From mboxrd@z Thu Jan 1 00:00:00 1970 From: TB Subject: divide error: 0000, in bictcp_cong_avoid, kernel 2.6.39 Date: Mon, 04 Jul 2011 10:23:00 -0400 Message-ID: <4E11CCC4.2010404@techboom.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit To: netdev@vger.kernel.org Return-path: Received: from s040.panelboxmanager.com ([72.55.186.60]:43742 "EHLO s040.panelboxmanager.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754319Ab1GDPDG (ORCPT ); Mon, 4 Jul 2011 11:03:06 -0400 Received: from [68.67.52.186] (helo=[192.168.100.149]) by s040.panelboxmanager.com with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.69) (envelope-from ) id 1Qdk43-000grq-Pw for netdev@vger.kernel.org; Mon, 04 Jul 2011 10:23:55 -0400 Sender: netdev-owner@vger.kernel.org List-ID: [1819042.176427] divide error: 0000 [#1] SMP [1819042.176462] last sysfs file: /sys/devices/pci0000:00/0000:00:1f.2/host6/scsi_host/host6/proc_name [1819042.176511] CPU 0 [1819042.176518] Modules linked in: i2c_i801 i2c_core evdev button [last unloaded: scsi_wait_scan] [1819042.176600] [1819042.176621] Pid: 14810, comm: nginx Not tainted 2.6.39 #1 Supermicro X8DT3 /X8DT3 [1819042.176676] RIP: 0010:[] [] bictcp_cong_avoid+0x281/0x2bc [1819042.176731] RSP: 0018:ffff88043fc03a50 EFLAGS: 00010246 [1819042.176758] RAX: 0000000000000000 RBX: ffff88001f84fa90 RCX: 0000000000000000 [1819042.176803] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000c170 [1819042.176847] RBP: 0000000000000025 R08: 00000000000000b5 R09: 00000000000068f2 [1819042.176892] R10: ffff88001e914c00 R11: 0000000000007f0a R12: ffff88001f84f6c0 [1819042.176936] R13: 000000011b24cfc6 R14: 0000000000010015 R15: 000000000000003d [1819042.176980] FS: 00007fa411dd4700(0000) GS:ffff88043fc00000(0000) knlGS:0000000000000000 [1819042.177027] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [1819042.177055] CR2: 00000000058f8f76 CR3: 000000011c252000 CR4: 00000000000006f0 [1819042.177099] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [1819042.177143] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [1819042.177188] Process nginx (pid: 14810, threadinfo ffff8806ce9a0000, task ffff88042f42f620) [1819042.177234] Stack: [1819042.177255] ffff88001f84f9d0 ffffffff81801620 0000000000000282 ffffffff81038dae [1819042.177311] 0000000000000b0c ffffffff81054aa5 ffff8800864cddc0 ffff88001f84f6c0 [1819042.177368] ffffffff81801620 0000000000000406 ffff88001f84f6c0 ffffffff81801620 [1819042.177424] Call Trace: [1819042.177446] [1819042.177474] [] ? ns_to_timeval+0x9/0x27 [1819042.177503] [] ? getnstimeofday+0x55/0xaf [1819042.177534] [] ? tcp_ack+0x18b5/0x1a89 [1819042.177563] [] ? tcp_rcv_established+0xd1/0xa13 [1819042.177593] [] ? tcp_v4_do_rcv+0x1b2/0x382 [1819042.177623] [] ? nf_iterate+0x40/0x78 [1819042.177651] [] ? tcp_v4_rcv+0x48d/0x7a6 [1819042.177680] [] ? ip_local_deliver_finish+0xae/0x13f [1819042.177711] [] ? __netif_receive_skb+0x33a/0x369 [1819042.177741] [] ? netif_receive_skb+0x67/0x6d [1819042.177771] [] ? napi_gro_receive+0x9d/0xab [1819042.177800] [] ? napi_skb_finish+0x1c/0x31 [1819042.177829] [] ? igb_poll+0x7d5/0xb2e [1819042.177859] [] ? lock_timer_base+0x26/0x4c [1819042.177888] [] ? net_rx_action+0xa7/0x212 [1819042.177924] [] ? __do_softirq+0xbe/0x184 [1819042.177954] [] ? call_softirq+0x1c/0x30 [1819042.177983] [] ? do_softirq+0x31/0x63 [1819042.178011] [] ? irq_exit+0x3f/0x9e [1819042.178039] [] ? do_IRQ+0x98/0xae [1819042.178068] [] ? common_interrupt+0x13/0x13 [1819042.178095] [1819042.178122] [] ? blk_finish_plug+0xb/0x2a [1819042.178151] [] ? copy_user_generic_string+0x2d/0x40 [1819042.178184] [] ? file_read_actor+0xb9/0x136 [1819042.178213] [] ? generic_file_aio_read+0x3a3/0x606 [1819042.178246] [] ? sock_alloc_inode+0xaa/0xaa [1819042.178278] [] ? xfs_file_aio_read+0x219/0x26d [1819042.178312] [] ? do_sync_read+0xb0/0xf2 [1819042.178344] [] ? do_readv_writev+0x15f/0x174 [1819042.178377] [] ? vfs_read+0xaa/0x12e [1819042.178405] [] ? sys_pread64+0x57/0x77 [1819042.178434] [] ? system_call_fastpath+0x16/0x1b [1819042.178463] Code: 29 e9 31 d2 89 e8 f7 f1 41 39 84 24 d0 03 00 00 76 08 41 89 84 24 d0 03 00 00 41 8b 84 24 d0 03 00 00 31 d2 c1 e0 04 0f b7 4b 2c f7> f1 ba 01 00 00 00 85 c0 0f 45 d0 41 89 94 24 d0 03 00 00 41 [1819042.178736] RIP [] bictcp_cong_avoid+0x281/0x2bc [1819042.178769] RSP [1819042.179048] ---[ end trace ebccdce72afe641d ]--- [1819042.179106] Kernel panic - not syncing: Fbictcp_cong_avoidatal exception in interrupt [1819042.179166] Pid: 14810, comm: nginx Tainted: G D 2.6.39bakhoss #1 [1819042.179226] Call Trace: [1819042.179279] [] ? panic+0x9d/0x1a0 [1819042.179374] [] ? oops_end+0x61/0xac [1819042.179432] [] ? common_interrupt+0x13/0x13 [1819042.179497] [] ? kmsg_dump+0x46/0xec [1819042.179555] [] ? oops_end+0x9f/0xac [1819042.179613] [] ? do_divide_error+0x7f/0x89 [1819042.179672] [] ? bictcp_cong_avoid+0x281/0x2bc [1819042.179732] [] ? dev_hard_start_xmit+0x3fc/0x581 [1819042.179793] [] ? ip_options_build+0x149/0x149 [1819042.179852] [] ? divide_error+0x15/0x20 [1819042.179911] [] ? bictcp_cong_avoid+0x281/0x2bc [1819042.179971] [] ? ns_to_timeval+0x9/0x27 [1819042.180030] [] ? getnstimeofday+0x55/0xaf [1819042.180089] [] ? tcp_ack+0x18b5/0x1a89 [1819042.180150] [] ? tcp_rcv_established+0xd1/0xa13 [1819042.180210] [] ? tcp_v4_do_rcv+0x1b2/0x382 [1819042.180270] [] ? nf_iterate+0x40/0x78 [1819042.180328] [] ? tcp_v4_rcv+0x48d/0x7a6 [1819042.180394] [] ? ip_local_deliver_finish+0xae/0x13f [1819042.180457] [] ? __netif_receive_skb+0x33a/0x369 [1819042.180518] [] ? netif_receive_skb+0x67/0x6d [1819042.180581] [] ? napi_gro_receive+0x9d/0xab [1819042.180646] [] ? napi_skb_finish+0x1c/0x31 [1819042.180706] [] ? igb_poll+0x7d5/0xb2e [1819042.180765] [] ? lock_timer_base+0x26/0x4c [1819042.180825] [] ? net_rx_action+0xa7/0x212 [1819042.180884] [] ? __do_softirq+0xbe/0x184 [1819042.180944] [] ? call_softirq+0x1c/0x30 [1819042.181003] [] ? do_softirq+0x31/0x63 [1819042.181061] [] ? irq_exit+0x3f/0x9e [1819042.181118] [] ? do_IRQ+0x98/0xae [1819042.181176] [] ? common_interrupt+0x13/0x13 [1819042.181235] [] ? blk_finish_plug+0xb/0x2a [1819042.181330] [] ? copy_user_generic_string+0x2d/0x40 [1819042.181397] [] ? file_read_actor+0xb9/0x136 [1819042.181456] [] ? generic_file_aio_read+0x3a3/0x606 [1819042.181517] [] ? sock_alloc_inode+0xaa/0xaa [1819042.181577] [] ? xfs_file_aio_read+0x219/0x26d [1819042.181637] [] ? do_sync_read+0xb0/0xf2 [1819042.181696] [] ? do_readv_writev+0x15f/0x174 [1819042.181755] [] ? vfs_read+0xaa/0x12e [1819042.181813] [] ? sys_pread64+0x57/0x77 [1819042.181873] [] ? system_call_fastpath+0x16/0x1b