I've got problem with Handbrake/ffmpeg. When I start transcoding something big after about five minutes the computer locks up. I'm fairly sure it's a kernel panic because caps-lock starts flashing.
Now, I know there are a few questions about what to do and some about specific bugs but I'm really after one thing: the log of what happened right before everything died.
/var/log/kern.log and all I see around the time is me sticking in a DVD and then a few minutes later, the system booting up. No errors, no panic notice.
Is there any way to force panics to be logged? I'm fairly sure I can reproduce this (it's happened 100% of the times I've tried recently) so while I'd rather this "just worked", I'm happy enough to reboot a few times if it means I can find the cause of the panic.