From mboxrd@z Thu Jan 1 00:00:00 1970 From: "kendo" Subject: skb_ts_get_next_block panic Date: Wed, 25 Jul 2012 17:52:52 +0800 Message-ID: <500FC1EE.CCD72C.08694@m50-133.163.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit To: "netdev" Return-path: Received: from m50-133.163.com ([123.125.50.133]:34849 "EHLO m50-133.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752500Ab2GYJww (ORCPT ); Wed, 25 Jul 2012 05:52:52 -0400 Sender: netdev-owner@vger.kernel.org List-ID: My server every few days, or more than 10 days will restart,Probably because of the use of the Netfilter xt_string module, But it seems not xt_string bug, but because of the bogus SKB buffer: Jul 25 15:13:18 AnShion <9> klogd: [ 5413.055010] BUG: unable to handle kernel paging request at 2f3c0a3e Jul 25 15:13:18 AnShion <9> klogd: [ 5413.130063] IP: [] kmap_atomic_prot+0x18/0xf0 Jul 25 15:13:18 AnShion <12> klogd: [ 5413.192555] *pde = 00000000 Jul 25 15:13:18 AnShion <8> klogd: [ 5413.227015] Oops: 0000 [#1] SMP Jul 25 15:13:18 AnShion <8> klogd: [ 5413.265738] last sysfs file: /sys/devices/virtual/net/bond0/bonding/slaves Jul 25 15:13:18 AnShion <12> klogd: [ 5413.347824] Modules linked in: igb e1000e Jul 25 15:13:18 AnShion <12> klogd: [ 5413.578307] Jul 25 15:13:18 AnShion <12> klogd: [ 5413.596059] Pid: 0, comm: kworker/0:0 Tainted: G M 2.6.38.8 #412 Intel Corporation S1200BTL/S1200BTL Jul 25 15:13:18 AnShion <12> klogd: [ 5413.715011] EIP: 0060:[] EFLAGS: 00010202 CPU: 1 Jul 25 15:13:18 AnShion <12> klogd: [ 5413.780491] EIP is at kmap_atomic_prot+0x18/0xf0 Jul 25 15:13:18 AnShion <12> klogd: [ 5413.835595] EAX: f48b2000 EBX: 00000163 ECX: 2f3c0a3e EDX: 00000163 Jul 25 15:13:18 AnShion <12> klogd: [ 5413.910417] ESI: f1f95e40 EDI: 00000000 EBP: f48b3bc4 ESP: f48b3bb4 Jul 25 15:13:18 AnShion <12> klogd: [ 5413.985237] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 Jul 25 15:13:18 AnShion <8> klogd: [ 5414.049680] Process kworker/0:0 (pid: 0, ti=f48b2000 task=f48a8000 task.ti=f489e000) Jul 25 15:13:18 AnShion <8> klogd: [ 5414.142138] Stack: Jul 25 15:13:18 AnShion <12> klogd: [ 5414.166117] 00000001 f48b3c6c f1f95e40 00000000 f48b3bcc c012ca0e f48b3bf4 c069ecde Jul 25 15:13:18 AnShion <12> klogd: [ 5414.259457] 00000004 eb636a80 f48b3c28 000005f8 00007365 00000000 f48b3c68 f1f9584e Jul 25 15:13:18 AnShion <12> klogd: [ 5414.352797] f48b3bfc c069ed1e f48b3c38 c038c2da f48b3c68 f48b3c68 f11c9d20 f11c9d30 Jul 25 15:13:18 AnShion <8> klogd: [ 5414.446140] Call Trace: Jul 25 15:13:18 AnShion <12> klogd: [ 5414.475306] [] __kmap_atomic+0xe/0x10 Jul 25 15:13:18 AnShion <12> klogd: [ 5414.530416] [] skb_seq_read+0x19e/0x1d0 Jul 25 15:13:18 AnShion <12> klogd: [ 5414.587597] [] skb_ts_get_next_block+0xe/0x10 Jul 25 15:13:18 AnShion <12> klogd: [ 5414.651007] [] kmp_find+0x3a/0x150 Jul 25 15:13:18 AnShion <12> klogd: [ 5414.703003] [] skb_find_text+0x62/0x90 Jul 25 15:13:18 AnShion <12> klogd: [ 5414.759145] [] string_mt+0x5b/0x90 Jul 25 15:13:18 AnShion <12> klogd: [ 5414.811140] [] ipt_do_table+0x295/0x3b0 Jul 25 15:13:18 AnShion <12> klogd: [ 5414.868323] [] iptable_mangle_hook+0x40/0x150 