From: Stefan Priebe - Profihost AG <s.priebe@profihost.ag>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: Eric Dumazet <eric.dumazet@gmail.com>,
David Miller <davem@davemloft.net>,
jwboyer@gmail.com, hch@infradead.org, netdev@vger.kernel.org,
david@fromorbit.com, stable@vger.kernel.org, gregkh@suse.de
Subject: Re: BUG: unable to handle kernel NULL pointer dereference at 000000000000002c
Date: Mon, 06 Feb 2012 10:04:04 +0100 [thread overview]
Message-ID: <4F2F9784.7090203@profihost.ag> (raw)
In-Reply-To: <20120203155309.GB20638@kroah.com>
Hi Eric, Hi David
today i've seen this:
[1048676.660457] ------------[ cut here ]------------
[1048676.688131] WARNING: at net/ipv4/tcp_input.c:2964
tcp_ack+0xfe1/0x2420()
[1048676.716291] Hardware name: X8SIL
[1048676.744292] Modules linked in: xt_tcpudp ipt_REJECT iptable_filter
ip_tables x_tables coretemp k8temp ipv6 dm_snapshot dm_mod
[1048676.802468] Pid: 0, comm: kworker/0:1 Not tainted 2.6.40.17.1intel #1
[1048676.831737] Call Trace:
[1048676.860455] <IRQ> [<ffffffff81565921>] ? tcp_ack+0xfe1/0x2420
[1048676.860765] [<ffffffff81045e10>] warn_slowpath_common+0x80/0xc0
[1048676.860771] [<ffffffff81045e65>] warn_slowpath_null+0x15/0x20
[1048676.860777] [<ffffffff81565921>] tcp_ack+0xfe1/0x2420
[1048676.860784] [<ffffffff81567060>] tcp_rcv_established+0x300/0x630
[1048676.860791] [<ffffffff815708a4>] tcp_v4_do_rcv+0x154/0x2d0
[1048676.860796] [<ffffffff8157111b>] tcp_v4_rcv+0x6fb/0x880
[1048676.860804] [<ffffffff8154e4e7>] ip_local_deliver_finish+0x127/0x250
[1048676.860810] [<ffffffff8154e69d>] ip_local_deliver+0x8d/0xa0
[1048676.860815] [<ffffffff8154dda2>] ip_rcv_finish+0x172/0x340
[1048676.860820] [<ffffffff8154e1e5>] ip_rcv+0x275/0x2f0
[1048676.860827] [<ffffffff81523387>] __netif_receive_skb+0x427/0x4a0
[1048676.860832] [<ffffffff81529148>] netif_receive_skb+0x78/0x80
[1048676.860837] [<ffffffff81529280>] napi_skb_finish+0x50/0x70
[1048676.860842] [<ffffffff81529735>] napi_gro_receive+0xc5/0xd0
[1048676.860851] [<ffffffff81462786>] e1000_receive_skb+0x56/0x70
[1048676.860856] [<ffffffff814646eb>] e1000_clean_rx_irq+0x22b/0x3d0
[1048676.860862] [<ffffffff814630f2>] e1000_clean+0xb2/0x2f0
[1048676.860868] [<ffffffff81054efc>] ? run_timer_softirq+0x3c/0x320
[1048676.860873] [<ffffffff815298fa>] net_rx_action+0x10a/0x2b0
[1048676.860879] [<ffffffff8104c300>] __do_softirq+0xd0/0x1c0
[1048676.860887] [<ffffffff815eb20c>] call_softirq+0x1c/0x30
[1048676.860895] [<ffffffff810047b5>] do_softirq+0x55/0x90
[1048676.860900] [<ffffffff8104c0dd>] irq_exit+0xad/0xe0
[1048676.860905] [<ffffffff81003f94>] do_IRQ+0x64/0xe0
[1048676.860910] [<ffffffff815e9a93>] common_interrupt+0x13/0x13
[1048676.860913] <EOI> [<ffffffff8106bdff>] ?
notifier_call_chain+0x3f/0x80
[1048676.860926] [<ffffffff813117b3>] ? intel_idle+0xb3/0x120
[1048676.860931] [<ffffffff81311795>] ? intel_idle+0x95/0x120
[1048676.860937] [<ffffffff814fc27c>] cpuidle_idle_call+0xdc/0x1a0
[1048676.860942] [<ffffffff81002091>] cpu_idle+0xb1/0x110
[1048676.860948] [<ffffffff81b0d7aa>] start_secondary+0x201/0x297
[1048676.860953] ---[ end trace 4d27234ace919a1b ]---
Any idea about that? Is it due to my custom patch being buggy or is it
anything you know which is missing in 3.0.X too?
