[Bug 585765] Re: Ubuntu 10.04 random freezes

[databubble]

All, please note from the earlier posts....  florianr, myself, and
others confirmed that the freezing we were seeing could still happen
without X and the desktop running, and on very different video hardware.
If your bug seems to be graphics related, you should probably report it
separately.

I can confirm that I'm still seeing freezes under the latest lucid
2.6.32-23-generic and 2.6.32-23-preempt.

Further testing shows that if I boot with kernel parameters "noapic
nolapic" then the freezing does not happen.  I'm currently writing this
while playing 720p video, ripping a DVD in Handbrake, recording an HD
video in mythtv, commercial flagging a program, running virtualbox (busy
doing a virus scan) and playing audio in amarok.   While the system is
pausing occasionally under the CPU/disk/memory load.... no freeze.  A
torture test that would be sure to freeze in a few seconds if I ran
without "noapic nolapic".   Further, if I boot with kernel parameter
"noacpi" I still have freezes.... it has no effect on it's own.   Again,
this is a regression from karmic where I could run without "noapic
nolapic".

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Ubuntu 10.04 random freezes
https://bugs.launchpad.net/bugs/585765
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