Comment 33 for bug 367464

I also experience a hard freeze that I believe to be related to firefox (but I can't replicate it reliably, so I'm not sure).

I leave my laptop with the screen locked and lid shut most of the day, and I most often experience the freeze when opening the lid after being away for an extended period of time.

On an acer aspire 6930 running 64-bit Jaunty with kernel 2.6.28-15-generic.