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[64 bit] High cpu usage in migration/3 & /4 maybe

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linux-howto

http://ubuntuforums.org – Hi, I've just upgraded my backebd server to kernel to:- Linux alpha2 3.0.0-15-generic #26-Ubuntu SMP Fri Jan 20 17:23:00 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux And I'm now seeing high CPU usage in my munin graphs. Looking at the reason I've found this:- Code: ps aux | sort -k 4 | grep migration root        6  0.0  0.0      0    0 ?        S    Jan27  0:00 [migration/0] root        7  0.0  0.0      0    0 ?      & (Hardware)