Xen project Mailing List

Re: [Xen-devel] VGA passthrough is not working

From: Maxim Gordeev <m.gordeev@xxxxxxxxxxxxx>

Date: Mon, 16 Jun 2014 14:01:35 +0400

Delivery-date: Mon, 16 Jun 2014 10:01:15 +0000

List-id: Xen developer discussion <xen-devel.lists.xen.org>

Hi! I find some message into dmesg: pci 0000:00:05.0: BAR 1: can't assign mem pref (size 0x100000000) [ 0.910157] pci 0000:00:05.0: BAR 1: trying firmware assignment [mem 0x100000000-0x1ffffffff 64bit pref] [ 0.910162] pci 0000:00:05.0: BAR 1: assigned [mem 0x100000000-0x1ffffffff 64bit pref] This issue when I use VM whit the next parametÑr: device_model_version = "qemu-xen" And lspci -s 00:05.0 -vvv : Subsystem: NVIDIA Corporation Device 097e Physical Slot: 5 ... Region 0: Memory at 85000000 (32-bit, non-prefetchable) [size=16M] Region 1: Memory at 100000000 (64-bit, prefetchable) [size=4G] Region 3: Memory at 82000000 (64-bit, prefetchable) [size=32M] Do you help me? Regards! 16.06.2014 10:47, Maxim Gordeev ÐÐÑÐÑ: > OK! > > Do you help me? > > 11.06.2014 18:16, Konrad Rzeszutek Wilk ÐÐÑÐÑ: >> On Wed, Jun 11, 2014 at 05:40:04PM +0400, Maxim Gordeev wrote: >>> <html> >> Yuck. HTML!? Please please don't do that. >> >>> <head> >>> <meta content="text/html; charset=ISO-8859-1" >>> http-equiv="Content-Type"> >>> </head> >>> <body bgcolor="#FFFFFF" text="#000000"> >>> I try build and compile xen 4.4:  >>> ./configure --with-system-qemu=x86_64-softmmu  >>> Use config VM:  >>> device_model_version =  >>> >>> "qemu-xen"                                    >>>  >>> device_model_override = "/usr/local/bin/qemu-system-x86_64"  >>>  >>> It didn't yield result.  >>> <div class="moz-cite-prefix">11.06.2014 15:28, Maxim Gordeev >>> пишет:  >>> </div> >>> <blockquote cite="mid:53983D5E.3040702@xxxxxxxxxxxxx" type="cite"> >>> <meta http-equiv="Content-Type" content="text/html; >>> charset=ISO-8859-1"> >>> I do not apply a patches...  >>>  >>> <div class="moz-cite-prefix">11.06.2014 13:40, Maxim Gordeev >>> пишет:  >>> </div> >>> <blockquote cite="mid:53982401.5070007@xxxxxxxxxxxxx" type="cite"> >>> Hi!  >>>  >>> Thanks for your answer!  >>>  >>> 1. Version Xen: >>> <blockquote type="cite">(XEN) Xen version 4.4.1-pre (gcc (Debian >>> 4.8.3-2) 4.8.3) debug=n Tue Jun 10 08:25:03 CDT 2014  >>> </blockquote> >>> 2. Kernel:  >>> <blockquote type="cite">Linux hv2 3.14-1-amd64 #1 SMP Debian >>> 3.14.4-1 (2014-05-13) x86_64 GNU/Linux  >>> </blockquote> >>>  >>>  >>> Variant using :  >>>  >>> A). Config file my VM:  >>> <blockquote type="cite">device_model_version =  >>> "qemu-xen-traditional"  >>> device_model_override = "/usr/local/lib/xen/bin/qemu-dm"  >>> </blockquote> >>> A.1) Trouble in VM(use conf file VM >>> 3):  >>>     VM is not starting!  >>> <blockquote type="cite">register_real_device: Real physical >>> device 03:00.0 registered successfuly!  >>> IRQ type = INTx  >>> pt_pci_write_config: [00:05:0] Warning: Guest attempt to set >>> address to unused Base Address Register. >>> [Offset:14h][Length:4]  >>> pt_pci_write_config: Internal error: Invalid write emulation >>> return value[-1]. I/O emulator exit.  >>> </blockquote> >>>  >>> OR  >>>  >>>  >>> B) Config my VM:  >>> <blockquote type="cite">device_model_version =  "qemu-xen"  >>> </blockquote> >>> B.1)  >>> My VM is starting! %) But It have a problem...  >>> Please, look at attach file.  >>>  >>> qemu-dm file is have size 5.1Mb. Are you sure attaching file in >>> here?  >>>  >>> nvidia card into VM:  Region 1: Memory at 100000000 (64-bit, >>> prefetchable) [size=4G]  >>> nvidia card into DOM0: Region 1: Memory at 5800000000 (64-bit, >>> prefetchable) [size=16G]  >>>  >>> Why? Where 12G was lost?  >> If you included the logs that I asked I could help you a bit to >> figure that out. You can also stash them on web-server and point us to it. >> Or compress them and send them here >> >>>  >>>  >>>  >>> I try use memory for VM == 1G... there's no difference at all  >>>  >>> <div class="moz-cite-prefix">10.06.2014 16:58, Konrad Rzeszutek >>> Wilk пишет:  >>> </div> >>> <blockquote >>> cite="mid:20140610125855.GA28932@xxxxxxxxxxxxxxxxxxx" >>> type="cite"> >>> <pre wrap="">On Tue, Jun 10, 2014 at 01:10:01PM +0400, Maxim >>> Gordeev wrote: >>> </pre> >>> <blockquote type="cite"> >>> <pre wrap="">Sorry, Xen don`t map memory BAR1 when I use >>> "qemu-dm" or >>> "qemu-xen-traditional"... >>> </pre> >>> </blockquote> >>> <pre wrap="">Could you attach your qemu-dm files, the lspci -vvv >>> from dom0 and >>> from the guest. >>> >>> Does it work if you use less memory? Say mem=2G? >>> >>> </pre> >>> <blockquote type="cite"> >>> <pre wrap="">10.06.2014 10:56, Maxim Gordeev >>> пишет: >>> </pre> >>> <blockquote type="cite"> >>> <pre wrap="">Hi! >>> >>> Thanks for your answer! >>> >>> I tried starting my VM with device_model_version = "qemu-xen. >>> VM is working, but I don`t see NVIDIA in list pci devices... >>> >>> This is output message of command "xl create:" >>> </pre> >>> <blockquote type="cite"> >>> <pre wrap="">Hi! >>> >>> Thanks for your answer! >>> >>> I tried starting my VM with device_model_version = "qemu-xen. >>> VM is working, but I don`t see NVIDIA in list pci devices... >>> >>> This is output message of command xl create: >>> </pre> >>> </blockquote> >>> <pre wrap="">dmesg: >>> </pre> >>> <blockquote type="cite"> >>> <pre wrap="">[81234.316270] xen_pciback: vpci: >>> 0000:03:00.0: assign to virtual slot 0 >>> </pre> >>> </blockquote> >>> <pre wrap="">It is All. >>> >>> Maybe I will try use this parameter in Xen 4.3? >>> >>> 09.06.2014 16:48, Gordan Bobic пишет: >>> </pre> >>> <blockquote type="cite"> >>> <pre wrap="">Yes, I think so. I have a sneaky suspicion >>> that qemu cannot handle >>> BARs over a certain size. Have you tried with >>> device_model_version = "qemu-xen" >>> instead of qemu-xen-traditional ? >>> >>> On 06/09/2014 01:42 PM, Maxim Gordeev wrote: >>> </pre> >>> <blockquote type="cite"> >>> <pre wrap="">Do you understand me? :) >>> >>> I can give you logs! >>> 09.06.2014 16:40, Maxim Gordeev пишет: >>> </pre> >>> <blockquote type="cite"> >>> <pre wrap="">no, no. >>> With 4.3 is bad work! With 4.4 is do not starting. >>> I see into lspci: BAR1 is not possible assignment. With 4.3 can not >>> maping BAR1. >>> Thanks! >>> >>> 09.06.2014 16:29, Gordan Bobic пишет: >>> </pre> >>> <blockquote type="cite"> >>> <pre wrap="">On 06/09/2014 01:21 PM, Maxim Gordeev >>> wrote: >>> </pre> >>> <blockquote type="cite"> >>> <pre wrap="">16Gb this is BAR1. >>> This is example my VM config: >>> </pre> >>> <blockquote type="cite"> >>> <pre wrap="">/builder='hvm'// >>> //memory = 16000// >>> //name = "xen-hvm-cheap1"// >>> //vcpus=8// >>> //acpi=0// >>> //disk = [ // >>> //// '<a moz-do-not-send="true" class="moz-txt-link-freetext" >>> href="file:/opt/VM/cheap1_glinux-1.img,hda,w%27,//">file:/opt/VM/cheap1_glinux-1.img,hda,w',//</a> >>> // '<a moz-do-not-send="true" class="moz-txt-link-freetext" >>> href="file:/opt/VM/cheap1_glinux-2.img,hdb,w%27//">file:/opt/VM/cheap1_glinux-2.img,hdb,w'//</a> >>> // ]// >>> // xen_platform_pci = 1// >>> //on_poweroff = 'destroy'// >>> //on_reboot = 'restart'// >>> //on_crash = 'restart'// >>> //device_model_version = 'qemu-xen-traditional'// >>> //boot="c"// >>> //vnc=1// >>> //vnclisten="0.0.0.0"// >>> //vncdisplay=1// >>> //vncunused=1// >>> //vncpasswd=''// >>> //stdvga=0// >>> //serial='pty'// >>> //monitor=1// >>> //gfx_passthru=0// >>> //pci=['03:00.0' ] / >>> </pre> >>> </blockquote> >>> <pre wrap="">Xen 4.3 start this VM, but Xen 4.4 is >>> not starting VM. >>> </pre> >>> </blockquote> >>> <pre wrap="">So you are saying that this works fine >>> with 4.3 but breaks with 4.4? >>> >>> Gordan >>> >>> _______________________________________________ >>> Xen-devel mailing list >>> <a moz-do-not-send="true" class="moz-txt-link-abbreviated" >>> href="mailto:Xen-devel@xxxxxxxxxxxxx";>Xen-devel@xxxxxxxxxxxxx</a> >>> <a moz-do-not-send="true" class="moz-txt-link-freetext" >>> href="http://lists.xen.org/xen-devel";>http://lists.xen.org/xen-devel</a> >>> </pre> >>> </blockquote> >>> </blockquote> >>> </blockquote> >>> <pre wrap="">_______________________________________________ >>> Xen-devel mailing list >>> <a moz-do-not-send="true" class="moz-txt-link-abbreviated" >>> href="mailto:Xen-devel@xxxxxxxxxxxxx";>Xen-devel@xxxxxxxxxxxxx</a> >>> <a moz-do-not-send="true" class="moz-txt-link-freetext" >>> href="http://lists.xen.org/xen-devel";>http://lists.xen.org/xen-devel</a> >>> </pre> >>> </blockquote> >>> </blockquote> >>> <pre wrap="">_______________________________________________ >>> Xen-devel mailing list >>> <a moz-do-not-send="true" class="moz-txt-link-abbreviated" >>> href="mailto:Xen-devel@xxxxxxxxxxxxx";>Xen-devel@xxxxxxxxxxxxx</a> >>> <a moz-do-not-send="true" class="moz-txt-link-freetext" >>> href="http://lists.xen.org/xen-devel";>http://lists.xen.org/xen-devel</a> >>> </pre> >>> </blockquote> >>> </blockquote> >>>  >>>  >>> <fieldset class="mimeAttachmentHeader"></fieldset> >>>  >>> <pre wrap="">_______________________________________________ >>> Xen-devel mailing list >>> <a moz-do-not-send="true" class="moz-txt-link-abbreviated" >>> href="mailto:Xen-devel@xxxxxxxxxxxxx";>Xen-devel@xxxxxxxxxxxxx</a> >>> <a moz-do-not-send="true" class="moz-txt-link-freetext" >>> href="http://lists.xen.org/xen-devel";>http://lists.xen.org/xen-devel</a> >>> </pre> >>> </blockquote> >>>  >>> </blockquote> >>>  >>> </body> >>> </html> >>> >>> _______________________________________________ >>> Xen-devel mailing list >>> Xen-devel@xxxxxxxxxxxxx >>> http://lists.xen.org/xen-devel > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxx > http://lists.xen.org/xen-devel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel

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