lyq LSkbvyLwCa1ceL6xa5qanx0GkJL+tiOP3EPDBKpO5Lqok5WS/uXQRwIequArPLNi S4xmE0oKv/yOXRRe2BhnAp6+lY/U6kuMxVNEXF5/6p3/31tnZhabkLJp5N2yl5Ts OEVjwnzEYRgi5npes1TW6PkPA5p0L4rq/oiVPvTqJsNWRkCmHvR2uRXDc1cI/9gs wnam4wTVF2tOXZ8/+n+XvUVUPeLAqzncv2D8+RWkX8pKu18= =DFQP -----END PGP SIGNATURE----- --=separator Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --=separator-- From xen-users-bounces@lists.xenproject.org Tue Mar 10 22:51:14 2020 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Tue, 10 Mar 2020 22:51:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jBnhC-0001eR-QV; 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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=9/PlKZTjEIUdLtKJBmz0jGIGiAa4AbxvHr+lG47bBgA=; b=YUHwzj4q3FI60a4gLiLWgpd+l8tErSguDDTa9eF1AuqWHGJ4Il6drA2Aeq0HpBFY4o 1PMiMjAC1P4z18shtHx6zqFMYKle6Q9OPFY1vh7iZQZn65hYzvAIjWK1+QBQyIrEWsL4 ZJ+18msJvvbmQlGwmJS5pDIhxw3+HB9MoIUGQrDUJgUvy5n6DntgVo74V5xm+4jEZjtU ppGTE92eMXPgcvgfrg3LBJccsJECDUeAzNMq4VwGH//xfpgwY16pQVPmiYDynBnuFFQC QJ0QNkznaXdUhqjg0GWGDV2ZkfvEdqS/reKBF32MN8Hstlge4lkFbmkqWzS9/fFGuP0Y lAdQ== X-Gm-Message-State: ANhLgQ2ZHRz9/L0r/ysJOVaAt0MnOYgL8/FJI1PUcCdBEIZeU6JZeEnO sSXKKoLh7ShEp48HttkquzuW8JdQHHDT1SuMGXg9J+ipi+IqjTST2XMuBjEUIRbD2VogQ+ndUJ/ uRkBvcrJJpUx4imGNh+sKbsWAm6DiCZ+NxpqRI4yTLt56 X-Google-Smtp-Source: ADFU+vtC31hWpeqSxcIabl/n0oUeM+klNR425xlr5RX7pakgz98wjpUcarfafa5+1vN/MMnBZWBsYUbHi+Ij1I9AAYs= X-Received: by 2002:a9d:3b6:: with SMTP id f51mr9990498otf.255.1584076306086; Thu, 12 Mar 2020 22:11:46 -0700 (PDT) MIME-Version: 1.0 References: <19708D3A-6A82-4619-A678-E946F4A3DC4D@arm.com> <8347172a-babd-aa9f-fafb-30bb400fcd69@xen.org> <17dbce9e-52b8-061c-12ac-fd2fce83d212@xen.org> <9ddcde67-60e1-afc1-695f-8e8aeb4aa4b6@xen.org> <32e89a8f-c5d3-851d-1039-fe144f221762@xen.org> <36f88db0-b9ae-daa8-eca9-5d7dc460a674@xen.org> In-Reply-To: From: Subhasree P V Date: Fri, 13 Mar 2020 10:41:34 +0530 Message-ID: To: Julien Grall Subject: Re: [Xen-users] Xen boot time optimization X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: xen-users@lists.xenproject.org Content-Type: multipart/mixed; boundary="===============4310382760299450808==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============4310382760299450808== Content-Type: multipart/alternative; boundary="000000000000858f3905a0b58148" --000000000000858f3905a0b58148 Content-Type: text/plain; charset="UTF-8" Hi, I have checked if the delay is coming from kernel initialization.But I can see that there is a 1.9s delay between Freed 264kB init memory and *gic_update_one_lr *.When i traced the function call I can see that entry point is from *DEFINE_TRAP_ENTRY_NOIRQ *in entry.S,and it's linked to do_trap_irq.S.So i'm afraid that it's coming from xen itself.Any help on this is appreciated. Thanks & Regards subhasree On Tue, Mar 10, 2020 at 8:58 PM Subhasree P V < subhasree.pv@pathpartnertech.com> wrote: > Thank you for the clarification. I'll look into it. > > > Regards > Subhasree > > On Tue, Mar 10, 2020, 8:49 PM Julien Grall wrote: > >> Hi >> >> On 10/03/2020 15:05, Subhasree P V wrote: >> > Sorry for the inconvenience Julien. I have top posted by mistake.Will >> > continue in the same thread.Thanks for your patience and help. >> >> Please read this [1]. >> >> > >> > I have used the Linux-dom0 and xen which was provided in the odroid >> > wiki.It has support for the board.I don't think it is out of support >> > kernel because I was able to boot Dom0 and domu in odroid-xu4.I have >> > added bootargs in boot.ini by modifying it.but when I try to set >> > earlycon, I couldn't see it defined anywhere in linux dom0 that I'm >> > using currently.I have downloaded another Dom0 kernel and I was able to >> > found earlycon in it.but not sure if it has support for odroid-xu4. >> >> Booting a kernel does not mean a community will support it. >> >> By wiki, I guess you are referring to [2]. If so, this is a kernel >> provided by the Odroid community (or a member of). >> >> I am afraid, I am not going to support this. For new development, my >> recommendation is to use newer (or LTS) kernel as they get bug/security >> fixes. >> >> If you want support on this specific kernel then please contact the >> Odroid community. >> >> Cheers, >> >> > Thanks & Regards >> > Subhasree >> >> [1] https://en.wikipedia.org/wiki/Posting_style#Top-posting >> [2] >> >> https://wiki.odroid.com/odroid-xu4/application_note/software/xen_virtualization >> >> -- >> Julien Grall >> > -- This message contains confidential information and is intended only for the individual(s) named. If you are not the intended recipient, you are notified that disclosing, copying, distributing or taking any action in reliance on the contents of this mail and attached file/s is strictly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmission cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mail transmission. --000000000000858f3905a0b58148 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi,
I have checked if the delay is coming f= rom kernel initialization.But I can see that there is a 1.9s delay between = Freed 264kB init memory and gic_update_one_lr .When i traced the fun= ction call I can see that entry point is from DEFINE_TRAP_ENTRY_NOIRQ in entry.S,and it's linked to do_= trap_irq.S.So i'm afraid that it's coming from xen itself.Any h= elp on this is appreciated.

Thanks & Regar= ds
subhasree

On Tue, Mar 10, 2020 at 8:58 PM Subhasree P= V <subhasree.pv@pat= hpartnertech.com> wrote:
Thank you for the clarification. I'll= look into it.


Regards
Subhasree

On Tue, Mar 10, = 2020, 8:49 PM Julien Grall <julien@xen.org> wrote:
Hi

On 10/03/2020 15:05, Subhasree P V wrote:
> Sorry for the inconvenience Julien. I have top posted by mistake.Will =
> continue in the same thread.Thanks for your patience and help.

Please read this [1].

>
> I have used the Linux-dom0 and xen which was provided in the odroid > wiki.It has support for the board.I don't think it is out of suppo= rt
> kernel because I was able to boot Dom0 and domu in odroid-xu4.I have <= br> > added bootargs in boot.ini by modifying it.but when I try to set
> earlycon, I couldn't see it defined anywhere in linux dom0 that I&= #39;m
> using currently.I have downloaded another Dom0 kernel and I was able t= o
> found earlycon in it.but not sure if it has support for odroid-xu4.
Booting a kernel does not mean a community will support it.

By wiki, I guess you are referring to [2]. If so, this is a kernel
provided by the Odroid community (or a member of).

I am afraid, I am not going to support this. For new development, my
recommendation is to use newer (or LTS) kernel as they get bug/security fixes.

If you want support on this specific kernel then please contact the
Odroid community.

Cheers,

> Thanks & Regards
> Subhasree

[1] https://en.wikipedia.org/wiki/= Posting_style#Top-posting
[2]
https://wi= ki.odroid.com/odroid-xu4/application_note/software/xen_virtualization
--
Julien Grall

This message contains confidential information and is intended only for the individual(s) named. If you are not the = intended recipient, you are notified that disclosing, copying, distributing or takin= g any action in reliance on the contents of this mail and attached file/s is stri= ctly prohibited. Please notify the sender immediately and delete this e-mail from your system. E-mail transmis= sion cannot be guaranteed to be secured or error-free as information could be intercepted, corrupted, lost, destroyed, arrive late or incomplete, or cont= ain viruses. The sender therefore does not accept liability for any errors or omissions in the contents of this message, which arise as a result of e-mai= l transmission.

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Content-Type: text/plain; charset="UTF-8" Felipe, thanks for posting your analysis and the link to the python bug. The bug came up recently for me on Focal 20.04 with xen-4.12.2 when Ubuntu went to python3.8. I've come up with an attached patch that works in python3.8 on Ubuntu 20.04. patch is also pasted here: https://paste.debian.net/plain/1134847 now object imports work in pygrub: import xen.lowlevel.xc cheers, PryMar56 ##xen-packaging on Freenode IRC --00000000000009494e05a0c2a6ec Content-Type: text/plain; charset="US-ASCII"; name="misc-0503-lowlevel-xc-fix-function-calls-py38.diff" Content-Disposition: attachment; filename="misc-0503-lowlevel-xc-fix-function-calls-py38.diff" Content-Transfer-Encoding: base64 X-Attachment-Id: file0 RnJvbSAwZDI3OTFiMDA3NDM2ZjgzY2M4Y2I5MjJhY2IxODQ5YTNmZjMxZjNhIE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQpGcm9tOiBBbnRob255IFBFUkFSRCA8YW50aG9ueS5wZXJhcmRAY2l0cml4 LmNvbT4KRGF0ZTogRnJpLCAxNSBOb3YgMjAxOSAxNjoxNTozMiArMDAwMApTdWJqZWN0OiBbUEFU Q0hdIGxvd2xldmVsL3hjOiBGaXggZnVuY3Rpb24gY2FsbHMgZm9yIHB5dGhvbiAzLjgKCmh0dHBz Oi8vYnVncy5weXRob24ub3JnL21zZzM0ODgwNAoKU2lnbmVkLW9mZi1ieTogQW50aG9ueSBQRVJB UkQgPGFudGhvbnkucGVyYXJkQGNpdHJpeC5jb20+Ci0tLQoKLS0tIGEvdG9vbHMvcHl0aG9uL3hl bi9sb3dsZXZlbC94Yy94Yy5jCTIwMjAtMDMtMTMgMTI6MjQ6NTguMDAwMDAwMDAwIC0wNzAwCisr KyBiL3Rvb2xzL3B5dGhvbi94ZW4vbG93bGV2ZWwveGMveGMuYwkyMDIwLTAzLTEzIDEyOjQzOjE2 LjA0Mjg1ODg3MiAtMDcwMApAQCAtMjE3NCw3ICsyMTc0LDcgQEAKIAogICAgIHsgImdudHRhYl9o dm1fc2VlZCIsCiAgICAgICAoUHlDRnVuY3Rpb24pcHl4Y19nbnR0YWJfaHZtX3NlZWQsCi0gICAg ICBNRVRIX0tFWVdPUkRTLCAiXG4iCisgICAgICBNRVRIX1ZBUkFSR1MgfCBNRVRIX0tFWVdPUkRT LCAiXG4iCiAgICAgICAiSW5pdGlhbGlzZSBIVk0gZ3Vlc3QgZ3JhbnQgdGFibGUuXG4iCiAgICAg ICAiIGRvbSAgICAgW2ludF06ICAgICAgSWRlbnRpZmllciBvZiBkb21haW4gdG8gYnVpbGQgaW50 by5cbiIKICAgICAgICIgY29uc29sZV9nbWZuIFtpbnRdOiBcbiIKQEAgLTIyNDMsNyArMjI0Myw3 IEBACiAKICAgICB7ICJzY2hlZF9jcmVkaXRfZG9tYWluX3NldCIsCiAgICAgICAoUHlDRnVuY3Rp b24pcHl4Y19zY2hlZF9jcmVkaXRfZG9tYWluX3NldCwKLSAgICAgIE1FVEhfS0VZV09SRFMsICJc biIKKyAgICAgIE1FVEhfVkFSQVJHUyB8IE1FVEhfS0VZV09SRFMsICJcbiIKICAgICAgICJTZXQg dGhlIHNjaGVkdWxpbmcgcGFyYW1ldGVycyBmb3IgYSBkb21haW4gd2hlbiBydW5uaW5nIHdpdGgg dGhlXG4iCiAgICAgICAiU01QIGNyZWRpdCBzY2hlZHVsZXIuXG4iCiAgICAgICAiIGRvbWlkICAg ICBbaW50XTogICBkb21haW4gaWQgdG8gc2V0XG4iCkBAIC0yMjYxLDcgKzIyNjEsNyBAQAogCiAg ICAgeyAic2NoZWRfY3JlZGl0Ml9kb21haW5fc2V0IiwKICAgICAgIChQeUNGdW5jdGlvbilweXhj X3NjaGVkX2NyZWRpdDJfZG9tYWluX3NldCwKLSAgICAgIE1FVEhfS0VZV09SRFMsICJcbiIKKyAg ICAgIE1FVEhfVkFSQVJHUyB8IE1FVEhfS0VZV09SRFMsICJcbiIKICAgICAgICJTZXQgdGhlIHNj aGVkdWxpbmcgcGFyYW1ldGVycyBmb3IgYSBkb21haW4gd2hlbiBydW5uaW5nIHdpdGggdGhlXG4i CiAgICAgICAiU01QIGNyZWRpdDIgc2NoZWR1bGVyLlxuIgogICAgICAgIiBkb21pZCAgICAgW2lu dF06ICAgZG9tYWluIGlkIHRvIHNldFxuIgpAQCAtMjU4NiwyMSArMjU4NiwyMSBAQAogCiAgICAg eyAiZmxhc2tfY29udGV4dF90b19zaWQiLAogICAgICAgKFB5Q0Z1bmN0aW9uKXB5Zmxhc2tfY29u dGV4dF90b19zaWQsCi0gICAgICBNRVRIX0tFWVdPUkRTLCAiXG4iCisgICAgICBNRVRIX1ZBUkFS R1MgfCBNRVRIX0tFWVdPUkRTLCAiXG4iCiAgICAgICAiQ29udmVydCBhIGNvbnRleHQgc3RyaW5n IHRvIGEgZHluYW1pYyBTSUQuXG4iCiAgICAgICAiIGNvbnRleHQgW3N0cl06IFN0cmluZyBzcGVj aWZ5aW5nIGNvbnRleHQgdG8gYmUgY29udmVydGVkXG4iCiAgICAgICAiUmV0dXJuczogW2ludF06 IE51bWVyaWMgU0lEIG9uIHN1Y2Nlc3M7IC0xIG9uIGVycm9yLlxuIiB9LAogCiAgICAgeyAiZmxh c2tfc2lkX3RvX2NvbnRleHQiLAogICAgICAgKFB5Q0Z1bmN0aW9uKXB5Zmxhc2tfc2lkX3RvX2Nv bnRleHQsCi0gICAgICBNRVRIX0tFWVdPUkRTLCAiXG4iCisgICAgICBNRVRIX1ZBUkFSR1MgfCBN RVRIX0tFWVdPUkRTLCAiXG4iCiAgICAgICAiQ29udmVydCBhIGR5bmFtaWMgU0lEIHRvIGNvbnRl eHQgc3RyaW5nLlxuIgogICAgICAgIiBjb250ZXh0IFtpbnRdOiBTSUQgdG8gYmUgY29udmVydGVk XG4iCiAgICAgICAiUmV0dXJuczogW3N0cl06IE51bWVyaWMgU0lEIG9uIHN1Y2Nlc3M7IC0xIG9u IGVycm9yLlxuIiB9LAogCiAgICAgeyAiZmxhc2tfbG9hZCIsCiAgICAgICAoUHlDRnVuY3Rpb24p cHlmbGFza19sb2FkLAotICAgICAgTUVUSF9LRVlXT1JEUywgIlxuIgorICAgICAgTUVUSF9WQVJB UkdTIHwgTUVUSF9LRVlXT1JEUywgIlxuIgogICAgICAgIkxvYWRzIGEgcG9saWN5IGludG8gdGhl IGh5cGVydmlzb3IuXG4iCiAgICAgICAiIHBvbGljeSBbc3RyXTogcG9saWN5IHRvIGJlIGxvYWRc biIKICAgICAgICJSZXR1cm5zOiBbaW50XTogMCBvbiBzdWNjZXNzOyAtMSBvbiBmYWlsdXJlLlxu IiB9LCAKQEAgLTI2MTMsMTQgKzI2MTMsMTQgQEAKIAogICAgIHsgImZsYXNrX3NldGVuZm9yY2Ui LAogICAgICAgKFB5Q0Z1bmN0aW9uKXB5Zmxhc2tfc2V0ZW5mb3JjZSwKLSAgICAgIE1FVEhfS0VZ V09SRFMsICJcbiIKKyAgICAgIE1FVEhfVkFSQVJHUyB8IE1FVEhfS0VZV09SRFMsICJcbiIKICAg ICAgICJNb2RpZmllcyB0aGUgY3VycmVudCBtb2RlIGZvciB0aGUgRmxhc2sgWFNNIG1vZHVsZS5c biIKICAgICAgICIgbW9kZSBbaW50XTogbW9kZSB0byBjaGFuZ2UgdG9cbiIKICAgICAgICJSZXR1 cm5zOiBbaW50XTogMCBvbiBzdWNjZXNzOyAtMSBvbiBmYWlsdXJlLlxuIiB9LCAKIAogICAgIHsg ImZsYXNrX2FjY2VzcyIsCiAgICAgICAoUHlDRnVuY3Rpb24pcHlmbGFza19hY2Nlc3MsCi0gICAg ICBNRVRIX0tFWVdPUkRTLCAiXG4iCisgICAgICBNRVRIX1ZBUkFSR1MgfCBNRVRIX0tFWVdPUkRT LCAiXG4iCiAgICAgICAiUmV0dXJucyB3aGV0aGVyIGEgc291cmNlIGNvbnRleHQgaGFzIGFjY2Vz cyB0byB0YXJnZXQgY29udGV4dCBiYXNlZCBvbiBcCiAgICAgICAgY2xhc3MgYW5kIHBlcm1pc3Np b25zIHJlcXVlc3RlZC5cbiIKICAgICAgICIgc2NvbiBbc3RyXTogc291cmNlIGNvbnRleHRcbiIK --00000000000009494e05a0c2a6ec Content-Type: text/plain; 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Thu, 12 Mar 2020 22:23:41 -0700 (PDT) MIME-Version: 1.0 From: gopika bg Date: Fri, 13 Mar 2020 10:53:30 +0530 Message-ID: To: xen-users@lists.xenproject.org X-Mailman-Approved-At: Fri, 13 Mar 2020 20:55:10 +0000 Subject: [Xen-users] XEN 4.6-Delay Loading Domains X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0776196890920194252==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============0776196890920194252== Content-Type: multipart/alternative; boundary="00000000000027bc4005a0b5ac90" --00000000000027bc4005a0b5ac90 Content-Type: text/plain; charset="UTF-8" Hi, I'm using xen 4.6 version as PV hypervisor. The boot log has an unexpected delay of 4 sec before loading Domains. Logs are attached below. Could you please provide some patches to reduce this delay? **** LOADING DOMAIN 0 **** [2020-03-13 09:53:18.797] (XEN) I/O virtualisation disabled [2020-03-13 09:53:18.802] (XEN) *** LOADING DOMAIN 0 *** [2020-03-13 09:53:18.802] (XEN) Loading kernel from boot module @ 0000000060000000 [2020-03-13 09:53:18.808] (XEN) Allocating 1:1 mappings totalling 1024MB for dom0: [2020-03-13 09:53:19.578] (XEN) BANK[0] 0x00000070000000-0x000000b0000000 (1024MB) [2020-03-13 09:53:19.578] (XEN) Grant table range: 0x000000be800000-0x000000be861000 [2020-03-13 09:53:19.624] (XEN) Loading zImage from 0000000060000000 to 0000000077c00000-0000000077f08f60 [2020-03-13 09:53:19.649] (XEN) Allocating PPI 16 for event channel interrupt [2020-03-13 09:53:19.649] (XEN) Loading dom0 DTB to 0x0000000078000000-0x000000007800c2f0 [2020-03-13 09:53:19.654] (XEN) Scrubbing Free RAM on 1 nodes using 8 CPUs [2020-03-13 09:53:19.915] (XEN) ..done. [2020-03-13 09:53:20.168] (XEN) Initial low memory virq threshold set at 0x4000 pages. [2020-03-13 09:53:20.174] (XEN) Std. Loglevel: All [2020-03-13 09:53:20.174] (XEN) Guest Loglevel: All *[2020-03-13 09:53:20.174] (XEN) Freed 264kB init memory.[2020-03-13 09:53:24.274] [ 0.000000] [c0] Booting Linux on physical CPU 0x0* **** LOADING DOMAIN U **** [2020-03-13 10:31:58.960] domainbuilder: detail: domain builder memory footprint [2020-03-13 10:31:58.965] domainbuilder: detail: allocated [2020-03-13 10:31:58.971] domainbuilder: detail: malloc : 1626 kB [2020-03-13 10:31:58.977] domainbuilder: detail: anon mmap : 0 bytes [2020-03-13 10:31:58.982] domainbuilder: detail: mapped [2020-03-13 10:31:58.982] domainbuilder: detail: file mmap : 4136 kB [2020-03-13 10:31:58.988] domainbuilder: detail: domU mmap : 4144 kB [2020-03-13 10:31:58.993] domainbuilder: detail: vcpu_arm32: called [2020-03-13 10:31:58.999] domainbuilder: detail: Initial state CPSR 0x1d3 PC 0x40008000 [2020-03-13 10:31:59.024] domainbuilder: detail: launch_vm: called, ctxt=0xb6f86004 [2020-03-13 10:31:59.024] domainbuilder: detail: xc_dom_gnttab_hvm_seed: called, pfn=0x38000 *[2020-03-13 10:31:59.036] domainbuilder: detail: xc_dom_release: called[2020-03-13 10:32:02.223] [ 0.000000] Booting Linux on physical CPU 0x0* *Thanks in advance,* *Gopika BG* --00000000000027bc4005a0b5ac90 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi,
I'm using xen 4.6 version as PV hyp= ervisor.
The boot log has an unexpected delay of 4 sec before loa= ding Domains.
Logs are attached below.
Could you pl= ease provide some patches to reduce this delay?

