[Bug 199435] HPSA + P420i resetting logical Direct-Access never complete

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https://bugzilla.kernel.org/show_bug.cgi?id=199435

--- Comment #7 from Anthony Hausman (anthonyhaussmann@xxxxxxxxx) ---
I had a similar stack trace:

Apr 20 14:57:18 kernel: INFO: task jbd2/sdt-8:10890 blocked for more than 120
seconds.
Apr 20 14:57:18 kernel:       Tainted: G           OE   4.11.0-14-generic
#20~16.04.1-Ubuntu
Apr 20 14:57:18 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
Apr 20 14:57:18 kernel: jbd2/sdt-8      D    0 10890      2 0x00000000
Apr 20 14:57:18 kernel: Call Trace:
Apr 20 14:57:18 kernel:  __schedule+0x3b9/0x8f0
Apr 20 14:57:18 kernel:  schedule+0x36/0x80
Apr 20 14:57:18 kernel:  jbd2_journal_commit_transaction+0x241/0x1830
Apr 20 14:57:18 kernel:  ? update_load_avg+0x84/0x560
Apr 20 14:57:18 kernel:  ? update_load_avg+0x84/0x560
Apr 20 14:57:18 kernel:  ? dequeue_entity+0xed/0x4c0
Apr 20 14:57:18 kernel:  ? wake_atomic_t_function+0x60/0x60
Apr 20 14:57:18 kernel:  ? lock_timer_base+0x7d/0xa0
Apr 20 14:57:18 kernel:  kjournald2+0xca/0x250
Apr 20 14:57:18 kernel:  ? kjournald2+0xca/0x250
Apr 20 14:57:18 kernel:  ? wake_atomic_t_function+0x60/0x60
Apr 20 14:57:18 kernel:  kthread+0x109/0x140
Apr 20 14:57:18 kernel:  ? commit_timeout+0x10/0x10
Apr 20 14:57:18 kernel:  ? kthread_create_on_node+0x70/0x70
Apr 20 14:57:18 kernel:  ret_from_fork+0x25/0x30
Apr 20 14:57:18 kernel: INFO: task task:13497 blocked for more than 120
seconds.
Apr 20 14:57:18 kernel:       Tainted: G           OE   4.11.0-14-generic
#20~16.04.1-Ubuntu
Apr 20 14:57:18 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
Apr 20 14:57:18 kernel: task            D    0 13497  13196 0x00000000
Apr 20 14:57:18 kernel: Call Trace:
Apr 20 14:57:18 kernel:  __schedule+0x3b9/0x8f0
Apr 20 14:57:18 kernel:  schedule+0x36/0x80
Apr 20 14:57:18 kernel:  rwsem_down_write_failed+0x237/0x3b0
Apr 20 14:57:18 kernel:  ? copy_page_to_iter_iovec+0x97/0x170
Apr 20 14:57:18 kernel:  call_rwsem_down_write_failed+0x17/0x30
Apr 20 14:57:18 kernel:  ? call_rwsem_down_write_failed+0x17/0x30
Apr 20 14:57:18 kernel:  down_write+0x2d/0x40
Apr 20 14:57:18 kernel:  ext4_file_write_iter+0x70/0x3c0
Apr 20 14:57:18 kernel:  ? futex_wake+0x90/0x170
Apr 20 14:57:18 kernel:  new_sync_write+0xd3/0x130
Apr 20 14:57:18 kernel:  __vfs_write+0x26/0x40
Apr 20 14:57:18 kernel:  vfs_write+0xb8/0x1b0
Apr 20 14:57:18 kernel:  SyS_pwrite64+0x95/0xb0
Apr 20 14:57:18 kernel:  entry_SYSCALL_64_fastpath+0x1e/0xad
Apr 20 14:57:18 kernel: RIP: 0033:0x7fa085d92d23
Apr 20 14:57:18 kernel: RSP: 002b:00007fa0801acc90 EFLAGS: 00000293 ORIG_RAX:
0000000000000012
Apr 20 14:57:18 kernel: RAX: ffffffffffffffda RBX: 00007fa0480009d0 RCX:
00007fa085d92d23
Apr 20 14:57:18 kernel: RDX: 0000000000000200 RSI: 00007fa004000b30 RDI:
000000000000000f
Apr 20 14:57:18 kernel: RBP: 00007fa0801ad060 R08: 00007fa0801acd2c R09:
0000000000000001
Apr 20 14:57:18 kernel: R10: 00000001f86be000 R11: 0000000000000293 R12:
00007fa0040014c0
Apr 20 14:57:18 kernel: R13: 00007fa004000d80 R14: 000000000000002e R15:
00007fa0480009d0
Apr 20 14:57:18 kernel: INFO: task task:13499 blocked for more than 120
seconds.
