linux-kernel - Re: 2.6.22-rc6-mm1 -- BUG - EIP: [<c01a77a1>] sysfs_addrm

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Message-ID: <469038EF.7040709@gmail.com>
Date:	Sun, 08 Jul 2007 10:07:59 +0900
From:	Tejun Heo <htejun@...il.com>
To:	Miles Lane <miles.lane@...il.com>
CC:	Andrew Morton <akpm@...l.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.22-rc6-mm1 -- BUG - EIP: [<c01a77a1>] sysfs_addrm_finish+0x1c2/0x226
 SS:ESP 0068:c5ff9db8

Miles Lane wrote:
>> Weird, that's unrelated path.  It seems sd->s_parent is NULL in
>> sysfs_link_sibling(), which doesn't make sense because it's being called
>> from sysfs_create_link() which makes sure parent_sd isn't NULL &&
>> sysfs_addrm_start() should have caused oops earlier as it deferences
>> parent_sd.
>>
>> Can you please retry the test (test clean 2.6.22-rc6-mm1, apply patch,
>> rebuild and test)?
> 
> I downloaded linux-2.6.22-rc6.tar.bz2, applied 2.6.22-rc6-mm1 and then
> applied your second patch.  I still get the same OOPS I reported to you
> and Andrew in the image I attached to my previous message.

Thanks a lot.  Just in case, if you remove the patch (patch -R -p1), the
oops goes away, right?

-- 
tejun
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