*** LOADING DOMAIN 0 ***=
[2020-03-13 09:53:18.797] (XEN) I/O virtualisation di= sabled
[2020-03-13 09:53:18.802] (XEN) *** LOADING DOMAIN 0 ***
[2020= -03-13 09:53:18.802] (XEN) Loading kernel from boot module @ 00000000600000= 00
[2020-03-13 09:53:18.808] (XEN) Allocating 1:1 mappings totalling 102= 4MB for dom0:
[2020-03-13 09:53:19.578] (XEN) BANK[0] 0x00000070000000-0= x000000b0000000 (1024MB)
[2020-03-13 09:53:19.578] (XEN) Grant table ran= ge: 0x000000be800000-0x000000be861000
[2020-03-13 09:53:19.624] (XEN) Lo= ading zImage from 0000000060000000 to 0000000077c00000-0000000077f08f60
= [2020-03-13 09:53:19.649] (XEN) Allocating PPI 16 for event channel interru= pt
[2020-03-13 09:53:19.649] (XEN) Loading dom0 DTB to 0x000000007800000= 0-0x000000007800c2f0
[2020-03-13 09:53:19.654] (XEN) Scrubbing Free RAM = on 1 nodes using 8 CPUs
[2020-03-13 09:53:19.915] (XEN) ..done.
[2020= -03-13 09:53:20.168] (XEN) Initial low memory virq threshold set at 0x4000 = pages.
[2020-03-13 09:53:20.174] (XEN) Std. Loglevel: All
[2020-03-13= 09:53:20.174] (XEN) Guest Loglevel: All
[2020-03-13 09:53:20.174] (XEN) Freed 264kB init memory.
[2020= -03-13 09:53:24.274] [ =C2=A0 =C2=A00.000000] [c0] Booting Linux on physica= l CPU 0x0

*** LOADING DOMAIN U ***=
[2020-03-13 10:31:58.960] domainbuilder: detail: = domain builder memory footprint
[2020-03-13 10:31:58.965] domainbuilder:= detail: =C2=A0 =C2=A0allocated
[2020-03-13 10:31:58.971] domainbuilder:= detail: =C2=A0 =C2=A0 =C2=A0 malloc =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2= =A0 : 1626 kB
[2020-03-13 10:31:58.977] domainbuilder: detail: =C2=A0 = =C2=A0 =C2=A0 anon mmap =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0: 0 bytes
[202= 0-03-13 10:31:58.982] domainbuilder: detail: =C2=A0 =C2=A0mapped
[2020-0= 3-13 10:31:58.982] domainbuilder: detail: =C2=A0 =C2=A0 =C2=A0 file mmap = =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0: 4136 kB
[2020-03-13 10:31:58.988] do= mainbuilder: detail: =C2=A0 =C2=A0 =C2=A0 domU mmap =C2=A0 =C2=A0 =C2=A0 = =C2=A0 =C2=A0: 4144 kB
[2020-03-13 10:31:58.993] domainbuilder: detail: = vcpu_arm32: called
[2020-03-13 10:31:58.999] domainbuilder: detail: Init= ial state CPSR 0x1d3 PC 0x40008000
[2020-03-13 10:31:59.024] domainbuild= er: detail: launch_vm: called, ctxt=3D0xb6f86004
[2020-03-13 10:31:59.02= 4] domainbuilder: detail: xc_dom_gnttab_hvm_seed: called, pfn=3D0x38000
= [2020-03-13 10:31:59.036] domainbu= ilder: detail: xc_dom_release: called
[2020-03-13 10:32:02.223] [ =C2=A0= =C2=A00.000000] Booting Linux on physical CPU 0x0

