about your question if the bsod also happens on shutdown, i have
to deny it. it just happens after an msi message in kernel log on
rebooting the vm.
(but the msi message is also there on initial boot where the system
works perfectly)
in my oppinion at the moment when the video driver is loaded.
Am 27.09.2012 22:46, schrieb Alex Williamson:
On Thu, 2012-09-27 at 21:37 +0200, Martin Wolf wrote:
when will that support be implemented?
how do i enable debug support for the "pci-assign" driver?
I believe the target is qemu 1.3 for q35. Debug is enabled by
uncommenting the DEVICE_ASSIGNMENT_DEBUG define in hw/kvm/pci-assign.c
(or hw/device-assignment.c on qemu-kvm in an older tree) and rebuilding.
Thanks,
Alex
Am 27.09.2012 21:18, schrieb Alex Williamson:
On Thu, 2012-09-27 at 20:43 +0200, Martin Wolf wrote:
thank you for the information.
i will try what you mentioned...
do you have some additional information about rebooting a VM with a
passed through videocard?
(amd / ati 7870)
I don't. Is the bsod on reboot only or does it also happen on shutdown?
There's a slim chance it could be traced by enabling debug in the
pci-assign driver and analyzing what the guest driver is trying to do.
I'm hoping that q35 chipset support might resolve some issues with vga
assignment as it exposes a topology that looks a bit more like one that
a driver would expect on physical hardware. Thanks,
Alex
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