Jul 25 15:13:18 AnShion <12> klogd: [ 5414.931729] [] nf_iterate+0x67/0x90 Jul 25 15:13:18 AnShion <12> klogd: [ 5414.984760] [] ? ip_forward_finish+0x0/0x60 Jul 25 15:13:18 AnShion <12> klogd: [ 5415.046089] [] nf_hook_slow+0xa0/0xf0 Jul 25 15:13:18 AnShion <12> klogd: [ 5415.101195] [] ? ip_forward_finish+0x0/0x60 Jul 25 15:13:18 AnShion <12> klogd: [ 5415.162525] [] ip_forward+0x1dd/0x430 Jul 25 15:13:18 AnShion <12> klogd: [ 5415.217631] [] ? ip_forward_finish+0x0/0x60 Jul 25 15:13:18 AnShion <12> klogd: [ 5415.278962] [] ip_rcv_finish+0x241/0x3c0 Jul 25 15:13:18 AnShion <12> klogd: [ 5415.337181] [] ip_rcv+0x2a6/0x320 Jul 25 15:13:18 AnShion <12> klogd: [ 5415.388142] [] ? ip_rcv_finish+0x0/0x3c0 Jul 25 15:13:18 AnShion <12> klogd: [ 5415.446365] [] __netif_receive_skb+0x258/0x520 Jul 25 15:13:18 AnShion <12> klogd: [ 5415.510811] [] ? add_partial+0x40/0x70 Jul 25 15:13:18 AnShion <12> klogd: [ 5415.566956] [] netif_receive_skb+0x23/0x50 Jul 25 15:13:18 AnShion <12> klogd: [ 5415.627248] [] napi_skb_finish+0x37/0x50 Jul 25 15:13:18 AnShion <12> klogd: [ 5415.685469] [] napi_gro_receive+0xdb/0xf0 Jul 25 15:13:18 AnShion <12> klogd: [ 5415.744722] [] ? consume_skb+0x4f/0x70 Jul 25 15:13:18 AnShion <12> klogd: [ 5415.800881] [] igb_poll+0x5fc/0xef0 [igb] Jul 25 15:13:18 AnShion <12> klogd: [ 5415.860137] [] ? _raw_spin_lock+0x8/0x10 Jul 25 15:13:18 AnShion <12> klogd: [ 5415.918359] [] ? add_partial+0x40/0x70 Jul 25 15:13:18 AnShion <12> klogd: [ 5415.974502] [] ? __slab_free+0xc7/0xd0 Jul 25 15:13:18 AnShion <12> klogd: [ 5416.030645] [] ? __slab_free+0xc7/0xd0 Jul 25 15:13:18 AnShion <12> klogd: [ 5416.086787] [] ? _raw_spin_lock+0x8/0x10 Jul 25 15:13:18 AnShion <12> klogd: [ 5416.145008] [] ? default_spin_lock_flags+0x8/0x10 Jul 25 15:13:18 AnShion <12> klogd: [ 5416.212568] [] ? _raw_spin_lock_irqsave+0x28/0x40 Jul 25 15:13:18 AnShion <12> klogd: [ 5416.280124] [] net_rx_action+0xaa/0x1a0 Jul 25 15:13:18 AnShion <12> klogd: [ 5416.337306] [] __do_softirq+0xb1/0x190 Jul 25 15:13:18 AnShion <12> klogd: [ 5416.393445] [] ? __do_softirq+0x0/0x190 Jul 25 15:13:18 AnShion <8> klogd: [ 5416.450626] Jul 25 15:13:18 AnShion <12> klogd: [ 5416.475750] [] ? irq_exit+0x5d/0x80 Jul 25 15:13:18 AnShion <12> klogd: [ 5416.528782] [] ? do_IRQ+0x45/0xb0 Jul 25 15:13:18 AnShion <12> klogd: [ 5416.579736] [] ? irq_exit+0x75/0x80 Jul 25 15:13:18 AnShion <12> klogd: [ 5416.632767] [] ? smp_apic_timer_interrupt+0x56/0x90 Jul 25 15:13:18 AnShion <12> klogd: [ 5416.702403] [] ? common_interrupt+0x30/0x38 Jul 25 15:13:18 AnShion <12> klogd: [ 5416.763733] [] ? acpi_idle_enter_c1+0x78/0x95 Jul 25 15:13:18 AnShion <12> klogd: [ 5416.827142] [] ? cpuidle_idle_call+0xd9/0x1c0 Jul 25 15:13:18 AnShion <12> klogd: [ 5416.890545] [] ? cpu_idle+0x8a/0xc0 Jul 25 15:13:18 AnShion <12> klogd: [ 5416.943574] [] ? start_secondary+0x1a1/0x1e8 Jul 25 15:13:18 AnShion <8> klogd: [ 5417.005943] Code: 74 26 00 8b 15 8c a4 d5 c1 55 89 e5 e8 e2 f8 ff ff 5d c3 55 89 c1 89 e5 57 56 53 89 d3 83 ec 04 89 e0 25 00 e0 ff ff 83 40 14 01 <8b> 01 c1 e8 1e 69 c0 80 03 00 00 05 00 79 b3 c0 2b 80 4c 03 00