=

Thanks in adv= ance,
Gopika BG
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eGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3Rp bmZvL3hlbi11c2Vycw== From xen-users-bounces@lists.xenproject.org Wed Mar 18 15:52:02 2020 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Wed, 18 Mar 2020 15:52:02 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jEaxj-0005x5-On; Wed, 18 Mar 2020 15:50:31 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jEaxi-0005x0-39 for xen-users@lists.xenproject.org; Wed, 18 Mar 2020 15:50:30 +0000 X-Inumbo-ID: 2e8ea482-6930-11ea-92cf-bc764e2007e4 Received: from mail.linuxsolutions.fi (unknown [185.189.149.168]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 2e8ea482-6930-11ea-92cf-bc764e2007e4; Wed, 18 Mar 2020 15:50:25 +0000 (UTC) Received: from hemma.linuxsolutions.fi (81-197-86-206.elisa-laajakaista.fi [81.197.86.206]) by mail.linuxsolutions.fi (Postfix) with ESMTPSA id CCFAB9FD73; Wed, 18 Mar 2020 17:32:32 +0200 (EET) To: Hans van Kranenburg , xen-users@lists.xenproject.org References: <5a491a85-47e8-2a44-50b0-427b3df07b4a@linuxsolutions.fi> <9e1a8468-0fea-4da0-d9e0-530bac9f444f@knorrie.org> From: =?UTF-8?Q?Johnny_Str=c3=b6m?= Message-ID: Date: Wed, 18 Mar 2020 17:32:31 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <9e1a8468-0fea-4da0-d9e0-530bac9f444f@knorrie.org> Content-Language: en-US Subject: Re: [Xen-users] Domu windows 2012 crash. 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crash. X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?Q?kim_St=c3=a5hl?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" T24gMTgvMDMvMjAyMCAxNTozMiwgSm9obm55IFN0csO2bSB3cm90ZToKPiBPbiAzLzE0LzIwIDI6 NTQgUE0sIEhhbnMgdmFuIEtyYW5lbmJ1cmcgd3JvdGU6Cj4+IEhpIEpvaG5ueSwKPj4KPj4gT24g Mi8yMC8yMCAxMDoxMCBBTSwgam9obm55IFN0cm9tIHdyb3RlOgo+Pj4gQWZ0ZXIgdGhlIGxhdGVz dCB1cGRhdGVzL3NlY3VyaXR5IHVwZGF0ZXMgZm9yIGRlYmlhbiA5IGFuZCBkZWJpYW4gMTAsCj4+ PiBzbyB3aWxsIHdpbmRvd3MgMjAxMiBjcmFzaCBpZiBtb3JlIHRoYW4gNDA5NiBtZW1vcnkgaXMg YXZhaWxhYmxlIHRvCj4+PiBkb211Lgo+PiBJIGFtIGFibGUgdG8gcmVwcm9kdWNlIHRoaXMgd2l0 aCBhIFdpbmRvd3Mgc2VydmVyIGVzc2VudGlhbHMgMjAxOSBIVk0KPj4gZG9tVS4KPj4KPj4gQW4g ZXhhbXBsZSBmcm9tIHhsIGRtZXNnOgo+Pgo+PiAoWEVOKSBGYWlsZWQgdG8gc2hhdHRlciBnZm4g MTA1MjQ1OiAtMTIKPj4gKFhFTikgZDc1djEgRVBUIHZpb2xhdGlvbiAweDE5YyAoLS14L3J3LSkg Z3BhIDB4MDAwMDAxMDUyNDU3NjAgbWZuCj4+IDB4Mjg1MjQ1IHR5cGUgMAo+PiAoWEVOKSBkNzV2 MSBXYWxraW5nIEVQVCB0YWJsZXMgZm9yIEdGTiAxMDUyNDU6Cj4+IChYRU4pIGQ3NXYxwqAgZXB0 ZSA5YzAwMDAwNDEwNWY5MDA3Cj4+IChYRU4pIGQ3NXYxwqAgZXB0ZSA5YzAwMDAwMjgwMDAwMGYz Cj4+IChYRU4pIGQ3NXYxwqAgLS0tIEdMQSAweDdmZjk4YjQwZDc2MAo+PiAoWEVOKSBkb21haW5f Y3Jhc2ggY2FsbGVkIGZyb20gdm14LmM6MzQ5Nwo+PiAoWEVOKSBEb21haW4gNzUgKHZjcHUjMSkg Y3Jhc2hlZCBvbiBjcHUjNDoKPj4gKFhFTikgLS0tLVsgWGVuLTQuMTEuNC1wcmXCoCB4ODZfNjTC oCBkZWJ1Zz1uwqDCoCBOb3QgdGFpbnRlZCBdLS0tLQo+PiAoWEVOKSBDUFU6wqDCoMKgIDQKPj4g KFhFTikgUklQOsKgwqDCoCAwMDMzOls8MDAwMDdmZjk4YjQwZDc2MD5dCj4+IChYRU4pIFJGTEFH UzogMDAwMDAwMDAwMDAxMDIxNsKgwqAgQ09OVEVYVDogaHZtIGd1ZXN0IChkNzV2MSkKPj4gKFhF TikgcmF4OiAwMDAwMDAwMDAwMDAxMjEywqDCoCByYng6IDAwMDAwMGM3MTRkOWRhNTjCoMKgIHJj eDoKPj4gMDAwMDAyMzUwMDAwMTU5MAo+PiAoWEVOKSByZHg6IDAwMDAwMGM3MDAwMDAwMDHCoMKg IHJzaTogMDAwMDAwYzcxNGQ5ZGExOMKgwqAgcmRpOgo+PiAwMDAwMDBjNzE0ZDlkYjIwCj4+IChY RU4pIHJicDogMDAwMDAwYzcxNGQ5ZDk1MMKgwqAgcnNwOiAwMDAwMDBjNzE0ZDlkOTE4wqDCoCBy ODrCoAo+PiAwMDAwMDIzNTAwMDAxNDcwCj4+IChYRU4pIHI5OsKgIDAwMDAwMjM1MDAwMDE0ZjDC oMKgIHIxMDogMDAwMDdmZjk5YzVjMDkyM8KgwqAgcjExOgo+PiAwMDAwMDBjNzE0ZDlkOTcwCj4+ IChYRU4pIHIxMjogMDAwMDAwMDAwMDAwMDAwMMKgwqAgcjEzOiAwMDAwMDBjNzE0ZDlkOWQwwqDC oCByMTQ6Cj4+IDAwMDAwMGM3MTRkOWRhNTgKPj4gKFhFTikgcjE1OiAwMDAwMDAwMDAwMDAwMDA2 wqDCoCBjcjA6IDAwMDAwMDAwODAwNTAwMzHCoMKgIGNyNDoKPj4gMDAwMDAwMDAwMDA2MDY3OAo+ PiAoWEVOKSBjcjM6IDAwMDAwMDAxZDk0NTgwMDLCoMKgIGNyMjogMDAwMDdmZjk4YjZmYTA0OAo+ PiAoWEVOKSBmc2I6IDAwMDAwMDAwMDAwMDAwMDDCoMKgIGdzYjogMDAwMDAwYzcxNGU5ZTAwMMKg wqAgZ3NzOgo+PiBmZmZmY2QwMTVkYzQwMDAwCj4+IChYRU4pIGRzOiAwMDJiwqDCoCBlczogMDAy YsKgwqAgZnM6IDAwNTPCoMKgIGdzOiAwMDJiwqDCoCBzczogMDAyYsKgwqAgY3M6IDAwMzMKPj4K Pj4+IFNvIGl0J3MgaW4gZGViaWFuIDkgdXBkYXRlOiB4ZW4gKDQuOC41LmZpbmFsK3NoaW00LjEw LjQtMStkZWI5dTEyKQo+Pj4gYW5kIGluIGRlYmlhbiAxMCB1cGRhdGU6wqAgeGVuICg0LjExLjMr MjQtZzE0YjYyYWIzZTUtMSkgdGhhdCBpcyBjYXVzaW5nCj4+PiB0aGUgY3Jhc2hlcy4KPj4gRm9y IDQuMTEsIGNhbiB5b3UgcGxlYXNlIHRyeSB0aGUgd29ya2Fyb3VuZCB0byBlbmFibGUgImV4ZWN1 dGFibGUgRVBUCj4+IHN1cGVycGFnZXMiIGFnYWluPwo+Pgo+PiBJdCdzIHRoZSBlcHQ9ZXhlYy1z cCBoeXBlcnZpc29yIHNldHRpbmcsIGFuZCBjYW4gYWxzbyBiZSBzZXQgd2l0aG91dAo+PiByZWJv b3RpbmcgdXNpbmc6Cj4+Cj4+IMKgwqDCoCB4bCBzZXQtcGFyYW1ldGVycyBlcHQ9ZXhlYy1zcAo+ Cj4KPiBIZWxsbwo+Cj4KPiBJIGhhdmUgYmVlbiBydW5uaW5nIHRlc3TCoCB3aXRoICJ4bCBzZXQt cGFyYW1ldGVycyBlcHQ9ZXhlYy1zcCIgYW5kCj4gd2luZG93cyAyMDEyIFIyLgo+Cj4gQW5kIGl0 IGRvc2Ugbm90IGNyYXNoIGFueW1vcmUuCj4KPiBJIHVzZWQgbWVtb3J5ID0gNTEyMCB0aGF0IGRp ZCBtYWtlIGl0IGNyYXNoIHdpdGhpbiAyIG1pbnV0ZXMgYmVmb3JlLgo+Cj4gU28geGwgc2V0LXBh cmFtZXRlcnMgZXB0PWV4ZWMtc3Agc2VlbXMgdG8gYmUgYW4gd29ya2Fyb3VuZCBmb3Igbm93LgoK UmlnaHQsIGJ1dCB3aGF0IHlvdSdyZSBkb2luZyBpcyB0dXJuaW5nIG9mZiB0aGUgc2VjdXJpdHkg Zml4IGZvciBYU0EtMzA0LgoKRG8geW91IGhhdmUgYW55IHNoYWRvd19tZW1vcnk9IG9wdGlvbiBz ZXQgaW4geW91ciBWTSdzIGNvbmZpZyBmaWxlP8KgIElmCnNvLCBwbGVhc2UgcmVtb3ZlIGl0LgoK fkFuZHJldwoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K WGVuLXVzZXJzIG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0 cHM6Ly9saXN0cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== From xen-users-bounces@lists.xenproject.org Thu Mar 19 12:36:04 2020 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Thu, 19 Mar 2020 12:36:04 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jEuNd-0005mE-K7; Thu, 19 Mar 2020 12:34:33 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jEuNc-0005m9-As for xen-users@lists.xenproject.org; Thu, 19 Mar 2020 12:34:32 +0000 X-Inumbo-ID: fa1d5032-69dd-11ea-bbf2-12813bfff9fa Received: from mail.linuxsolutions.fi (unknown [185.189.149.168]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id fa1d5032-69dd-11ea-bbf2-12813bfff9fa; Thu, 19 Mar 2020 12:34:30 +0000 (UTC) Received: from hemma.linuxsolutions.fi (81-197-86-206.elisa-laajakaista.fi [81.197.86.206]) by mail.linuxsolutions.fi (Postfix) with ESMTPSA id A32259FD73; Thu, 19 Mar 2020 14:34:27 +0200 (EET) To: Andrew Cooper , Hans van Kranenburg , xen-users@lists.xenproject.org References: <5a491a85-47e8-2a44-50b0-427b3df07b4a@linuxsolutions.fi> <9e1a8468-0fea-4da0-d9e0-530bac9f444f@knorrie.org> <1a1d0e81-35d7-0987-3c5f-5ef86560c493@citrix.com> From: =?UTF-8?Q?Johnny_Str=c3=b6m?= Message-ID: <9c520eb7-1196-39fa-8dfe-f60d6f789a24@linuxsolutions.fi> Date: Thu, 19 Mar 2020 14:34:26 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <1a1d0e81-35d7-0987-3c5f-5ef86560c493@citrix.com> Content-Language: en-US Subject: Re: [Xen-users] Domu windows 2012 crash. X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?Q?kim_St=c3=a5hl?= Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" T24gMy8xOC8yMCA1OjM2IFBNLCBBbmRyZXcgQ29vcGVyIHdyb3RlOgo+IE9uIDE4LzAzLzIwMjAg MTU6MzIsIEpvaG5ueSBTdHLDtm0gd3JvdGU6Cj4+IE9uIDMvMTQvMjAgMjo1NCBQTSwgSGFucyB2 YW4gS3JhbmVuYnVyZyB3cm90ZToKPj4+IEhpIEpvaG5ueSwKPj4+Cj4+PiBPbiAyLzIwLzIwIDEw OjEwIEFNLCBqb2hubnkgU3Ryb20gd3JvdGU6Cj4+Pj4gQWZ0ZXIgdGhlIGxhdGVzdCB1cGRhdGVz L3NlY3VyaXR5IHVwZGF0ZXMgZm9yIGRlYmlhbiA5IGFuZCBkZWJpYW4gMTAsCj4+Pj4gc28gd2ls bCB3aW5kb3dzIDIwMTIgY3Jhc2ggaWYgbW9yZSB0aGFuIDQwOTYgbWVtb3J5IGlzIGF2YWlsYWJs ZSB0bwo+Pj4+IGRvbXUuCj4+PiBJIGFtIGFibGUgdG8gcmVwcm9kdWNlIHRoaXMgd2l0aCBhIFdp bmRvd3Mgc2VydmVyIGVzc2VudGlhbHMgMjAxOSBIVk0KPj4+IGRvbVUuCj4+Pgo+Pj4gQW4gZXhh 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=?UTF-8?Q?Johnny_Str=c3=b6m?= , "Hans van Kranenburg" , References: <5a491a85-47e8-2a44-50b0-427b3df07b4a@linuxsolutions.fi> <9e1a8468-0fea-4da0-d9e0-530bac9f444f@knorrie.org> <1a1d0e81-35d7-0987-3c5f-5ef86560c493@citrix.com> <9c520eb7-1196-39fa-8dfe-f60d6f789a24@linuxsolutions.fi> From: Andrew Cooper Message-ID: <760fe486-c688-995e-0542-b7e74aacea30@citrix.com> Date: Thu, 19 Mar 2020 13:12:57 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <9c520eb7-1196-39fa-8dfe-f60d6f789a24@linuxsolutions.fi> Content-Language: en-GB X-ClientProxiedBy: AMSPEX02CAS01.citrite.net (10.69.22.112) To AMSPEX02CL02.citrite.net (10.69.22.126) X-Mailman-Approved-At: Thu, 19 Mar 2020 15:37:22 +0000 Subject: Re: [Xen-users] Domu windows 2012 crash. X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: =?UTF-8?Q?kim_St=c3=a5hl?= Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" T24gMTkvMDMvMjAyMCAxMjozNCwgSm9obm55IFN0csO2bSB3cm90ZToKPiBPbiAzLzE4LzIwIDU6 MzYgUE0sIEFuZHJldyBDb29wZXIgd3JvdGU6Cj4+IE9uIDE4LzAzLzIwMjAgMTU6MzIsIEpvaG5u eSBTdHLDtm0gd3JvdGU6Cj4+PiBPbiAzLzE0LzIwIDI6NTQgUE0sIEhhbnMgdmFuIEtyYW5lbmJ1 cmcgd3JvdGU6Cj4+Pj4gSGkgSm9obm55LAo+Pj4+Cj4+Pj4gT24gMi8yMC8yMCAxMDoxMCBBTSwg am9obm55IFN0cm9tIHdyb3RlOgo+Pj4+PiBBZnRlciB0aGUgbGF0ZXN0IHVwZGF0ZXMvc2VjdXJp dHkgdXBkYXRlcyBmb3IgZGViaWFuIDkgYW5kIGRlYmlhbiAxMCwKPj4+Pj4gc28gd2lsbCB3aW5k b3dzIDIwMTIgY3Jhc2ggaWYgbW9yZSB0aGFuIDQwOTYgbWVtb3J5IGlzIGF2YWlsYWJsZSB0bwo+ Pj4+PiBkb211Lgo+Pj4+IEkgYW0gYWJsZSB0byByZXByb2R1Y2UgdGhpcyB3aXRoIGEgV2luZG93 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SHA256) (No client certificate requested) by syrinx.knorrie.org (Postfix) with ESMTPSA id C10546087CCFE; Thu, 19 Mar 2020 18:27:10 +0100 (CET) To: Andrew Cooper , =?UTF-8?Q?Johnny_Str=c3=b6m?= , xen-users@lists.xenproject.org References: <5a491a85-47e8-2a44-50b0-427b3df07b4a@linuxsolutions.fi> <9e1a8468-0fea-4da0-d9e0-530bac9f444f@knorrie.org> <1a1d0e81-35d7-0987-3c5f-5ef86560c493@citrix.com> <9c520eb7-1196-39fa-8dfe-f60d6f789a24@linuxsolutions.fi> <760fe486-c688-995e-0542-b7e74aacea30@citrix.com> From: Hans van Kranenburg Autocrypt: addr=hans@knorrie.org; keydata= mQINBFo2pooBEADwTBe/lrCa78zuhVkmpvuN+pXPWHkYs0LuAgJrOsOKhxLkYXn6Pn7e3xm+ ySfxwtFmqLUMPWujQYF0r5C6DteypL7XvkPP+FPVlQnDIifyEoKq8JZRPsAFt1S87QThYPC3 mjfluLUKVBP21H3ZFUGjcf+hnJSN9d9MuSQmAvtJiLbRTo5DTZZvO/SuQlmafaEQteaOswme DKRcIYj7+FokaW9n90P8agvPZJn50MCKy1D2QZwvw0g2ZMR8yUdtsX6fHTe7Ym+tHIYM3Tsg 2KKgt17NTxIqyttcAIaVRs4+dnQ23J98iFmVHyT+X2Jou+KpHuULES8562QltmkchA7YxZpT 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vT3RH0/CpPJgveWV5xDOKuhD8j5l7FME+t2RWP+gyLid6dE0C7J03ir90PlTEkMEHEzyJMPt OhO05Phy+d51WPTo1VSKxhL4bsWddHLfQoXW8RQ388Q69JG4m+JhNH/XvWe3aQFpYP+GZuzO hkMez0lHCaVOOLBSKHkAHh9i0/pH+/3hfEa4NsoHCpyy Message-ID: <8c602237-008f-cfec-210a-656a82c6f955@knorrie.org> Date: Thu, 19 Mar 2020 18:27:09 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <760fe486-c688-995e-0542-b7e74aacea30@citrix.com> Content-Language: en-US Subject: Re: [Xen-users] Domu windows 2012 crash. 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Mon, 23 Mar 2020 18:19:54 -0700 (PDT) To: xen-users@lists.xenproject.org From: "marcos.ata1983@gmail.com" Message-ID: <8044ea30-ee59-36ca-4aba-65b8f60446a0@gmail.com> Date: Mon, 23 Mar 2020 22:19:51 -0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 Content-Language: en-US Subject: [Xen-users] Xen 4.13 and Raspberry Pi4 X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============7236537355615547491==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" This is a multi-part message in MIME format. --===============7236537355615547491== Content-Type: multipart/alternative; boundary="------------1A870C12CF34E9A7946583C9" Content-Language: en-US This is a multi-part message in MIME format. --------------1A870C12CF34E9A7946583C9 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Hi, On *https://wiki.xenproject.org/wiki/Xen_Project_4.13_Feature_List* I read that "Xen 4.13 also supports Hygon Dhyana 18h processor family, *Raspberry Pi4* and Intel AVX512." So I try to install Xen Project from source (xen-4.13.0.tar.gz) on my Raspberry Pi 4 4GB (with Raspbian Buster Lite): *./configure* its OK But *make world *or *make dist *got the error message: /tmp/cccDG1wU.s: Assembler messages: /tmp/cccDG1wU.s:205: Error: selected processor does not support `dmb' in ARM mode /tmp/cccDG1wU.s:227: Error: selected processor does not support `dmb' in ARM mode /tmp/cccDG1wU.s:268: Error: selected processor does not support `dmb' in ARM mode /tmp/cccDG1wU.s:289: Error: selected processor does not support `dmb' in ARM mode make[5]: *** [/tmp/xen-4.13.0/tools/xenstore/../../tools/Rules.mk:213: xenstored_domain.o] Error 1 make[5]: Leaving directory '/tmp/xen-4.13.0/tools/xenstore' make[4]: *** [/tmp/xen-4.13.0/tools/../tools/Rules.mk:237: subdir-install-xenstore] Error 2 make[4]: Leaving directory '/tmp/xen-4.13.0/tools' make[3]: *** [/tmp/xen-4.13.0/tools/../tools/Rules.mk:232: subdirs-install] Error 2 make[3]: Leaving directory '/tmp/xen-4.13.0/tools' make[2]: *** [Makefile:73: install] Error 2 make[2]: Leaving directory '/tmp/xen-4.13.0/tools' make[1]: *** [Makefile:134: install-tools] Error 2 make[1]: Leaving directory '/tmp/xen-4.13.0' make: *** [Makefile:172: world] Error 2 Can someone help me? Its really possible to install Xen on Raspberry Pi 4? I have Xen Project running in many servers as most stable possible (really great) and sounds good to me make the same with a Raspberry Pi 4 now with 4GB. -- Marcos Renato da Silva Junior --------------1A870C12CF34E9A7946583C9 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 7bit

Hi,

On https://wiki.xenproject.org/wiki/Xen_Project_4.13_Feature_List I read that "Xen 4.13 also supports Hygon Dhyana 18h processor family, Raspberry Pi4 and Intel AVX512."

