Dec 12 00:42:14 foutboxd kernel: aufs 2-standalone.tree-20091130
Dec 12 00:45:02 foutboxd kernel: INFO: task umount:1501 blocked for more than 120 seconds.
Dec 12 00:45:02 foutboxd kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Dec 12 00:45:02 foutboxd kernel: umount        D 0000000000000002     0  1501   1055 0x00000000
Dec 12 00:45:02 foutboxd kernel: ffff8800cf890d60 0000000000000082 0000000000000c60 0000000000000193
Dec 12 00:45:02 foutboxd kernel: 0000000000000000 ffff8800cf815cd8 ffff8801aed1dda0 ffff8800cf814000
Dec 12 00:45:02 foutboxd kernel: ffff8800cf891000 000000000000f888 ffff8800cf891000 ffff8800cf814000
Dec 12 00:45:02 foutboxd kernel: Call Trace:
Dec 12 00:45:02 foutboxd kernel: [<ffffffff811309b0>] ? bdi_sched_wait+0x0/0x10
Dec 12 00:45:02 foutboxd kernel: [<ffffffff811309b9>] ? bdi_sched_wait+0x9/0x10
Dec 12 00:45:02 foutboxd kernel: [<ffffffff811309b0>] ? bdi_sched_wait+0x0/0x10
Dec 12 00:45:02 foutboxd kernel: [<ffffffff8133183f>] ? __wait_on_bit+0x4f/0x80
Dec 12 00:45:02 foutboxd kernel: [<ffffffff811309b0>] ? bdi_sched_wait+0x0/0x10
Dec 12 00:45:02 foutboxd kernel: [<ffffffff813318e7>] ? out_of_line_wait_on_bit+0x77/0x90
Dec 12 00:45:02 foutboxd kernel: [<ffffffff81074070>] ? wake_bit_function+0x0/0x40
Dec 12 00:45:02 foutboxd kernel: [<ffffffff8113099b>] ? bdi_sync_writeback+0x6b/0x80
Dec 12 00:45:02 foutboxd kernel: [<ffffffff811309dc>] ? sync_inodes_sb+0x1c/0x100
Dec 12 00:45:02 foutboxd kernel: [<ffffffff811355b2>] ? __sync_filesystem+0x72/0x90
Dec 12 00:45:02 foutboxd kernel: [<ffffffffa0d45f6c>] ? au_fsync_br+0x9c/0xb0 [aufs]
Dec 12 00:45:02 foutboxd kernel: [<ffffffffa0d46a7e>] ? aufs_put_super+0x9e/0x100 [aufs]
Dec 12 00:45:02 foutboxd kernel: [<ffffffff811263c7>] ? invalidate_inodes+0x117/0x150
Dec 12 00:45:02 foutboxd kernel: [<ffffffff8111183f>] ? generic_shutdown_super+0x4f/0xf0
Dec 12 00:45:02 foutboxd kernel: [<ffffffff81112203>] ? deactivate_super+0x83/0xb0
Dec 12 00:45:02 foutboxd kernel: [<ffffffff8112a64e>] ? sys_umount+0x6e/0x3d0
Dec 12 00:45:02 foutboxd kernel: [<ffffffff81012042>] ? system_call_fastpath+0x16/0x1b
Dec 12 00:45:02 foutboxd kernel: INFO: task umount:1623 blocked for more than 120 seconds.
