I have this problem too. In my case I have an Nvidia board in a laptop:
01:00.0 VGA compatible controller: nVidia Corporation Quadro NVS 160M
(rev a1) (prog-if 00 [VGA controller])
Subsystem: Dell Device 0233
Flags: bus master, fast devsel, latency 0, IRQ 11
Memory at f5000000 (32-bit, non-prefetchable)
Memory at e0000000 (64-bit, prefetchable)
Memory at f2000000 (64-bit, non-prefetchable)
I/O ports at df00
Capabilities: <access denied>
Kernel modules: nouveau
This is actually driving two displays -- one is the laptop monitor
itself and the second is a Dell 2408WFP 24" wide screen flat panel
monitor. The screen goes black on both these monitors, but the laptop's
monitor recovers first and the Dell flat panel about 2-3 seconds later.
The display contents seem to be preserved and there is no visible harm.
But it is very disconcerting and obviously shouldn't be happening.
Bob
On 05/17/2009 08:20 AM, Robert P. J. Day wrote:
on my (currently up to date) f11 beta system, every so often while
i'm in gnome, the screen goes black. no, it's not the screensaver
kicking in after a certain idle period. i might have just typed
something and, two seconds later, blackness. move the mouse, i get my
display back. no harm, just weird.
i'm currently running the latest radeon driver, with "XAA" in
xorg.conf. it's not fatal, obviously, just unusual -- i've never had
that behaviour in previous versions of fedora.
rday
--
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Robert P. J. Day Waterloo, Ontario, CANADA
Linux Consulting, Training and Annoying Kernel Pedantry.
Web page: http://crashcourse.ca
Linked In: http://www.linkedin.com/in/rpjday
Twitter: http://twitter.com/rpjday
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