So I try to install Xen Project from source (xen-4.13.0.tar.gz) on my Raspberry Pi 4 4GB (with Raspbian Buster Lite):

./configure its OK

But make world or make dist got the error message:


/tmp/cccDG1wU.s: Assembler messages:
/tmp/cccDG1wU.s:205: Error: selected processor does not support `dmb' in ARM mode
/tmp/cccDG1wU.s:227: Error: selected processor does not support `dmb' in ARM mode
/tmp/cccDG1wU.s:268: Error: selected processor does not support `dmb' in ARM mode
/tmp/cccDG1wU.s:289: Error: selected processor does not support `dmb' in ARM mode
make[5]: *** [/tmp/xen-4.13.0/tools/xenstore/../../tools/Rules.mk:213: xenstored_domain.o] Error 1
make[5]: Leaving directory '/tmp/xen-4.13.0/tools/xenstore'
make[4]: *** [/tmp/xen-4.13.0/tools/../tools/Rules.mk:237: subdir-install-xenstore] Error 2
make[4]: Leaving directory '/tmp/xen-4.13.0/tools'
make[3]: *** [/tmp/xen-4.13.0/tools/../tools/Rules.mk:232: subdirs-install] Error 2
make[3]: Leaving directory '/tmp/xen-4.13.0/tools'
make[2]: *** [Makefile:73: install] Error 2
make[2]: Leaving directory '/tmp/xen-4.13.0/tools'
make[1]: *** [Makefile:134: install-tools] Error 2
make[1]: Leaving directory '/tmp/xen-4.13.0'
make: *** [Makefile:172: world] Error 2


Can someone help me? Its really possible to install Xen on Raspberry Pi 4?

I have Xen Project running in many servers as most stable possible (really great) and sounds good to me make the same with a Raspberry Pi 4 now with 4GB. 
-- 
Marcos Renato da Silva Junior
--------------1A870C12CF34E9A7946583C9-- --===============7236537355615547491== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============7236537355615547491==-- From xen-users-bounces@lists.xenproject.org Tue Mar 24 02:59:25 2020 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Tue, 24 Mar 2020 02:59:25 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jGZlZ-0005LQ-K7; Tue, 24 Mar 2020 02:58:09 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jGYCT-000534-67 for xen-users@lists.xenproject.org; Tue, 24 Mar 2020 01:17:49 +0000 X-Inumbo-ID: 45149630-6d6d-11ea-a6c1-bc764e2007e4 Received: from mail-qk1-x744.google.com (unknown [2607:f8b0:4864:20::744]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 45149630-6d6d-11ea-a6c1-bc764e2007e4; Tue, 24 Mar 2020 01:17:46 +0000 (UTC) Received: by mail-qk1-x744.google.com with SMTP id b62so8378788qkf.6 for ; Mon, 23 Mar 2020 18:17:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=unesp-br.20150623.gappssmtp.com; s=20150623; h=to:from:subject:message-id:date:user-agent:mime-version :content-language; bh=DPJmU+pKM0joeaEx3FXi/RFRZmV8qO/XSRQW7GJmc+o=; b=d6xinj06Joq683/5HThpiUfBwnSFklF6jIANIu9iAw88xKIjaH2XFaUlN5yl+bkwXj vDqVvWFdUNySkhVvcrcafEUSxM3YtHZfiGpUnoqProLl6CSvnN8HE+KItgtCkkQNtHDm Ie/fUYBk1h2k7eGzCWem5b9FJNf8xm/SEKky+6LNN6irSyqCL1kgfJhfn2PjWFMeVRbL a/i4/s07EEbgczYq2+CGwmcnt+THe0s5yVbguWVKGrXjnJl6f4AkNCXFR6Qag4GZHBmX OBvUtsECy/higosh4AuOb30y+uLtg9WtXMdPzxOm4XvxKU37jeA96N8xgJghTVP0UWTj Lemw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:to:from:subject:message-id:date:user-agent :mime-version:content-language; bh=DPJmU+pKM0joeaEx3FXi/RFRZmV8qO/XSRQW7GJmc+o=; b=F1daxbCa8OxktSBFqnw28fqgz/muojy/ulW+gecrdQWjRayuRCh2SOlEGhLgqUWCiX aOyL20wIrwKtnroL17EezW7CY4jtDMChplK3fsUmB58sx02uigsMpcP4TRtjPESmrI3G qyp8TBnnk9YICptLyJNCLhqIiGd/hvHnumvP2zOHzD2YAlyK6iZpt05tyTxOd1JqKhYF xvFwrgP6aE5WOHbFX5TXsVRP0WQy9C0W8tTKW8NJ3uKZI1pyzZmR5POe1A0JOiqPyID3 aAhUkxF0uVKv/zJWeG9Z+ax6d00U9ICXQmurp0h2s0wbyJt5wDUV3Xrsb6e2TB4FANSf 6yDQ== X-Gm-Message-State: ANhLgQ1U9U+lX4Eh4z5ozN9C49NvKlOAZRV+WwWlT9ixEIxMI+0EjPju kNSeBxsKY5bqoxOhjd6OU6jIlAwe8DE= X-Google-Smtp-Source: ADFU+vvOlZMt3k+QZICSYH4aszP18rSe3tJCke0zvX6RsSJVYdmu3gue/67DFFcNApPRDaEE2m1U5g== X-Received: by 2002:a37:e40d:: with SMTP id y13mr23580500qkf.39.1585012665666; Mon, 23 Mar 2020 18:17:45 -0700 (PDT) Received: from [192.168.0.50] ([168.227.88.254]) by smtp.gmail.com with ESMTPSA id f13sm13891663qte.53.2020.03.23.18.17.42 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 23 Mar 2020 18:17:44 -0700 (PDT) To: xen-users@lists.xenproject.org From: Marcos Renato da Silva Junior Message-ID: Date: Mon, 23 Mar 2020 22:17:40 -0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 Content-Language: en-US X-Mailman-Approved-At: Tue, 24 Mar 2020 02:58:07 +0000 Subject: [Xen-users] Xen 4.13 on Raspberry Pi 4 X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============3151204877043927609==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" This is a multi-part message in MIME format. --===============3151204877043927609== Content-Type: multipart/alternative; boundary="------------7F676D5BF48B07EC6F95077F" Content-Language: en-US This is a multi-part message in MIME format. --------------7F676D5BF48B07EC6F95077F Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Hi, On *https://wiki.xenproject.org/wiki/Xen_Project_4.13_Feature_List* I read that "Xen 4.13 also supports Hygon Dhyana 18h processor family, *Raspberry Pi4* and Intel AVX512." So I try to install Xen Project from source (xen-4.13.0.tar.gz) on my Raspberry Pi 4 4GB (with Raspbian Buster Lite): *./configure* its OK But *make world *or *make dist *got the error message: /tmp/cccDG1wU.s: Assembler messages: /tmp/cccDG1wU.s:205: Error: selected processor does not support `dmb' in ARM mode /tmp/cccDG1wU.s:227: Error: selected processor does not support `dmb' in ARM mode /tmp/cccDG1wU.s:268: Error: selected processor does not support `dmb' in ARM mode /tmp/cccDG1wU.s:289: Error: selected processor does not support `dmb' in ARM mode make[5]: *** [/tmp/xen-4.13.0/tools/xenstore/../../tools/Rules.mk:213: xenstored_domain.o] Error 1 make[5]: Leaving directory '/tmp/xen-4.13.0/tools/xenstore' make[4]: *** [/tmp/xen-4.13.0/tools/../tools/Rules.mk:237: subdir-install-xenstore] Error 2 make[4]: Leaving directory '/tmp/xen-4.13.0/tools' make[3]: *** [/tmp/xen-4.13.0/tools/../tools/Rules.mk:232: subdirs-install] Error 2 make[3]: Leaving directory '/tmp/xen-4.13.0/tools' make[2]: *** [Makefile:73: install] Error 2 make[2]: Leaving directory '/tmp/xen-4.13.0/tools' make[1]: *** [Makefile:134: install-tools] Error 2 make[1]: Leaving directory '/tmp/xen-4.13.0' make: *** [Makefile:172: world] Error 2 Can someone help me? Its really possible to install Xen on Raspberry Pi 4? I have Xen Project running in many servers as most stable possible (really great) and sounds good to me make the same with a Raspberry Pi 4 now with 4GB. -- Marcos Renato da Silva Junior --------------7F676D5BF48B07EC6F95077F Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 7bit

Hi,

On https://wiki.xenproject.org/wiki/Xen_Project_4.13_Feature_List I read that "Xen 4.13 also supports Hygon Dhyana 18h processor family, Raspberry Pi4 and Intel AVX512."

So I try to install Xen Project from source (xen-4.13.0.tar.gz) on my Raspberry Pi 4 4GB (with Raspbian Buster Lite):

./configure its OK

But make world or make dist got the error message:


/tmp/cccDG1wU.s: Assembler messages:
/tmp/cccDG1wU.s:205: Error: selected processor does not support `dmb' in ARM mode
/tmp/cccDG1wU.s:227: Error: selected processor does not support `dmb' in ARM mode
/tmp/cccDG1wU.s:268: Error: selected processor does not support `dmb' in ARM mode
/tmp/cccDG1wU.s:289: Error: selected processor does not support `dmb' in ARM mode
make[5]: *** [/tmp/xen-4.13.0/tools/xenstore/../../tools/Rules.mk:213: xenstored_domain.o] Error 1
make[5]: Leaving directory '/tmp/xen-4.13.0/tools/xenstore'
make[4]: *** [/tmp/xen-4.13.0/tools/../tools/Rules.mk:237: subdir-install-xenstore] Error 2
make[4]: Leaving directory '/tmp/xen-4.13.0/tools'
make[3]: *** [/tmp/xen-4.13.0/tools/../tools/Rules.mk:232: subdirs-install] Error 2
make[3]: Leaving directory '/tmp/xen-4.13.0/tools'
make[2]: *** [Makefile:73: install] Error 2
make[2]: Leaving directory '/tmp/xen-4.13.0/tools'
make[1]: *** [Makefile:134: install-tools] Error 2
make[1]: Leaving directory '/tmp/xen-4.13.0'
make: *** [Makefile:172: world] Error 2


Can someone help me? Its really possible to install Xen on Raspberry Pi 4?

I have Xen Project running in many servers as most stable possible (really great) and sounds good to me make the same with a Raspberry Pi 4 now with 4GB. 
-- 
Marcos Renato da Silva Junior
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[54.240.197.232]) by smtp.gmail.com with ESMTPSA id v13sm545274edj.62.2020.03.24.04.05.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 24 Mar 2020 04:05:24 -0700 (PDT) To: "marcos.ata1983@gmail.com" , xen-users@lists.xenproject.org References: <8044ea30-ee59-36ca-4aba-65b8f60446a0@gmail.com> From: Julien Grall Message-ID: Date: Tue, 24 Mar 2020 11:05:23 +0000 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <8044ea30-ee59-36ca-4aba-65b8f60446a0@gmail.com> Content-Language: en-GB Subject: Re: [Xen-users] Xen 4.13 and Raspberry Pi4 X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" CgpPbiAyNC8wMy8yMDIwIDAxOjE5LCBtYXJjb3MuYXRhMTk4M0BnbWFpbC5jb20gd3JvdGU6Cj4g SGksCgpIZWxsbywKCj4gT24gKmh0dHBzOi8vd2lraS54ZW5wcm9qZWN0Lm9yZy93aWtpL1hlbl9Q cm9qZWN0XzQuMTNfRmVhdHVyZV9MaXN0KiBJIAo+IHJlYWQgdGhhdCAiWGVuIDQuMTMgYWxzbyBz dXBwb3J0cyBIeWdvbiBEaHlhbmEgMThoIHByb2Nlc3NvciBmYW1pbHksIAo+ICpSYXNwYmVycnkg UGk0KiBhbmQgSW50ZWwgQVZYNTEyLiIKPiAKPiBTbyBJIHRyeSB0byBpbnN0YWxsIFhlbiBQcm9q ZWN0IGZyb20gc291cmNlICh4ZW4tNC4xMy4wLnRhci5neikgb24gbXkgCj4gUmFzcGJlcnJ5IFBp IDQgNEdCICh3aXRoIFJhc3BiaWFuIEJ1c3RlciBMaXRlKToKPiAKPiAqLi9jb25maWd1cmUqIGl0 cyBPSwo+IAo+IEJ1dCAqbWFrZSB3b3JsZCAqb3IgKm1ha2UgZGlzdCAqZ290IHRoZSBlcnJvciBt ZXNzYWdlOgo+IAo+IAo+IC90bXAvY2NjREcxd1UuczogQXNzZW1ibGVyIG1lc3NhZ2VzOgo+IC90 bXAvY2NjREcxd1UuczoyMDU6IEVycm9yOiBzZWxlY3RlZCBwcm9jZXNzb3IgZG9lcyBub3Qgc3Vw cG9ydCBgZG1iJyBpbiAKPiBBUk0gbW9kZQo+IC90bXAvY2NjREcxd1UuczoyMjc6IEVycm9yOiBz ZWxlY3RlZCBwcm9jZXNzb3IgZG9lcyBub3Qgc3VwcG9ydCBgZG1iJyBpbiAKPiBBUk0gbW9kZQo+ IC90bXAvY2NjREcxd1UuczoyNjg6IEVycm9yOiBzZWxlY3RlZCBwcm9jZXNzb3IgZG9lcyBub3Qg c3VwcG9ydCBgZG1iJyBpbiAKPiBBUk0gbW9kZQo+IC90bXAvY2NjREcxd1UuczoyODk6IEVycm9y OiBzZWxlY3RlZCBwcm9jZXNzb3IgZG9lcyBub3Qgc3VwcG9ydCBgZG1iJyBpbiAKPiBBUk0gbW9k ZQo+IG1ha2VbNV06ICoqKiBbL3RtcC94ZW4tNC4xMy4wL3Rvb2xzL3hlbnN0b3JlLy4uLy4uL3Rv b2xzL1J1bGVzLm1rOjIxMzogCj4geGVuc3RvcmVkX2RvbWFpbi5vXSBFcnJvciAxCj4gbWFrZVs1 XTogTGVhdmluZyBkaXJlY3RvcnkgJy90bXAveGVuLTQuMTMuMC90b29scy94ZW5zdG9yZScKPiBt YWtlWzRdOiAqKiogWy90bXAveGVuLTQuMTMuMC90b29scy8uLi90b29scy9SdWxlcy5tazoyMzc6 IAo+IHN1YmRpci1pbnN0YWxsLXhlbnN0b3JlXSBFcnJvciAyCj4gbWFrZVs0XTogTGVhdmluZyBk aXJlY3RvcnkgJy90bXAveGVuLTQuMTMuMC90b29scycKPiBtYWtlWzNdOiAqKiogWy90bXAveGVu LTQuMTMuMC90b29scy8uLi90b29scy9SdWxlcy5tazoyMzI6IAo+IHN1YmRpcnMtaW5zdGFsbF0g RXJyb3IgMgo+IG1ha2VbM106IExlYXZpbmcgZGlyZWN0b3J5ICcvdG1wL3hlbi00LjEzLjAvdG9v bHMnCj4gbWFrZVsyXTogKioqIFtNYWtlZmlsZTo3MzogaW5zdGFsbF0gRXJyb3IgMgo+IG1ha2Vb Ml06IExlYXZpbmcgZGlyZWN0b3J5ICcvdG1wL3hlbi00LjEzLjAvdG9vbHMnCj4gbWFrZVsxXTog KioqIFtNYWtlZmlsZToxMzQ6IGluc3RhbGwtdG9vbHNdIEVycm9yIDIKPiBtYWtlWzFdOiBMZWF2 aW5nIGRpcmVjdG9yeSAnL3RtcC94ZW4tNC4xMy4wJwo+IG1ha2U6ICoqKiBbTWFrZWZpbGU6MTcy OiB3b3JsZF0gRXJyb3IgMgoKVGhpcyBzZWVtcyB0byBzdWdnZXN0IHRoZSBjb21waWxlciB1c2Vk IGlzIG5vdCBiZWhhdmluZyBhcyBYZW4gZXhwZWN0cy4gCldvdWxkIHlvdSBtaW5kIHRvIGdpdmUg bW9yZSBkZXRhaWxzIG9uIHRoZSBjb21waWxlciB1c2VkPwoKPiAKPiAKPiBDYW4gc29tZW9uZSBo ZWxwIG1lPyBJdHMgcmVhbGx5IHBvc3NpYmxlIHRvIGluc3RhbGwgWGVuIG9uIFJhc3BiZXJyeSBQ aSA0PwpZb3UgbWF5IHdhbnQgdG8gaGF2ZSBhIGxvb2sgYXQgCmh0dHBzOi8vZ2l0aHViLmNvbS9k b3JuZXJ3b3Jrcy94ZW4tcnBpNC1idWlsZGVyLgoKQ2hlZXJzLAoKLS0gCkp1bGllbiBHcmFsbAoK X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== From xen-users-bounces@lists.xenproject.org Wed Mar 25 10:36:37 2020 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Wed, 25 Mar 2020 10:36:37 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jH3NW-0003Kt-9r; Wed, 25 Mar 2020 10:35:18 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jH3NV-0003Ko-Er for xen-users@lists.xen.org; Wed, 25 Mar 2020 10:35:17 +0000 X-Inumbo-ID: 50cd7fd8-6e84-11ea-b34e-bc764e2007e4 Received: from mail-pg1-x52e.google.com (unknown [2607:f8b0:4864:20::52e]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 50cd7fd8-6e84-11ea-b34e-bc764e2007e4; Wed, 25 Mar 2020 10:35:16 +0000 (UTC) Received: by mail-pg1-x52e.google.com with SMTP id x7so960463pgh.5; Wed, 25 Mar 2020 03:35:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=enUiDYfKl4IMjhlAGbn7n8Oqogygg0MPSXfbg51sX04=; b=WxU39zNXdcTt/u2HHm7Ktqc4MJerEuHiuIikTZ7+MM6EA1b7g0GGHzONxbReb1bjTF XwtwxTwf/1o2rChEeKD0v+mvI0R9WGn3OzI55Rq6u9cLP4+VzRaNDq/kEcFqHRiW9xfK 66Ta3rw5qJa7y18X4pXM+skuw1LeQU1peZexI5aFIL80RINqFf7cA3gZbIVN4birN2a+ vmLGE0C4WZmWWypJlLZZEgHDV5LuHoN9jNiX5cyM4QcZq68Lx+5ROL9s0BlqXrKJ54Ia CC+DCGhFubr3LqFG8NQYhQQluco+eFq4QJrUEQVhBFL15z7o1kUdQ8xPGNE+Oq3dnWUy fv0Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=enUiDYfKl4IMjhlAGbn7n8Oqogygg0MPSXfbg51sX04=; b=EyGYNg2pgB5aSwdk3hzfzrU72nGTDdtVIB5/JnxSW0nfYzh4gvASm+r01qJDuQ78UN oyU6+ZpfucWfoAamy6H8zAf1dX+PKONhIvUqKNFxmRqewXuMZhaDWAFJ5elZEeyVtTMH tJsXzRfspV1UfNI/q7xokdzObGzVqD9XwkIuUgni5oQlQxLjK0lrXInzA8vYL1yiLoow t3CRIDMupFA7gK6zSmWdNn0RMBOhFU3XtB78umxD/CWEgkOw13AMmGD/Au60NpHXz6H+ vhr/PXVuYMcQFX4gYJqdUK+0fCXY12ZGXeaJWk05fw15lk6cO7NtEeYBlCA43NjOJNCs oYBA== X-Gm-Message-State: ANhLgQ0WmCgo2ZmQaTch7RVodvZVBuOioJGM+rs99s0nsiE/efny4gip Jv2tGgjAemYuIUmBrFTMkSYif3vhbACz2Cmz7W3tnO8x9O+Q6w== X-Google-Smtp-Source: ADFU+vskNcHbHxXNOsplZ/cU71mEs4wT3P5P+/eS0XGKcfiij5T0j0Ni5TKss+YJ3iBDD0jm4Btpcn59SW/7iA7byYg= X-Received: by 2002:a63:257:: with SMTP id 84mr2457726pgc.304.1585132515138; Wed, 25 Mar 2020 03:35:15 -0700 (PDT) MIME-Version: 1.0 From: =?UTF-8?Q?Charles_Gon=C3=A7alves?= Date: Wed, 25 Mar 2020 10:34:38 +0000 Message-ID: To: xen-devel@lists.xen.org, xen-users@lists.xen.org Subject: [Xen-users] Vulnerability disclosure vs discovery X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0166330506830629983==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" --===============0166330506830629983== Content-Type: multipart/alternative; boundary="0000000000007ca07505a1ab6cfa" --0000000000007ca07505a1ab6cfa Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hello, I'm a Ph.D. candidate in UC (Portugal) working with Xen's vulnerability discovery process, right now focusing on modeling, and I'd like to understand the process before the disclosure (by XSA or CVE/NVD). It would be nice to have a more precise date that traces a vulnerability (XSA) to its discovery rather than the public release date. Currently, I'm parsing any references from NVD/CVE and analyzing the dates. For older XSA, this works better than from newer ones. Is there any other place that I could find this information? Atenciosamente, *Charles Ferreira Gon=C3=A7alves * --0000000000007ca07505a1ab6cfa Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

