Re: 2.6.22-rc6-mm1 -- BUG - EIP: [<c01a77a1>] sysfs_addrm_finish+0x1c2/0x226 SS:ESP 0068:c5ff9db8

From: Miles Lane
Date: Sun Jul 08 2007 - 00:56:31 EST


On 7/7/07, Tejun Heo <htejun@xxxxxxxxx> wrote:
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?

I double-checked. I can boot fine after building without your patch.
Also, I reproduced the initial BUG I reported (triggered by
"modprobe -r ipw2200").

Miles
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