Messages in this thread |  | | Date | Fri, 14 Feb 2014 12:14:53 +1100 | From | Dave Chinner <> | Subject | Re: 3.14.0-rc2: WARNING: at mm/slub.c:1007 |
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On Thu, Feb 13, 2014 at 03:34:19PM -0800, Christian Kujau wrote: > On Fri, 14 Feb 2014 at 09:26, Dave Chinner wrote: > > > after upgrading from 3.13-rc8 to 3.14.0-rc2 on this PowerPC G4 machine, > > > the WARNING below was printed. > > > > > > Shortly after, a lockdep warning appeared (possibly related to my > > > post to the XFS list yesterday[0]). > > > > Unlikely. > > OK, so the "possible irq lock inversion dependency detected" is a lockdep > regression, as you explained in the xfs-list thread. What about the > "RECLAIM_FS-safe -> RECLAIM_FS-unsafe lock order detected" warning - I > haven't seen it again though, only once with 3.14.0-rc2.
That was also an i_lock/mmapsem issue, so it's likely to be the same root cause. I'm testing a fix for it at the moment.
Cheers,
Dave. -- Dave Chinner david@fromorbit.com
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