Interpreting call trace

Mulyadi Santosa mulyadi.santosa at
Wed Apr 6 13:32:09 EDT 2011

Hi Daniel...

On Wed, Apr 6, 2011 at 19:56, Daniel Baluta <daniel.baluta at> wrote:
> Hello,
> I have the following stack trace:
> [3992.172/0] BUG: soft lockup - CPU#0 stuck for 61s! [events/0:39]

alright, so we see soft lockup here.... so that means your machine is
not entirely frozen, right?

If that's true, then I think this entire call trace try to show that
there is lock contention somewhere along the trace...very likely
something grab a lock too long in fast path...


Mulyadi Santosa
Freelance Linux trainer and consultant


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