[vfio-users] Cannot fix Error 43 for GTX 680 passed through to win 10 guest

[root at yoshi.dynu.com]

Hi, thanks for your answer .

Can you provide a link to the thread you are speaking of?

Would it be safe to use even the latest driver then?

Cheers

Am , schrieb Blank Field:
> Try spoofing hyper-v hw vendor id as noted in a neighbor thread. It
> fools the nvidia driver and it doesn't disable itself since it can't
> detect if it runs inside a VM.
> On Oct 5, 2015 6:55 AM, <root at yoshi.dynu.com> wrote:
> 
>> Hi vifo-users,
>> 
>> i really hope you can help me with this task.
>> 
>> I run Arch linux as a host with two guest VMs on it.
>> 
>> My machine:
>> Intel Xeon X5650
>> Sapphire Pure Black X58
>> 24 GB Ram DDR3
>> Nvidia GT 210 (host)
>> Nvidia GT 9600 (reserved for guest)
>> Nvidia GTX 680 (reserved for guest)
>> 
>> I use qemu 2.4.5 and linux-vfio-lts kernel 4.1.9-1
>> 
>> kernel flags:
>> 
>> intel_iommu=on vfio-pci.ids=10de:1180,10de:0622,8086:3a3e
>> intel_iommu=verbose pcie_acs_override=downstream
>> i915.enable_hd_vgaarb=1
>> 
>> i run the Win10-Vm like this:
>> 
>> sudo qemu-system-x86_64 -enable-kvm -M q35 -m 8192 -cpu host,kvm=off
>> \
>> -smp 4,sockets=1,cores=2,threads=2 \
>> -boot d \
>> -drive
>> file=Downloads/Win10_German_x64.iso,if=ide,index=1,media=cdrom \
>> -drive file=Downloads/virtio-win.iso,if=ide,index=2,media=cdrom \
>> -drive file=testII.img,if=virtio \
>> -device
>> 
> ioh3420,bus=pcie.0,addr=1c.0,multifunction=on,port=1,chassis=1,id=rootbus
>> \
>> -device
>> 
> vfio-pci,host=05:00.0,bus=rootbus,addr=00.0,multifunction=on,x-vga=on
>> \
>> -device vfio-pci,host=00:1b.0,bus=rootbus,addr=00.1 \
>> -usbdevice host:046d:c52b \
>> -usbdevice host:045e:0291 \
>> -vga none -vnc :5 -monitor stdio
>> 
>> where 05:00.0 is the GTX 680 and 00:1b.0 is my onboard ALC 892 sound
>> card.
>> 
>> As soon as i install the nvidia drivers i get a code 43 for the
>> card. I disabled the autoupdate of the drivers since windows
>> installed 355.xx drivers over the installed 377.88 drivers (i read
>> that there are problems with the newer ones).
>> 
>> What bugs me most is that it run correctly for a while (valley
>> benchmark and even GTA 5 run flawlessly) and then broke again
>> unfixable.
>> 
>> I also reinstalled windows (many times), tried different
>> configurations, but nothing brought the GTX 680 back to life.
>> 
>> What i tried (and remember) so far:
>> 
>> q35/440fx machine -> code 43
>> adding the card directly to pcie.0-bus -> code 43
>> adding a emulated gpu as primary gpu -> no screen on connected
>> monitor, code 43
>> flashed a uefi-compatible Bios on the card and tried OVMF -> no
>> screen
>> 
>> Let me know if you need any more information.
>> 
>> I really hope you can help me to get it to work (again... this
>> bothers me most of all.. that it worked and then broke out of
>> nothing...)
>> 
>> Cheers
>> 
>> _______________________________________________
>> vfio-users mailing list
>> vfio-users at redhat.com
>> https://www.redhat.com/mailman/listinfo/vfio-users [1]
> 
> 
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