Xen project Mailing List

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

To: Maxim Gordeev <m.gordeev@xxxxxxxxxxxxx>

From: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

Date: Wed, 11 Jun 2014 10:16:24 -0400

Delivery-date: Wed, 11 Jun 2014 14:16:33 +0000

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

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

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