Apr 20 14:57:18 kernel:       Tainted: G           OE   4.11.0-14-generic
#20~16.04.1-Ubuntu
Apr 20 14:57:18 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
Apr 20 14:57:18 kernel: task            D    0 13499  13196 0x00000000
Apr 20 14:57:18 kernel: Call Trace:
Apr 20 14:57:18 kernel:  __schedule+0x3b9/0x8f0
Apr 20 14:57:18 kernel:  schedule+0x36/0x80
Apr 20 14:57:18 kernel:  rwsem_down_write_failed+0x237/0x3b0
Apr 20 14:57:18 kernel:  ? copy_page_to_iter_iovec+0x97/0x170
Apr 20 14:57:18 kernel:  call_rwsem_down_write_failed+0x17/0x30
Apr 20 14:57:18 kernel:  ? call_rwsem_down_write_failed+0x17/0x30
Apr 20 14:57:18 kernel:  down_write+0x2d/0x40
Apr 20 14:57:18 kernel:  ext4_file_write_iter+0x70/0x3c0
Apr 20 14:57:18 kernel:  ? futex_wake+0x90/0x170
Apr 20 14:57:18 kernel:  new_sync_write+0xd3/0x130
Apr 20 14:57:18 kernel:  __vfs_write+0x26/0x40
Apr 20 14:57:18 kernel:  vfs_write+0xb8/0x1b0
Apr 20 14:57:18 kernel:  SyS_pwrite64+0x95/0xb0
Apr 20 14:57:18 kernel:  entry_SYSCALL_64_fastpath+0x1e/0xad
Apr 20 14:57:18 kernel: RIP: 0033:0x7fa085d92d23
Apr 20 14:57:18 kernel: RSP: 002b:00007fa07f9abc90 EFLAGS: 00000293 ORIG_RAX:
0000000000000012
Apr 20 14:57:18 kernel: RAX: ffffffffffffffda RBX: 00007f9fac008d00 RCX:
00007fa085d92d23
Apr 20 14:57:18 kernel: RDX: 0000000000000200 RSI: 00007fa0080013b0 RDI:
000000000000000f
Apr 20 14:57:18 kernel: RBP: 00007fa07f9ac060 R08: 00007fa07f9abd2c R09:
0000000000000001
Apr 20 14:57:18 kernel: R10: 0000000219541000 R11: 0000000000000293 R12:
00007fa008001140
Apr 20 14:57:18 kernel: R13: 00007fa0080008c0 R14: 000000000000002e R15:
00007f9fac008d00
Apr 20 14:57:18 kernel: INFO: task task:13510 blocked for more than 120
seconds.
