Messages in this thread | | | Date | Wed, 9 Jan 2013 04:50:53 -0500 (EST) | From | CAI Qian <> | Subject | oom caused disk corruption on 3.7.1 |
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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.
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
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