On 08/05/2010 01:56 PM, Kanwar Ranbir Sandhu wrote:
On Tue, 2010-07-27 at 10:44 -0400, Alex wrote:
> As if to say, "F"-you, the screen changed from my normal desktop, with
> Firefox, Azureus, a few terminals, and a few VMs running, to a solid
> blue screen with just the Fedora squiggly 'F' in the middle of the
> screen, and the whole computer locked up.
>
> Completely dead. Catatonic. Unresponsive. Nothing in the logs.
>
> What the hell happened?
>
> This is really aggravating, because it has been one problem after
> another, and I'm beginning to rethink my decision on this desktop.
Lately I've been having random desktop lockups (i.e. I can't do
anything), but I can still hear my mp3s playing. My mouse stops working
on a whim, forcing me to use my keyboard to close apps and then switch
to a pty to kill my messed up Gnome session. Sound stops working for no
apparent, although I can bring it back easily enough by restarting
pulseaudio.
Just a little while ago my desktop froze again and I had to do a hard
power off to get it back.
I'm not sure if it's something flaky with my hardware or if it's Fedora
12 that's somehow hosed. My PC at work runs Fedora 12 flawlessly, so
I'm starting to think my hardware is wonky, but I'm not yet convinced.
Are you using an Asus motherboard such as the M3N78-VM? There are
known problems with the nVidia MCP78S-based USB ports on the Asus
boards (not just the model above) that can cause random lock ups. This
isn't a Linux-only thing--there are a number of reports that it does it
with Winblows also. The dead giveaway is the mouse and/or keyboard
freezing with X starting to suck up 100% of one of the CPU cores. I
know--I've been bitten by it quite a lot recently.
There's no fix that I know of. It appears to be a hardware design
issue. I have purchased a new motherboard (can't remember the make)
that specifically does NOT use nVidia. It uses an AMD chipset instead
of nVidia and an ATI video card. I haven't installed it yet, but will
this weekend. Also will give me a chance to poke around with the ATI
video drivers (fun, fun, fun!).
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