Thanks!
Stefan
next prev parent reply other threads:[~2012-02-06 9:04 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4ED7C367.3070109@profihost.ag>
2011-12-01 18:23 ` BUG: unable to handle kernel NULL pointer dereference at 000000000000002c Christoph Hellwig
2011-12-01 20:20 ` Eric Dumazet
2011-12-01 20:37 ` Josh Boyer
2011-12-01 21:05 ` Eric Dumazet
2011-12-02 6:08 ` Stefan Priebe - Profihost AG
2011-12-02 6:17 ` David Miller
2011-12-02 7:19 ` Stefan Priebe - Profihost AG
2011-12-02 17:34 ` David Miller
2011-12-02 18:53 ` Greg KH
2011-12-09 19:01 ` Stefan Priebe
2011-12-09 19:21 ` David Miller
2011-12-10 9:03 ` Stefan Priebe
2012-01-30 8:38 ` Stefan Priebe - Profihost AG
2012-01-30 17:12 ` Greg KH
2012-01-30 17:21 ` David Miller
2012-01-30 18:07 ` David Miller
2012-01-30 18:53 ` Stefan Priebe
2012-01-30 21:48 ` David Miller
2012-01-30 21:56 ` Greg KH
2012-01-31 8:08 ` Stefan Priebe - Profihost AG
2012-02-01 21:21 ` David Miller
2012-02-02 12:55 ` Stefan Priebe - Profihost AG
2012-02-02 15:04 ` Eric Dumazet
2012-02-02 18:37 ` Stefan Priebe
2012-02-02 19:39 ` David Miller
2012-02-03 0:42 ` Greg KH
2012-02-03 6:48 ` Stefan Priebe - Profihost AG
2012-02-03 7:26 ` Eric Dumazet
2012-02-03 8:09 ` Stefan Priebe - Profihost AG
2012-02-03 11:04 ` Eric Dumazet
2012-02-03 15:53 ` Greg KH
2012-02-06 9:04 ` Stefan Priebe - Profihost AG [this message]
2012-02-06 9:19 ` Eric Dumazet
2012-02-06 12:47 ` TCP sacked_out and fackets_out inconsistency (Was: Re: BUG: unable to handle kernel NULL pointer dereference at 000000000000002c) Ilpo Järvinen
2012-02-08 8:26 ` Stefan Priebe - Profihost AG
2012-02-08 9:15 ` Eric Dumazet
2012-02-08 9:28 ` Eric Dumazet
2012-02-06 9:02 ` BUG: unable to handle kernel NULL pointer dereference at 000000000000002c Stefan Priebe - Profihost AG
2012-02-06 9:16 ` Eric Dumazet
2012-02-06 11:31 ` Stefan Priebe - Profihost AG
2012-02-08 8:24 ` Stefan Priebe - Profihost AG
2012-02-08 16:49 ` Greg KH
2012-02-09 6:43 ` Stefan Priebe - Profihost AG
2012-02-08 20:19 ` David Miller
2012-02-09 1:26 ` David Miller
2012-02-09 6:44 ` Stefan Priebe - Profihost AG
2012-02-09 22:13 ` David Miller
2012-02-10 7:04 ` Stefan Priebe - Profihost AG
2012-02-10 7:07 ` Eric Dumazet
2012-02-10 18:25 ` Eric Dumazet
2012-02-10 20:41 ` David Miller
2012-02-03 15:52 ` Greg KH
2011-12-12 9:45 ` Stefan Priebe - Profihost AG
2011-12-12 12:57 ` Stefan Priebe - Profihost AG
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