Re: 2.6.17-mm5: lockdep prevents suspend to disk

[Pavel Machek]

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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