Dec 12 00:45:02 foutboxd kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Dec 12 00:45:02 foutboxd kernel: umount        D 0000000000000000     0  1623   1172 0x00000000
Dec 12 00:45:02 foutboxd kernel: ffff8800764f7860 0000000000000082 0000000000000000 ffffffff810d2afa
Dec 12 00:45:02 foutboxd kernel: ffff8800bba8d950 ffffffff810d2dd2 ffff8801af863580 ffff88010c9fa000
Dec 12 00:45:02 foutboxd kernel: ffff8800764f7b00 000000000000f888 ffff8800764f7b00 ffff88010c9fa000
Dec 12 00:45:02 foutboxd kernel: Call Trace:
Dec 12 00:45:02 foutboxd kernel: [<ffffffff810d2afa>] ? free_one_page+0x5a/0x2e0
Dec 12 00:45:02 foutboxd kernel: [<ffffffff810d2dd2>] ? free_pcppages_bulk+0x52/0x380
Dec 12 00:45:02 foutboxd kernel: [<ffffffff8133334d>] ? __down_write_nested+0x7d/0xb0
Dec 12 00:45:02 foutboxd kernel: [<ffffffffa0d45f5c>] ? au_fsync_br+0x8c/0xb0 [aufs]
Dec 12 00:45:02 foutboxd kernel: [<ffffffffa0d46a7e>] ? aufs_put_super+0x9e/0x100 [aufs]
Dec 12 00:45:02 foutboxd kernel: [<ffffffff811263c7>] ? invalidate_inodes+0x117/0x150
Dec 12 00:45:02 foutboxd kernel: [<ffffffff8111183f>] ? generic_shutdown_super+0x4f/0xf0
Dec 12 00:45:02 foutboxd kernel: [<ffffffff81112203>] ? deactivate_super+0x83/0xb0
Dec 12 00:45:02 foutboxd kernel: [<ffffffff8112a64e>] ? sys_umount+0x6e/0x3d0
Dec 12 00:45:02 foutboxd kernel: [<ffffffff81012042>] ? system_call_fastpath+0x16/0x1b
Dec 12 00:47:02 foutboxd kernel: INFO: task umount:1501 blocked for more than 120 seconds.
Dec 12 00:47:02 foutboxd kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Dec 12 00:47:02 foutboxd kernel: umount        D 0000000000000002     0  1501   1055 0x00000000
Dec 12 00:47:02 foutboxd kernel: ffff8800cf890d60 0000000000000082 0000000000000c60 0000000000000193
Dec 12 00:47:02 foutboxd kernel: 0000000000000000 ffff8800cf815cd8 ffff8801aed1dda0 ffff8800cf814000
Dec 12 00:47:02 foutboxd kernel: ffff8800cf891000 000000000000f888 ffff8800cf891000 ffff8800cf814000
Dec 12 00:47:02 foutboxd kernel: Call Trace:
Dec 12 00:47:02 foutboxd kernel: [<ffffffff811309b0>] ? bdi_sched_wait+0x0/0x10
Dec 12 00:47:02 foutboxd kernel: [<ffffffff811309b9>] ? bdi_sched_wait+0x9/0x10
Dec 12 00:47:02 foutboxd kernel: [<ffffffff811309b0>] ? bdi_sched_wait+0x0/0x10
Dec 12 00:47:02 foutboxd kernel: [<ffffffff8133183f>] ? __wait_on_bit+0x4f/0x80
Dec 12 00:47:02 foutboxd kernel: [<ffffffff811309b0>] ? bdi_sched_wait+0x0/0x10
Dec 12 00:47:02 foutboxd kernel: [<ffffffff813318e7>] ? out_of_line_wait_on_bit+0x77/0x90
Dec 12 00:47:02 foutboxd kernel: [<ffffffff81074070>] ? wake_bit_function+0x0/0x40
Dec 12 00:47:02 foutboxd kernel: [<ffffffff8113099b>] ? bdi_sync_writeback+0x6b/0x80
Dec 12 00:47:02 foutboxd kernel: [<ffffffff811309dc>] ? sync_inodes_sb+0x1c/0x100
Dec 12 00:47:02 foutboxd kernel: [<ffffffff811355b2>] ? __sync_filesystem+0x72/0x90
Dec 12 00:47:02 foutboxd kernel: [<ffffffffa0d45f6c>] ? au_fsync_br+0x9c/0xb0 [aufs]
Dec 12 00:47:02 foutboxd kernel: [<ffffffffa0d46a7e>] ? aufs_put_super+0x9e/0x100 [aufs]
Dec 12 00:47:02 foutboxd kernel: [<ffffffff811263c7>] ? invalidate_inodes+0x117/0x150
Dec 12 00:47:02 foutboxd kernel: [<ffffffff8111183f>] ? generic_shutdown_super+0x4f/0xf0
Dec 12 00:47:02 foutboxd kernel: [<ffffffff81112203>] ? deactivate_super+0x83/0xb0
Dec 12 00:47:02 foutboxd kernel: [<ffffffff8112a64e>] ? sys_umount+0x6e/0x3d0
Dec 12 00:47:02 foutboxd kernel: [<ffffffff81012042>] ? system_call_fastpath+0x16/0x1b
Dec 12 00:47:02 foutboxd kernel: INFO: task umount:1623 blocked for more than 120 seconds.
