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Re: [vfio-users] [Virt-Manager]Unable to install Nvidia driver (crash during installation)



Does the vendor ID need to be exactly 12 characters to work reliably?  I believe I've been using nvidia43fix as mine, and had unreliable results.  ~75% of the time my VM boots with code 43.

On Fri, Jun 17, 2016 at 10:30 AM, Alex Williamson <alex l williamson gmail com> wrote:
On Fri, Jun 17, 2016 at 3:57 AM, Berillions <berillions gmail com> wrote:
Hi,

I have a big problem when i want to install the Nvidia driver on my Windows 10 VM.
The VM's creation and installation of Windows 10 is correct. I can use it without problem.

But during the installation of Nvidia driver, I have a BSOD with this error message :
SYSTEM_THREAD_EXCEPTION_NOT_HANDLED
but KVM is hidden in my .xml (see pastebin)

I give you the pastebin which have these informations :
- Boot kernel line
- How i install Win10 on the VM
- Graphic card
- Libvirt xml

http://pastebin.com/rXsW3PyY

a) Add a modprobe.d entry to add the ignore_msrs options to kvm, ex:

# cat /etc/modprobe.d/local.conf 
options kvm ignore_msrs=1

b) Hiding kvm is not enough, you also need to mask hyper-v extensions to avoid a code43.  Add within the <hyperv> section:

<vendor_id state='on' value='0123456789ab'/>

(or some other random 12-char string)

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