Public bug reported:
Hi, I think this is fglrx related, but I'm not sure. It seems to have
started with the most recent fglrx upgrade. Basically, if I leave my
computer alone for long enough, it will turn the screen black. For a
while, it will resume without a password (even though I've set it to
require a password). After a longer period of time, it will become
unresponsive. Before, I had a blank screen for a screen saver and it
worked just fine. The first few times this happend I could alt-ctrl-
backspace and log back in. It seems a lot like a hidden screen saver,
but I've disabled every suspend and screen saver option I could find. I
could never get my computer to suspend or hibernate correctly, so it
might be attempting to hibernate.
The most recent time, it was much worse. I was watching a movie. When
the screen blanked, it locked up immediately, even though I could still
hear sound. I could not kill X, so I was forced to reboot.
Does this bug constitute a security vulnerability? Whatever it is, it
probably the worst bug I've ever encountered in linux, and I've found a
lot.
I'm running a dell inspiron E1705 laptop with an ATI Mobility Radeon
X1400 and an Intel centrino duo with feisty.
Linux Deus-ex-Machina-4b 2.6.20-16-generic #2 SMP Wed May 23 01:46:23
UTC 2007 i686 GNU/Linux
** Affects: Ubuntu
Importance: Undecided
Status: Unconfirmed
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Random blank screen since fglrx update, forcing me to restart
https://bugs.launchpad.net/bugs/118447
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