Comment 12 for bug 545039

After waiting almost a week for the crash to happen on the -21 kernel, I remembered the last time it happened was after a reboot when the -21 kernel had just been installed, so I've 'apt-get --reinstall'ed that kernel, restarted and then didn't have to wait more than 10 hours for the crash to happen again. Here's the zipped /sys/kernel/debug/tracing/trace