| To: | Dave Chinner <david@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: 3.14.0-rc2: WARNING: at mm/slub.c:1007 |
| From: | Christian Kujau <lists@xxxxxxxxxxxxxxx> |
| Date: | Thu, 13 Feb 2014 15:34:19 -0800 (PST) |
| Cc: | LKML <linux-kernel@xxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx, linux-mm@xxxxxxxxx |
| Delivered-to: | xfs@xxxxxxxxxxx |
| In-reply-to: | <20140213222602.GK13997@dastard> |
| References: | <alpine.DEB.2.19.4.1402131144390.6233@xxxxxxxxxxxxxx> <20140213222602.GK13997@dastard> |
| User-agent: | Alpine 2.19.4 (DEB 40 2013-11-18) |
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. Christian. -- BOFH excuse #108: The air conditioning water supply pipe ruptured over the machine room |
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