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SubjectRe: 2.6.17-mm5: lockdep prevents suspend to disk
Hi!

> * 2.6.17-mm5 (plus hotfix) suspends/resume to disk
> correctly
> * adding lockdep testsuite breaks it
>
> Extract from dmesg:
>
> Jul 4 21:48:08 tycho kernel: Freezing cpus ...
> Jul 4 21:48:08 tycho kernel: Stopping tasks:
> =====================================================================================
> Jul 4 21:48:08 tycho kernel: stopping tasks timed out
> after 20
> seconds (8 tasks remaining):
> Jul 4 21:48:08 tycho kernel: rt-test-0
> Jul 4 21:48:08 tycho kernel: rt-test-1
> Jul 4 21:48:08 tycho kernel: rt-test-2
> Jul 4 21:48:08 tycho kernel: rt-test-3
> Jul 4 21:48:08 tycho kernel: rt-test-4
> Jul 4 21:48:08 tycho kernel: rt-test-5
> Jul 4 21:48:08 tycho kernel: rt-test-6
> Jul 4 21:48:08 tycho kernel: rt-test-7

Are rt-test-X tasks kernel threads or userspace programs? (Kernel
threads need explicit try_to_freeze in them to allow suspend).

Are they normally killable?

Pavel

--
Thanks for all the (sleeping) penguins.
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