Jul 17 16:47:09 prod-dbsnap-01 kernel: INFO: task btrfs-transacti:1361 blocked for more than 122 seconds.
Jul 17 16:47:09 prod-dbsnap-01 kernel:      Not tainted 5.2.1-1.el7.elrepo.x86_64 #1
Jul 17 16:47:09 prod-dbsnap-01 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jul 17 16:47:09 prod-dbsnap-01 kernel: btrfs-transacti D    0  1361      2 0x80004000
Jul 17 16:47:09 prod-dbsnap-01 kernel: Call Trace:
Jul 17 16:47:09 prod-dbsnap-01 kernel: __schedule+0x2a9/0x650
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? blk_flush_plug_list+0xd1/0x100
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? bit_wait+0x50/0x50
Jul 17 16:47:09 prod-dbsnap-01 kernel: schedule+0x38/0xa0
Jul 17 16:47:09 prod-dbsnap-01 kernel: io_schedule+0x16/0x40
Jul 17 16:47:09 prod-dbsnap-01 kernel: bit_wait_io+0x11/0x50
Jul 17 16:47:09 prod-dbsnap-01 kernel: __wait_on_bit+0x6b/0xa0
Jul 17 16:47:09 prod-dbsnap-01 kernel: out_of_line_wait_on_bit+0x91/0xb0
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? init_wait_var_entry+0x50/0x50
Jul 17 16:47:09 prod-dbsnap-01 kernel: lock_extent_buffer_for_io+0x12f/0x320 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: btree_write_cache_pages+0x207/0x420 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: btree_writepages+0x5d/0x70 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: do_writepages+0x1f/0x70
Jul 17 16:47:09 prod-dbsnap-01 kernel: __filemap_fdatawrite_range+0xc6/0x100
Jul 17 16:47:09 prod-dbsnap-01 kernel: filemap_fdatawrite_range+0x13/0x20
Jul 17 16:47:09 prod-dbsnap-01 kernel: btrfs_write_marked_extents+0x107/0x150 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: btrfs_write_and_wait_transaction.isra.26+0x4d/0xa0 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: btrfs_commit_transaction+0x7b4/0xab0 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: transaction_kthread+0x157/0x190 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: kthread+0x105/0x140
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? btrfs_cleanup_transaction+0x580/0x580 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? kthread_bind+0x20/0x20
Jul 17 16:47:09 prod-dbsnap-01 kernel: ret_from_fork+0x35/0x40
Jul 17 16:47:09 prod-dbsnap-01 kernel: INFO: task postgres:62682 blocked for more than 122 seconds.
Jul 17 16:47:09 prod-dbsnap-01 kernel:      Not tainted 5.2.1-1.el7.elrepo.x86_64 #1
Jul 17 16:47:09 prod-dbsnap-01 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jul 17 16:47:09 prod-dbsnap-01 kernel: postgres        D    0 62682  20074 0x00004000
Jul 17 16:47:09 prod-dbsnap-01 kernel: Call Trace:
Jul 17 16:47:09 prod-dbsnap-01 kernel: __schedule+0x2a9/0x650
Jul 17 16:47:09 prod-dbsnap-01 kernel: schedule+0x38/0xa0
Jul 17 16:47:09 prod-dbsnap-01 kernel: schedule_preempt_disabled+0xe/0x10
Jul 17 16:47:09 prod-dbsnap-01 kernel: __mutex_lock.isra.11+0x233/0x4e0
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? __switch_to_asm+0x40/0x70
Jul 17 16:47:09 prod-dbsnap-01 kernel: __mutex_lock_slowpath+0x13/0x20
Jul 17 16:47:09 prod-dbsnap-01 kernel: mutex_lock+0x31/0x40
Jul 17 16:47:09 prod-dbsnap-01 kernel: btrfs_log_inode_parent+0x70c/0xdd0 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? prepare_to_wait_event+0x82/0x170
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? wait_current_trans+0x33/0x100 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? _cond_resched+0x19/0x30