Hello,

I'm a Ph.D. candidate in UC (Portug= al) working with Xen's vulnerability discovery process, right now focus= ing on modeling, and I'd like to understand the process before the disc= losure (by XSA or CVE/NVD). =C2=A0

It would be nice to have a more p= recise date that traces a vulnerability (XSA) to its discovery rather than = the public release date.

Currently, =C2=A0I'm parsing any refer= ences from NVD/CVE and analyzing the dates. For older XSA, this works bette= r than from newer ones.

Is there any other place that I could find = this information?

=
Atenciosamente,
Charles Ferreira Gon=C3=A7alves


=
--0000000000007ca07505a1ab6cfa-- --===============0166330506830629983== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLXVzZXJz IG1haWxpbmcgbGlzdApYZW4tdXNlcnNAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi11c2Vycw== --===============0166330506830629983==-- From xen-users-bounces@lists.xenproject.org Wed Mar 25 11:09:02 2020 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Wed, 25 Mar 2020 11:09:02 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jH3t8-00072C-Lf; Wed, 25 Mar 2020 11:07:58 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jH3t6-000726-W3 for xen-users@lists.xenproject.org; Wed, 25 Mar 2020 11:07:57 +0000 X-Inumbo-ID: e00aa71c-6e88-11ea-bec1-bc764e2007e4 Received: from mout02.posteo.de (unknown [185.67.36.66]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id e00aa71c-6e88-11ea-bec1-bc764e2007e4; Wed, 25 Mar 2020 11:07:54 +0000 (UTC) Received: from submission (posteo.de [89.146.220.130]) by mout02.posteo.de (Postfix) with ESMTPS id B42FD2400E6 for ; Wed, 25 Mar 2020 12:07:53 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.de; s=2017; t=1585134473; bh=oC665YAQd1YkKnzRgLmMFb+eFICsbYlXsY2FcbItef4=; h=To:From:Subject:Date:From; b=R0mx7s4KQbwG2HYHFHgwa6YudzlDfR5oGmnwbK/MqA2BFShPoL3qX40jeww2OmBQi J+vBc1KQnr2tow1y3tWeRbHyLS7w0fUPLrDc2FMORTnzLo/q9qyPyS478apO/nWyO8 JI77EzkV3sFXQgdVjvU7bjalJI5E8t8jiFenpIMwVzItpNYsiXbsNIr2+tYIM1m71l UYwTGqpv30qNWKg2tWPAqxredO/u4ctR4qKRwfuUlYmAbU0i6kH0GCQKoRiTEgG07a S183u+Vsb2OeTrC4gXdbnhtvfVeI+GdJM3ItLpHh8QLiu7FSO8cBYl/QEK9WCyfrEP wtxVQmloeHtww== Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 48nQMF0qHmz9rxZ for ; Wed, 25 Mar 2020 12:07:53 +0100 (CET) To: xen-users@lists.xenproject.org From: Dirk Streubel Message-ID: <4b4cc131-bae5-c5f4-2817-721ac88184cb@posteo.de> Date: Wed, 25 Mar 2020 12:07:35 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 Content-Language: en-US Subject: [Xen-users] AMD Ryzen X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============0365710727595294598==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" This is a multi-part message in MIME format. --===============0365710727595294598== Content-Type: multipart/alternative; boundary="------------160935F2178D3F9315511121" Content-Language: en-US This is a multi-part message in MIME format. --------------160935F2178D3F9315511121 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Hello List, i have installed Fedora 32 Beta with Kernel 5.6 and XEN Version 4.13. The CPU is an AMD Ryzen Threadripper 3960X. The Installation was no Problem. After the reboot i chose in grub "Fedora, with Xen hypervisor" and after a few seconds the screen was black and nothing happens. So, i decided to restart the machine and chose "Advance Options with ..(with Xen hypervisor)" but i stop with the message " CPU 1 was stuck" . So, after that i test it with the OpenSuse Tumbleweed and the Result was the same. I also tested it with an Ryzen 7 1800X, and it comes the same error. Installation under a Intel CPU works fine. So, is this a Kernel Bug, a Xen Bug or what is the Problem? Regards Dirk --------------160935F2178D3F9315511121 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 7bit

Hello List,

i have installed Fedora 32 Beta with Kernel 5.6 and XEN Version 4.13.

The CPU is an AMD Ryzen Threadripper 3960X. The Installation was no Problem. After the reboot i chose in grub "Fedora, with Xen hypervisor"

and after a few seconds the screen was black and nothing happens. So, i decided to restart the machine and chose "Advance Options with ..(with Xen hypervisor)"

but i stop with the message " CPU 1 was stuck" .

So, after that i test it with the OpenSuse Tumbleweed and the Result was the same.

I also tested it with an Ryzen 7 1800X, and it comes the same error.

Installation under a Intel CPU works fine.

So, is this a Kernel Bug, a Xen Bug or what is the Problem?

Regards

Dirk


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Wed, 25 Mar 2020 17:20:22 -0700 (PDT) Received: from [192.168.0.50] ([168.227.88.254]) by smtp.googlemail.com with ESMTPSA id f19sm407640qtq.78.2020.03.25.17.20.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 25 Mar 2020 17:20:22 -0700 (PDT) To: Julien Grall , xen-users@lists.xenproject.org References: <8044ea30-ee59-36ca-4aba-65b8f60446a0@gmail.com> From: "marcos.ata1983@gmail.com" Message-ID: Date: Wed, 25 Mar 2020 21:20:20 -0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US Subject: Re: [Xen-users] Xen 4.13 and Raspberry Pi4 X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1418521591066920401==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" This is a multi-part message in MIME format. --===============1418521591066920401== Content-Type: multipart/alternative; boundary="------------0623B5FF32D560ACA0535960" Content-Language: en-US This is a multi-part message in MIME format. --------------0623B5FF32D560ACA0535960 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Em 24/03/2020 08:05, Julien Grall escreveu: > > > On 24/03/2020 01:19, marcos.ata1983@gmail.com wrote: >> Hi, > > Hello, > >> On *https://wiki.xenproject.org/wiki/Xen_Project_4.13_Feature_List* I >> read that "Xen 4.13 also supports Hygon Dhyana 18h processor family, >> *Raspberry Pi4* and Intel AVX512." >> >> So I try to install Xen Project from source (xen-4.13.0.tar.gz) on my >> Raspberry Pi 4 4GB (with Raspbian Buster Lite): >> >> *./configure* its OK >> >> But *make world *or *make dist *got the error message: >> >> >> /tmp/cccDG1wU.s: Assembler messages: >> /tmp/cccDG1wU.s:205: Error: selected processor does not support `dmb' >> in ARM mode >> /tmp/cccDG1wU.s:227: Error: selected processor does not support `dmb' >> in ARM mode >> /tmp/cccDG1wU.s:268: Error: selected processor does not support `dmb' >> in ARM mode >> /tmp/cccDG1wU.s:289: Error: selected processor does not support `dmb' >> in ARM mode >> make[5]: *** >> [/tmp/xen-4.13.0/tools/xenstore/../../tools/Rules.mk:213: >> xenstored_domain.o] Error 1 >> make[5]: Leaving directory '/tmp/xen-4.13.0/tools/xenstore' >> make[4]: *** [/tmp/xen-4.13.0/tools/../tools/Rules.mk:237: >> subdir-install-xenstore] Error 2 >> make[4]: Leaving directory '/tmp/xen-4.13.0/tools' >> make[3]: *** [/tmp/xen-4.13.0/tools/../tools/Rules.mk:232: >> subdirs-install] Error 2 >> make[3]: Leaving directory '/tmp/xen-4.13.0/tools' >> make[2]: *** [Makefile:73: install] Error 2 >> make[2]: Leaving directory '/tmp/xen-4.13.0/tools' >> make[1]: *** [Makefile:134: install-tools] Error 2 >> make[1]: Leaving directory '/tmp/xen-4.13.0' >> make: *** [Makefile:172: world] Error 2 > > This seems to suggest the compiler used is not behaving as Xen > expects. Would you mind to give more details on the compiler used? ii  bcc 0.16.17-3.3                          armhf        16-bit x86 C compiler ii  device-tree-compiler 1.4.7-3+rpt1                         armhf        Device Tree Compiler for Flat Device Trees ii  g++ 4:8.3.0-1+rpi2                       armhf        GNU C++ compiler ii  g++-8 8.3.0-6+rpi1                         armhf        GNU C++ compiler ii  gcc 4:8.3.0-1+rpi2                       armhf        GNU C compiler ii  gcc-8 8.3.0-6+rpi1                         armhf        GNU C compiler ii  libllvm9:armhf 1:9.0.1-6+rpi1~bpo10+1               armhf        Modular compiler and toolchain technologies, runtime library ii  libluajit-5.1-2:armhf 2.1.0~beta3+dfsg-5.1                 armhf        Just in time compiler for Lua - library version ii  libluajit-5.1-common 2.1.0~beta3+dfsg-5.1                 all          Just in time compiler for Lua - common files ii  libxkbcommon0:armhf 0.8.2-1                              armhf        library interface to the XKB compiler - shared library ii  luajit 2.1.0~beta3+dfsg-5.1                 armhf        Just in time compiler for Lua programming language version 5.1 ii  ocaml-compiler-libs 4.05.0-11+rpi1                       armhf        OCaml interpreter and standard libraries > >> >> >> Can someone help me? Its really possible to install Xen on Raspberry >> Pi 4? > You may want to have a look at > https://github.com/dornerworks/xen-rpi4-builder. I tried (I gave up on the slow and inconsistent download of gcc-arm-8.3-2019.03-x86_64-aarch64-linux-gnu.tar.xz). Anyway my question is: does Xen Project 4.13 support Raspberry Pi4?, if so, maybe it was a good idea a how-to with dependencies, etc. > > Cheers, > Thanks, -- Marcos Renato da Silva Junior --------------0623B5FF32D560ACA0535960 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit


Em 24/03/2020 08:05, Julien Grall escreveu:


On 24/03/2020 01:19, marcos.ata1983@gmail.com wrote:
Hi,

Hello,

On *https://wiki.xenproject.org/wiki/Xen_Project_4.13_Feature_List* I read that "Xen 4.13 also supports Hygon Dhyana 18h processor family, *Raspberry Pi4* and Intel AVX512."

