Re: 2.6.21-mm1 and now 2.6.21-git: SLUB Crashes on boot - crypto?

Chuck Ebbert
2007-05-18T20:49:53Z

Luca Tettamanti wrote:
> Il Fri, May 18, 2007 at 11:14:55PM +1000, Herbert Xu ha scritto:
>> On Fri, May 18, 2007 at 02:09:54PM +0200, Luca wrote:
>>> Well, pretty sure. The OOPS says 2.6.22-rc1-libata-g705962cc-dirty,
>>> git agrees and I've done a full rebuild. The .config is generated
>>> using 'make oldconfig' using the 2.6.21 as baseline, maybe ALGAPI is
>>> coming from there?
>> Sorry, my mistake. That bug only happens if you have padlock turned on.
>>
>> Anyway, if possible could you post the complete dmesg when it crashes?
>> I'd like to see what has happened up to the point where it crashes.
>
> Output from serial console is enlightening (sort of...):
>
> Loading IPsec SA/SP database from /etc/ipsec-tools.conf: BUG: unable to
> handle kernel paging request at virtual address 6b6b6ceb printing eip:
> b0141aef
> [oops]
>

module_put() is trying to decrease the refcount of a module that's
already been freed, AFAICT.