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SubjectRe: [OOPS 2.6.21-rc7-mm1] kernel BUG at fs/sysfs/inode.c:272 (sysfs_drop_dentry)
Andrew Morton wrote:
> On Wed, 25 Apr 2007 01:33:59 +0900 Tejun Heo <htejun@gmail.com> wrote:
>
>> Vincent Vanackere wrote:
>>> Hi,
>>>
>>> I'm getting the following oops at boot with the latest -mm kernel :
>>> ---------------------------------------------------------------
>>> kernel BUG at fs/sysfs/inode.c:272
>> Known problem. Working on it. Thanks.
>>
>
> If it had been known by me I wouldn't have released known-buggy code to
> people who need to be able to test other people's code too. (argh)
>

It's the problem Cornelia reported in the thread the patch was posted.
Okay, somehow it's missing lkml on cc list. I included everybody
related but missed lkml. A lot of screw ups lately. My apologies.
Currently, known problems are...

1. new sysfs_drop_dentry() not allowing drop of parent when it's not
empty. Reported by Cornelia and this thread reports the same problem.
I'm working on it now.

2. using sysfs_dirent pointer as sysfs inode number doesn't work because
ino_t is smaller than ulong on some archs. It's also broken for 32bit
apps on 64bit archs. Updated patch just submitted for review.

3. Sysfs rename doesn't work. I broke it during the first series of
sysfs updates. Will fix in a few days.

Again, sorry for all the troubles. I'll be more careful.

--
tejun
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