https://bugzilla.kernel.org/show_bug.cgi?id=199435
--- Comment #7 from Anthony Hausman (anthonyhaussm...@gmail.com) --- 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. -- You are receiving this mail because: You are the assignee for the bug.
