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[SCSI] mvsas: Fix oops when ata commond timeout.
author
Jianpeng Ma
<majianpeng@gmail.com>
Sat, 4 Aug 2012 02:34:14 +0000
(10:34 +0800)
committer
James Bottomley
<JBottomley@Parallels.com>
Fri, 14 Sep 2012 13:48:32 +0000
(14:48 +0100)
Kernel message follows:
[ 511.712011] sd 11:0:0:0: [sdf] command
ffff8800a4e81400
timed out
[ 511.712022] sas: Enter sas_scsi_recover_host busy: 1 failed: 1
[ 511.712024] sas: trying to find task 0xffff8800a4d24c80
[ 511.712026] sas: sas_scsi_find_task: aborting task 0xffff8800a4d24c80
[ 511.712029] drivers/scsi/mvsas/mv_sas.c 1631:mvs_abort_task()
mvi=
ffff8800b5300000
task=
ffff8800a4d24c80
slot=
ffff8800b5325038
slot_idx=x0
[ 511.712035] BUG: unable to handle kernel NULL pointer dereference at
0000000000000058
[ 511.712040] IP: [<
ffffffff815f8c0c
>] _raw_spin_lock_irqsave+0xc/0x30
[ 511.712047] PGD 0
[ 511.712049] Oops: 0002 [#1] SMP
[ 511.712052] Modules linked in: mvsas libsas scsi_transport_sas
raid456 async_pq async_xor xor async_memcpy async_raid6_recov raid6_pq
async_tx [last unloaded: mvsas]
[ 511.712062] CPU 3
[ 511.712066] Pid: 7322, comm: scsi_eh_11 Not tainted 3.5.0+ #106 To Be
Filled By O.E.M. To Be Filled By O.E.M./To be filled by O.E.M.
[ 511.712068] RIP: 0010:[<
ffffffff815f8c0c
>] [<
ffffffff815f8c0c
>]
_raw_spin_lock_irqsave+0xc/0x30
[ 511.712073] RSP: 0018:
ffff880098d3bcb0
EFLAGS:
00010086
[ 511.712074] RAX:
0000000000000286
RBX:
0000000000000058
RCX:
00000000000000c3
[ 511.712076] RDX:
0000000000000100
RSI:
0000000000000046
RDI:
0000000000000058
[ 511.712078] RBP:
ffff880098d3bcb0
R08:
000000000000000a
R09:
0000000000000000
[ 511.712080] R10:
00000000000004e8
R11:
00000000000004e7
R12:
ffff8800a4d24c80
[ 511.712082] R13:
0000000000000050
R14:
ffff8800b5325038
R15:
ffff8800a4eafe00
[ 511.712084] FS:
0000000000000000
(0000) GS:
ffff8800bdb80000
(0000)
knlGS:
0000000000000000
[ 511.712086] CS: 0010 DS: 0000 ES: 0000 CR0:
000000008005003b
[ 511.712088] CR2:
0000000000000058
CR3:
00000000a4ce6000
CR4:
00000000000407e0
[ 511.712090] DR0:
0000000000000000
DR1:
0000000000000000
DR2:
0000000000000000
[ 511.712091] DR3:
0000000000000000
DR6:
00000000ffff0ff0
DR7:
0000000000000400
[ 511.712093] Process scsi_eh_11 (pid: 7322, threadinfo
ffff880098d3a000
, task
ffff8800a61dde40
)
[ 511.712095] Stack:
[ 511.712096]
ffff880098d3bce0
ffffffff81060683
ffff880000000000
0000000000000000
[ 511.712099]
ffff8800a4d24c80
ffff8800b5300000
ffff880098d3bcf0
ffffffffa0076a88
[ 511.712102]
ffff880098d3bd50
ffffffffa0079bb5
ffff880000000000
ffff880000000018
[ 511.712106] Call Trace:
[ 511.712110] [<
ffffffff81060683
>] complete+0x23/0x60
[ 511.712115] [<
ffffffffa0076a88
>] mvs_tmf_timedout+0x18/0x20 [mvsas]
[ 511.712119] [<
ffffffffa0079bb5
>] mvs_slot_complete+0x765/0x7d0
[mvsas]
[ 511.712125] [<
ffffffffa005a17d
>] sas_scsi_recover_host+0x55d/0xdb0
[libsas]
[ 511.712128] [<
ffffffff8106d600
>] ? idle_balance+0xe0/0x130
[ 511.712133] [<
ffffffff813b150c
>] scsi_error_handler+0xcc/0x470
[ 511.712136] [<
ffffffff815f7ad0
>] ? __schedule+0x370/0x730
[ 511.712139] [<
ffffffff8105f728
>] ? __wake_up_common+0x58/0x90
[ 511.712142] [<
ffffffff813b1440
>] ? scsi_eh_get_sense+0x110/0x110
[ 511.712146] [<
ffffffff810571be
>] kthread+0x8e/0xa0
[ 511.712150] [<
ffffffff816015f4
>] kernel_thread_helper+0x4/0x10
[ 511.712153] [<
ffffffff81057130
>] ? flush_kthread_work+0x120/0x120
[ 511.712156] [<
ffffffff816015f0
>] ? gs_change+0xb/0xb
[ 511.712157] Code: 8a 00 01 00 00 89 d0 f0 66 0f b1 0f 66 39 d0 0f 94
c0 0f b6 c0 5d c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 9c 58 fa ba 00 01
00 00 <f0> 66 0f c1 17 0f b6 ce 38 d1 74 11 0f 1f 84 00 00 00 00 00 f3
[ 511.712191] RIP [<
ffffffff815f8c0c
>] _raw_spin_lock_irqsave+0xc/0x30
[ 511.712194] RSP <
ffff880098d3bcb0
>
[ 511.712196] CR2:
0000000000000058
[ 511.712198] ---[ end trace
a781c7b1e65db92c
]---
Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
drivers/scsi/mvsas/mv_sas.c
patch
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blob
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history
diff --git
a/drivers/scsi/mvsas/mv_sas.c
b/drivers/scsi/mvsas/mv_sas.c
index
4539d59
..
a3776d6
100644
(file)
--- a/
drivers/scsi/mvsas/mv_sas.c
+++ b/
drivers/scsi/mvsas/mv_sas.c
@@
-1629,7
+1629,7
@@
int mvs_abort_task(struct sas_task *task)
mv_dprintk("mvs_abort_task() mvi=%p task=%p "
"slot=%p slot_idx=x%x\n",
mvi, task, slot, slot_idx);
-
mvs_tmf_timedout((unsigned long)task)
;
+
task->task_state_flags |= SAS_TASK_STATE_ABORTED
;
mvs_slot_task_free(mvi, task, slot, slot_idx);
rc = TMF_RESP_FUNC_COMPLETE;
goto out;