I discovered why, trying to research the reason for the Terratec Cam crashes:
It is a conflict due to using the Linksys WUSB600N Wlan stick! Unplugging the stick made things work more or less fine again! (still the black screen for a few seconds). -- Recording a video stutters https://bugs.launchpad.net/bugs/664441 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs