Re: [Xen-devel] Xen Paravirt Operations Domain 0 SerialConsoleProblem

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Tue, Aug 25, 2009 at 12:17:19PM +0800, Teo En Ming (Zhang Enming) wrote:
> Hi Weidong,
>  
> I understood now. http://xenbits.xensource.com/xen-3.4-testing.hg and
> http://xenbits.xensource.com/xen-unstable.hg are completely different
> mercurial branches. I am using xen 3.4.1 testing which means my code won't
> have the pci-stub patch you have attached.
>  
> When I go back home after work I will do:
>  
> # cd /usr/src
> # hg clone http://xenbits.xensource.com/xen-unstable.hg
> # cd xen-unstable.hg
> # make xen
> # make install-xen
> # make tools
> # make install-tools
>  
> Is xen-unstable very unstable?

It shouldn't be _very_ unstable, but you might see some problems every now
and then.

> Will it work with my pv-ops dom 0 kernels 2.6.30-rc3 and 2.6.31-rc6?

Yes.

>  I believe I only have to download, compile and
> install xen-unstable right? I shouldn't have to do anything with my current
> pv-ops dom 0 kernels?
> 

Yes, that's true.

-- Pasi
 
> Thank you.
>  
> Regards,
>  
> Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics Engineering)
> BEng(Hons)(Mechanical Engineering) 
> Technical Support Engineer  
> Information Technology Department
> Asiasoft Online Pte Ltd
> Tampines Central 1 #04-01 Tampines Plaza 
> Singapore 529541
> Republic of Singapore
> Mobile: +65-9648-9798
> MSN: teoenming@xxxxxxxxxxx
>  
> 
>   _____  
> 
> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-devel-bounces@lists.
> xensource.com] On Behalf Of Teo En Ming (Zhang Enming)
> Sent: Tuesday, August 25, 2009 11:51 AM
> To: weidong.han@xxxxxxxxx
> Cc: 'Alan; xen-devel@xxxxxxxxxxxxxxxxxxx; 'Cox''
> Subject: RE: [Xen-devel] Xen Paravirt Operations Domain 0
> SerialConsoleProblem
> 
> 
> Hi Weidong, 
>  
> I have taken a look at the patch code you have attached. The date is 6 July
> 2009, which is one month older than the Xen 3.4.1 testing code that I am
> currently using.
>  
> Is this pci-stub patch already in Xen 3.4.1 testing changeset of 6 August
> 2009? If it is not merged into Xen 3.4.1 6 Aug 2009 changeset, then I would
> have to patch my current Xen code using this patch file.
>  
> Regards,
>  
> Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics Engineering)
> BEng(Hons)(Mechanical Engineering) 
> Technical Support Engineer 
> Information Technology Department
> Asiasoft Online Pte Ltd
> Tampines Central 1 #04-01 Tampines Plaza 
> Singapore 529541
> Republic of Singapore
> Mobile: +65-9648-9798
> MSN: teoenming@xxxxxxxxxxx
>  
> 
>   _____  
> 
> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-devel-bounces@lists.
> xensource.com] On Behalf Of Han, Weidong
> Sent: Tuesday, August 25, 2009 11:28 AM
> To: 'enming.teo@xxxxxxxxxxxxxxx'
> Cc: 'Alan; 'xen-devel@xxxxxxxxxxxxxxxxxxx'; Cox'
> Subject: RE: [Xen-devel] Xen Paravirt Operations Domain 0
> SerialConsoleProblem
> 
> 
> I attached it for you.
>  
> Regards,
> Weidong
> 
>   _____  
> 
> From: Teo En Ming (Zhang Enming) [mailto:enming.teo@xxxxxxxxxxxxxxx] 
> Sent: 2009?$BG/8?$B7n25?$BF| 11:07
> To: Han, Weidong
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx; 'Alan Cox'
> Subject: RE: [Xen-devel] Xen Paravirt Operations Domain 0
> SerialConsoleProblem
> 
> 
> Dear Weidong,
>  
> I am using Xen 3.4.1 testing with pv-ops dom 0 kernels 2.6.30-rc3 or
> 2.6.31-rc6.
>  
> May I know where I can download changeset 19893 source code and patch Xen 3.
> 4.1 testing with this changeset?
>  
> Thank you.
>  
> Regards,
>  
> Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics Engineering)
> BEng(Hons)(Mechanical Engineering) 
> Technical Support Engineer 
> Information Technology Department
> Asiasoft Online Pte Ltd
> Tampines Central 1 #04-01 Tampines Plaza 
> Singapore 529541
> Republic of Singapore
> Mobile: +65-9648-9798
> MSN: teoenming@xxxxxxxxxxx
>  
> 
>   _____  
> 
> From: Han, Weidong [mailto:weidong.han@xxxxxxxxx] 
> Sent: Tuesday, August 25, 2009 11:03 AM
> To: 'enming.teo@xxxxxxxxxxxxxxx'
> Cc: 'xen-devel@xxxxxxxxxxxxxxxxxxx'; 'Alan Cox'
> Subject: RE: [Xen-devel] Xen Paravirt Operations Domain 0
> SerialConsoleProblem
> 
> 
> Xen 3.4.1 doesn't include the changeset 19893, so it cannot work for you.
> Basically, I use 2.6.18 dom0 with Xen 3.4, and use pv-ops dom 0 with
> xen-unstable. Anyway, you can port the c/s 19893 to your code, and try
> again.
>  
> Regards,
> Weidong
> 
>   _____  
> 
> From: Teo En Ming (Zhang Enming) [mailto:enming.teo@xxxxxxxxxxxxxxx] 
> Sent: 2009?$BG/8?$B7n25?$BF| 10:50
> To: enming.teo@xxxxxxxxxxxxxxx; Han, Weidong
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx; 'Alan Cox'
> Subject: RE: [Xen-devel] Xen Paravirt Operations Domain 0 Serial
> ConsoleProblem
> 
> 
> Hi Weidong,
>  
> I can confirm that I am using Xen 3.4.1 with changeset of 6 August 2009.
> However, I can't remember the changeset number. I need to get home after
> work to find out.
>  
> Regards,
>  
> Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics Engineering)
> BEng(Hons)(Mechanical Engineering) 
> Technical Support Engineer 
> Information Technology Department
> Asiasoft Online Pte Ltd
> Tampines Central 1 #04-01 Tampines Plaza 
> Singapore 529541
> Republic of Singapore
> Mobile: +65-9648-9798
> MSN: teoenming@xxxxxxxxxxx
>  
> 
>   _____  
> 
> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-devel-bounces@lists.
> xensource.com] On Behalf Of Teo En Ming (Zhang Enming)
> Sent: Tuesday, August 25, 2009 10:41 AM
> To: weidong.han@xxxxxxxxx
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx; 'Alan Cox'
> Subject: RE: [Xen-devel] Xen Paravirt Operations Domain 0 Serial
> ConsoleProblem
> 
> 
> Hi Weidong,
>  
> I believe I am using Xen 3.4.1 with changeset of 6 August 2009. I can't
> remember the changeset number. I will check and get back to you later.
>  
> Thank you.
>  
> Regards,
>  
> Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics Engineering)
> BEng(Hons)(Mechanical Engineering) 
> Technical Support Engineer 
> Information Technology Department
> Asiasoft Online Pte Ltd
> Tampines Central 1 #04-01 Tampines Plaza 
> Singapore 529541
> Republic of Singapore
> Mobile: +65-9648-9798
> MSN: teoenming@xxxxxxxxxxx
>  
> 
>   _____  
> 
> From: Han, Weidong [mailto:weidong.han@xxxxxxxxx] 
> Sent: Tuesday, August 25, 2009 10:04 AM
> To: 'enming.teo@xxxxxxxxxxxxxxx'
