Kernel crashes once a week with<br />
<4>divide error: 0000 [<a href="http://bugs.centos.org/view.php?id=1">0000001</a>] SMP <br />
<4>last sysfs file: /sys/devices/pci0000:00/0000:00:01.1/0000:02:00.0/host0/scsi_host/host0/3ware_stats<br />
<4>CPU 1 <br />
<4>Modules linked in: cpufreq_ondemand acpi_cpufreq freq_table mperf ipv6 cls_u32 sch_sfq sch_prio iptable_filter ip_tables tcp_yeah tcp_vegas iTCO_wdt iTCO_vendor_support microcode e1000e ptp pps_core serio_raw sg i2c_i801 i2c_core lpc_ich mfd_core shpchp ext4 jbd2 mbcache sd_mod crc_t10dif ahci video output 3w_sas dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]<br />
<4><br />
<4>Pid: 5844, comm: lighttpd Not tainted 2.6.32-431.5.1.el6.x86_64 <a href="http://bugs.centos.org/view.php?id=1">0000001</a> Supermicro X9SCL/X9SCM/X9SCL/X9SCM<br />
<4>RIP: 0010:[<ffffffff814ab6b6>] [<ffffffff814ab6b6>] tcp_fastretrans_alert+0x906/0x10f0<br />
<4>RSP: 0018:ffff8800282438a0 EFLAGS: 00010246<br />
<4>RAX: ffffffffffffffff RBX: ffff880779528180 RCX: 0000000000000001<br />
<4>RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff880779528180<br />
<4>RBP: ffff8800282438e0 R08: 0000000000000506 R09: 0000000000000024<br />
<4>R10: dead000000200200 R11: 0000000000000000 R12: 0000000000000001<br />
<4>R13: 0000000000000001 R14: 0000000000000506 R15: 0000000000000000<br />
<4>FS: 00007f4c2cdec7c0(0000) GS:ffff880028240000(0000) knlGS:0000000000000000<br />
<4>CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033<br />
<4>CR2: 00000000054344f8 CR3: 0000000820a59000 CR4: 00000000001407e0<br />
<4>DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000<br />
<4>DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400<br />
<4>Process lighttpd (pid: 5844, threadinfo ffff880820a70000, task ffff88081e09b540)<br />
<4>Stack:<br />
<4> ffff8800282438e0 0000000081079272 0000000000000004 ffff880779528180<br />
<4><d> 0000000000000506 0000000000000033 0000000000000006 0000000000000004<br />
<4><d> ffff8800282439b0 ffffffff814ac54c ffffc90000000004 000000000000000e<br />
<4>Call Trace:<br />
<4> <IRQ> <br />
<4> [<ffffffff814ac54c>] tcp_ack+0x6ac/0x1360<br />
<4> [<ffffffff814ad5f8>] tcp_rcv_established+0x3f8/0x7f0<br />
<4> [<ffffffff814b5963>] tcp_v4_do_rcv+0x2e3/0x490<br />
<4> [<ffffffff814b726a>] tcp_v4_rcv+0x51a/0x900<br />
<4> [<ffffffff814943f0>] ? ip_local_deliver_finish+0x0/0x2d0<br />
<4> [<ffffffff814944cd>] ip_local_deliver_finish+0xdd/0x2d0<br />
<4> [<ffffffff81494758>] ip_local_deliver+0x98/0xa0<br />
<4> [<ffffffff81493c1d>] ip_rcv_finish+0x12d/0x440<br />
<4> [<ffffffff8149a3e8>] ? ip_finish_output+0x148/0x310<br />
<4> [<ffffffff814941a5>] ip_rcv+0x275/0x350<br />
<4> [<ffffffff8145b74b>] __netif_receive_skb+0x4ab/0x750<br />
<4> [<ffffffff81499965>] ? ip_local_out+0x25/0x30<br />
<4> [<ffffffff8145f3b8>] netif_receive_skb+0x58/0x60<br />
<4> [<ffffffff8145f4c0>] napi_skb_finish+0x50/0x70<br />
