I just discovered this on my Ubuntu 19.10 system. Mine was caused by booting a VirtualBox windows VM that automatically attaches the camera when it's detected.
This bug was reported 9 years ago. NINE YEARS. Still unassigned, importance undecided. What's going on, folks? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/811604 Title: uvcdynctrl spams uvcdynctrl-udev.log and fills up filesystem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libwebcam/+bug/811604/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs