Re: PCI passthrough of XHCI on Framework AMD crashes the host

["Tu Dinh" <ngoc-tu.dinh@xxxxxxxxxx>]

On 23/07/2025 15:10, Marek Marczykowski-Górecki wrote:
> On Wed, Jul 23, 2025 at 12:55:53PM +0000, Tu Dinh wrote

[...]

>> I had a similar problem with a Beelink mini PC with the Ryzen 5800U
>> after a recent Qubes upgrade.
>>
>> If the USB controller is passed through to sys-usb then the system
>> simply resets without warning.
>
> Do you know if that happens also when no USB devices are connected at
> that time? There could be more reasons for similar issue, and a common
> one I've seen is dom0 kernel panic on unbind operation (which would be a
> different issue than the one I have here).
>

I had an USB mouse and keyboard connected at the time to control the PC.
I don't think it was dom0 kernel panic, no combination of reboot= or
panic= in the Xen and dom0 command line managed to stop the reboot.


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