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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-users] PCI Passthrough
Using the xm toolstack because xl is completely broken in fedora17. xen version 4.1.3-4.fc17 On Sat, Sep 29, 2012 at 1:13 PM, Casey DeLorme <cdelorme@xxxxxxxxx> wrote: > The settings for stdvga is related to the emulated graphics only, I don't > believe it has anything to do with your passed devices. Similarly, you can > (or should be able to) omit the vga_passthrough=0 line, as it defaults to 0. > > Assuming you are passing to a Windows DomU (hence code 43), have you checked > your xen log files (/var/logs/xen), also I would try running xl -vvv create > with and without both adapters to see if that maybe yields a clue. > > Also, what version of Xen did you install, and which toolstack are you using > (xm/xl)? > > On Sat, Sep 29, 2012 at 1:01 PM, David Escott > <david.escott@xxxxxxxxxxxxxxxx> wrote: >> >> Went back to what was working last night and now have the 7850 working >> but only when I pass both graphics adapters through to the domU. >> >> Hardware is >> >> MSI Z77A-G45 >> HD2600XT in PCI-Ex16 slot 1 (pci:0000:01:00:[0-1]) >> HD7850 in PCI-Ex16 slot 2 (pci:0000:02:00:[0-1]) >> >> Dom0 is Fedora 17 with kernel 3.5.4-1 and the fedora version of xen. >> vga_passthrough=0 is set >> stdvga=1 is set >> I stub out and pass both graphics adapters to domU, and then disable >> the 2600XT at which point the 7850 works, and the fake VGA Graphics >> adapter reports a code 43. >> >> If I don't pass both cards to domU then both they will report code 43. >> >> Not sure why this is, or what is going on. Looked around in the bios >> for anything related to crossfire but couldn't find anything. >> >> >> ---------------------------------------------------------------------------------------------------- >> >> This puts a dent in my current plan which was to use the system to >> support three different computers in three different rooms. Not sure >> if anyone has seen anything like this/knows what might be going on. >> >> >> >> >> On Sat, Sep 29, 2012 at 11:20 AM, Casey DeLorme <cdelorme@xxxxxxxxx> >> wrote: >> > Hello David, >> > >> > I have created a guide using Debian that can successfully reproduce VGA >> > Passthrough with AMD Radeon cards, in particular I have used an AMD >> > Radeon >> > 6870. >> > >> > If you are more familiar with Fedora, I'm sure you can translate any >> > Debain >> > specific actions to Fedora equivalents. >> > >> > http://wiki.xen.org/wiki/Comprehensive_Xen_Debian_Wheezy_PCI_Passthrough_Tutorial >> > >> > I also posted a video walk-through: >> > http://www.youtube.com/playlist?list=PLC70DC33D993CEB44&feature=view_all >> > >> > As for your current configuration, what version of Xen (4.0, 4.1.2, >> > 4.2?), >> > can you share your HVM Configuration, and are you getting any errors in >> > your >> > Xen log files or just inside of Windows? >> > >> > >> > On Sat, Sep 29, 2012 at 11:10 AM, David Escott >> > <david.escott@xxxxxxxxxxxxxxxx> wrote: >> >> >> >> I've been playing around with doing PCI passthrough of Radeon cards >> >> and have had some success. >> >> >> >> Under Fedora 17 (stock everything) I was able to passthrough an older >> >> RADEON 2600XT to a Windows7 domU. >> >> However when I try the same with a new RADEON 7850 I get a "not enough >> >> resources" error from the Windows guest. >> >> >> >> I'm not sure what the next steps are, it seems from blog postings and >> >> howtos that people are just trying things at random, and I don't >> >> understand what the debugging process is. >> >> >> >> Any advice on what the next steps are? Should I move to an OS that >> >> will have a newer XEN or is there some configuration file I should be >> >> editing? >> >> >> >> Thanks, >> >> David >> >> >> >> _______________________________________________ >> >> Xen-users mailing list >> >> Xen-users@xxxxxxxxxxxxx >> >> http://lists.xen.org/xen-users >> > >> > >> >> >> >> -- >> David Wright Escott >> A comathematician turns cotheorems into phi. > > -- David Wright Escott A comathematician turns cotheorems into phi. _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxx http://lists.xen.org/xen-users
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