I discovered similar issue when removing Live! Cam Connect HD VF0750 webcam.
Kubuntu 16.04 amd64 Linux 4.4.0-53.74 Asus N551JM Attached trace. You can see camera being connected and disconnected, resulting in five tracebacks. ** Attachment added: "trace_after_removing_live_webcam.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1283604/+attachment/4792816/+files/trace_after_removing_live_webcam.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1283604 Title: WARNING: CPU: 0 PID: 5517 at /build/buildd/linux-3.13.0/fs/sysfs/group.c:214 sysfs_remove_group+0xc6/0xd0() To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1283604/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
