http://bugzilla.kernel.org/show_bug.cgi?id=12195 ------- Comment #12 from ming.m.lin@xxxxxxxxx 2008-12-15 02:39 ------- (In reply to comment #7) > If you have time for another re-create it would be good to set some scsi > logging. > sysctl -w dev.scsi.logging_level=4100 # mlcomplete 1 and error 4 > echo "1" > /proc/sys/kernel/sysrq # If needed > echo 9 > /proc/sysrq-trigger # Raise console log level > mptscsih: ioc0: attempting task abort! (sc=e000000037a36980) sd 0:0:1:0: [sdb] CDB: cdb[0]=0x28: 28 00 01 3b 4e a0 00 01 00 00 mptbase: ioc0: WARNING - IOC is in FAULT state (000eh)!!! mptbase: ioc0: WARNING - Issuing HardReset from mpt_fault_reset_work!! mptbase: ioc0: Initiating recovery mptbase: ioc0: WARNING - IOC is in FAULT state!!! mptbase: ioc0: WARNING - FAULT code = 000eh mptscsih: ioc0: Issue of TaskMgmt failed! mptscsih: ioc0: task abort: FAILED (sc=e000000037a36980) mptscsih: ioc0: attempting task abort! (sc=e000000037a35f80) sd 0:0:1:0: [sdb] CDB: cdb[0]=0x28: 28 00 01 3b 4f a0 00 01 00 00 mptscsih: ioc0: task abort: FAILED (sc=e000000037a35f80) mptscsih: ioc0: attempting target reset! (sc=e000000037a36980) sd 0:0:1:0: [sdb] CDB: cdb[0]=0x28: 28 00 01 3b 4e a0 00 01 00 00 mptscsih: ioc0: target reset: FAILED (sc=e000000037a36980) mptscsih: ioc0: attempting bus reset! (sc=e000000037a36980) sd 0:0:1:0: [sdb] CDB: cdb[0]=0x28: 28 00 01 3b 4e a0 00 01 00 00 mptscsih: ioc0: bus reset: FAILED (sc=e000000037a36980) mptscsih: ioc0: attempting host reset! (sc=e000000037a36980) mptscsih: ioc0: host reset: SUCCESS (sc=e000000037a36980) sd 0:0:1:0: Device offlined - not ready after error recovery sd 0:0:1:0: Device offlined - not ready after error recovery sd 0:0:1:0: [sdb] Result: hostbyte=0x00 driverbyte=0x06 end_request: I/O error, dev sdb, sector 20663968 Buffer I/O error on device sdb, logical block 5165992 Buffer I/O error on device sdb, logical block 5165993 Buffer I/O error on device sdb, logical block 5165994 Buffer I/O error on device sdb, logical block 5165995 Buffer I/O error on device sdb, logical block 5165996 Buffer I/O error on device sdb, logical block 5165997 Buffer I/O error on device sdb, logical block 5165998 Buffer I/O error on device sdb, logical block 5165999 Buffer I/O error on device sdb, logical block 5166000 Buffer I/O error on device sdb, logical block 5166001 sd 0:0:1:0: rejecting I/O to offline device sd 0:0:1:0: [sdb] Result: hostbyte=0x00 driverbyte=0x06 end_request: I/O error, dev sdb, sector 20664224 mptbase: ioc0: ERROR - Doorbell ACK timeout (count=4999), IntStatus=80000000! sd 0:0:1:0: mptscsih: ioc0: completing cmds: fw_channel 0, fw_id 1, sc=e000000037a36980, mf = e0000000406847e0, idx=55 sd 0:0:1:0: mptscsih: ioc0: completing cmds: fw_channel 0, fw_id 1, sc=e000000037a35f80, mf = e0000000406883e0, idx=f5 Unable to handle kernel NULL pointer dereference (address 0000000000000044) mpt_poll_0[378]: Oops 8813272891392 [1] Modules linked in: Pid: 378, CPU 1, comm: mpt_poll_0 psr : 0000101008026018 ifs : 8000000000000289 ip : [<a0000001003988b0>] Not tainted (2.6.28-rc8-mlin) ip is at scsi_softirq_done+0x50/0x2e0 unat: 0000000000000000 pfs : 0000000000000184 rsc : 0000000000000003 rnat: 5555555555555555 bsps: 5555555555555555 pr : 000002a1491599a5 ldrs: 0000000000000000 ccv : 0000000000000000 fpsr: 0009804c8a70033f csd : 0000000000000000 ssd : 0000000000000000 b0 : a000000100245310 b6 : a000000100398860 b7 : a000000100011ec0 f6 : 1003e0000000000000000 f7 : 1003e0000000000200802 f8 : 1003e0000000080000000 f9 : 1003e00000000000001d3 f10 : 1003e392baaf0b5995995 f11 : 1003e0000000000000030 r1 : a000000100a2c6c0 r2 : e000000001105ec8 r3 : e000000035e2d688 r8 : e000000035e2d680 r9 : ffffffffffff5ec8 r10 : 0000000000000018 r11 : 0000000000000044 r12 : e0000000405c7830 r13 : e0000000405c0000 r14 : e0000000405c7850 r15 : e0000000405c7858 r16 : 0000000000000020 r17 : 0000000000000030 r18 : e000000035e2d7c0 r19 : e000000035e2d750 r20 : 0000000000000001 r21 : a000000100398860 r22 : e000000040599ac0 r23 : e000000040599a18 r24 : e000000035e2d6b0 r25 : e0000000405c7850 r26 : e0000000405c7850 r27 : e000000035e2d688 r28 : e0000000405c7858 r29 : a000000100011ec0 r30 : 0000000000000000 r31 : e000000008a78000 Call Trace: [<a000000100012870>] show_stack+0x50/0xa0 sp=e0000000405c7400 bsp=e0000000405c1368 [<a000000100013150>] show_regs+0x830/0x860 sp=e0000000405c75d0 bsp=e0000000405c1320 [<a000000100022a60>] die+0x1c0/0x2c0 sp=e0000000405c75d0 bsp=e0000000405c12d8 [<a000000100042350>] ia64_do_page_fault+0x830/0x960 sp=e0000000405c75d0 bsp=e0000000405c1278 [<a00000010000ba20>] ia64_native_leave_kernel+0x0/0x270 sp=e0000000405c7660 bsp=e0000000405c1278 [<a0000001003988b0>] scsi_softirq_done+0x50/0x2e0 sp=e0000000405c7830 bsp=e0000000405c1230 [<a000000100245310>] blk_done_softirq+0x170/0x1c0 sp=e0000000405c7840 bsp=e0000000405c1218 [<a00000010006f3d0>] __do_softirq+0x110/0x2e0 sp=e0000000405c7850 bsp=e0000000405c1180 [<a00000010006f610>] do_softirq+0x70/0xc0 sp=e0000000405c7850 bsp=e0000000405c1120 [<a00000010006fa50>] irq_exit+0x70/0xa0 sp=e0000000405c7850 bsp=e0000000405c1108 [<a000000100011c70>] ia64_handle_irq+0x350/0x380 sp=e0000000405c7850 bsp=e0000000405c10d0 [<a00000010000ba20>] ia64_native_leave_kernel+0x0/0x270 sp=e0000000405c7850 bsp=e0000000405c10d0 [<a0000001000662e0>] vprintk+0x660/0x6a0 sp=e0000000405c7a20 bsp=e0000000405c1000 [<a0000001000663a0>] printk+0x80/0xc0 sp=e0000000405c7a90 bsp=e0000000405c0f98 [<a0000001003d4c50>] mptscsih_ioc_reset+0x250/0x420 sp=e0000000405c7ad0 bsp=e0000000405c0f30 [<a0000001003d9c50>] mptspi_ioc_reset+0x30/0xa0 sp=e0000000405c7ae0 bsp=e0000000405c0f08 [<a0000001003c1d30>] mpt_signal_reset+0x150/0x180 sp=e0000000405c7ae0 bsp=e0000000405c0ed8 [<a0000001003c53c0>] KickStart+0x680/0x1000 sp=e0000000405c7ae0 bsp=e0000000405c0e70 [<a0000001003c5f50>] MakeIocReady+0x210/0x500 sp=e0000000405c7ae0 bsp=e0000000405c0e18 [<a0000001003c86f0>] mpt_do_ioc_recovery+0x150/0x2840 sp=e0000000405c7ae0 bsp=e0000000405c0d48 [<a0000001003caf80>] mpt_HardResetHandler+0x1a0/0x2a0 sp=e0000000405c7dd0 bsp=e0000000405c0d00 [<a0000001003cb190>] mpt_fault_reset_work+0x110/0x260 sp=e0000000405c7dd0 bsp=e0000000405c0cc0 [<a00000010008a310>] run_workqueue+0x1f0/0x340 sp=e0000000405c7dd0 bsp=e0000000405c0c80 [<a00000010008a5a0>] worker_thread+0x140/0x180 sp=e0000000405c7dd0 bsp=e0000000405c0c58 [<a000000100092aa0>] kthread+0xa0/0x120 sp=e0000000405c7e30 bsp=e0000000405c0c28 [<a000000100014430>] kernel_thread_helper+0x30/0x60 sp=e0000000405c7e30 bsp=e0000000405c0c00 [<a00000010000a0c0>] start_kernel_thread+0x20/0x40 sp=e0000000405c7e30 bsp=e0000000405c0c00 Kernel panic - not syncing: Aiee, killing interrupt handler! 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