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Old 10-25-2009, 09:37 PM   #1
JanusPaul
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Xorg Freezes on my system


Not sure why I get the same result between (amd64) debian, kubuntu, xubuntu, but the screen will pixelate once the desktop is fully loaded, sometimes when an app window opens like konsole/terminal.

I've tried various combinations, with & without the GeForce PCIx, even the live CDs freeze. Please trust me when I say I exhaust searching for what's already been asked/posted/resolved before posting, yes even google, I'm at a loss... It freezes like a kernel panic because Ctrl+Alt+F1 doesn't do jack, nor Ctrl+Alt+BkSp, would dmesg have logged anything useful?

A brief hardware list:

Dell Inspiron 531
Socket AM2 AMD Athlon64 X2 3800+
nVidia GeForce 7800 GT PCIx
nVidia MCP61 PCIx (onboard)

(complete hwinfo - http://vashinc.com/hwinfo)

Thanks,
Paul
 
Old 10-25-2009, 11:12 PM   #2
fbsduser
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the latest Xorg have the ctrl-alt-bksp disabled by default. You need to install a package called something like "nozap" or similar. With it the ctrl-alt-bksp gets enabled.
 
Old 10-26-2009, 03:14 AM   #3
Wim Sturkenboom
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Did you install the nvidia drivers? The nv drivers do not always work properly with nvidia cards.
 
Old 10-26-2009, 12:00 PM   #4
smeezekitty
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didf you try 640x480x4BPP VGA mode to see if its the video driver?
 
Old 10-26-2009, 11:28 PM   #5
JanusPaul
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Yeah I tried the nVidia drivers and everything loaded quicker, got to the same point and froze the same way. Correction though, the mouse cursor will continue to respond but that's it. Will try the "nozap" package thanks.

I don't think it's directly a video problem though. MemTest?

Last edited by JanusPaul; 10-26-2009 at 11:32 PM.
 
Old 10-27-2009, 12:19 AM   #6
smeezekitty
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Quote:
Originally Posted by JanusPaul View Post
I don't think it's directly a video problem though. MemTest?
more likly then not its a video problem.
 
Old 10-27-2009, 04:03 AM   #7
Wim Sturkenboom
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The alternative to <alt><ctrl><backspace> is <alt><printscrteen>k

Some idiot came up with the idea that users can press <alt><ctrl><backspace> by accident.

Running memtest will not hurt; at least you can eliminate a possible cause.
 
Old 02-21-2010, 01:58 PM   #8
JanusPaul
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Another diagnosis

Sorry for re-opening this issue, my buddy made it a Windows box for a couple months and then decided he wanted to learn Linux over many Windows related frustrations/headaches (why we all went to Linux in the first place :P).

Attempting to get Gnome working remotely GDM did come up, he did login, the GUI froze, but the machine via remote connection still worked. Xorg went into an endless loop (100% CPU usage), killed that process. When GDM came up again it just froze and wouldn't go away, etc. so I just rebooted to clear up the mess for now. dmesg revealed nothing about the issue either.

Up to the point of actually freezing the display is as it should be and then bam, it pixilates again becomes unresponsive to the GUI user.

What do I need to do to resolve this or at least diagnose it better/further, something, anything please.

Now I've got it running straight Debian from NetInstall (Lenny) or "Linux Tux 2.6.26-2-amd64 #1 SMP Thu Feb 11 00:59:32 UTC 2010 x86_64 GNU/Linux".
 
  


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