Re: Oops and Panics in 2.6.21.1, 2.6.20.6 and 2.6.19.2

[Clemens Schwaighofer <cs@tequila.co.jp>]

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On 05/16/2007 10:53 AM, Andrew Morton wrote:
>
>> 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.
> 
> 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.
> 
> But alas, it's all too late for 2.6.22.

Well, there is always hope for 2.6.23 :)

> How frequently do you see these failures?  If it's repeatable with any reliability
> then it'd be great if you could test a patchset for us.  It's at:
> 
> http://userweb.kernel.org/~akpm/cs.gz
> 
> that's a single patch against 2.6.21-rc1, containing the following patches, which 
> are from the forthcoming 2.6.21-rc1-mm1 lineup:

I get this very frequently recently. I just got hit by another PANIC
which was probably the same issue. I will get this patch and try it out
and see if it helps for me.

-- 
[ Clemens Schwaighofer                      -----=====:::::~ ]
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