Re: [Xen-devel] Re: graphics passthrough with VT-d

["Mr. Teo En Ming (Zhang Enming)" <enming.teo@xxxxxxxxxxxxxxx>]

Hi Guys,

Do you have any success after applying Weidong's gfx passthrough and 1:1 
bar mapping patches to xen-unstable?
--
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
Company Website: http://www.asiasoft.sg/
Mobile: +65-9648-9798
MSN: teoenming@xxxxxxxxxxx
Alma Maters: Singapore Polytechnic, National University of Singapore



On 09/01/2009 01:18 AM, Keir Fraser wrote:
> This is probably due to c/s 20137 and now fixed by c/s 20141.
>
>   Thanks,
>   Keir
>
> On 31/08/2009 18:03, "djmagee@xxxxxxxxxxxx"<djmagee@xxxxxxxxxxxx>  wrote:
>
>    
> > I had the same problem with unpatched xen-unstable that was up-to-date
> > this morning.  This was simply in trying to pass through a usb
> > controller, to test xen-unstable before I went ahead and applied the gfx
> > passthrough patches.
> >
> > This seems like a bug in xen-unstable.
> >
> > -----Original Message-----
> > From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
> > [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Christian
> > Tramnitz
> > Sent: Monday, August 31, 2009 12:48 PM
> > To: xen-devel@xxxxxxxxxxxxxxxxxxx
> > Subject: [Xen-devel] Re: graphics passthrough with VT-d
> >
> > I took a snapshot from xen-unstable and applied those patches.
> > However when trying to create a HVM domU the following error comes up:
> > # xm create test2.xm
> > Error: local variable 'str' referenced before assignment
> > Using config file "/etc/xen/test2.xm".
> >
> > And xend-debug.log gives some more info:
> > [2009-08-31 18:10:23 6189] DEBUG (XendDomainInfo:99)
> > XendDomainInfo.create(['vm', ['name', 'TEST2'], ['memory', 4096],
> > ['vcpus', 8], ['on_xend_start', 'ignore'], ['on_xend_stop', 'ignore'],
> > ['uuid', '06ed00ff-1162-4fc4-b5d8-11993ee4a8c0'], ['image', ['hvm',
> > ['kernel', '/usr/lib/xen/boot/hvmloader'], ['videoram', 4],
> > ['device_model', '/usr/lib/xen/bin/qemu-dm'], ['pae', 1], ['vcpus', 8],
> > ['boot', 'c'], ['fda', ''], ['fdb', ''], ['timer_mode', 1],
> > ['localtime', 0], ['serial', ''], ['stdvga', 0], ['isa', 0],
> > ['nographic', 0], ['soundhw', ''], ['vncunused', 1], ['display',
> > ':0.0'], ['xauthority', '/root/.xauthPdEBhy'], ['rtc_timeoffset', 0],
> > ['monitor', 0], ['acpi', 1], ['apic', 1], ['usb', 0], ['usbdevice', ''],
> > ['keymap', ''], ['pci', [['0x0000', '0x03', '0x00', '0x0', '0x100', [],
> > '03:00.0']]], ['hpet', 0], ['guest_os_type', 'default'], ['hap', 1],
> > ['cpuid', []], ['cpuid_check', []], ['viridian', 0],
> > ['pci_msitranslate', 1], ['vpt_align', 1], ['pci_power_mgmt', 0],
> > ['xen_platform_pci', 1], ['gfx_passthru', 2]]], ['s3_integrity', 1],
> > ['device', ['vbd', ['uname', 'phy:vgtest/test2'], ['dev', 'xvda'],
> > ['mode', 'w']]], ['device', ['pci', ['dev', ['slot', '0x00'], ['domain',
> > '0x0000'], ['key', '03:00.0'], ['bus', '0x03'], ['vdevfn', '0x100'],
> > ['func', '0x0']]]], ['device', ['vif', ['bridge', 'eth0'], ['mac',
> > '00:16:3e:00:00:22'], ['type', 'netfront']]]])
> > [2009-08-31 18:10:23 6189] DEBUG (XendDomainInfo:2366)
> > XendDomainInfo.constructDomain
> > [2009-08-31 18:10:23 6189] DEBUG (balloon:181) Balloon: 4101688 KiB
> > free; need 4096; done.
> > [2009-08-31 18:10:23 6189] ERROR (XendDomainInfo:467) VM start failed
> > Traceback (most recent call last):
> >    File "/usr/lib/python2.6/site-packages/xen/xend/XendDomainInfo.py",
> > line 452, in start
> >      XendTask.log_progress(0, 30, self._constructDomain)
> >    File "/usr/lib/python2.6/site-packages/xen/xend/XendTask.py", line
> > 209, in log_progress
> >      retval = func(*args, **kwds)
> >    File "/usr/lib/python2.6/site-packages/xen/xend/XendDomainInfo.py",
> > line 2470, in _constructDomain
> >      pci_str = str(pci)
> > UnboundLocalError: local variable 'str' referenced before assignment
> >
> >
> > Is this error related to the patches or is something else broken? I have
> > to admit that I've not been using xen-unstable for some time, only
> > release-3.4.1 and recently Xenclient, so I don't know if this is also a
> > problem on unpatched xen-unstable.
> > The error disappears when I omit the "pci=" line, but obviously this is
> > not a good scenario to test gfx passthrough ;-)
> >
> >
> > My config file for the test-domU:
> > kernel = "/usr/lib/xen/boot/hvmloader"
> > builder='hvm'
> > memory = 4096
> > name = "TEST2"
> > vcpus=8
> > vif = [ 'type=netfront, mac=00:16:3e:ff:ff:22, bridge=eth0' ]
> > disk = [ 'phy:vgtest/test2,xvda,w' ]
> > #viridian = 1
> > device_model = '/usr/lib/xen/bin/qemu-dm'
> > #boot="cd"
> > #sdl=0
> > #opengl=0
> > #vnc=1
> > #vnclisten="127.0.0.1"
> > #vncdisplay=1
> > #vncpasswd=''
> > #stdvga=0
> > gfx_passthru=2
> > pci=['03:00.0']
> >
> >
> > Thanks,
> >     Christian
> >
> >
> > Han, Weidong wrote:
> >      
> > > Teo,
> > >
> > > I attached some experimental patches for you to try to sthorugh
> > >        
> > Geforce
> >      
> > > 8400 GS.
> > >
> > > Based on my patches posted last Friday, pls follow below instructions:
> > > 1. apply xen-load-vbios-file.patch to xen-unstable.hg
> > >      this patch supports to load vga bios from a file.
> > > 2. apply xen-vBAR-pBAR.patch to xen-unstable.hg
> > >      this patch is used to 1:1 map between vBAR and pBAR
> > > 3. apply qemu-change-for-vBAR-pBAR.patch to ioemu-remote (qemu tree).
> > >      this patch is used to 1:1 map between vBAR and pBAR on qemu side
> > > 4. apply qemu-claim-cycle-for-secondary-gfx-passthrough.patch
> > >      it's needed if you want to assign the secondary gfx to guest.
> > > 5. cd xen-unstable.hg
> > > 6. make clean
> > > 7. copy the vga bios file to
> > > xen-unstabl.hg/tools/firmware/vgabios/vgabios-pt.bin
> > > 8. make; make install
> > > 9. reboot the system. or xend restart. then passthrough gfx to guest
> > >        
> > ...
> >      
> > > Regards,
> > > Weidong
> > >        
> > _______________________________________________
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> > http://lists.xensource.com/xen-devel
> >
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> >      
>
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>    



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