Comment 0 for bug 984273

This morning, the kernel went absolutely nuts on my Alienware M15x. It dumped literally millions of Emergency Thaw messages into syslog, many of which were malformed, like so:

bladernr@klaatu:~/Downloads$ grep "Emergency Thaw" /var/log/syslog |wc -l
16134519

Apr 17 11:40:05 klaatu kernel: [87482.066719] Emergency Thaw on sda6
Apr 17 11:40:05 klaatu kernel: [87482.066722] Emergency Thaw on sda6
Apr 17 11:40:05 klaatu kernel: [87482.066725] Emergency Thaw on sda6
Apr 17 11:40:05 klaatu kernel: [87482.066729] Emergenaw on sda6
Apr 17 11:40:05 klaatu kernel: aw on sda6
Apr 17 11:40:05 klaatu kernel: [8748aw on sda6
Apr 17 11:40:05 klaatu kernel: <aw on sda6
Apr 17 11:40:05 klaatu kernel: aw on sda6
Apr 17 11:40:05 klaatu kernel: [aw on sdaaw on sda6aw on sda6
Apr 17 11:40:05 klaatu kernel: <aw on sda6
Apr 17 11:40:05 klaatu kernel: <4aw on aw on sda6
Apr 17 11:40:05 klaatu kernel: <4aw on sda6
Apr 17 11:40:05 klaatu kernel: aw on sda6
Apr 17 11:40:05 klaatu kernel: [87482.aw on sda6
Apr 17 11:40:05 klaatu kernel: aw on sda6
Apr 17 11:40:05 klaatu kernel: aw on sda6
Apr 17 11:40:05 klaatu kernel: <aw on sda6
Apr 17 11:40:05 klaatu kernel: last message repeated 2 times
Apr 17 11:40:05 klaatu kernel: [87482.066793] Emergency Thaw on sda6
Apr 17 11:40:05 klaatu kernel: [87482.066796] Emergency Thaw on sda6
Apr 17 11:40:05 klaatu kernel: [87482.066800] Emergency Thaw on sda6

Also, there are a lot of malformed stack traces... it's as though the kernel was dumping things to syslog faster than syslog could keep up, causing essentially a system wide denial of service and the various syslog messages were all munged together. They're so bad I can't really paste them here, so check out lines 581150-581201 from the syslog I've attached...

I have no idea what kicked this off, but it made the system unusable, forcing a reboot to clear it up.