lkml.org 
[lkml]   [2011]   [May]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Lockdep splat in autofs with 2.6.39-rc2
On 2011-04-27 09:22 -0400, Nick Bowler wrote:
> On 2011-04-21 17:25 -0400, Steven Rostedt wrote:
> > On Thu, Apr 07, 2011 at 03:44:03PM -0400, Nick Bowler wrote:
> > > Just saw this on 2.6.39-rc2 after half a day or so of uptime. I've
> > > never seen it before today so it may be a regression from 2.6.38.
> > > Nothing seems have failed as a result. Please let me know if you
> > > need any more info.
> >
> > Could you try this patch. I know it may be hard to reproduce, but the
> > issue is that we are recursing down the locks in a tree/list and we changed a
> > lock from being nested to being a parent. This patch tells lockdep about
> > what we did.
>
> OK, I've built 2.6.39-rc5 with this patch applied. However, it took ~5
> days before I saw any splat with -rc4, thus it's unlikely that I'll be
> able to say for sure that it works.

FWIW, haven't had any problems with this kernel (+ patch) during the
last two weeks.

Cheers,
--
Nick Bowler, Elliptic Technologies (http://www.elliptictech.com/)


\
 
 \ /
  Last update: 2011-05-11 21:15    [from the cache]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and my Meterkast|Read the blog