> Cc: 'pasik@xxxxxx'; 'xen-devel@xxxxxxxxxxxxxxxxxxx'; 'Alan Cox'
> Subject: RE: [Xen-devel] Xen Paravirt Operations Domain 0 Serial
> ConsoleProblem
> 
> 
> What version of Xen are you using? Make sure after c/s 19893, which enables
> pci-stub to hide devices for assignment.
>  
> It works fine for me.
>  
>  > When I tried to "cat /sys/bus/pci/drivers/pci-stub/new_id", it says
> permission denied
> It doesn't matter. It is the same to pciback. You will get the same message
> when you do "cat /sys/bus/pci/drivers/pciback/new_id".
>  
> After use commands to hide 01:00.0 with pci-stub, can you see it use command
> 'ls /sys/bus/pci/drivers/pci-stub/'?
>  
>  
> Regards,
> Weidong
>  
> 
> 
>   _____  
> 
> From: Mr. Teo En Ming (Zhang Enming) [mailto:enming.teo@xxxxxxxxxxxxxxx] 
> Sent: 2009?$BG/8?$B7n25?$BF| 3:33
> To: enming.teo@xxxxxxxxxxxxxxx
> Cc: pasik@xxxxxx; xen-devel@xxxxxxxxxxxxxxxxxxx; Alan Cox; Han, Weidong
> Subject: Re: [Xen-devel] Xen Paravirt Operations Domain 0 Serial Console
> Problem
> 
> 
> I find that following the instructions here at Xen Wiki VtdHowTo don't work:
> 
> 
> 
> Binding Devices to pci-stub
> 
> If using pv-ops dom0, also can use pci-stub to hide devices for assignment
> (example PCI device 01:00.0) * lspci -n * locate the entry for device 01:00.
> 0 and note down the vendor & device ID 8086:10b9 . 
> 
> ...
> 
> 01:00.0 0200: 8086:10b9 (rev 06)
> 
> ...
> 
> 
> * then use following commands to hide it: . 
> 
> echo "8086 10b9" > /sys/bus/pci/drivers/pci-stub/new_id
> 
> echo "0000:01:00.0" > /sys/bus/pci/devices/0000:01:00.0/driver/unbind
> 
> echo "0000:01:00.0" > /sys/bus/pci/drivers/pci-stub/bind
> 
> 
> 
> When I tried to "cat /sys/bus/pci/drivers/pci-stub/new_id", it says
> permission denied.
> 
> 
> 
> My NVIDIA graphics card is using BDF 01:00.0. When I change directory to 
> 
> /sys/bus/pci/devices/0000:01:00.0/, sub-directory driver is not found at
> all.
> 
> 
> 
> Then when I put in pci = [ '01:00.0' ] for the Windows XP Home HVM config,
> it complains about pciback but I am using paravirt-ops dom 0 kernel.
> 
> 
> 
> And when I tried the "xm pci-list-assignable-devices", nothing shows up.
> 
> 
> 
> I have already specified iommu=1 in grub.
> 
> 
> 
> Hope the Intel folks can assist in this matter.
> 
> 
> -- 
> 
> Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics Engineering)
> BEng(Hons)(Mechanical Engineering) 
> 
> Technical Support Engineer 
> 
> Information Technology Department
> 
> Asiasoft Online Pte Ltd
> 
> Tampines Central 1 #04-01 Tampines Plaza 
> 
> Singapore 529541
> 
> Republic of Singapore
> 
> Mobile: +65-9648-9798
> 
> MSN: teoenming@xxxxxxxxxxx
> 
> Alma Maters: Singapore Polytechnic, National University of Singapore
> 
> 
> On 08/25/2009 03:23 AM, Mr. Teo En Ming (Zhang Enming) wrote: 
> 
> I have both the onboard Intel GMA 4500 and the PCI Express x16 NVIDIA
> Geforce 8400 GS. 
> 
> Ng Beng Heng at the University of Michigan has done it. He's using the same
> Intel DQ45CB as me. 
> 
> 
> 
> 
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> 
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> 

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