Comment 69 for bug 479296

This bug is present in Lucid as well, unfortunately. My symptoms are largely the same:

* Complete system freeze, including X and the mouse
* Kernel panic (cannot SSH into the box)
* No obvious pattern; will reboot multiple times in an hour, and then be fine for five or six hours or more
* Occasionally system hangs with music looping, but is more often random and not clearly associated with an activity
* Last reported issue is the ratelimit.d problem with Pulseaudio

I have filed what may be a duplicate bug at: <a href="https://bugs.edge.launchpad.net/ubuntu/+source/linux/+bug/568549">https://bugs.edge.launchpad.net/ubuntu/+source/linux/+bug/568549</a>

It does not appear to be related to the proprietary NVidia drivers, as I've downgraded to the non-proprietary versions and am still experiencing the issue.

Audio device is as follows:

23:00.0 Audio device: Creative Labs X-Fi Titanium series [EMU20k2] (rev 03)
 Subsystem: Creative Labs Device 0044
 Flags: bus master, fast devsel, latency 0, IRQ 56
 Memory at dfcf0000 (64-bit, non-prefetchable) [size=64K]
 Memory at dfa00000 (64-bit, non-prefetchable) [size=2M]
 Memory at de000000 (64-bit, non-prefetchable) [size=16M]
 Capabilities: <access denied>
 Kernel driver in use: SB-XFi
 Kernel modules: snd-ctxfi