Public bug reported:
Many people have reported the "random X freeze" with "put your card
here". I have been hunting down this bug in forums and making some
durability tests in my pc.
Ok the problem is very random.... yes it is very random, sometimes 5
min. after boot sometimes it can take up to 3 or 4 days to trigger,
however I have hunted down the flash player to trigger the bug quicker
than anything else, down to a couple of minutes of hd video playing in
flash might trigger the bug, so I am suspecting some video memory leak
(not ram but vram) somewhere in the X server or the driver, bug happens
with and without compiz enabled.
Most of times just the X server freezes however the mouse still moves,
also corruption is visible and many flickers on screen and the mouse
might freeze after. Some times the hangup is complete no SSH, sometimes
machine is accessible via SSH, and rarely switching to console is
posssible, however returning to the X server freezes completely the
machine.
Extra Info...
Ubuntu 9.04 Jaunty (happened in intrepid)
Nvidia driver nvidia-glx-180 (happened with 177 also but less).
Video card Zogis nvidia 8500GT (the vbios reports 256mb but nvidia-settings
reports 512mb)
MoBo: Intel DG31PR
Memory: 2gb dual channel kit at 800mhz (there is no way to disable dual
channel).
** Affects: ubuntu
Importance: Undecided
Status: New
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random x server freeze (nvidia)
https://bugs.launchpad.net/bugs/365885
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