Comment 2 for bug 15178

(In reply to comment #1)
> Unfortunately, as this is an upstream problem in a binary-only driver, there's
> nothing we can do except send this one up to ATI. If you don't use 3D
> acceleration often, I strongly recommend using the 'radeon' driver.

i originaly posted this bug on the ubuntu application support thread.

http://www.ubuntuforums.org/showthread.php?p=123875#post123875

i've got the following response (from rosslaird):
----------
I can't shed any light, but I can confirm that this problem has happened to me
twice (both times with Firefox running). I have an nvidia card and the latest xorg.

This is tough to crack (i.e. with log files) because the whole system hangs --
no ctl-alt-f1, no ctl-alt-bksp, nothing but the big 'ol power button.
---------

both of us use different hardware, (mine an ati card, and his an nvidia card, ergo,
no fglrx installed on his machine..) and experience the same sympthoms.

i hope this will help in solving the problem. (or at least provide some clue)

thanks in advance,

mangar