[vfio-users] usb does not wake up after G1/S3 standby

[nicolas prochazka]

hello, and sorry for this delay answer.
Suspend / Resume does not work.
detach / attach works for usb controller, but not for the sound card

Regards,
Nicolas Prochazka

2015-12-08 18:20 GMT+01:00 nicolas prochazka <prochazka.nicolas at gmail.com>:

> Hello,
> Host : linux 4.1 / qemu 2.4
> Guest windows 8
> usb passthrough  with libvirt xml declaration :
>
> <hostdev mode='subsystem' type='pci' managed='yes'>
>       <driver name='vfio'/>
>       <source>
>         <address domain='0x0000' bus='0x00' slot='0x1b' function='0x0'/>
>       </source>
>       <alias name='hostdev0'/>
>       <address type='pci' domain='0x0000' bus='0x00' slot='0x05'
> function='0x0'/>
>     </hostdev>
>     <hostdev mode='subsystem' type='pci' managed='yes'>
>       <driver name='vfio'/>
>       <source>
>         <address domain='0x0000' bus='0x00' slot='0x1d' function='0x0'/>
>       </source>
>       <alias name='hostdev1'/>
>       <address type='pci' domain='0x0000' bus='0x00' slot='0x06'
> function='0x0'/>
>     </hostdev>
>     <hostdev mode='subsystem' type='pci' managed='yes'>
>       <driver name='vfio'/>
>       <source>
>         <address domain='0x0000' bus='0x00' slot='0x14' function='0x0'/>
>       </source>
>       <alias name='hostdev2'/>
>       <address type='pci' domain='0x0000' bus='0x00' slot='0x07'
> function='0x0'/>
>     </hostdev>
>
>
> when i do on host,
> echo mem > /sys/power/state
> and then i press power button, host and vm running as normal, except the
> usb devices are still power off.
>
> Any suggestion ?
> Regards,
> Nicolas Prochazka
>
>
>
>
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