So I try to install Xen Project from source (xen-4.13.0.tar.gz) on my Raspberry Pi 4 4GB (with Raspbian Buster Lite):

*./configure* its OK

But *make world *or *make dist *got the error message:


/tmp/cccDG1wU.s: Assembler messages:
/tmp/cccDG1wU.s:205: Error: selected processor does not support `dmb' in ARM mode
/tmp/cccDG1wU.s:227: Error: selected processor does not support `dmb' in ARM mode
/tmp/cccDG1wU.s:268: Error: selected processor does not support `dmb' in ARM mode
/tmp/cccDG1wU.s:289: Error: selected processor does not support `dmb' in ARM mode
make[5]: *** [/tmp/xen-4.13.0/tools/xenstore/../../tools/Rules.mk:213: xenstored_domain.o] Error 1
make[5]: Leaving directory '/tmp/xen-4.13.0/tools/xenstore'
make[4]: *** [/tmp/xen-4.13.0/tools/../tools/Rules.mk:237: subdir-install-xenstore] Error 2
make[4]: Leaving directory '/tmp/xen-4.13.0/tools'
make[3]: *** [/tmp/xen-4.13.0/tools/../tools/Rules.mk:232: subdirs-install] Error 2
make[3]: Leaving directory '/tmp/xen-4.13.0/tools'
make[2]: *** [Makefile:73: install] Error 2
make[2]: Leaving directory '/tmp/xen-4.13.0/tools'
make[1]: *** [Makefile:134: install-tools] Error 2
make[1]: Leaving directory '/tmp/xen-4.13.0'
make: *** [Makefile:172: world] Error 2

This seems to suggest the compiler used is not behaving as Xen expects. Would you mind to give more details on the compiler used?
ii  bcc                            0.16.17-3.3                          armhf        16-bit x86 C compiler
ii  device-tree-compiler           1.4.7-3+rpt1                         armhf        Device Tree Compiler for Flat Device Trees
ii  g++                            4:8.3.0-1+rpi2                       armhf        GNU C++ compiler
ii  g++-8                          8.3.0-6+rpi1                         armhf        GNU C++ compiler
ii  gcc                            4:8.3.0-1+rpi2                       armhf        GNU C compiler
ii  gcc-8                          8.3.0-6+rpi1                         armhf        GNU C compiler
ii  libllvm9:armhf                 1:9.0.1-6+rpi1~bpo10+1               armhf        Modular compiler and toolchain technologies, runtime library
ii  libluajit-5.1-2:armhf          2.1.0~beta3+dfsg-5.1                 armhf        Just in time compiler for Lua - library version
ii  libluajit-5.1-common           2.1.0~beta3+dfsg-5.1                 all          Just in time compiler for Lua - common files
ii  libxkbcommon0:armhf            0.8.2-1                              armhf        library interface to the XKB compiler - shared library
ii  luajit                         2.1.0~beta3+dfsg-5.1                 armhf        Just in time compiler for Lua programming language version 5.1
ii  ocaml-compiler-libs            4.05.0-11+rpi1                       armhf        OCaml interpreter and standard libraries



Can someone help me? Its really possible to install Xen on Raspberry Pi 4?
You may want to have a look at https://github.com/dornerworks/xen-rpi4-builder.

I tried (I gave up on the slow and inconsistent download of gcc-arm-8.3-2019.03-x86_64-aarch64-linux-gnu.tar.xz).

Anyway my question is: does Xen Project 4.13 support Raspberry Pi4?, if so, maybe it was a good idea a how-to with dependencies, etc.

Cheers,

Thanks,
-- 
Marcos Renato da Silva Junior
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+0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jHPJg-0002zf-Un; Thu, 26 Mar 2020 10:00:48 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jHPJf-0002zR-Oe for xen-users@lists.xenproject.org; Thu, 26 Mar 2020 10:00:47 +0000 X-Inumbo-ID: a97c61ac-6f48-11ea-bec1-bc764e2007e4 Received: from foss.arm.com (unknown [217.140.110.172]) by us1-rack-iad1.inumbo.com (Halon) with ESMTP id a97c61ac-6f48-11ea-bec1-bc764e2007e4; Thu, 26 Mar 2020 10:00:46 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B30727FA; Thu, 26 Mar 2020 03:00:45 -0700 (PDT) Received: from [192.168.3.111] (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 13E153F52E; Thu, 26 Mar 2020 03:00:44 -0700 (PDT) To: Julien Grall , "marcos.ata1983@gmail.com" , xen-users@lists.xenproject.org, Stewart Hildebrand References: <8044ea30-ee59-36ca-4aba-65b8f60446a0@gmail.com> From: =?UTF-8?Q?Andr=c3=a9_Przywara?= Autocrypt: addr=andre.przywara@arm.com; prefer-encrypt=mutual; keydata= xsFNBFNPCKMBEAC+6GVcuP9ri8r+gg2fHZDedOmFRZPtcrMMF2Cx6KrTUT0YEISsqPoJTKld tPfEG0KnRL9CWvftyHseWTnU2Gi7hKNwhRkC0oBL5Er2hhNpoi8x4VcsxQ6bHG5/dA7ctvL6 kYvKAZw4X2Y3GTbAZIOLf+leNPiF9175S8pvqMPi0qu67RWZD5H/uT/TfLpvmmOlRzNiXMBm kGvewkBpL3R2clHquv7pB6KLoY3uvjFhZfEedqSqTwBVu/JVZZO7tvYCJPfyY5JG9+BjPmr+ REe2gS6w/4DJ4D8oMWKoY3r6ZpHx3YS2hWZFUYiCYovPxfj5+bOr78sg3JleEd0OB0yYtzTT esiNlQpCo0oOevwHR+jUiaZevM4xCyt23L2G+euzdRsUZcK/M6qYf41Dy6Afqa+PxgMEiDto ITEH3Dv+zfzwdeqCuNU0VOGrQZs/vrKOUmU/QDlYL7G8OIg5Ekheq4N+Ay+3EYCROXkstQnf YYxRn5F1oeVeqoh1LgGH7YN9H9LeIajwBD8OgiZDVsmb67DdF6EQtklH0ycBcVodG1zTCfqM AavYMfhldNMBg4vaLh0cJ/3ZXZNIyDlV372GmxSJJiidxDm7E1PkgdfCnHk+pD8YeITmSNyb 7qeU08Hqqh4ui8SSeUp7+yie9zBhJB5vVBJoO5D0MikZAODIDwARAQABzS1BbmRyZSBQcnp5 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Message-ID: Date: Thu, 26 Mar 2020 10:00:19 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US Subject: Re: [Xen-users] Xen 4.13 and Raspberry Pi4 X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" T24gMjYvMDMvMjAyMCAwOToxOCwgSnVsaWVuIEdyYWxsIHdyb3RlOgoKSGksCgo+IE9uIDI2LzAz LzIwMjAgMDA6MjAsIG1hcmNvcy5hdGExOTgzQGdtYWlsLmNvbSB3cm90ZToKPj4KPj4gRW0gMjQv MDMvMjAyMCAwODowNSwgSnVsaWVuIEdyYWxsIGVzY3JldmV1Ogo+Pj4KPj4+Cj4+PiBPbiAyNC8w My8yMDIwIDAxOjE5LCBtYXJjb3MuYXRhMTk4M0BnbWFpbC5jb20gd3JvdGU6Cj4+Pj4gSGksCj4+ Pgo+Pj4gSGVsbG8sCj4+Pgo+Pj4+IE9uICpodHRwczovL3dpa2kueGVucHJvamVjdC5vcmcvd2lr 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xen-users-bounces@lists.xenproject.org Fri Mar 27 13:37:12 2020 Return-path: Envelope-to: archives@lists.xen.org Delivery-date: Fri, 27 Mar 2020 13:37:12 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jHp9M-0004sf-Js; Fri, 27 Mar 2020 13:35:52 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jHjAR-0004W0-Jm for xen-users@lists.xenproject.org; Fri, 27 Mar 2020 07:12:35 +0000 X-Inumbo-ID: 51c74186-6ffa-11ea-890c-12813bfff9fa Received: from smtp.mycloud.zone (unknown [103.9.57.90]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTP id 51c74186-6ffa-11ea-890c-12813bfff9fa; Fri, 27 Mar 2020 07:12:30 +0000 (UTC) X-SmarterMail-Authenticated-As: Jarrah.Gosbell@TLRcommunications.com.au Received: from [10.137.0.15] (ppp59-167-135-219.static.internode.on.net [59.167.135.219]) by smtp.mycloud.zone with SMTP; Fri, 27 Mar 2020 18:13:18 +1100 To: xen-users@lists.xenproject.org From: Jarrah Gosbell Message-ID: <188f36a0-0cf5-17bb-e3e7-bbe3602f3253@TLRcommunications.com.au> Date: Fri, 27 Mar 2020 18:11:55 +1100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 Content-Language: en-US X-Mailman-Approved-At: Fri, 27 Mar 2020 13:35:51 +0000 Subject: [Xen-users] CPU Topology Incorrect on AMD CPUs using NUMA Nodes X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" R29vZCBNb3JuaW5nLAoKSSBoYXZlIGJlZW4gdHJ5aW5nIHRvIGRlYnVnIHdoeSBteSBUaHJlYWRy aXBwZXIgMjk1MFggYmFzZWQgc3lzdGVtCnJlcG9ydHMgYW4gaW5jb3JyZWN0IG51bWJlciBvZiBD 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2020 00:10:09 -0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Mailman-Approved-At: Sun, 29 Mar 2020 15:55:35 +0000 Subject: Re: [Xen-users] Xen 4.13 and Raspberry Pi4 X-BeenThere: xen-users@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen user discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============6404755994223042944==" Errors-To: xen-users-bounces@lists.xenproject.org Sender: "Xen-users" This is a multi-part message in MIME format. --===============6404755994223042944== Content-Type: multipart/alternative; boundary="------------339A47A86F4638B0634A9B27" Content-Language: en-US This is a multi-part message in MIME format. --------------339A47A86F4638B0634A9B27 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Hi, Em 26/03/2020 07:00, André Przywara escreveu: > On 26/03/2020 09:18, Julien Grall wrote: > > Hi, > >> On 26/03/2020 00:20, marcos.ata1983@gmail.com wrote: >>> Em 24/03/2020 08:05, Julien Grall escreveu: >>>> >>>> On 24/03/2020 01:19, marcos.ata1983@gmail.com wrote: >>>>> Hi, >>>> Hello, >>>> >>>>> On *https://wiki.xenproject.org/wiki/Xen_Project_4.13_Feature_List* >>>>> I read that "Xen 4.13 also supports Hygon Dhyana 18h processor >>>>> family, *Raspberry Pi4* and Intel AVX512." >>>>> >>>>> So I try to install Xen Project from source (xen-4.13.0.tar.gz) on >>>>> my Raspberry Pi 4 4GB (with Raspbian Buster Lite): > ^^^^^^^^ > This might be a problem. > I am not sure we really support this crippled userland (ARMv6 + > hardfloat) for Xen. > Since the hardware virtualisation that Xen relies on was introduced in > ARMv7 only, ARMv6 was never a supported platform. > > I guess the statement about "Raspberry Pi4" support in the release notes > applies purely to the hardware, as in: The Xen hypervisor is able to > boot on the board - at least that is all I tested. > This is mentioned because former RPi models (<= 3) could not run Xen due > to the missing GIC interrupt controller, which is now fixed in the RPi4. > > That being said you could try to use any of the proper 64-bit > distributions for the RPi4 out there, at least that should fix your > compilation problems. Done, Ubuntu 18.04 arm64 fixed the compilation problems. > If and how they support installing the hypervisor is another issue. If > the boot process uses EFI (and thus grub), it should work, but if the > distribution relies on the RaspberryPi foundation boot process, I don't > see how we could load both Xen and Dom0 easily. Apparently is using *u-boot*, I tried *u-boot-update* but don't work for Xen kernel: *P: Checking for EXTLINUX directory... not found.** **P: Creating EXTLINUX directory... done: /boot/extlinux** **P: Writing config for /boot/vmlinuz-5.3.0-1019-raspi2...** **P: Writing config for /boot/vmlinuz-5.3.0-1017-raspi2...** **P: Updating /boot/extlinux/extlinux.conf...* The */boot/extlinux/extlinux.conf* look like: *default l0** **menu title U-Boot menu** **prompt 0** **timeout 50** ** ** **label l0** **    menu label Debian GNU/Linux kernel 5.3.0-1019-raspi2** **    linux /boot/vmlinuz-5.3.0-1019-raspi2** **    initrd /boot/initrd.img-5.3.0-1019-raspi2** **** **    append root=LABEL=writable * And */boot* : System.map-5.3.0-1017-raspi2 System.map-5.3.0-1019-raspi2 config-5.3.0-1017-raspi2 config-5.3.0-1019-raspi2 dtb->dtbs/5.3.0-1019-raspi2/./bcm2711-rpi-4-b.dtb dtb-5.3.0-1017-raspi2->dtbs/5.3.0-1017-raspi2/./bcm2711-rpi-4-b.dtb dtb-5.3.0-1019-raspi2->dtbs/5.3.0-1019-raspi2/./bcm2711-rpi-4-b.dtb dtbs extlinux firmware grub initrd.img->initrd.img-5.3.0-1019-raspi2 initrd.img-5.3.0-1017-raspi2 initrd.img-5.3.0-1019-raspi2 initrd.img.old->initrd.img-5.3.0-1017-raspi2 vmlinuz->vmlinuz-5.3.0-1019-raspi2 vmlinuz-5.3.0-1017-raspi2 vmlinuz-5.3.0-1019-raspi2 vmlinuz.old->vmlinuz-5.3.0-1017-raspi2 xen->xen-4.13.0 xen-4->xen-4.13.0 xen-4.13->xen-4.13.0 xen-4.13.0 xen-4.13.0.config > > To your particular problem: > >>>>> *./configure* its OK >>>>> >>>>> But *make world *or *make dist *got the error message: >>>>> >>>>> >>>>> /tmp/cccDG1wU.s: Assembler messages: >>>>> /tmp/cccDG1wU.s:205: Error: selected processor does not support >>>>> `dmb' in ARM mode > "dmb" as an *instruction* is only supported on ARMv7, on ARMv6 it's a > system register write. I guess the Raspbian compiler is configured to > generate ARMv6-hf compatible code, so does not support the instruction. > > Were you able to compile the hypervisor (make xen)? I think we fix this > issue there by forcing v7 support in the Makefiles, which we need anyway > for the hardware virtualisation code. *make xen* work *make install* no : ln -f -s xen-4.13.0 //boot/xen-4.13 ln: failed to create symbolic link '//boot/xen-4.13': Operation not permitted make[2]: *** [Makefile:65: _install] Error 1 make[2]: Leaving directory '/tmp/xen-4.13.0/xen' make[1]: *** [Makefile:50: install] Error 2 make[1]: Leaving directory '/tmp/xen-4.13.0/xen' make: *** [Makefile:130: install-xen] Error 2 But ok I leaved Raspbian per Ubuntu 18.04 arm64. So if I understand correctly, Xen was compiled successfully, the problem is the boot of the Xen kernel due to the Raspberry Pi architecture. Maybe u-boot could help but I'm not sure. Anyway, I am interested in helping even if testing something. Cheers. > > I am not sure if it's worth fixing this for the userland parts as well. > Clearly Xen can only run on >= ARMv7 hardware, so we might add a flag to > the compiler to enforce this? > > Cheers, > Andre. > >>>>> /tmp/cccDG1wU.s:227: Error: selected processor does not support >>>>> `dmb' in ARM mode >>>>> /tmp/cccDG1wU.s:268: Error: selected processor does not support >>>>> `dmb' in ARM mode >>>>> /tmp/cccDG1wU.s:289: Error: selected processor does not support >>>>> `dmb' in ARM mode >>>>> make[5]: *** >>>>> [/tmp/xen-4.13.0/tools/xenstore/../../tools/Rules.mk:213: >>>>> xenstored_domain.o] Error 1 >>>>> make[5]: Leaving directory '/tmp/xen-4.13.0/tools/xenstore' >>>>> make[4]: *** [/tmp/xen-4.13.0/tools/../tools/Rules.mk:237: >>>>> subdir-install-xenstore] Error 2 >>>>> make[4]: Leaving directory '/tmp/xen-4.13.0/tools' >>>>> make[3]: *** [/tmp/xen-4.13.0/tools/../tools/Rules.mk:232: >>>>> subdirs-install] Error 2 >>>>> make[3]: Leaving directory '/tmp/xen-4.13.0/tools' >>>>> make[2]: *** [Makefile:73: install] Error 2 >>>>> make[2]: Leaving directory '/tmp/xen-4.13.0/tools' >>>>> make[1]: *** [Makefile:134: install-tools] Error 2 >>>>> make[1]: Leaving directory '/tmp/xen-4.13.0' >>>>> make: *** [Makefile:172: world] Error 2 >>>> This seems to suggest the compiler used is not behaving as Xen >>>> expects. Would you mind to give more details on the compiler used? >>> ii  bcc 0.16.17-3.3                          armhf        16-bit x86 C >>> compiler >>> ii  device-tree-compiler 1.4.7-3+rpt1 >>> armhf        Device Tree Compiler for Flat Device Trees >>> ii  g++ 4:8.3.0-1+rpi2                       armhf        GNU C++ >>> compiler >>> ii  g++-8 8.3.0-6+rpi1                         armhf        GNU C++ >>> compiler >>> ii  gcc 4:8.3.0-1+rpi2                       armhf        GNU C compiler >>> ii  gcc-8 8.3.0-6+rpi1                         armhf        GNU C >>> compiler >>> ii  libllvm9:armhf 1:9.0.1-6+rpi1~bpo10+1               armhf >>> Modular compiler and toolchain technologies, runtime library >>> ii  libluajit-5.1-2:armhf 2.1.0~beta3+dfsg-5.1 >>> armhf        Just in time compiler for Lua - library version >>> ii  libluajit-5.1-common 2.1.0~beta3+dfsg-5.1 >>> all          Just in time compiler for Lua - common files >>> ii  libxkbcommon0:armhf 0.8.2-1 >>> armhf        library interface to the XKB compiler - shared library >>> ii  luajit 2.1.0~beta3+dfsg-5.1                 armhf        Just in >>> time compiler for Lua programming language version 5.1 >>> ii  ocaml-compiler-libs 4.05.0-11+rpi1 >>> armhf        OCaml interpreter and standard libraries >>>>> >>>>> Can someone help me? Its really possible to install Xen on Raspberry >>>>> Pi 4? >>>> You may want to have a look at >>>> https://github.com/dornerworks/xen-rpi4-builder. >>> I tried (I gave up on the slow and inconsistent download of >>> gcc-arm-8.3-2019.03-x86_64-aarch64-linux-gnu.tar.xz). >>> >>> Anyway my question is: does Xen Project 4.13 support Raspberry Pi4?, >>> if so, maybe it was a good idea a how-to with dependencies, etc. >> Andre and Stewart (in CC) worked on the RPI4 port. They may have a >> pointer to instructions rather than a script. >> >> As an aside note, if there are any instructions, can they be added on >> the wiki [1]? >> >> Cheers, >> >> [1] https://wiki.xenproject.org/wiki/Xen_ARM_with_Virtualization_Extensions >> > > _______________________________________________ > Xen-users mailing list > Xen-users@lists.xenproject.org > https://lists.xenproject.org/mailman/listinfo/xen-users -- Marcos Renato da Silva Junior Universidade Estadual Paulista - Unesp Faculdade de Engenharia de Ilha Solteira - FEIS Departamento de Engenharia Elétrica - DEE 15385-000 - Ilha Solteira/SP (18) 3743-1164 --------------339A47A86F4638B0634A9B27 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 8bit

