Messages in this thread | | | Date | Wed, 16 Apr 2003 08:41:01 +0300 (EEST) | From | Catalin BOIE <> | Subject | Re: [PATCH] qdisc oops fix |
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> - sch = kmalloc(size, GFP_KERNEL); > + sch = kmalloc(size, GFP_ATOMIC); > > mysteriously fixes the problem? Could the problem be elsewhere? > Can you repost what the issue was? I am not on lk and i just saw the > posting on a web page.
With many rules (~5000 classes and ~3500 qdiscs and ~50000 filters) the kernel oopses in slab.c:1128. It happens on high rates (~15mbit). On low rates, doesn't.
Seems that an interrupt come and broke the memory allocation.
>>EIP; c0127ab4 <kmem_cache_grow+44/1d8> <=====
>>EAX; ffffffff <END_OF_CODE+3fd31247/????> >>EBX; c12c52c0 <END_OF_CODE+ff6508/????> >>EDI; c12c52c0 <END_OF_CODE+ff6508/????> >>ESP; ceab1c60 <END_OF_CODE+e7e2ea8/????>
Trace; c0127e0f <kmalloc+eb/110> Trace; c01d3cac <qdisc_create_dflt+20/bc> Trace; d081ecc7 <END_OF_CODE+1054ff0f/????> Trace; c01d5265 <tc_ctl_tclass+1cd/214> Trace; d0820600 <END_OF_CODE+10551848/????> Trace; c01d27e4 <rtnetlink_rcv+298/3bc> Trace; c01d0605 <__neigh_event_send+89/1b4> Trace; c01d7cd4 <netlink_data_ready+1c/60> Trace; c01d7730 <netlink_unicast+230/278> Trace; c01d7b73 <netlink_sendmsg+1fb/20c> Trace; c01c79d5 <sock_sendmsg+69/88> Trace; c01c8b48 <sys_sendmsg+18c/1e8> Trace; c0120010 <map_user_kiobuf+8/f8>
> > cheers, > jamal > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ >
--- Catalin(ux) BOIE catab@deuroconsult.ro - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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