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

[Blank Field]

I am mobile atm, but the thread has the following string in topic:
[vfio-users] cpu core pinning with multiple cpus
On Oct 5, 2015 2:24 PM, <root at yoshi.dynu.com> wrote:

> 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]
>>>
>>
>>
>> Links:
>> ------
>> [1] https://www.redhat.com/mailman/listinfo/vfio-users
>>
>
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