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? join_transaction+0x2b/0x460 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: btrfs_log_dentry_safe+0x59/0x80 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: btrfs_sync_file+0x35b/0x410 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: vfs_fsync_range+0x3f/0x80
Jul 17 16:47:09 prod-dbsnap-01 kernel: do_fsync+0x3d/0x70
Jul 17 16:47:09 prod-dbsnap-01 kernel: __x64_sys_fdatasync+0x17/0x20
Jul 17 16:47:09 prod-dbsnap-01 kernel: do_syscall_64+0x60/0x1c0
Jul 17 16:47:09 prod-dbsnap-01 kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
Jul 17 16:47:09 prod-dbsnap-01 kernel: RIP: 0033:0x7fdbacc98310
Jul 17 16:47:09 prod-dbsnap-01 kernel: Code: 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 8d 6c 2d 00 00 75 10 b8 4b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 2e 6a 01 00 48 89 04 24
Jul 17 16:47:09 prod-dbsnap-01 kernel: RSP: 002b:00007fff8e7c2908 EFLAGS: 00000246 ORIG_RAX: 000000000000004b
Jul 17 16:47:09 prod-dbsnap-01 kernel: RAX: ffffffffffffffda RBX: 0000000000018cbc RCX: 00007fdbacc98310
Jul 17 16:47:09 prod-dbsnap-01 kernel: RDX: 0000000000000027 RSI: 0000000000018cbc RDI: 0000000000000004
Jul 17 16:47:09 prod-dbsnap-01 kernel: RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
Jul 17 16:47:09 prod-dbsnap-01 kernel: R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000004
Jul 17 16:47:09 prod-dbsnap-01 kernel: R13: 0000000001228189 R14: 00007fdb9caf9280 R15: 0000000000000100
Jul 17 16:47:09 prod-dbsnap-01 kernel: INFO: task postgres:80145 blocked for more than 122 seconds.
Jul 17 16:47:09 prod-dbsnap-01 kernel:      Not tainted 5.2.1-1.el7.elrepo.x86_64 #1
Jul 17 16:47:09 prod-dbsnap-01 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jul 17 16:47:09 prod-dbsnap-01 kernel: postgres        D    0 80145  80126 0x00004000
Jul 17 16:47:09 prod-dbsnap-01 kernel: Call Trace:
Jul 17 16:47:09 prod-dbsnap-01 kernel: __schedule+0x2a9/0x650
Jul 17 16:47:09 prod-dbsnap-01 kernel: schedule+0x38/0xa0
Jul 17 16:47:09 prod-dbsnap-01 kernel: schedule_preempt_disabled+0xe/0x10
Jul 17 16:47:09 prod-dbsnap-01 kernel: __mutex_lock.isra.11+0x233/0x4e0
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? __switch_to_asm+0x40/0x70
Jul 17 16:47:09 prod-dbsnap-01 kernel: __mutex_lock_slowpath+0x13/0x20
Jul 17 16:47:09 prod-dbsnap-01 kernel: mutex_lock+0x31/0x40
Jul 17 16:47:09 prod-dbsnap-01 kernel: btrfs_log_inode_parent+0x163/0xdd0 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? prepare_to_wait_event+0x82/0x170
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? wait_current_trans+0x33/0x100 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? _cond_resched+0x19/0x30
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? join_transaction+0x2b/0x460 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: btrfs_log_dentry_safe+0x59/0x80 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: btrfs_sync_file+0x35b/0x410 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: vfs_fsync_range+0x3f/0x80
Jul 17 16:47:09 prod-dbsnap-01 kernel: do_fsync+0x3d/0x70
Jul 17 16:47:09 prod-dbsnap-01 kernel: __x64_sys_fsync+0x14/0x20
Jul 17 16:47:09 prod-dbsnap-01 kernel: do_syscall_64+0x60/0x1c0
Jul 17 16:47:09 prod-dbsnap-01 kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
Jul 17 16:47:09 prod-dbsnap-01 kernel: RIP: 0033:0x7f1de34bdd00
Jul 17 16:47:09 prod-dbsnap-01 kernel: Code: Bad RIP value.
Jul 17 16:47:09 prod-dbsnap-01 kernel: RSP: 002b:00007fff3d26d058 EFLAGS: 00000246 ORIG_RAX: 000000000000004a
Jul 17 16:47:09 prod-dbsnap-01 kernel: RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1de34bdd00
Jul 17 16:47:09 prod-dbsnap-01 kernel: RDX: 0000000000000120 RSI: 00007f1dc4a9e580 RDI: 0000000000000003
Jul 17 16:47:09 prod-dbsnap-01 kernel: RBP: 00007f1de38c97f0 R08: 00007f1dc4a9e690 R09: 00007f1dc4a9e588
Jul 17 16:47:09 prod-dbsnap-01 kernel: R10: 00007f1de1303c8c R11: 0000000000000246 R12: 00000086e3333668
Jul 17 16:47:09 prod-dbsnap-01 kernel: R13: 0000000000000001 R14: 00007fff3d26d560 R15: 0000000000000010
Jul 17 16:47:09 prod-dbsnap-01 kernel: INFO: task postgres:87299 blocked for more than 122 seconds.
Jul 17 16:47:09 prod-dbsnap-01 kernel:      Not tainted 5.2.1-1.el7.elrepo.x86_64 #1
Jul 17 16:47:09 prod-dbsnap-01 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jul 17 16:47:09 prod-dbsnap-01 kernel: postgres        D    0 87299  80126 0x00004000
Jul 17 16:47:09 prod-dbsnap-01 kernel: Call Trace:
Jul 17 16:47:09 prod-dbsnap-01 kernel: __schedule+0x2a9/0x650
Jul 17 16:47:09 prod-dbsnap-01 kernel: schedule+0x38/0xa0
Jul 17 16:47:09 prod-dbsnap-01 kernel: schedule_preempt_disabled+0xe/0x10
Jul 17 16:47:09 prod-dbsnap-01 kernel: __mutex_lock.isra.11+0x233/0x4e0
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? __switch_to_asm+0x40/0x70
Jul 17 16:47:09 prod-dbsnap-01 kernel: __mutex_lock_slowpath+0x13/0x20
Jul 17 16:47:09 prod-dbsnap-01 kernel: mutex_lock+0x31/0x40
Jul 17 16:47:09 prod-dbsnap-01 kernel: btrfs_log_inode_parent+0x70c/0xdd0 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? prepare_to_wait_event+0x82/0x170
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? wait_current_trans+0x33/0x100 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? _cond_resched+0x19/0x30
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? join_transaction+0x2b/0x460 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: btrfs_log_dentry_safe+0x59/0x80 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: btrfs_sync_file+0x35b/0x410 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: vfs_fsync_range+0x3f/0x80
Jul 17 16:47:09 prod-dbsnap-01 kernel: do_fsync+0x3d/0x70
Jul 17 16:47:09 prod-dbsnap-01 kernel: __x64_sys_fdatasync+0x17/0x20
Jul 17 16:47:09 prod-dbsnap-01 kernel: do_syscall_64+0x60/0x1c0
Jul 17 16:47:09 prod-dbsnap-01 kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
Jul 17 16:47:09 prod-dbsnap-01 kernel: RIP: 0033:0x7f1de1031310
Jul 17 16:47:09 prod-dbsnap-01 kernel: Code: Bad RIP value.
Jul 17 16:47:09 prod-dbsnap-01 kernel: RSP: 002b:00007fff3d26d208 EFLAGS: 00000246 ORIG_RAX: 000000000000004b
Jul 17 16:47:09 prod-dbsnap-01 kernel: RAX: ffffffffffffffda RBX: 00000000000086e3 RCX: 00007f1de1031310
Jul 17 16:47:09 prod-dbsnap-01 kernel: RDX: 0000000000000027 RSI: 00000000000086e3 RDI: 0000000000000004
Jul 17 16:47:09 prod-dbsnap-01 kernel: RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
Jul 17 16:47:09 prod-dbsnap-01 kernel: R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000004
Jul 17 16:47:09 prod-dbsnap-01 kernel: R13: 0000000001650289 R14: 00007f1dd0e92280 R15: 00000000000000e0
Jul 17 16:47:09 prod-dbsnap-01 kernel: INFO: task postgres:93108 blocked for more than 122 seconds.
Jul 17 16:47:09 prod-dbsnap-01 kernel:      Not tainted 5.2.1-1.el7.elrepo.x86_64 #1
Jul 17 16:47:09 prod-dbsnap-01 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jul 17 16:47:09 prod-dbsnap-01 kernel: postgres        D    0 93108  93106 0x00004000
Jul 17 16:47:09 prod-dbsnap-01 kernel: Call Trace:
Jul 17 16:47:09 prod-dbsnap-01 kernel: __schedule+0x2a9/0x650
Jul 17 16:47:09 prod-dbsnap-01 kernel: schedule+0x38/0xa0
Jul 17 16:47:09 prod-dbsnap-01 kernel: schedule_preempt_disabled+0xe/0x10
Jul 17 16:47:09 prod-dbsnap-01 kernel: __mutex_lock.isra.11+0x233/0x4e0
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? btrfs_must_commit_transaction+0x60/0x70 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: __mutex_lock_slowpath+0x13/0x20
Jul 17 16:47:09 prod-dbsnap-01 kernel: mutex_lock+0x31/0x40
Jul 17 16:47:09 prod-dbsnap-01 kernel: btrfs_log_inode_parent+0x70c/0xdd0 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? wait_current_trans+0x33/0x100 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? _cond_resched+0x19/0x30
Jul 17 16:47:09 prod-dbsnap-01 kernel: ? join_transaction+0x2b/0x460 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: btrfs_log_dentry_safe+0x59/0x80 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: btrfs_sync_file+0x35b/0x410 [btrfs]
Jul 17 16:47:09 prod-dbsnap-01 kernel: vfs_fsync_range+0x3f/0x80
Jul 17 16:47:09 prod-dbsnap-01 kernel: do_fsync+0x3d/0x70
Jul 17 16:47:09 prod-dbsnap-01 kernel: __x64_sys_fsync+0x14/0x20
Jul 17 16:47:09 prod-dbsnap-01 kernel: do_syscall_64+0x60/0x1c0
Jul 17 16:47:09 prod-dbsnap-01 kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
Jul 17 16:47:09 prod-dbsnap-01 kernel: RIP: 0033:0x7f489051dd00
Jul 17 16:47:09 prod-dbsnap-01 kernel: Code: Bad RIP value.
Jul 17 16:47:09 prod-dbsnap-01 kernel: RSP: 002b:00007fff39abd838 EFLAGS: 00000246 ORIG_RAX: 000000000000004a
Jul 17 16:47:09 prod-dbsnap-01 kernel: RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f489051dd00
Jul 17 16:47:09 prod-dbsnap-01 kernel: RDX: 0000000000000180 RSI: 0000000000000002 RDI: 0000000000000003
Jul 17 16:47:09 prod-dbsnap-01 kernel: RBP: 0000000000000000 R08: 3839303030303030 R09: 00007f488dfe920d
Jul 17 16:47:09 prod-dbsnap-01 kernel: R10: 00007f488e363c8c R11: 0000000000000246 R12: 00007fff39abe200
Jul 17 16:47:09 prod-dbsnap-01 kernel: R13: 0000000000000000 R14: 0000000000000014 R15: 00007fff39abe200
Jul 17 16:49:12 prod-dbsnap-01 kernel: INFO: task btrfs-transacti:1361 blocked for more than 245 seconds.
Jul 17 16:49:12 prod-dbsnap-01 kernel:      Not tainted 5.2.1-1.el7.elrepo.x86_64 #1
Jul 17 16:49:12 prod-dbsnap-01 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jul 17 16:49:12 prod-dbsnap-01 kernel: btrfs-transacti D    0  1361      2 0x80004000
Jul 17 16:49:12 prod-dbsnap-01 kernel: Call Trace:
Jul 17 16:49:12 prod-dbsnap-01 kernel: __schedule+0x2a9/0x650
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? blk_flush_plug_list+0xd1/0x100
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? bit_wait+0x50/0x50
Jul 17 16:49:12 prod-dbsnap-01 kernel: schedule+0x38/0xa0
Jul 17 16:49:12 prod-dbsnap-01 kernel: io_schedule+0x16/0x40
Jul 17 16:49:12 prod-dbsnap-01 kernel: bit_wait_io+0x11/0x50
Jul 17 16:49:12 prod-dbsnap-01 kernel: __wait_on_bit+0x6b/0xa0
Jul 17 16:49:12 prod-dbsnap-01 kernel: out_of_line_wait_on_bit+0x91/0xb0
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? init_wait_var_entry+0x50/0x50
Jul 17 16:49:12 prod-dbsnap-01 kernel: lock_extent_buffer_for_io+0x12f/0x320 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: btree_write_cache_pages+0x207/0x420 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: btree_writepages+0x5d/0x70 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: do_writepages+0x1f/0x70
Jul 17 16:49:12 prod-dbsnap-01 kernel: __filemap_fdatawrite_range+0xc6/0x100
Jul 17 16:49:12 prod-dbsnap-01 kernel: filemap_fdatawrite_range+0x13/0x20
Jul 17 16:49:12 prod-dbsnap-01 kernel: btrfs_write_marked_extents+0x107/0x150 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: btrfs_write_and_wait_transaction.isra.26+0x4d/0xa0 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: btrfs_commit_transaction+0x7b4/0xab0 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: transaction_kthread+0x157/0x190 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: kthread+0x105/0x140
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? btrfs_cleanup_transaction+0x580/0x580 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? kthread_bind+0x20/0x20
Jul 17 16:49:12 prod-dbsnap-01 kernel: ret_from_fork+0x35/0x40
Jul 17 16:49:12 prod-dbsnap-01 kernel: INFO: task postgres:62682 blocked for more than 245 seconds.
Jul 17 16:49:12 prod-dbsnap-01 kernel:      Not tainted 5.2.1-1.el7.elrepo.x86_64 #1
Jul 17 16:49:12 prod-dbsnap-01 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jul 17 16:49:12 prod-dbsnap-01 kernel: postgres        D    0 62682  20074 0x00004000
Jul 17 16:49:12 prod-dbsnap-01 kernel: Call Trace:
Jul 17 16:49:12 prod-dbsnap-01 kernel: __schedule+0x2a9/0x650
Jul 17 16:49:12 prod-dbsnap-01 kernel: schedule+0x38/0xa0
Jul 17 16:49:12 prod-dbsnap-01 kernel: schedule_preempt_disabled+0xe/0x10
Jul 17 16:49:12 prod-dbsnap-01 kernel: __mutex_lock.isra.11+0x233/0x4e0
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? __switch_to_asm+0x40/0x70
Jul 17 16:49:12 prod-dbsnap-01 kernel: __mutex_lock_slowpath+0x13/0x20
Jul 17 16:49:12 prod-dbsnap-01 kernel: mutex_lock+0x31/0x40
Jul 17 16:49:12 prod-dbsnap-01 kernel: btrfs_log_inode_parent+0x70c/0xdd0 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? prepare_to_wait_event+0x82/0x170
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? wait_current_trans+0x33/0x100 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? _cond_resched+0x19/0x30
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? join_transaction+0x2b/0x460 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: btrfs_log_dentry_safe+0x59/0x80 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: btrfs_sync_file+0x35b/0x410 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: vfs_fsync_range+0x3f/0x80
Jul 17 16:49:12 prod-dbsnap-01 kernel: do_fsync+0x3d/0x70
Jul 17 16:49:12 prod-dbsnap-01 kernel: __x64_sys_fdatasync+0x17/0x20
Jul 17 16:49:12 prod-dbsnap-01 kernel: do_syscall_64+0x60/0x1c0
Jul 17 16:49:12 prod-dbsnap-01 kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
Jul 17 16:49:12 prod-dbsnap-01 kernel: RIP: 0033:0x7fdbacc98310
Jul 17 16:49:12 prod-dbsnap-01 kernel: Code: Bad RIP value.