Hi,

Em 26/03/2020 07:00, André Przywara escreveu:
On 26/03/2020 09:18, Julien Grall wrote:

Hi,


On 26/03/2020 00:20, marcos.ata1983@gmail.com wrote:

Em 24/03/2020 08:05, Julien Grall escreveu:


On 24/03/2020 01:19, marcos.ata1983@gmail.com wrote:

Hi,

Hello,


On *https://wiki.xenproject.org/wiki/Xen_Project_4.13_Feature_List*
I read that "Xen 4.13 also supports Hygon Dhyana 18h processor
family, *Raspberry Pi4* and Intel AVX512."

So I try to install Xen Project from source (xen-4.13.0.tar.gz) on
my Raspberry Pi 4 4GB (with Raspbian Buster Lite):

                                 ^^^^^^^^
This might be a problem.
I am not sure we really support this crippled userland (ARMv6 +
hardfloat) for Xen.
Since the hardware virtualisation that Xen relies on was introduced in
ARMv7 only, ARMv6 was never a supported platform.

I guess the statement about "Raspberry Pi4" support in the release notes
applies purely to the hardware, as in: The Xen hypervisor is able to
boot on the board - at least that is all I tested.
This is mentioned because former RPi models (<= 3) could not run Xen due
to the missing GIC interrupt controller, which is now fixed in the RPi4.

That being said you could try to use any of the proper 64-bit
distributions for the RPi4 out there, at least that should fix your
compilation problems.

Done, Ubuntu 18.04 arm64 fixed the compilation problems.

If and how they support installing the hypervisor is another issue. If
the boot process uses EFI (and thus grub), it should work, but if the
distribution relies on the RaspberryPi foundation boot process, I don't
see how we could load both Xen and Dom0 easily.
Apparently is using u-boot, I tried u-boot-update but don't work for Xen kernel:

P: Checking for EXTLINUX directory... not found.
P: Creating EXTLINUX directory... done: /boot/extlinux
P: Writing config for /boot/vmlinuz-5.3.0-1019-raspi2...
P: Writing config for /boot/vmlinuz-5.3.0-1017-raspi2...
P: Updating /boot/extlinux/extlinux.conf...

The /boot/extlinux/extlinux.conf look like:

default l0
menu title U-Boot menu
prompt 0
timeout 50


label l0
    menu label Debian GNU/Linux kernel 5.3.0-1019-raspi2
    linux /boot/vmlinuz-5.3.0-1019-raspi2
    initrd /boot/initrd.img-5.3.0-1019-raspi2
   
    append root=LABEL=writable

And /boot :

System.map-5.3.0-1017-raspi2
System.map-5.3.0-1019-raspi2
config-5.3.0-1017-raspi2
config-5.3.0-1019-raspi2
dtb->dtbs/5.3.0-1019-raspi2/./bcm2711-rpi-4-b.dtb
dtb-5.3.0-1017-raspi2->dtbs/5.3.0-1017-raspi2/./bcm2711-rpi-4-b.dtb
dtb-5.3.0-1019-raspi2->dtbs/5.3.0-1019-raspi2/./bcm2711-rpi-4-b.dtb
dtbs
extlinux
firmware
grub
initrd.img->initrd.img-5.3.0-1019-raspi2
initrd.img-5.3.0-1017-raspi2
initrd.img-5.3.0-1019-raspi2
initrd.img.old->initrd.img-5.3.0-1017-raspi2
vmlinuz->vmlinuz-5.3.0-1019-raspi2
vmlinuz-5.3.0-1017-raspi2
vmlinuz-5.3.0-1019-raspi2
vmlinuz.old->vmlinuz-5.3.0-1017-raspi2
xen->xen-4.13.0
xen-4->xen-4.13.0
xen-4.13->xen-4.13.0
xen-4.13.0
xen-4.13.0.config


To your particular problem:


*./configure* its OK

But *make world *or *make dist *got the error message:


/tmp/cccDG1wU.s: Assembler messages:
/tmp/cccDG1wU.s:205: Error: selected processor does not support
`dmb' in ARM mode

"dmb" as an *instruction* is only supported on ARMv7, on ARMv6 it's a
system register write. I guess the Raspbian compiler is configured to
generate ARMv6-hf compatible code, so does not support the instruction.

Were you able to compile the hypervisor (make xen)? I think we fix this
issue there by forcing v7 support in the Makefiles, which we need anyway
for the hardware virtualisation code.

make xen work

make install no :

ln -f -s xen-4.13.0 //boot/xen-4.13
ln: failed to create symbolic link '//boot/xen-4.13': Operation not permitted
make[2]: *** [Makefile:65: _install] Error 1
make[2]: Leaving directory '/tmp/xen-4.13.0/xen'
make[1]: *** [Makefile:50: install] Error 2
make[1]: Leaving directory '/tmp/xen-4.13.0/xen'
make: *** [Makefile:130: install-xen] Error 2

But ok I leaved Raspbian per Ubuntu 18.04 arm64.

So if I understand correctly, Xen was compiled successfully, the problem is the boot of the Xen kernel due to the Raspberry Pi architecture.

Maybe u-boot could help but I'm not sure. Anyway, I am interested in helping even if testing something.

Cheers.


I am not sure if it's worth fixing this for the userland parts as well.
Clearly Xen can only run on >= ARMv7 hardware, so we might add a flag to
the compiler to enforce this?

Cheers,
Andre.


/tmp/cccDG1wU.s:227: Error: selected processor does not support
`dmb' in ARM mode
/tmp/cccDG1wU.s:268: Error: selected processor does not support
`dmb' in ARM mode
/tmp/cccDG1wU.s:289: Error: selected processor does not support
`dmb' in ARM mode
make[5]: ***
[/tmp/xen-4.13.0/tools/xenstore/../../tools/Rules.mk:213:
xenstored_domain.o] Error 1
make[5]: Leaving directory '/tmp/xen-4.13.0/tools/xenstore'
make[4]: *** [/tmp/xen-4.13.0/tools/../tools/Rules.mk:237:
subdir-install-xenstore] Error 2
make[4]: Leaving directory '/tmp/xen-4.13.0/tools'
make[3]: *** [/tmp/xen-4.13.0/tools/../tools/Rules.mk:232:
subdirs-install] Error 2
make[3]: Leaving directory '/tmp/xen-4.13.0/tools'
make[2]: *** [Makefile:73: install] Error 2
make[2]: Leaving directory '/tmp/xen-4.13.0/tools'
make[1]: *** [Makefile:134: install-tools] Error 2
make[1]: Leaving directory '/tmp/xen-4.13.0'
make: *** [Makefile:172: world] Error 2

This seems to suggest the compiler used is not behaving as Xen
expects. Would you mind to give more details on the compiler used?

ii  bcc 0.16.17-3.3                          armhf        16-bit x86 C
compiler
ii  device-tree-compiler 1.4.7-3+rpt1                        
armhf        Device Tree Compiler for Flat Device Trees
ii  g++ 4:8.3.0-1+rpi2                       armhf        GNU C++
compiler
ii  g++-8 8.3.0-6+rpi1                         armhf        GNU C++
compiler
ii  gcc 4:8.3.0-1+rpi2                       armhf        GNU C compiler
ii  gcc-8 8.3.0-6+rpi1                         armhf        GNU C
compiler
ii  libllvm9:armhf 1:9.0.1-6+rpi1~bpo10+1               armhf       
Modular compiler and toolchain technologies, runtime library
ii  libluajit-5.1-2:armhf 2.1.0~beta3+dfsg-5.1                
armhf        Just in time compiler for Lua - library version
ii  libluajit-5.1-common 2.1.0~beta3+dfsg-5.1                
all          Just in time compiler for Lua - common files
ii  libxkbcommon0:armhf 0.8.2-1                             
armhf        library interface to the XKB compiler - shared library
ii  luajit 2.1.0~beta3+dfsg-5.1                 armhf        Just in
time compiler for Lua programming language version 5.1
ii  ocaml-compiler-libs 4.05.0-11+rpi1                      
armhf        OCaml interpreter and standard libraries


            

              

Can someone help me? Its really possible to install Xen on Raspberry
Pi 4?


            

            
You may want to have a look at
https://github.com/dornerworks/xen-rpi4-builder.


          

          
I tried (I gave up on the slow and inconsistent download of
gcc-arm-8.3-2019.03-x86_64-aarch64-linux-gnu.tar.xz).

Anyway my question is: does Xen Project 4.13 support Raspberry Pi4?,
if so, maybe it was a good idea a how-to with dependencies, etc.


        

        
Andre and Stewart (in CC) worked on the RPI4 port. They may have a
pointer to instructions rather than a script.

As an aside note, if there are any instructions, can they be added on
the wiki [1]?

Cheers,

[1] https://wiki.xenproject.org/wiki/Xen_ARM_with_Virtualization_Extensions



      

      

_______________________________________________
Xen-users mailing list
Xen-users@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-users

    

    
-- 
Marcos Renato da Silva Junior
Universidade Estadual Paulista - Unesp
Faculdade de Engenharia de Ilha Solteira - FEIS
Departamento de Engenharia Elétrica - DEE
15385-000 - Ilha Solteira/SP
(18) 3743-1164

  


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To: =?UTF-8?Q?Andr=c3=a9_Przywara?= ,
 Julien Grall , xen-users@lists.xenproject.org,
 Stewart Hildebrand 
From: "marcos.ata1983@gmail.com" 
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Hi,

Em 26/03/2020 07:00, André Przywara escreveu:
> On 26/03/2020 09:18, Julien Grall wrote:
>
> Hi,
>
>> On 26/03/2020 00:20,marcos.ata1983@gmail.com  wrote:
>>> Em 24/03/2020 08:05, Julien Grall escreveu:
>>>> On 24/03/2020 01:19,marcos.ata1983@gmail.com  wrote:
>>>>> Hi,
>>>> Hello,
>>>>
>>>>> On *https://wiki.xenproject.org/wiki/Xen_Project_4.13_Feature_List*
>>>>> I read that "Xen 4.13 also supports Hygon Dhyana 18h processor
>>>>> family, *Raspberry Pi4* and Intel AVX512."
>>>>>
>>>>> So I try to install Xen Project from source (xen-4.13.0.tar.gz) on
>>>>> my Raspberry Pi 4 4GB (with Raspbian Buster Lite):
>                                   ^^^^^^^^
> This might be a problem.
> I am not sure we really support this crippled userland (ARMv6 +
> hardfloat) for Xen.
> Since the hardware virtualisation that Xen relies on was introduced in
> ARMv7 only, ARMv6 was never a supported platform.
>
> I guess the statement about "Raspberry Pi4" support in the release notes
> applies purely to the hardware, as in: The Xen hypervisor is able to
> boot on the board - at least that is all I tested.
> This is mentioned because former RPi models (<= 3) could not run Xen due
> to the missing GIC interrupt controller, which is now fixed in the RPi4.
>
> That being said you could try to use any of the proper 64-bit
> distributions for the RPi4 out there, at least that should fix your
> compilation problems.

Done, Ubuntu 18.04 arm64 fixed the compilation problems.

> If and how they support installing the hypervisor is another issue. If
> the boot process uses EFI (and thus grub), it should work, but if the
> distribution relies on the RaspberryPi foundation boot process, I don't
> see how we could load both Xen and Dom0 easily.
Apparently is using *u-boot*, I tried *u-boot-update* but don't work for 
Xen kernel:

*P: Checking for EXTLINUX directory... not found.**
**P: Creating EXTLINUX directory... done: /boot/extlinux**
**P: Writing config for /boot/vmlinuz-5.3.0-1019-raspi2...**
**P: Writing config for /boot/vmlinuz-5.3.0-1017-raspi2...**
**P: Updating /boot/extlinux/extlinux.conf...*

The */boot/extlinux/extlinux.conf* look like:

*default l0**
**menu title U-Boot menu**
**prompt 0**
**timeout 50**
**
**
**label l0**
**    menu label Debian GNU/Linux kernel 5.3.0-1019-raspi2**
**    linux /boot/vmlinuz-5.3.0-1019-raspi2**
**    initrd /boot/initrd.img-5.3.0-1019-raspi2**
****
**    append root=LABEL=writable *

And */boot* :

System.map-5.3.0-1017-raspi2
System.map-5.3.0-1019-raspi2
config-5.3.0-1017-raspi2
config-5.3.0-1019-raspi2
dtb->dtbs/5.3.0-1019-raspi2/./bcm2711-rpi-4-b.dtb
dtb-5.3.0-1017-raspi2->dtbs/5.3.0-1017-raspi2/./bcm2711-rpi-4-b.dtb
dtb-5.3.0-1019-raspi2->dtbs/5.3.0-1019-raspi2/./bcm2711-rpi-4-b.dtb
dtbs
extlinux
firmware
grub
initrd.img->initrd.img-5.3.0-1019-raspi2
initrd.img-5.3.0-1017-raspi2
initrd.img-5.3.0-1019-raspi2
initrd.img.old->initrd.img-5.3.0-1017-raspi2
vmlinuz->vmlinuz-5.3.0-1019-raspi2
vmlinuz-5.3.0-1017-raspi2
vmlinuz-5.3.0-1019-raspi2
vmlinuz.old->vmlinuz-5.3.0-1017-raspi2
xen->xen-4.13.0
xen-4->xen-4.13.0
xen-4.13->xen-4.13.0
xen-4.13.0
xen-4.13.0.config

> To your particular problem:
>
>>>>> *./configure* its OK
>>>>>
>>>>> But *make world *or *make dist *got the error message:
>>>>>
>>>>>
>>>>> /tmp/cccDG1wU.s: Assembler messages:
>>>>> /tmp/cccDG1wU.s:205: Error: selected processor does not support
>>>>> `dmb' in ARM mode
> "dmb" as an *instruction* is only supported on ARMv7, on ARMv6 it's a
> system register write. I guess the Raspbian compiler is configured to
> generate ARMv6-hf compatible code, so does not support the instruction.
>
> Were you able to compile the hypervisor (make xen)? I think we fix this
> issue there by forcing v7 support in the Makefiles, which we need anyway
> for the hardware virtualisation code.

