----- Original Message ----- > From: "CAI Qian" <caiqian@xxxxxxxxxx> > To: "linux-mm" kvack.org> > Cc: stable@xxxxxxxxxxxxxxx, "linux-kernel" vger.kernel.org> > Sent: Wednesday, January 9, 2013 5:50:53 PM > Subject: oom caused disk corruption on 3.7.1 > > While doing oom testing on a power7 system with swapping, > it was swallowed a panic on v3.7.1 below. Without a swap device, > it is running fine. v3.0 has the same problem. This is weird that if turned on those options, CONFIG_PCIEPORTBUS=y CONFIG_PCIEAER=y it turns out to be fine except some warnings which looks like better than a panic. INFO: task (tmpfiles):5456 blocked for more than 120 seconds. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. (tmpfiles) D 00003fff877fb508 0 5456 1 0x00000080 Call Trace: [c00000001cf76a30] [c0000000010a2180] jiffies+0x0/0x80 (unreliable) [c00000001cf76c00] [c000000000014960] .__switch_to+0x110/0x240 [c00000001cf76cb0] [c0000000006b1cc0] .__schedule+0x3c0/0x8b0 [c00000001cf76f30] [c0000000006affb4] .schedule_timeout+0x1e4/0x2d0 [c00000001cf77030] [c0000000006b23fc] .wait_for_common+0x18c/0x200 [c00000001cf77110] [c0000000002863a8] .xfs_buf_iowait+0x88/0x150 [c00000001cf771a0] [c000000000286700] .xfs_buf_read_map+0xd0/0x170 [c00000001cf77240] [c0000000002f4074] .xfs_trans_read_buf_map+0x204/0x570 [c00000001cf77300] [c0000000002c5940] .xfs_da_read_buf+0x100/0x250 [c00000001cf773f0] [c0000000002c7098] .xfs_da_node_lookup_int+0xc8/0x440 [c00000001cf774c0] [c0000000002d0c60] .xfs_dir2_node_lookup+0x70/0x1d0 [c00000001cf77570] [c0000000002c8fe4] .xfs_dir_lookup+0x214/0x230 [c00000001cf776a0] [c00000000029f068] .xfs_lookup+0xb8/0x1a0 [c00000001cf77760] [c000000000293f50] .xfs_vn_lookup+0x60/0xd0 [c00000001cf77800] [c0000000001db454] .lookup_real+0x44/0xa0 [c00000001cf77890] [c0000000001e16e8] .do_last+0xad8/0xe00 [c00000001cf779c0] [c0000000001e1afc] .path_openat+0xec/0x5f0 [c00000001cf77ae0] [c0000000001e2450] .do_filp_open+0x40/0xb0 [c00000001cf77c10] [c0000000001d6308] .open_exec+0x48/0x170 [c00000001cf77cc0] [c0000000001d7ae0] .do_execve_common.isra.19+0x240/0x4e0 [c00000001cf77da0] [c0000000001d8100] .SyS_execve+0x50/0x90 [c00000001cf77e30] [c0000000000097d4] syscall_exit+0x0/0x94 > > Test case is here, > http://tinyurl.com/bzzmrb8 > > ... > [ 763.781571] Write-error on swap-device (253:0:7545984) > [ 763.781573] sd 0:0:1:0: rejecting I/O to offline device > [ 763.781574] Write-error on swap-device (253:0:7546240) > [ 763.781576] sd 0:0:1:0: rejecting I/O to offline device > [ 763.781577] Kernel panic - not syncing: Attempted to kill init! > exitcode=0x0000000b > [ 763.781578] Write-error on swap-device (253:0:7546496) > [ 763.781579] Call Trace: > [ 763.781580] sd 0:0:1:0: rejecting I/O to offline device > [ 763.781590] [c0000002eac83870] [c000000000015884] > .show_stack+0x74/0x1b0 (unreliable) > [ 763.781595] [c0000002eac83920] [c000000000721d28] > .panic+0xe4/0x264 > [ 763.781598] [c0000002eac839c0] [c0000000000886e4] > .do_exit+0x954/0x960 > [ 763.781601] [c0000002eac83ac0] [c0000000000889d4] > .do_group_exit+0x54/0xf0 > [ 763.781604] [c0000002eac83b50] [c00000000009be28] > .get_signal_to_deliver+0x1f8/0x730 > [ 763.781606] [c0000002eac83c60] [c000000000017924] > .do_signal+0x54/0x320 > [ 763.781608] [c0000002eac83da0] [c000000000017d74] > .do_notify_resume+0xb4/0xd0 > [ 