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Old 07-11-2011, 07:43 PM
Zach Wang
Default Fedora 15 moving task (thread) off CPU

I'm trying to move kernel threads off CPUs, but can't seem to do so in F15. The kernel call used is sched_setaffinity, and it fails with message "Invalid argument". Example threads include "cpuset" and "khelper", among others. Yes, I have checked that these threads are not bounded to specific CPUs. Any idea why? Are there any new restrictions w.r.t. moving kthreads in F15? There were no problems in Redhat 6 or earlier.

Thank you.

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