[vfio-users] Unbind Vfio Passthrough = general protection fault

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Apart from the usual sysfs device inter face, you can disable cars in
windows before shutting it down: there was a software called deveject and
you can eject it device manager gui(devmgmt.msc).
On Sep 22, 2015 12:49 PM, <nahoxou at netcourrier.com> wrote:

>
>
> |Have you tried without -daemonize switch? I had issues when running with
> -daemonize. When I shutdown the VM and I |immediately start the VM again
> using the same command, it complained about the devices aren't available to
> be assigned, |forgot the real wording of it.
> |
> |Then I tried to do without -daemonize. It took quite some time from the
> display got off after issuing shutdown from inside the |VM to QEMU process
> finally exits to the Terminal again. So probably 1/10 of your attempts has
> the correct timing in |unbinding the device when it is ready to be unbinded.
> |
> |Best regards,
> |Okky Hendriansyah
>
>
> Ok now without daemonize unbind works better.  Successful 7 cycles of
> start/wait win desktop icons/stop qemu one after the other without xserver.
>
> But i get a general protection fault on the 8th attempt when i am on
> xserver.
> My xserver only use intel graphic so no trace of nvidia...
>
> Is there a way to check the card state or force card to be ready to unbind
> before unbind command?
>
> I only know vfio bind create /dev/vfio/1 file... :(
>
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>
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