** Also affects: v4l2loopback (Ubuntu)
Importance: Undecided
Status: New
** Changed in: v4l2loopback (Ubuntu)
Status: New => Confirmed
** No longer affects: linux (Ubuntu)
** Summary changed:
- Call trace from __video_do_ioctl
+ Call trace from __video_do_ioctl on focal
--
Ok, it's a bug in v4l2loopback:
https://github.com/umlaeute/v4l2loopback/commit/10b1c7e6bda4255fdfaa187ce2b3be13433416d2
** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to
Argh, why did Firefox keep the contents of comment #6 in the edit box?
Ignore comment #7, the relevant part is
And I have since retired the AMD A10 system, same behaviour on
[ 6442.968740] CPU: 0 PID: 45180 Comm: v4l_id Tainted: G W OE 5.4.0-33-generic
#37-Ubuntu
[ 6442.968741] Hardware name:
Same, happens on loading the v4l2loopback module:
[ 1039.168432] v4l2loopback driver version 0.12.3 loaded
[ 1039.172977] [ cut here ]
[ 1039.172994] WARNING: CPU: 3 PID: 8520 at
drivers/media/v4l2-core/v4l2-ioctl.c:1064 v4l_querycap+0x8b/0xa0 [videodev]
[ 1039.172995]
Same, happens on loading the v4l2loopback module:
[ 1039.168432] v4l2loopback driver version 0.12.3 loaded
[ 1039.172977] [ cut here ]
[ 1039.172994] WARNING: CPU: 3 PID: 8520 at
drivers/media/v4l2-core/v4l2-ioctl.c:1064 v4l_querycap+0x8b/0xa0 [videodev]
[ 1039.172995]
Can you please try linux-generic kernel instead of linux-lowlatency?
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1878899
Title:
Call trace from __video_do_ioctl
To manage notifications about
Bus 008 Device 015: ID 046d:08af Logitech, Inc. QuickCam Easy/Cool
Bus 008 Device 013: ID 046d:0892 Logitech, Inc. OrbiCam
Both used by OBS Studio, which then sent its output to a v4l2loobback
device, module parameters:
/sbin/modprobe v4l2loopback devices=1 video_nr=10 card_label="OBS Cam"
Which camera was in use?
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1878899
Title:
Call trace from __video_do_ioctl
To
