Attached is the full kernel log from the Totem crash up to the reboot (selinux is in permissive mode). It appears there are four different backtraces, starting from [<c01190e6>] hrtick_start_fair+0xeb/0x12c [<c015688a>] sync_page+0x0/0x36 [<c01bc506>] avc_has_perm+0x3c/0x46 [<c02b831f>] schedule+0x63d/0x66f As I had somewhat expected, it was impossible to perform a clean shutdown. After shutting down X, I was left with a nonfunctioning terminal. However the kernel still responded to magic SysRq, allowing me to sync / remount ro / and reboot. However, the commands powerOff and kIll had no effect. I could also confirm that the totem process was still running.
Attachment:
trace.log.gz
Description: GNU Zip compressed data