<4> [<ffffffff81460c29>] napi_gro_receive+0x39/0x50<br />
<4> [<ffffffffa016d267>] e1000_receive_skb+0x67/0x110 [e1000e]<br />
<4> [<ffffffffa016fe6f>] e1000_clean_rx_irq+0x37f/0x580 [e1000e]<br />
<4> [<ffffffffa01729ad>] e1000e_poll+0xbd/0x2d0 [e1000e]<br />
<4> [<ffffffff81460d43>] net_rx_action+0x103/0x2f0<br />
<4> [<ffffffff8107a8e1>] __do_softirq+0xc1/0x1e0<br />
<4> [<ffffffff810e6eb0>] ? handle_IRQ_event+0x60/0x170<br />
<4> [<ffffffff8107a93f>] ? __do_softirq+0x11f/0x1e0<br />
<4> [<ffffffff8100c30c>] call_softirq+0x1c/0x30<br />
<4> [<ffffffff8100fa75>] do_softirq+0x65/0xa0<br />
<4> [<ffffffff8107a795>] irq_exit+0x85/0x90<br />
<4> [<ffffffff815312f5>] do_IRQ+0x75/0xf0<br />
<4> [<ffffffff8100b9d3>] ret_from_intr+0x0/0x11<br />
<4> <EOI> <br />
<4> [<ffffffffa0006740>] ? linear_merge+0x0/0x60 [dm_mod]<br />
<4> [<ffffffff811c992a>] ? do_mpage_readpage+0x54a/0x5f0<br />
<4> [<ffffffff811c96f0>] ? do_mpage_readpage+0x310/0x5f0<br />
<4> [<ffffffff8114237e>] ? __inc_zone_page_state+0x2e/0x30<br />
<4> [<ffffffff811368d0>] ? __lru_cache_add+0x40/0x90<br />
<4> [<ffffffff811c9b29>] mpage_readpages+0xe9/0x130<br />
<4> [<ffffffffa0099360>] ? ext4_get_block+0x0/0x120 [ext4]<br />
<4> [<ffffffffa0099360>] ? ext4_get_block+0x0/0x120 [ext4]<br />
<4> [<ffffffff81167a8a>] ? alloc_pages_current+0xaa/0x110<br />
<4> [<ffffffffa009594d>] ext4_readpages+0x1d/0x20 [ext4]<br />
<4> [<ffffffff81135565>] __do_page_cache_readahead+0x185/0x210<br />
<4> [<ffffffff81135611>] ra_submit+0x21/0x30<br />
<4> [<ffffffff81135985>] ondemand_readahead+0x115/0x240<br />
<4> [<ffffffff8111f57b>] ? find_get_pages_contig+0xbb/0x120<br />
<4> [<ffffffff81135ba3>] page_cache_sync_readahead+0x33/0x50<br />
<4> [<ffffffff811b9b3d>] __generic_file_splice_read+0x4ed/0x560<br />
<4> [<ffffffff814a2a2a>] ? tcp_sendpage+0xca/0x590<br />
<4> [<ffffffff814464a8>] ? kernel_sendpage+0x58/0x90<br />
<4> [<ffffffff8144651b>] ? sock_sendpage+0x3b/0x40<br />
<4> [<ffffffff811b7154>] ? pipe_to_sendpage+0x94/0xa0<br />
<4> [<ffffffff811b7859>] ? page_cache_pipe_buf_release+0x19/0x30<br />
<4> [<ffffffff811b7870>] ? spd_release_page+0x0/0x20<br />
<4> [<ffffffff811b7c9c>] ? splice_from_pipe+0x5c/0x70<br />
<4> [<ffffffff811b9bfa>] generic_file_splice_read+0x4a/0x90<br />
<4> [<ffffffff811b7e3b>] do_splice_to+0x6b/0xa0<br />
<4> [<ffffffff811b807f>] splice_direct_to_actor+0xaf/0x1c0<br />
<4> [<ffffffff811b7da0>] ? direct_splice_actor+0x0/0x30<br />
<4> [<ffffffff811b81dd>] do_splice_direct+0x4d/0x60<br />
<4> [<ffffffff8118936c>] do_sendfile+0x18c/0x1f0<br />
<4> [<ffffffff81189451>] sys_sendfile64+0x81/0xb0<br />
<4> [<ffffffff8100b072>] system_call_fastpath+0x16/0x1b<br />
<4>Code: 05 00 00 8b 93 30 05 00 00 44 01 e0 89 83 58 06 00 00 39 ca 73 4f 89 d2 89 c0 8b b3 54 06 00 00 48 0f af c2 31 d2 48 8d 44 06 ff <48> f7 f6 2b 83 5c 06 00 00 44 39 e8 48 89 df 41 0f 4c c5 8d 0c <br />
<1>RIP [<ffffffff814ab6b6>] tcp_fastretrans_alert+0x906/0x10f0
↧