I've been running into a problem with motion..
Jul 28 17:04:53 machine motion:  v4l2_next: VIDIOC_DQBUF: Invalid
Jul 28 17:04:53 machine motion:  Video device fatal error - Closing
Jul 28 17:04:53 machine motion:  Closing video device /dev/video2
After which the machine is not responsive (even to sysrq keys) and
requires a hard reboot.
I've got motion 3.2.11 installed from source, and ffmpeg is from
I've searched and found some mention of this.. but they are old
discussions and no mention of such a hard crash.
Any help or suggestions are appreciated.