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SubjectRe: [BUG]: 2.4.10 lockup using ppp on SMP
Oops, forgot to tell - Chris Mason's patch has been applied (so NO change).
The problem seems somhow related to the general kernel lock in ioctls - to prove I
commented the unlock_kernel()/lock_kernel() in sock_ioctl out, leaving the kernel
locked during socket ioctls - bad, but proves ioctl related locking problem in
ppp_generic.c... The problem has nothing to do w/ double frees or mem. corruption
(IMO) - it seems to be related to "rest of the spin lock abuses" in ppp_generic.c...
:-)

Thanks for your help

Immanuel
Kurt Garloff wrote:

> On Fri, Sep 28, 2001 at 05:03:06PM +0200, Till Immanuel Patzschke wrote:
> > Hi,
> >
> > 2.4.10 (and all its 2.4.x predecessors) lock up in ppp_destroy_interface. Thanks
> > to the kdb I got the two tracebacks below - the all_ppp_lock interferes with
> > some other (socket?!) lock...
> > Any help is VERY much appreciated!
>
> Please try the patch that Chris Mason sent to LKML a day ago.
>
> Regards,
> --
> Kurt Garloff <garloff@suse.de> Eindhoven, NL
> GPG key: See mail header, key servers Linux kernel development
> SuSE GmbH, Nuernberg, DE SCSI, Security
>
> --------------------------------------------------------------------------------
> Part 1.2Type: application/pgp-signature

--
Till Immanuel Patzschke mailto: tip@internetwork-ag.de
interNetwork AG Phone: +49-(0)611-1731-121
Bierstadter Str. 7 Fax: +49-(0)611-1731-31
D-65189 Wiesbaden Web: http://www.internetwork-ag.de



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