[Bug 177713] [NEW] 2.6.24-2: Regression with idle cpu cycle handling
Launchpad Bug Tracker
177713 at bugs.launchpad.net
Sat Jan 19 19:09:13 UTC 2008
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I have BOINC running in the background, which uses the remaining (idle)
With 2.6.24-2, other processes now get max. 50% of the available CPU
cycles! ~50% of the cycles still go to boinc, although it's running at
Additionally, non-nice load does not change the cpu frequency (from 1.0
to 1.8ghz in my case), when the dynamic cpufreq governor is being used.
I've tested normal cpu load with "cat /dev/urandom > /dev/null", which
is expected to max out, but does not so with 2.6.24-2.
This has been confirmed by somebody else with the same CPU (Athlon64 3000+), using the amd64 kernel.
I'm using the x86-generic kernel myself.
** Affects: boinc (Ubuntu)
2.6.24-2: Regression with idle cpu cycle handling
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