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#1 2011-04-23 11:03:46
- Revelation60
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- From: The Netherlands
- Registered: 2009-03-19
- Posts: 158
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Scheduling not working correctly
Ever since I installed the latest kernel 2.6.38.x, my system gets totally crippled when a high CPU process like an extraction of a big rar file gets started. The system loses all responsiveness: google doesn't respond anymore and even urxvt has trouble refreshing.
What could cause this regression and how can I fix it?
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#2 2011-04-23 20:50:09
- akurei
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- From: Bochum, NRW, Germany
- Registered: 2009-05-25
- Posts: 152
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Re: Scheduling not working correctly
Having the same problem. When I move a lot of files via USB to my android phone, FF is almost unusable.
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#3 2011-04-23 21:19:57
- brebs
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- Registered: 2007-04-03
- Posts: 3,742
Re: Scheduling not working correctly
You're running these I/O-intensive commands with ionice -c3, right?
Firefox uses sqlite, which loves to "sync" (i.e. force writes to be done *right now*), which is why one strategy is to thwart that by running it in RAM.
As a die-hard BFS zealot, I'd guess it's the crappy "wonder patch" being not-so-wonderful, but I could be wrong.
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#4 2011-04-24 16:07:33
- Revelation60
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- From: The Netherlands
- Registered: 2009-03-19
- Posts: 158
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Re: Scheduling not working correctly
You're running these I/O-intensive commands with ionice -c3, right?
I am not, but I'll check it out! I can't remember the performance being so bad before 2.6.38 though.
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