Bug#930855: udev: USB Camera seen as multiple devices

[Michael Biebl]

Control: tags -1 + moreinfo

Am 21.06.19 um 15:00 schrieb Seba Kerckhof:
> Package: udev
> Version: 241-5
> Severity: normal
> 
> Dear Maintainer,
> 
> Under Debian 10 rc1, when I plug in my USB camera (the very common logitech
> c930e), 2 devices are added (e.g. /dev/video0 and /dev/video1).
> 
> v4l-info works on /dev/video0, but fails on /dev/video1
> (VIDIOC_G_FMT(VIDEO_CAPTURE): Invalid argument). When I try to access the
> device using gstreamer it tells me that /dev/video1 is not a capture device.
> 
> In stretch I don't see this behavior.
> 
> Attached are syslog, dmesg, v4l-info for both devices, udevadm for both
> devices, lsusb, lspci.

Those devices are created by the kernel, so you might want to bring that
up with the kernel maintainers.
Any specific reasons why you filed this against the udev package?


-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: OpenPGP digital signature
URL: <http://alioth-lists.debian.net/pipermail/pkg-systemd-maintainers/attachments/20190621/2348a48e/attachment.sig>