*make xen* work

*make install* no :

ln -f -s xen-4.13.0 //boot/xen-4.13
ln: failed to create symbolic link '//boot/xen-4.13': Operation not 
permitted
make[2]: *** [Makefile:65: _install] Error 1
make[2]: Leaving directory '/tmp/xen-4.13.0/xen'
make[1]: *** [Makefile:50: install] Error 2
make[1]: Leaving directory '/tmp/xen-4.13.0/xen'
make: *** [Makefile:130: install-xen] Error 2

But ok I leaved Raspbian per Ubuntu 18.04 arm64.

So if I understand correctly, Xen was compiled successfully, the problem 
is the boot of the Xen kernel due to the Raspberry Pi architecture.

Maybe u-boot could help but I'm not sure. Anyway, I am interested in 
helping even if testing something.

Cheers.

> I am not sure if it's worth fixing this for the userland parts as well.
> Clearly Xen can only run on >= ARMv7 hardware, so we might add a flag to
> the compiler to enforce this?
>
> Cheers,
> Andre.
>
>>>>> /tmp/cccDG1wU.s:227: Error: selected processor does not support
>>>>> `dmb' in ARM mode
>>>>> /tmp/cccDG1wU.s:268: Error: selected processor does not support
>>>>> `dmb' in ARM mode
>>>>> /tmp/cccDG1wU.s:289: Error: selected processor does not support
>>>>> `dmb' in ARM mode
>>>>> make[5]: ***
>>>>> [/tmp/xen-4.13.0/tools/xenstore/../../tools/Rules.mk:213:
>>>>> xenstored_domain.o] Error 1
>>>>> make[5]: Leaving directory '/tmp/xen-4.13.0/tools/xenstore'
>>>>> make[4]: *** [/tmp/xen-4.13.0/tools/../tools/Rules.mk:237:
>>>>> subdir-install-xenstore] Error 2
>>>>> make[4]: Leaving directory '/tmp/xen-4.13.0/tools'
>>>>> make[3]: *** [/tmp/xen-4.13.0/tools/../tools/Rules.mk:232:
>>>>> subdirs-install] Error 2
>>>>> make[3]: Leaving directory '/tmp/xen-4.13.0/tools'
>>>>> make[2]: *** [Makefile:73: install] Error 2
>>>>> make[2]: Leaving directory '/tmp/xen-4.13.0/tools'
>>>>> make[1]: *** [Makefile:134: install-tools] Error 2
>>>>> make[1]: Leaving directory '/tmp/xen-4.13.0'
>>>>> make: *** [Makefile:172: world] Error 2
>>>> This seems to suggest the compiler used is not behaving as Xen
>>>> expects. Would you mind to give more details on the compiler used?
>>> ii  bcc 0.16.17-3.3                          armhf        16-bit x86 C
>>> compiler
>>> ii  device-tree-compiler 1.4.7-3+rpt1
>>> armhf        Device Tree Compiler for Flat Device Trees
>>> ii  g++ 4:8.3.0-1+rpi2                       armhf        GNU C++
>>> compiler
>>> ii  g++-8 8.3.0-6+rpi1                         armhf        GNU C++
>>> compiler
>>> ii  gcc 4:8.3.0-1+rpi2                       armhf        GNU C compiler
>>> ii  gcc-8 8.3.0-6+rpi1                         armhf        GNU C
>>> compiler
>>> ii  libllvm9:armhf 1:9.0.1-6+rpi1~bpo10+1               armhf
>>> Modular compiler and toolchain technologies, runtime library
>>> ii  libluajit-5.1-2:armhf 2.1.0~beta3+dfsg-5.1
>>> armhf        Just in time compiler for Lua - library version
>>> ii  libluajit-5.1-common 2.1.0~beta3+dfsg-5.1
>>> all          Just in time compiler for Lua - common files
>>> ii  libxkbcommon0:armhf 0.8.2-1
>>> armhf        library interface to the XKB compiler - shared library
>>> ii  luajit 2.1.0~beta3+dfsg-5.1                 armhf        Just in
>>> time compiler for Lua programming language version 5.1
>>> ii  ocaml-compiler-libs 4.05.0-11+rpi1
>>> armhf        OCaml interpreter and standard libraries
>>>>> Can someone help me? Its really possible to install Xen on Raspberry
>>>>> Pi 4?
>>>> You may want to have a look at
>>>> https://github.com/dornerworks/xen-rpi4-builder.
>>> I tried (I gave up on the slow and inconsistent download of
>>> gcc-arm-8.3-2019.03-x86_64-aarch64-linux-gnu.tar.xz).
>>>
>>> Anyway my question is: does Xen Project 4.13 support Raspberry Pi4?,
>>> if so, maybe it was a good idea a how-to with dependencies, etc.
>> Andre and Stewart (in CC) worked on the RPI4 port. They may have a
>> pointer to instructions rather than a script.
>>
>> As an aside note, if there are any instructions, can they be added on
>> the wiki [1]?
>>
>> Cheers,
>>
>> [1]https://wiki.xenproject.org/wiki/Xen_ARM_with_Virtualization_Extensions
>>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xenproject.org
> https://lists.xenproject.org/mailman/listinfo/xen-users

-- 
Marcos Renato da Silva Junior
Universidade Estadual Paulista - Unesp
Faculdade de Engenharia de Ilha Solteira - FEIS
Departamento de Engenharia Elétrica - DEE
15385-000 - Ilha Solteira/SP
(18) 3743-1164

-- 
Marcos Renato da Silva Junior


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Hi,

      

      
Em 26/03/2020 07:00, André Przywara
        escreveu:

      

      

        
On 26/03/2020 09:18, Julien Grall wrote:

Hi,



        

          
On 26/03/2020 00:20, marcos.ata1983@gmail.com wrote:


          

            
Em 24/03/2020 08:05, Julien Grall escreveu:


            

              
On 24/03/2020 01:19, marcos.ata1983@gmail.com wrote:


              

                
Hi,


              

              
Hello,



              

                
On *https://wiki.xenproject.org/wiki/Xen_Project_4.13_Feature_List*
I read that "Xen 4.13 also supports Hygon Dhyana 18h processor
family, *Raspberry Pi4* and Intel AVX512."

So I try to install Xen Project from source (xen-4.13.0.tar.gz) on
my Raspberry Pi 4 4GB (with Raspbian Buster Lite):


              

            

          

        

        
                                 ^^^^^^^^
This might be a problem.
I am not sure we really support this crippled userland (ARMv6 +
hardfloat) for Xen.
Since the hardware virtualisation that Xen relies on was introduced in
ARMv7 only, ARMv6 was never a supported platform.

I guess the statement about "Raspberry Pi4" support in the release notes
applies purely to the hardware, as in: The Xen hypervisor is able to
boot on the board - at least that is all I tested.
This is mentioned because former RPi models (<= 3) could not run Xen due
to the missing GIC interrupt controller, which is now fixed in the RPi4.

That being said you could try to use any of the proper 64-bit
distributions for the RPi4 out there, at least that should fix your
compilation problems.

      

      
Done, Ubuntu 18.04 arm64 fixed the compilation problems.

      

        
If and how they support installing the hypervisor is another issue. If
the boot process uses EFI (and thus grub), it should work, but if the
distribution relies on the RaspberryPi foundation boot process, I don't
see how we could load both Xen and Dom0 easily.

      

      Apparently is using u-boot, I tried u-boot-update
      but don't work for Xen kernel:
      
P: Checking for EXTLINUX directory...
              not found.

            P: Creating EXTLINUX directory... done:
              /boot/extlinux

            P: Writing config for
              /boot/vmlinuz-5.3.0-1019-raspi2...

            P: Writing config for
              /boot/vmlinuz-5.3.0-1017-raspi2...

            P: Updating /boot/extlinux/extlinux.conf...

          

      
The /boot/extlinux/extlinux.conf
                  look like:

      
default l0

        menu title U-Boot menu

        prompt 0

        timeout 50

        

        

        label l0

            menu label Debian GNU/Linux kernel 5.3.0-1019-raspi2

            linux /boot/vmlinuz-5.3.0-1019-raspi2

            initrd /boot/initrd.img-5.3.0-1019-raspi2

            

            append root=LABEL=writable 

        

        And /boot :

      System.map-5.3.0-1017-raspi2

      System.map-5.3.0-1019-raspi2

      config-5.3.0-1017-raspi2

      config-5.3.0-1019-raspi2

      dtb->dtbs/5.3.0-1019-raspi2/./bcm2711-rpi-4-b.dtb

dtb-5.3.0-1017-raspi2->dtbs/5.3.0-1017-raspi2/./bcm2711-rpi-4-b.dtb

dtb-5.3.0-1019-raspi2->dtbs/5.3.0-1019-raspi2/./bcm2711-rpi-4-b.dtb

      dtbs

      extlinux

      firmware

      grub

      initrd.img->initrd.img-5.3.0-1019-raspi2

      initrd.img-5.3.0-1017-raspi2

      initrd.img-5.3.0-1019-raspi2

      initrd.img.old->initrd.img-5.3.0-1017-raspi2

      vmlinuz->vmlinuz-5.3.0-1019-raspi2

      vmlinuz-5.3.0-1017-raspi2

      vmlinuz-5.3.0-1019-raspi2

      vmlinuz.old->vmlinuz-5.3.0-1017-raspi2

      xen->xen-4.13.0

      xen-4->xen-4.13.0

      xen-4.13->xen-4.13.0

      xen-4.13.0

      xen-4.13.0.config

      

      

      

        
To your particular problem:



        

          

            

              

                
*./configure* its OK

But *make world *or *make dist *got the error message:


/tmp/cccDG1wU.s: Assembler messages:
/tmp/cccDG1wU.s:205: Error: selected processor does not support
`dmb' in ARM mode


              

            

          

        

        
"dmb" as an *instruction* is only supported on ARMv7, on ARMv6 it's a
system register write. I guess the Raspbian compiler is configured to
generate ARMv6-hf compatible code, so does not support the instruction.

Were you able to compile the hypervisor (make xen)? I think we fix this
issue there by forcing v7 support in the Makefiles, which we need anyway
for the hardware virtualisation code.

      

      
make xen work 

      

      
make install no :

      
ln -f -s xen-4.13.0 //boot/xen-4.13

        ln: failed to create symbolic link '//boot/xen-4.13': Operation
        not permitted

        make[2]: *** [Makefile:65: _install] Error 1

        make[2]: Leaving directory '/tmp/xen-4.13.0/xen'

        make[1]: *** [Makefile:50: install] Error 2

        make[1]: Leaving directory '/tmp/xen-4.13.0/xen'

        make: *** [Makefile:130: install-xen] Error 2

      
But ok I leaved Raspbian per Ubuntu 18.04 arm64. 

      

      
So if I understand correctly, Xen was
            compiled successfully, the problem is the boot of the Xen
            kernel due to the Raspberry Pi architecture. 

        

      
Maybe u-boot could help but I'm not sure.
          Anyway, I am interested in helping
            even if testing something. 

          

      
Cheers.

      

        
I am not sure if it's worth fixing this for the userland parts as well.
Clearly Xen can only run on >= ARMv7 hardware, so we might add a flag to
the compiler to enforce this?

Cheers,
Andre.



        

          

            

              

                
/tmp/cccDG1wU.s:227: Error: selected processor does not support
`dmb' in ARM mode
/tmp/cccDG1wU.s:268: Error: selected processor does not support
`dmb' in ARM mode
/tmp/cccDG1wU.s:289: Error: selected processor does not support
`dmb' in ARM mode
make[5]: ***
[/tmp/xen-4.13.0/tools/xenstore/../../tools/Rules.mk:213:
xenstored_domain.o] Error 1
make[5]: Leaving directory '/tmp/xen-4.13.0/tools/xenstore'
make[4]: *** [/tmp/xen-4.13.0/tools/../tools/Rules.mk:237:
subdir-install-xenstore] Error 2
make[4]: Leaving directory '/tmp/xen-4.13.0/tools'
make[3]: *** [/tmp/xen-4.13.0/tools/../tools/Rules.mk:232:
subdirs-install] Error 2
make[3]: Leaving directory '/tmp/xen-4.13.0/tools'
make[2]: *** [Makefile:73: install] Error 2
make[2]: Leaving directory '/tmp/xen-4.13.0/tools'
make[1]: *** [Makefile:134: install-tools] Error 2
make[1]: Leaving directory '/tmp/xen-4.13.0'
make: *** [Makefile:172: world] Error 2


              

              
This seems to suggest the compiler used is not behaving as Xen
expects. Would you mind to give more details on the compiler used?


            

            
ii  bcc 0.16.17-3.3                          armhf        16-bit x86 C
compiler
ii  device-tree-compiler 1.4.7-3+rpt1                        
armhf        Device Tree Compiler for Flat Device Trees
ii  g++ 4:8.3.0-1+rpi2                       armhf        GNU C++
compiler
ii  g++-8 8.3.0-6+rpi1                         armhf        GNU C++
compiler
ii  gcc 4:8.3.0-1+rpi2                       armhf        GNU C compiler
ii  gcc-8 8.3.0-6+rpi1                         armhf        GNU C
compiler
ii  libllvm9:armhf 1:9.0.1-6+rpi1~bpo10+1               armhf       
Modular compiler and toolchain technologies, runtime library
ii  libluajit-5.1-2:armhf 2.1.0~beta3+dfsg-5.1                
armhf        Just in time compiler for Lua - library version
ii  libluajit-5.1-common 2.1.0~beta3+dfsg-5.1                
all          Just in time compiler for Lua - common files
ii  libxkbcommon0:armhf 0.8.2-1                             
armhf        library interface to the XKB compiler - shared library
ii  luajit 2.1.0~beta3+dfsg-5.1                 armhf        Just in
time compiler for Lua programming language version 5.1
ii  ocaml-compiler-libs 4.05.0-11+rpi1                      
armhf        OCaml interpreter and standard libraries


            

              

                
Can someone help me? Its really possible to install Xen on Raspberry
Pi 4?


              

              
You may want to have a look at
https://github.com/dornerworks/xen-rpi4-builder.


            

            
I tried (I gave up on the slow and inconsistent download of
gcc-arm-8.3-2019.03-x86_64-aarch64-linux-gnu.tar.xz).

Anyway my question is: does Xen Project 4.13 support Raspberry Pi4?,
if so, maybe it was a good idea a how-to with dependencies, etc.


          

          
Andre and Stewart (in CC) worked on the RPI4 port. They may have a
pointer to instructions rather than a script.

As an aside note, if there are any instructions, can they be added on
the wiki [1]?

Cheers,

[1] https://wiki.xenproject.org/wiki/Xen_ARM_with_Virtualization_Extensions



        

        
_______________________________________________
Xen-users mailing list
Xen-users@lists.xenproject.org
https://lists.xenproject.org/mailman/listinfo/xen-users

      

      
-- 
Marcos Renato da Silva Junior
Universidade Estadual Paulista - Unesp
Faculdade de Engenharia de Ilha Solteira - FEIS
Departamento de Engenharia Elétrica - DEE
15385-000 - Ilha Solteira/SP
(18) 3743-1164

    

    
-- 
Marcos Renato da Silva Junior

  


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