[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-users] vga passthrough with amd radeon r9 285
Hi all, I posted this message to xen-users yesterday, but I haven't seen it listed in the archives, so I'm thinking it may have been lost in the ether somewhere. Trying again while subscribed to the list. Hopefully this mail makes it through... I'm trying to passthrough an AMD Radeon R9 285 to a windows domu, but so far have had no luck. dom0 is debian unstable (linux 3.16, xen 4.4.1). Though with the qemu-traditional device model removed in debian [1], gfx_passthru is currently not possible with debian-provided packages (?) 1: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=776742 As a result, I've begun to compile from source, but xen git master results in the fallowing error message: The kernel doesn't support reset from sysfs for PCI device Since the message lists the 'kernel', I thought it might have something to do with the kernel in debian. So I compiled a linux kernel (3.19.0-rc6+) from source. However I still experience the same error message. Now I'm at a loss for what to try next. The r9 285 is a relatively new gpu. In fact, there currenty is no FOSS drivers for for it (amdgpu has yet to be released). Therefore, could the non-working gfx_passthru be the result of missing bits in either the linux kernel or xen that have yet to be dropped in? Or am I just 'doing it wrong'? The fact that the r9 2xx family is listed as supported at [2] leads me to believe it's the latter. 2: http://wiki.xen.org/wiki/Xen_VGA_Passthrough_Tested_Adapters#ATI.2FAMD_display_adapters Attached should be some more information I thought to include. Let me know if you need anything else. Attachment:
xl.dmesg Attachment:
dom0.dmesg Attachment:
lspci.tongapro Attachment:
xldomu-windows7 Attachment:
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