From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: Kernel crash in 2.6.39-rc2-wl Date: Wed, 06 Apr 2011 22:54:32 +0200 Message-ID: <1302123272.2701.34.camel@edumazet-laptop> References: <4D9CCD72.7020308@candelatech.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: netdev To: Ben Greear Return-path: Received: from mail-wy0-f174.google.com ([74.125.82.174]:38985 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754523Ab1DFUyh (ORCPT ); Wed, 6 Apr 2011 16:54:37 -0400 Received: by wya21 with SMTP id 21so1668909wya.19 for ; Wed, 06 Apr 2011 13:54:36 -0700 (PDT) In-Reply-To: <4D9CCD72.7020308@candelatech.com> Sender: netdev-owner@vger.kernel.org List-ID: Le mercredi 06 avril 2011 =C3=A0 13:30 -0700, Ben Greear a =C3=A9crit : > This is from today's wireless-testing kernel, with a few non-tainting > patches related to wireless stuff. In general, 39-rc2 seems pretty > flaky, but on this boot, this is the first kernel splat. >=20 > I had reloaded our user-space network-config DB, which would have del= eted > and created some VETH and MAC-VLAN interfaces, and a bunch of > protocol sockets, virtual-routers (xorp with unique routing tables) e= tc. >=20 >=20 > BUG: unable to handle kernel paging request at 50435453 > IP: [] __kmalloc_track_caller+0xd8/0x117 > *pde =3D 00000000 > Oops: 0000 [#1] SMP > last sysfs file: /sys/devices/pci0000:00/0000:00:1f.2/host0/target0:0= :1/0:0:1:0/block/sda/sda1/stat > Modules linked in: xt_CT iptable_raw xt_DSCP xt_dscp xt_string xt_own= er xt_NFQUEUE xt_multiport xt_mark xt_iprange xt_hashlimit xt_connmark = xt_addrty] >=20 > Pid: 12747, comm: xorp_rtrmgr Not tainted 2.6.39-rc2-wl+ #56 To Be Fi= lled By O.E.M. To Be Filled By O.E.M./To be filled by O.E.M. > EIP: 0060:[] EFLAGS: 00210206 CPU: 0 > EIP is at __kmalloc_track_caller+0xd8/0x117 > EAX: c0b18ee0 EBX: f5402500 ECX: 0001d3c9 EDX: 00000000 > ESI: 50435453 EDI: 0001d3c8 EBP: f17ddd00 ESP: f17ddce8 > DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 > Process xorp_rtrmgr (pid: 12747, ti=3Df17dc000 task=3Df147bde0 task.t= i=3Df17dc000) > Stack: > c07869c6 000000d0 000001fc f1284fc0 000000d0 f5487f80 f17ddd1c c074= 68b9 > 00000001 00000140 f15e0000 f15e0000 00000000 f17ddd34 c07869c6 ffff= ffff > f15e0000 00010000 f17ddd88 f17ddd98 c0787005 00004040 00000000 0000= 0002 > Call Trace: > [] ? sk_stream_alloc_skb+0x2c/0xc4 > [] __alloc_skb+0x5d/0xf9 > [] sk_stream_alloc_skb+0x2c/0xc4 > [] tcp_sendmsg+0x16d/0x714 > [] inet_sendmsg+0x55/0x5e > [] __sock_sendmsg+0x56/0x5f > [] sock_sendmsg+0x98/0xac > [] ? mark_lock+0x1e/0x1de > [] ? pick_next_highest_task_rt+0x148/0x148 > [] ? fget_light+0x30/0xa4 > [] ? sockfd_lookup_light+0x1b/0x4b > [] sys_sendto+0xaf/0xcb > [] ? __run_hrtimer+0xbc/0x106 > [] ? lock_release_non_nested+0x86/0x1d8 > [] ? might_fault+0x4c/0x86 > [] sys_send+0x1d/0x1f > [] sys_socketcall+0xe6/0x1aa > [] sysenter_do_call+0x12/0x38 > [] ? timer_cpu_notify+0x47/0x222 > Code: d2 75 13 8b 4d e8 8b 55 ec 50 89 d8 e8 e9 f6 ff ff 5f 89 c6 eb = 21 8b 03 64 8b 30 39 d6 75 d2 64 8b 48 04 39 f9 75 ca 8b 53 14 41 <8b> = 14 16 64 > EIP: [] __kmalloc_track_caller+0xd8/0x117 SS:ESP 0068:f17dd= ce8 > CR2: 0000000050435453 Thats "STCP" in ASCII