763.781611] [c0000002eac83e30] [c000000000009e1c] > .ret_from_except_lite+0x48/0x4c > [ 763.781612] Write-error on swap-device (253:0:7546752) > [ 763.781613] sd 0:0:1:0: rejecting I/O to offline device > [ 763.781615] Write-error on swap-device (253:0:7547008) > [ 763.781616] Sending IPI to other CPUs > [ 763.781616] sd 0:0:1:0: rejecting I/O to offline device > [ 763.781618] Write-error on swap-device (253:0:7547392) > [ 763.781619] sd 0:0:1:0: rejecting I/O to offline device > [ 763.781620] Write-error on swap-device (253:0:7547648) > [ 763.781622] sd 0:0:1:0: rejecting I/O to offline device > [ 763.781623] Write-error on swap-device (253:0:7547904) > [ 763.781625] sd 0:0:1:0: rejecting I/O to offline device > [ 763.781627] Write-error on swap-device (253:0:7548160) > [ 763.781628] sd 0:0:1:0: rejecting I/O to offline device > [ 763.781630] Write-error on swap-device (253:0:7548416) > [ 763.781631] sd 0:0:1:0: rejecting I/O to offline device > [ 763.781632] Write-error on swap-device (253:0:7548672) > [ 763.781634] sd 0:0:1:0: rejecting I/O to offline device > [ 763.781635] Write-error on swap-device (253:0:7548928) > [ 773.781972] ERROR: 1 cpu(s) not responding > > KERNEL: /boot/vmlinux-3.7.1+ > DUMPFILE: /var/crash/127.0.0.1-2013.01.09-19:12:02/vmcore > CPUS: 28 > DATE: Tue Jan 8 23:11:35 2013 > UPTIME: 00:12:43 > LOAD AVERAGE: 5.88, 4.82, 2.51 > TASKS: 278 > RELEASE: 3.7.1+ > VERSION: #0 SMP Tue Jan 8 06:59:49 EST 2013 > MACHINE: ppc64 (3550 Mhz) > MEMORY: 12 GB > PANIC: "Kernel panic - not syncing: Attempted to kill init! > exitcode=0x0000000b" > PID: 1 > COMMAND: "systemd" > TASK: c0000002eac00000 [THREAD_INFO: c0000002eac80000] > CPU: 18 > STATE: TASK_INTERRUPTIBLE|TASK_UNINTERRUPTIBLE|TASK_TRACED > (PANIC) > > crash> bt > PID: 1 TASK: c0000002eac00000 CPU: 18 COMMAND: "systemd" > > R0: c000000000721d34 R1: c0000002eac83920 R2: > c000000001157098 > R3: c0000002eac83790 R4: c0000002eac00000 R5: > 0000000000000070 > R6: 0000000000000000 R7: c0000002fff584a0 R8: > 0000000000000000 > R9: c0000002e7909000 R10: 0000000000000001 R11: > 6578636570745f6c > R12: 0000000022004884 R13: c000000007f23f00 R14: > 0000000000040006 > R15: 00000000279b056c R16: c0000002eac83ea0 R17: > c000000001398ab8 > R18: c0000002eac00000 R19: c0000002eac00000 R20: > 00000000003c0000 > R21: c0000002eac00a14 R22: c0000000011b2080 R23: > c0000002eac83a30 > R24: c000000018d90000 R25: 0000000000000140 R26: > 0000000000106001 > R27: c0000002eac83790 R28: c0000000013ba848 R29: > 0000000000000000 > R30: c0000000010d4d18 R31: c00000000101e4b0 > NIP: c000000000721d34 MSR: 8000000000009032 OR3: > c0000002eac83920 > CTR: 0000000000000000 LR: c000000000721d34 XER: > 0000000000000001 > CCR: 0000000022004882 MQ: 3030303030303030 DAR: > 0000000000000000 > DSISR: c000000018d90000 Syscall Result: 0000000000000140 > NIP [c000000000721d34] .panic > > #0 [c0000002eac83920] .panic at c000000000721d34 > #1 [c0000002eac839c0] .do_exit at c0000000000886e4 > #2 [c0000002eac83ac0] .do_group_exit at c0000000000889d4 > #3 [c0000002eac83b50] .get_signal_to_deliver at c00000000009be28 > #4 [c0000002eac83c60] .do_signal at c000000000017924 > #5 [c0000002eac83da0] .do_notify_resume at c000000000017d74 > #6 [c0000002eac83e30] .ret_from_except_lite at c000000000009e1c > > CAI Qian -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. 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