On Tue, 24 May 2011 02:41:51 +0300
Hussam Al-Tayeb [off-list ref] wrote:

YEs, 
lsmod | grep dm_crypt
dm_crypt               12887  2 
dm_mod                 55464  5 dm_crypt

Still no lockups since downgrading to 2.6.38.6 which was a few hours before I 
filed the bug report.
I could reinstall 2.6.39 if there is anything you would like me to test.

Thanks.

CONFIG_PROVE_LOCKING=y would be useful, if you didn't already have it
set.

Also after the kernel has failed, kill everything off and do a `ps aux'
and look for any other tasks which are stuck in "D" state.  Backtraces
for any such processes can be obtained with "echo w >
/proc/sysrq-trigger".

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