Apr 20 14:57:18 kernel:       Tainted: G           OE   4.11.0-14-generic
#20~16.04.1-Ubuntu
Apr 20 14:57:18 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
Apr 20 14:57:18 kernel: task            D    0 13510  13196 0x00000000
Apr 20 14:57:18 kernel: Call Trace:
Apr 20 14:57:18 kernel:  __schedule+0x3b9/0x8f0
Apr 20 14:57:18 kernel:  schedule+0x36/0x80
Apr 20 14:57:18 kernel:  rwsem_down_write_failed+0x237/0x3b0
Apr 20 14:57:18 kernel:  ? copy_page_to_iter_iovec+0x97/0x170
Apr 20 14:57:18 kernel:  call_rwsem_down_write_failed+0x17/0x30
Apr 20 14:57:18 kernel:  ? call_rwsem_down_write_failed+0x17/0x30
Apr 20 14:57:18 kernel:  down_write+0x2d/0x40
Apr 20 14:57:18 kernel:  ext4_file_write_iter+0x70/0x3c0
Apr 20 14:57:18 kernel:  ? futex_wake+0x90/0x170
Apr 20 14:57:18 kernel:  new_sync_write+0xd3/0x130
Apr 20 14:57:18 kernel:  __vfs_write+0x26/0x40
Apr 20 14:57:18 kernel:  vfs_write+0xb8/0x1b0
Apr 20 14:57:18 kernel:  SyS_pwrite64+0x95/0xb0
Apr 20 14:57:18 kernel:  entry_SYSCALL_64_fastpath+0x1e/0xad
Apr 20 14:57:18 kernel: RIP: 0033:0x7fa085d92d23
Apr 20 14:57:18 kernel: RSP: 002b:00007fa07a9a1c90 EFLAGS: 00000293 ORIG_RAX:
0000000000000012
Apr 20 14:57:18 kernel: RAX: ffffffffffffffda RBX: 00007f9fe0007700 RCX:
00007fa085d92d23
Apr 20 14:57:18 kernel: RDX: 0000000000000200 RSI: 00007f9fe0000b30 RDI:
000000000000000f
Apr 20 14:57:18 kernel: RBP: 00007f9fe0007970 R08: 00007fa07a9a1d2c R09:
0000000000000001
Apr 20 14:57:18 kernel: R10: 00000001b890c000 R11: 0000000000000293 R12:
0000000000000270
Apr 20 14:57:18 kernel: R13: 0000000000000060 R14: 00007f9fe0007ec0 R15:
00007f9fe0000020
Apr 20 14:57:18 kernel: INFO: task task:13585 blocked for more than 120
seconds.
Apr 20 14:57:18 kernel:       Tainted: G           OE   4.11.0-14-generic
#20~16.04.1-Ubuntu
Apr 20 14:57:18 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
Apr 20 14:57:18 kernel: task            D    0 13585  13196 0x00000000
Apr 20 14:57:18 kernel: Call Trace:
Apr 20 14:57:18 kernel:  __schedule+0x3b9/0x8f0
Apr 20 14:57:18 kernel:  ? __dev_queue_xmit+0x268/0x680
Apr 20 14:57:18 kernel:  schedule+0x36/0x80
Apr 20 14:57:18 kernel:  wait_transaction_locked+0x8a/0xd0
Apr 20 14:57:18 kernel:  ? wake_atomic_t_function+0x60/0x60
Apr 20 14:57:18 kernel:  add_transaction_credits+0x1c1/0x2a0
Apr 20 14:57:18 kernel:  start_this_handle+0x103/0x3f0
Apr 20 14:57:18 kernel:  ? kmem_cache_alloc+0xd7/0x1b0
Apr 20 14:57:18 kernel:  jbd2__journal_start+0xdb/0x1f0
Apr 20 14:57:18 kernel:  ? ext4_dirty_inode+0x32/0x70
Apr 20 14:57:18 kernel:  __ext4_journal_start_sb+0x6d/0x120
Apr 20 14:57:18 kernel:  ext4_dirty_inode+0x32/0x70
Apr 20 14:57:18 kernel:  __mark_inode_dirty+0x176/0x370
Apr 20 14:57:18 kernel:  generic_update_time+0x7b/0xd0
Apr 20 14:57:18 kernel:  ? current_time+0x38/0x80
Apr 20 14:57:18 kernel:  file_update_time+0xb7/0x110
