Hey Tony
That sounds to me like the a kernel driver is attaching to the device
and thus Virtualbox cannot do that anymore.
There is a blacklisting capability but I have never done that or know
how exactly that works, or if it helps in this situation.
It should be comparable to bhyve passthrough setups where a Host OS
driver already attaches. And I know there are guides there for that. but
you might ask best on IRC about specifically Virtualbox passthrough. As
we have new facilities to achieve such a passthrough.
I also remember this issue being solved once before. So you may also
want to search the archives.
-Till
On 07.01.21 11:53, Tony Brian Albers wrote:
Hi guys,
I'm trying to get my webcam to work in a vbox guest (to use zoom), but
even though it seems to be present in the VM, cheese, zoom and qv4l2
only shows a blank screen. The video device is there though.
On the host I see:
messages:Jan 7 15:46:00 emu usba: [ID 691482 kern.warning] WARNING:
/pci@0,0/pci1028,546@14 (xhci0): usb_mid2 cannot be reset due to other
applications are using it, please first close these applications, then
disconnect and reconnectthe device.
In /var/adm/messages.
I'm using virtualbox 6.1.16 r140961 with the extension pack of the same
version and guest additions. I use the webcam passthrough option under
"Devices".
The guest is SolydX64 (debian respin)
Does anyone have any ideas? I haven't been able to find any info about
this specific issue.
TIA
/tony
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