On Sat, 8 Dec 2012, Mel Gorman wrote:
>
> Commit 8852aac2 (workqueue: mod_delayed_work_on() shouldn't queue timer on
> 0 delay) is causing the following boot failure for me. Found by bisection
> but no further analysis unfortunately until I get back home properly.
> I've added the relevant maintainers for megasas and SCSI in case it's
> somehow specific to that driver.
This should be fixed by commit c1d390d8e612. The Megaraid SAS driver was
doing insane things, using a work-struct for delayed work, and casting
pointers around. It had happened to work for all the wrong reasons before,
the mod_delayed_work_on() changes just exposed how crazy that crap was.
So please test current -git. If it's still broken, we'll need to know, but
I'm assuming this is the already-known-and-fixed bug.
Linus
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