Apr 20 14:57:18 kernel:  __generic_file_write_iter+0x9d/0x1f0
Apr 20 14:57:18 kernel:  ext4_file_write_iter+0x21a/0x3c0
Apr 20 14:57:18 kernel:  ? futex_wake+0x90/0x170
Apr 20 14:57:18 kernel:  new_sync_write+0xd3/0x130
Apr 20 14:57:18 kernel:  __vfs_write+0x26/0x40
Apr 20 14:57:18 kernel:  vfs_write+0xb8/0x1b0
Apr 20 14:57:18 kernel:  ? SyS_futex+0x7f/0x180
Apr 20 14:57:18 kernel:  SyS_pwrite64+0x95/0xb0
Apr 20 14:57:18 kernel:  entry_SYSCALL_64_fastpath+0x1e/0xad
Apr 20 14:57:18 kernel: RIP: 0033:0x7fa085d92d23
Apr 20 14:57:18 kernel: RSP: 002b:00007fa06c184d70 EFLAGS: 00000293 ORIG_RAX:
0000000000000012
Apr 20 14:57:18 kernel: RAX: ffffffffffffffda RBX: 00007f9f640014e0 RCX:
00007fa085d92d23
Apr 20 14:57:18 kernel: RDX: 0000000000000200 RSI: 00007f9f64001750 RDI:
000000000000000f
Apr 20 14:57:18 kernel: RBP: 00007f9f640017b8 R08: 00007fa06c184e0c R09:
0000000000000001
Apr 20 14:57:18 kernel: R10: 0000000166f7b000 R11: 0000000000000293 R12:
0000000000000024
Apr 20 14:57:18 kernel: R13: 0000005d6f4d6d18 R14: 000000000000001c R15:
00007f9f8c005d60
Apr 20 14:57:18 kernel: INFO: task statsync:17472 blocked for more than 120
seconds.
Apr 20 14:57:18 kernel:       Tainted: G           OE   4.11.0-14-generic
#20~16.04.1-Ubuntu
Apr 20 14:57:18 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
Apr 20 14:57:18 kernel: statsync        D    0 17472  13196 0x00000000
Apr 20 14:57:18 kernel: Call Trace:
Apr 20 14:57:18 kernel:  __schedule+0x3b9/0x8f0
Apr 20 14:57:18 kernel:  schedule+0x36/0x80
Apr 20 14:57:18 kernel:  rwsem_down_write_failed+0x237/0x3b0
Apr 20 14:57:18 kernel:  call_rwsem_down_write_failed+0x17/0x30
Apr 20 14:57:18 kernel:  ? call_rwsem_down_write_failed+0x17/0x30
Apr 20 14:57:18 kernel:  down_write+0x2d/0x40
Apr 20 14:57:18 kernel:  ext4_file_write_iter+0x70/0x3c0
Apr 20 14:57:18 kernel:  new_sync_write+0xd3/0x130
Apr 20 14:57:18 kernel:  __vfs_write+0x26/0x40
Apr 20 14:57:18 kernel:  vfs_write+0xb8/0x1b0
Apr 20 14:57:18 kernel:  ? SyS_futex+0x7f/0x180
Apr 20 14:57:18 kernel:  SyS_pwrite64+0x95/0xb0
Apr 20 14:57:18 kernel:  entry_SYSCALL_64_fastpath+0x1e/0xad
Apr 20 14:57:18 kernel: RIP: 0033:0x7fa085d92d23
Apr 20 14:57:18 kernel: RSP: 002b:00007fa050ff8020 EFLAGS: 00000293 ORIG_RAX:
0000000000000012
Apr 20 14:57:18 kernel: RAX: ffffffffffffffda RBX: 00007fa050ff80c0 RCX:
00007fa085d92d23
Apr 20 14:57:18 kernel: RDX: 0000000000000038 RSI: 00007fa050ff8130 RDI:
000000000000000f
Apr 20 14:57:18 kernel: RBP: 00007fa04c00fcd0 R08: 00007fa050ff80bc R09:
0000000000000001
Apr 20 14:57:18 kernel: R10: 0000000000000000 R11: 0000000000000293 R12:
00007fa04c0008c0
Apr 20 14:57:18 kernel: R13: 00007fa050ff80c0 R14: 00007fa04c01b560 R15:
00007fa04c000998
Apr 20 14:57:18 kernel: INFO: task kworker/u130:6:47634 blocked for more than
120 seconds.
