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Date: Wed, 16 May 2007 13:05:19 +0200 From: Tejun Heo <htejun@...il.com> To: Andrew Morton <akpm@...ux-foundation.org> CC: Clemens Schwaighofer <cs@...uila.co.jp>, linux-kernel <linux-kernel@...r.kernel.org>, Maneesh Soni <maneesh@...ibm.com>, Dipankar Sarma <dipankar@...ibm.com>, Greg KH <greg@...ah.com> Subject: Re: Oops and Panics in 2.6.21.1, 2.6.20.6 and 2.6.19.2 Hello, Andrew Morton wrote: > On Wed, 16 May 2007 09:24:54 +0900 Clemens Schwaighofer <cs@...uila.co.jp> wrote: > >> I have re-occurring oopses and panics in those above kernels. The error >> is always the same. I have the last Kernel Panic as a picture here: >> >> http://dev.tequila.jp/clemens/R0010172.JPG >> >> The oops have the same error style like this Panic. I tried to capture >> one, but right after copying it into vim, I got a Panic. So next time I >> try to. >> >> I think it started with 2.6.19.2, I cannot remember I had any of those >> problems before. The box can work fine for about a week or more, or it >> looks up several times a day. I run a memtest for 10 h, but I had no errors. > > shrink_dcache_memory->...sysfs_d_iput->BUG > > BUG_ON(sd->s_dentry != dentry); > > a number of people have hit that, on and off. Yeah, I've been seeing that one. It should have been fixed with the big fat patchset. > We were close to having a fix, I think, but then we decided that great > chunks of sysfs needed rewriting and I believe that we believe that this > great rewrite will fix this bug. How were we gonna fix it? If it isn't too complex, I can cook up a patch for -stable series. The safest approach I can think of is making dentries for attributes unreclaimable but those are made reclaimable for good reasons. :-( Thanks. -- tejun - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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