PowerPC kernel linux- crashes at mm/slab.c for ipsec application

Josh Boyer jwboyer at linux.vnet.ibm.com
Fri Aug 7 00:26:24 EST 2009

On Thu, Aug 06, 2009 at 06:46:26PM +0530, srikanth krishnakar wrote:
>Hi all,
>Here is kernel bug for linux- for PowerPC (ppc440) target, while
>running ipsec application it is observed that kernel oops'es oftenly as show
>below :
>root at powerpc:~# ./ipsec
>------------[ cut here ]------------
>kernel BUG at mm/slab.c:3002!
>Oops: Exception in kernel mode, sig: 5 [#1]


>Any Clue or any bugs found in mm/slab.c for linux- while
>running IPSEC applications ?

Do you have CONFIG_PREEMPT set?  The oops output seems to think so.  Also,
seeing the LTT makes me wonder if you have added custom patches to your kernel?

Do you have a simple testcase that could be run to recreate this?  If so,
could you provide it somewhere and perhaps your .config?


More information about the Linuxppc-dev mailing list