Re: 2.6.23-rc2-mm1 -- INFO: possible circular locking dependency detected

From: Johannes Berg
Date: Fri Aug 10 2007 - 05:46:33 EST


On Fri, 2007-08-10 at 02:47 +0400, Alexey Starikovskiy wrote:

> > Presumably the new debugging patches in -mm
> > (workqueue-debug-flushing-deadlocks-with-lockdep.patch and
> > workqueue-debug-work-related-deadlocks-with-lockdep.patch) think they have
> > found a potential deadlock in ACPI. I don't have time to pick through the
> > code to confirm that, but boy I'm good at adding cc's ;)

> Yep, it indeed may lock up... Here is a patch to avoid it

Cool. I'm impressed this stuff actually finds something :)

johannes

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