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

[Davidlohr Bueso]

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:
http://www.spinics.net/lists/kernel/msg1545633.html#.UbYI9qqdmV8

Sasha proposed a fix to use GFP_ATOMIC in idr_preload instead of
GFP_KERNEL:

http://lkml.org/lkml/2013/6/10/322

Thanks,
Davidlohr


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/