Re: next-20130607 BUG: sleeping function called from invalidcontext at lib/idr.c:424

From: Davidlohr Bueso
Date: Tue Jun 11 2013 - 14:38:27 EST

On Tue, 2013-06-11 at 14:33 -0400, Valdis Kletnieks wrote:
> Tried to boot next-20130607, got this during early boot. -0603 is OK, so
> whatever did it is a recent patch. Not sure who's fault it is, as idr_preload()
> has been there since February, apparently something in the SyS_semget()
> path has been changed...
> Looking at 'git blame', I see a bunch of patches from Davidlohr Bueso on 06/07
> that hit ipc/util.c and friends.

Yeah, this is my fault. It was originally reported by Fengguang:

Sasha proposed a fix to use GFP_ATOMIC in idr_preload instead of


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