Messages in this thread | | | Date | Thu, 16 Dec 2004 19:03:45 +1100 | From | Nick Piggin <> | Subject | Re: 2.6.10-rc3: kswapd eats CPU on start of memory-eating task |
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Voluspa wrote: > Earlier today I wrote: > > >>I find no problem when blender is the sole (large) application, but when a >>distributed computing client is running in the background the reported > > problems > >>surface. I use http://folding.stanford.edu for protein folding. It runs >>with a default of nice 19 and sucks up every free CPU cycle. I've never >>seen it interfere with anything prior to this swap issue - been running >>it since 2000. > > > More testing done to find the breaking point. Running the folding client and > blender: > > 2.6.8.1-bk2 is the last kernel without _any_ swapping problem (no screen freezes > etc) > | > | 2.6.9-rc1 and three -bk forward have oopses and loss of keyboard in X. > Can't test them. > | > 2.6.9-rc1-bk4 is the first functional kernel where the freezes show up. > > So it is a real regression. >
Can you turn on magic sysrq in the kernel hacking menu, and press alt+sysrq+m a few times while kswapd is using lots of memory, please?
Then run `dmesg -s 1000000 > dmesg.out`, and send the dmesg over, please?
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