103 lines
4.5 KiB
Diff
103 lines
4.5 KiB
Diff
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From 95ab000388974d8ffef8257306b4be6e8778b768 Mon Sep 17 00:00:00 2001
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From: Jianpeng Ma <majianpeng@gmail.com>
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Date: Sat, 4 Aug 2012 10:34:14 +0800
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Subject: [PATCH] [SCSI] mvsas: Fix oops when ata commond timeout.
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Kernel message follows:
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[ 511.712011] sd 11:0:0:0: [sdf] command ffff8800a4e81400 timed out
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[ 511.712022] sas: Enter sas_scsi_recover_host busy: 1 failed: 1
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[ 511.712024] sas: trying to find task 0xffff8800a4d24c80
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[ 511.712026] sas: sas_scsi_find_task: aborting task 0xffff8800a4d24c80
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[ 511.712029] drivers/scsi/mvsas/mv_sas.c 1631:mvs_abort_task()
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mvi=ffff8800b5300000 task=ffff8800a4d24c80 slot=ffff8800b5325038
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slot_idx=x0
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[ 511.712035] BUG: unable to handle kernel NULL pointer dereference at
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0000000000000058
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[ 511.712040] IP: [<ffffffff815f8c0c>] _raw_spin_lock_irqsave+0xc/0x30
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[ 511.712047] PGD 0
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[ 511.712049] Oops: 0002 [#1] SMP
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[ 511.712052] Modules linked in: mvsas libsas scsi_transport_sas
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raid456 async_pq async_xor xor async_memcpy async_raid6_recov raid6_pq
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async_tx [last unloaded: mvsas]
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[ 511.712062] CPU 3
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[ 511.712066] Pid: 7322, comm: scsi_eh_11 Not tainted 3.5.0+ #106 To Be
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Filled By O.E.M. To Be Filled By O.E.M./To be filled by O.E.M.
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[ 511.712068] RIP: 0010:[<ffffffff815f8c0c>] [<ffffffff815f8c0c>]
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_raw_spin_lock_irqsave+0xc/0x30
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[ 511.712073] RSP: 0018:ffff880098d3bcb0 EFLAGS: 00010086
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[ 511.712074] RAX: 0000000000000286 RBX: 0000000000000058 RCX:
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00000000000000c3
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[ 511.712076] RDX: 0000000000000100 RSI: 0000000000000046 RDI:
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0000000000000058
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[ 511.712078] RBP: ffff880098d3bcb0 R08: 000000000000000a R09:
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0000000000000000
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[ 511.712080] R10: 00000000000004e8 R11: 00000000000004e7 R12:
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ffff8800a4d24c80
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[ 511.712082] R13: 0000000000000050 R14: ffff8800b5325038 R15:
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ffff8800a4eafe00
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[ 511.712084] FS: 0000000000000000(0000) GS:ffff8800bdb80000(0000)
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knlGS:0000000000000000
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[ 511.712086] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
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[ 511.712088] CR2: 0000000000000058 CR3: 00000000a4ce6000 CR4:
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00000000000407e0
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[ 511.712090] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
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0000000000000000
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[ 511.712091] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
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0000000000000400
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[ 511.712093] Process scsi_eh_11 (pid: 7322, threadinfo
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ffff880098d3a000, task ffff8800a61dde40)
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[ 511.712095] Stack:
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[ 511.712096] ffff880098d3bce0 ffffffff81060683 ffff880000000000
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0000000000000000
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[ 511.712099] ffff8800a4d24c80 ffff8800b5300000 ffff880098d3bcf0
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ffffffffa0076a88
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[ 511.712102] ffff880098d3bd50 ffffffffa0079bb5 ffff880000000000
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ffff880000000018
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[ 511.712106] Call Trace:
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[ 511.712110] [<ffffffff81060683>] complete+0x23/0x60
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[ 511.712115] [<ffffffffa0076a88>] mvs_tmf_timedout+0x18/0x20 [mvsas]
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[ 511.712119] [<ffffffffa0079bb5>] mvs_slot_complete+0x765/0x7d0
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[mvsas]
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[ 511.712125] [<ffffffffa005a17d>] sas_scsi_recover_host+0x55d/0xdb0
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[libsas]
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[ 511.712128] [<ffffffff8106d600>] ? idle_balance+0xe0/0x130
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[ 511.712133] [<ffffffff813b150c>] scsi_error_handler+0xcc/0x470
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[ 511.712136] [<ffffffff815f7ad0>] ? __schedule+0x370/0x730
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[ 511.712139] [<ffffffff8105f728>] ? __wake_up_common+0x58/0x90
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[ 511.712142] [<ffffffff813b1440>] ? scsi_eh_get_sense+0x110/0x110
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[ 511.712146] [<ffffffff810571be>] kthread+0x8e/0xa0
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[ 511.712150] [<ffffffff816015f4>] kernel_thread_helper+0x4/0x10
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[ 511.712153] [<ffffffff81057130>] ? flush_kthread_work+0x120/0x120
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[ 511.712156] [<ffffffff816015f0>] ? gs_change+0xb/0xb
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[ 511.712157] Code: 8a 00 01 00 00 89 d0 f0 66 0f b1 0f 66 39 d0 0f 94
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c0 0f b6 c0 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 9c 58 fa ba 00 01
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00 00 <f0> 66 0f c1 17 0f b6 ce 38 d1 74 11 0f 1f 84 00 00 00 00 00 f3
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[ 511.712191] RIP [<ffffffff815f8c0c>] _raw_spin_lock_irqsave+0xc/0x30
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[ 511.712194] RSP <ffff880098d3bcb0>
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[ 511.712196] CR2: 0000000000000058
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[ 511.712198] ---[ end trace a781c7b1e65db92c ]---
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Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
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Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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---
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drivers/scsi/mvsas/mv_sas.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c
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index 4539d59..a3776d6 100644
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--- a/drivers/scsi/mvsas/mv_sas.c
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+++ b/drivers/scsi/mvsas/mv_sas.c
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@@ -1629,7 +1629,7 @@ int mvs_abort_task(struct sas_task *task)
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mv_dprintk("mvs_abort_task() mvi=%p task=%p "
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"slot=%p slot_idx=x%x\n",
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mvi, task, slot, slot_idx);
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- mvs_tmf_timedout((unsigned long)task);
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+ task->task_state_flags |= SAS_TASK_STATE_ABORTED;
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mvs_slot_task_free(mvi, task, slot, slot_idx);
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rc = TMF_RESP_FUNC_COMPLETE;
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goto out;
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--
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1.8.0
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