Apr 20 14:57:18 kernel:       Tainted: G           OE   4.11.0-14-generic
#20~16.04.1-Ubuntu
Apr 20 14:57:18 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
Apr 20 14:57:18 kernel: kworker/u130:6  D    0 47634      2 0x00000000
Apr 20 14:57:18 kernel: Workqueue: writeback wb_workfn (flush-65:48)
Apr 20 14:57:18 kernel: Call Trace:
Apr 20 14:57:18 kernel:  __schedule+0x3b9/0x8f0
Apr 20 14:57:18 kernel:  ? blk_queue_bio+0x1df/0x430
Apr 20 14:57:18 kernel:  schedule+0x36/0x80
Apr 20 14:57:18 kernel:  wait_transaction_locked+0x8a/0xd0
Apr 20 14:57:18 kernel:  ? wake_atomic_t_function+0x60/0x60
Apr 20 14:57:18 kernel:  add_transaction_credits+0x1c1/0x2a0
Apr 20 14:57:18 kernel:  ? __slab_alloc+0x20/0x40
Apr 20 14:57:18 kernel:  start_this_handle+0x103/0x3f0
Apr 20 14:57:18 kernel:  ? mempool_alloc+0x6e/0x170
Apr 20 14:57:18 kernel:  ? kmem_cache_alloc+0xd7/0x1b0
Apr 20 14:57:18 kernel:  jbd2__journal_start+0xdb/0x1f0
Apr 20 14:57:18 kernel:  ? ext4_writepages+0x4e6/0xe20
Apr 20 14:57:18 kernel:  __ext4_journal_start_sb+0x6d/0x120
Apr 20 14:57:18 kernel:  ext4_writepages+0x4e6/0xe20
Apr 20 14:57:18 kernel:  ? swiotlb_unmap_sg_attrs+0x40/0x70
Apr 20 14:57:18 kernel:  ? scsi_dma_map+0x98/0xc0
Apr 20 14:57:18 kernel:  ? __enqueue_cmd_and_start_io.isra.41+0x77/0x150 [hpsa]
Apr 20 14:57:18 kernel:  ? enqueue_cmd_and_start_io+0x18/0x80 [hpsa]
Apr 20 14:57:18 kernel:  ? hpsa_ciss_submit+0x31b/0x400 [hpsa]
Apr 20 14:57:18 kernel:  do_writepages+0x1e/0x30
Apr 20 14:57:18 kernel:  ? do_writepages+0x1e/0x30
Apr 20 14:57:18 kernel:  __writeback_single_inode+0x45/0x330
Apr 20 14:57:18 kernel:  writeback_sb_inodes+0x26a/0x5f0
Apr 20 14:57:18 kernel:  __writeback_inodes_wb+0x92/0xc0
Apr 20 14:57:18 kernel:  wb_writeback+0x26e/0x320
Apr 20 14:57:18 kernel:  wb_workfn+0x2cf/0x3a0
Apr 20 14:57:18 kernel:  ? wb_workfn+0x2cf/0x3a0
Apr 20 14:57:18 kernel:  process_one_work+0x16b/0x4a0
Apr 20 14:57:18 kernel:  worker_thread+0x4b/0x500
Apr 20 14:57:18 kernel:  kthread+0x109/0x140
Apr 20 14:57:18 kernel:  ? process_one_work+0x4a0/0x4a0
Apr 20 14:57:18 kernel:  ? kthread_create_on_node+0x70/0x70
Apr 20 14:57:18 kernel:  ret_from_fork+0x25/0x30

And once again, it has caused nothing on the server, no offline or critical
disk return by hpsa utilities or heavy load.
But it directly concerns the hpsa module and the workqueue.

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