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Old 03-23-11, 06:36 PM   #1
matthew11
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Join Date: Jun 2008
Posts: 4
Default Hard Freeze under massive GPU usage (ION)

Hello,

I'm using Ubuntu 10.10 on EeePC 1201n. It used to be freeze randomly, but after disabling the MSI the situation is improved a lot, however, hard lockups are still occur.
I noticed that the system is locking up when the GPU is under massive usage. This happens when playing with some games, and also when I running (fluidsGL) CUDA examples (planning to learn CUDA programming)
I also noticed the FPS significantly drops down just before the freeze.

The freeze is hard lockup, the system is absolutely unresponsive, even the Magic SysRq keys are useless. I tried to unload the Atheros driver (atl1c), and the wireless driver (r8192se_pci), but nothing helped. I have tried the methods are mentioned in the sticky "Stability problems" topic, but none of them are works. Memory seems to be perfect, the logs are empty, and I ran out of ideas.

I only have this small laptop, with an LG monitor (connected via HDMI) so I unable to set up the famous netconsole.

Any help will be highly appreciate.
Matthew
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