Jul 17 16:49:12 prod-dbsnap-01 kernel: RSP: 002b:00007fff8e7c2908 EFLAGS: 00000246 ORIG_RAX: 000000000000004b
Jul 17 16:49:12 prod-dbsnap-01 kernel: RAX: ffffffffffffffda RBX: 0000000000018cbc RCX: 00007fdbacc98310
Jul 17 16:49:12 prod-dbsnap-01 kernel: RDX: 0000000000000027 RSI: 0000000000018cbc RDI: 0000000000000004
Jul 17 16:49:12 prod-dbsnap-01 kernel: RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
Jul 17 16:49:12 prod-dbsnap-01 kernel: R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000004
Jul 17 16:49:12 prod-dbsnap-01 kernel: R13: 0000000001228189 R14: 00007fdb9caf9280 R15: 0000000000000100
Jul 17 16:49:12 prod-dbsnap-01 kernel: INFO: task postgres:80145 blocked for more than 245 seconds.
Jul 17 16:49:12 prod-dbsnap-01 kernel:      Not tainted 5.2.1-1.el7.elrepo.x86_64 #1
Jul 17 16:49:12 prod-dbsnap-01 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jul 17 16:49:12 prod-dbsnap-01 kernel: postgres        D    0 80145  80126 0x00004000
Jul 17 16:49:12 prod-dbsnap-01 kernel: Call Trace:
Jul 17 16:49:12 prod-dbsnap-01 kernel: __schedule+0x2a9/0x650
Jul 17 16:49:12 prod-dbsnap-01 kernel: schedule+0x38/0xa0
Jul 17 16:49:12 prod-dbsnap-01 kernel: schedule_preempt_disabled+0xe/0x10
Jul 17 16:49:12 prod-dbsnap-01 kernel: __mutex_lock.isra.11+0x233/0x4e0
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? __switch_to_asm+0x40/0x70
Jul 17 16:49:12 prod-dbsnap-01 kernel: __mutex_lock_slowpath+0x13/0x20
Jul 17 16:49:12 prod-dbsnap-01 kernel: mutex_lock+0x31/0x40
Jul 17 16:49:12 prod-dbsnap-01 kernel: btrfs_log_inode_parent+0x163/0xdd0 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? prepare_to_wait_event+0x82/0x170
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? wait_current_trans+0x33/0x100 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? _cond_resched+0x19/0x30
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? join_transaction+0x2b/0x460 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: btrfs_log_dentry_safe+0x59/0x80 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: btrfs_sync_file+0x35b/0x410 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: vfs_fsync_range+0x3f/0x80
Jul 17 16:49:12 prod-dbsnap-01 kernel: do_fsync+0x3d/0x70
Jul 17 16:49:12 prod-dbsnap-01 kernel: __x64_sys_fsync+0x14/0x20
Jul 17 16:49:12 prod-dbsnap-01 kernel: do_syscall_64+0x60/0x1c0
Jul 17 16:49:12 prod-dbsnap-01 kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
Jul 17 16:49:12 prod-dbsnap-01 kernel: RIP: 0033:0x7f1de34bdd00
Jul 17 16:49:12 prod-dbsnap-01 kernel: Code: Bad RIP value.
Jul 17 16:49:12 prod-dbsnap-01 kernel: RSP: 002b:00007fff3d26d058 EFLAGS: 00000246 ORIG_RAX: 000000000000004a
Jul 17 16:49:12 prod-dbsnap-01 kernel: RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1de34bdd00
Jul 17 16:49:12 prod-dbsnap-01 kernel: RDX: 0000000000000120 RSI: 00007f1dc4a9e580 RDI: 0000000000000003
Jul 17 16:49:12 prod-dbsnap-01 kernel: RBP: 00007f1de38c97f0 R08: 00007f1dc4a9e690 R09: 00007f1dc4a9e588
Jul 17 16:49:12 prod-dbsnap-01 kernel: R10: 00007f1de1303c8c R11: 0000000000000246 R12: 00000086e3333668
Jul 17 16:49:12 prod-dbsnap-01 kernel: R13: 0000000000000001 R14: 00007fff3d26d560 R15: 0000000000000010
Jul 17 16:49:12 prod-dbsnap-01 kernel: INFO: task postgres:87299 blocked for more than 245 seconds.
Jul 17 16:49:12 prod-dbsnap-01 kernel:      Not tainted 5.2.1-1.el7.elrepo.x86_64 #1
Jul 17 16:49:12 prod-dbsnap-01 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jul 17 16:49:12 prod-dbsnap-01 kernel: postgres        D    0 87299  80126 0x00004000
Jul 17 16:49:12 prod-dbsnap-01 kernel: Call Trace:
Jul 17 16:49:12 prod-dbsnap-01 kernel: __schedule+0x2a9/0x650
Jul 17 16:49:12 prod-dbsnap-01 kernel: schedule+0x38/0xa0
Jul 17 16:49:12 prod-dbsnap-01 kernel: schedule_preempt_disabled+0xe/0x10
Jul 17 16:49:12 prod-dbsnap-01 kernel: __mutex_lock.isra.11+0x233/0x4e0
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? __switch_to_asm+0x40/0x70
Jul 17 16:49:12 prod-dbsnap-01 kernel: __mutex_lock_slowpath+0x13/0x20
Jul 17 16:49:12 prod-dbsnap-01 kernel: mutex_lock+0x31/0x40
Jul 17 16:49:12 prod-dbsnap-01 kernel: btrfs_log_inode_parent+0x70c/0xdd0 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? prepare_to_wait_event+0x82/0x170
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? wait_current_trans+0x33/0x100 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? _cond_resched+0x19/0x30
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? join_transaction+0x2b/0x460 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: btrfs_log_dentry_safe+0x59/0x80 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: btrfs_sync_file+0x35b/0x410 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: vfs_fsync_range+0x3f/0x80
Jul 17 16:49:12 prod-dbsnap-01 kernel: do_fsync+0x3d/0x70
Jul 17 16:49:12 prod-dbsnap-01 kernel: __x64_sys_fdatasync+0x17/0x20
Jul 17 16:49:12 prod-dbsnap-01 kernel: do_syscall_64+0x60/0x1c0
Jul 17 16:49:12 prod-dbsnap-01 kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
Jul 17 16:49:12 prod-dbsnap-01 kernel: RIP: 0033:0x7f1de1031310
Jul 17 16:49:12 prod-dbsnap-01 kernel: Code: Bad RIP value.
