Tejun Heo wrote:
> Miles Lane wrote:
>>> 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").
> 
> This is creepy.  I was able to reproduce the oops here with your
> configuration file and making buffers for kallsyms static solved the
> problem.  It isn't stack overflow.  At maximum those arrays added 254
> bytes to the stack and when the oops occurs stack area was left more
> than enough.  I'll keep looking into why that happened but the attached
> patch should get us going on the original subject.

Alright, found out what was going on.  KSYM_NAME_LEN doesn't include
space for the trailing '\0'.  Gees, I've read enough assembly for the
month to find that out.  Anyways, here's proper debug patch.

Thanks.

-- 
tejun