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SubjectRe: Warnings about tasks on CPU 1 during STR
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On Mon, 2010-01-25 at 05:42 +0100, Frans Pop wrote:
> With 2.6.33-rc5 during suspend to RAM I'm getting a bunch of warnings
> I've not seen with earlier kernel versions:
>
> PM: late suspend of devices complete after 28.784 msecs
> ACPI: Preparing to enter system sleep state S3
> Disabling non-boot CPUs ...
> CPU 1 is now offline
> SMP alternatives: switching to UP code
> Task events/1 (pid = 10) is on cpu 1 (state = 1, flags = 84208040)
> Task khelper (pid = 11) is on cpu 1 (state = 1, flags = 80208040)
> Task sync_supers (pid = 77) is on cpu 1 (state = 1, flags = 80208040)
> Task bdi-default (pid = 79) is on cpu 1 (state = 2, flags = 80a15040)
> Task kblockd/1 (pid = 81) is on cpu 1 (state = 1, flags = 84208040)
> [...]
> Task pm-suspend (pid = 29782) is on cpu 1 (state = 2, flags = 414000)
> Extended CMOS year: 2000
> Back to C!
>
> All the "Task X is on cpu 1" messages (76 in total) are new. Bug or
> intentional? As it is a warning, I suspect a bug.

http://lkml.org/lkml/2010/1/21/175



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