Jul 17 16:49:12 prod-dbsnap-01 kernel: RSP: 002b:00007fff3d26d208 EFLAGS: 00000246 ORIG_RAX: 000000000000004b
Jul 17 16:49:12 prod-dbsnap-01 kernel: RAX: ffffffffffffffda RBX: 00000000000086e3 RCX: 00007f1de1031310
Jul 17 16:49:12 prod-dbsnap-01 kernel: RDX: 0000000000000027 RSI: 00000000000086e3 RDI: 0000000000000004
Jul 17 16:49:12 prod-dbsnap-01 kernel: RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
Jul 17 16:49:12 prod-dbsnap-01 kernel: R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000004
Jul 17 16:49:12 prod-dbsnap-01 kernel: R13: 0000000001650289 R14: 00007f1dd0e92280 R15: 00000000000000e0
Jul 17 16:49:12 prod-dbsnap-01 kernel: INFO: task postgres:93108 blocked for more than 245 seconds.
Jul 17 16:49:12 prod-dbsnap-01 kernel:      Not tainted 5.2.1-1.el7.elrepo.x86_64 #1
Jul 17 16:49:12 prod-dbsnap-01 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jul 17 16:49:12 prod-dbsnap-01 kernel: postgres        D    0 93108  93106 0x00004000
Jul 17 16:49:12 prod-dbsnap-01 kernel: Call Trace:
Jul 17 16:49:12 prod-dbsnap-01 kernel: __schedule+0x2a9/0x650
Jul 17 16:49:12 prod-dbsnap-01 kernel: schedule+0x38/0xa0
Jul 17 16:49:12 prod-dbsnap-01 kernel: schedule_preempt_disabled+0xe/0x10
Jul 17 16:49:12 prod-dbsnap-01 kernel: __mutex_lock.isra.11+0x233/0x4e0
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? btrfs_must_commit_transaction+0x60/0x70 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: __mutex_lock_slowpath+0x13/0x20
Jul 17 16:49:12 prod-dbsnap-01 kernel: mutex_lock+0x31/0x40
Jul 17 16:49:12 prod-dbsnap-01 kernel: btrfs_log_inode_parent+0x70c/0xdd0 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? wait_current_trans+0x33/0x100 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? _cond_resched+0x19/0x30
Jul 17 16:49:12 prod-dbsnap-01 kernel: ? join_transaction+0x2b/0x460 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: btrfs_log_dentry_safe+0x59/0x80 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: btrfs_sync_file+0x35b/0x410 [btrfs]
Jul 17 16:49:12 prod-dbsnap-01 kernel: vfs_fsync_range+0x3f/0x80
Jul 17 16:49:12 prod-dbsnap-01 kernel: do_fsync+0x3d/0x70
Jul 17 16:49:12 prod-dbsnap-01 kernel: __x64_sys_fsync+0x14/0x20
Jul 17 16:49:12 prod-dbsnap-01 kernel: do_syscall_64+0x60/0x1c0
Jul 17 16:49:12 prod-dbsnap-01 kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
Jul 17 16:49:12 prod-dbsnap-01 kernel: RIP: 0033:0x7f489051dd00
Jul 17 16:49:12 prod-dbsnap-01 kernel: Code: Bad RIP value.
Jul 17 16:49:12 prod-dbsnap-01 kernel: RSP: 002b:00007fff39abd838 EFLAGS: 00000246 ORIG_RAX: 000000000000004a
Jul 17 16:49:12 prod-dbsnap-01 kernel: RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f489051dd00
Jul 17 16:49:12 prod-dbsnap-01 kernel: RDX: 0000000000000180 RSI: 0000000000000002 RDI: 0000000000000003
Jul 17 16:49:12 prod-dbsnap-01 kernel: RBP: 0000000000000000 R08: 3839303030303030 R09: 00007f488dfe920d
Jul 17 16:49:12 prod-dbsnap-01 kernel: R10: 00007f488e363c8c R11: 0000000000000246 R12: 00007fff39abe200
Jul 17 16:49:12 prod-dbsnap-01 kernel: R13: 0000000000000000 R14: 0000000000000014 R15: 00007fff39abe200