Dec 12 00:47:02 foutboxd kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Dec 12 00:47:02 foutboxd kernel: umount        D 0000000000000000     0  1623   1172 0x00000000
Dec 12 00:47:02 foutboxd kernel: ffff8800764f7860 0000000000000082 0000000000000000 ffffffff810d2afa
Dec 12 00:47:02 foutboxd kernel: ffff8800bba8d950 ffffffff810d2dd2 ffff8801af863580 ffff88010c9fa000
Dec 12 00:47:02 foutboxd kernel: ffff8800764f7b00 000000000000f888 ffff8800764f7b00 ffff88010c9fa000
Dec 12 00:47:02 foutboxd kernel: Call Trace:
Dec 12 00:47:02 foutboxd kernel: [<ffffffff810d2afa>] ? free_one_page+0x5a/0x2e0
Dec 12 00:47:02 foutboxd kernel: [<ffffffff810d2dd2>] ? free_pcppages_bulk+0x52/0x380
Dec 12 00:47:02 foutboxd kernel: [<ffffffff8133334d>] ? __down_write_nested+0x7d/0xb0
Dec 12 00:47:02 foutboxd kernel: [<ffffffffa0d45f5c>] ? au_fsync_br+0x8c/0xb0 [aufs]
Dec 12 00:47:02 foutboxd kernel: [<ffffffffa0d46a7e>] ? aufs_put_super+0x9e/0x100 [aufs]
Dec 12 00:47:02 foutboxd kernel: [<ffffffff811263c7>] ? invalidate_inodes+0x117/0x150
Dec 12 00:47:02 foutboxd kernel: [<ffffffff8111183f>] ? generic_shutdown_super+0x4f/0xf0
Dec 12 00:47:02 foutboxd kernel: [<ffffffff81112203>] ? deactivate_super+0x83/0xb0
Dec 12 00:47:02 foutboxd kernel: [<ffffffff8112a64e>] ? sys_umount+0x6e/0x3d0
Dec 12 00:47:02 foutboxd kernel: [<ffffffff81012042>] ? system_call_fastpath+0x16/0x1b
Dec 12 00:49:02 foutboxd kernel: INFO: task umount:1501 blocked for more than 120 seconds.
Dec 12 00:49:02 foutboxd kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Dec 12 00:49:02 foutboxd kernel: umount        D 0000000000000002     0  1501   1055 0x00000000
Dec 12 00:49:02 foutboxd kernel: ffff8800cf890d60 0000000000000082 0000000000000c60 0000000000000193
Dec 12 00:49:02 foutboxd kernel: 0000000000000000 ffff8800cf815cd8 ffff8801aed1dda0 ffff8800cf814000
Dec 12 00:49:02 foutboxd kernel: ffff8800cf891000 000000000000f888 ffff8800cf891000 ffff8800cf814000
Dec 12 00:49:02 foutboxd kernel: Call Trace:
Dec 12 00:49:02 foutboxd kernel: [<ffffffff811309b0>] ? bdi_sched_wait+0x0/0x10
Dec 12 00:49:02 foutboxd kernel: [<ffffffff811309b9>] ? bdi_sched_wait+0x9/0x10
Dec 12 00:49:02 foutboxd kernel: [<ffffffff811309b0>] ? bdi_sched_wait+0x0/0x10
Dec 12 00:49:02 foutboxd kernel: [<ffffffff8133183f>] ? __wait_on_bit+0x4f/0x80
Dec 12 00:49:02 foutboxd kernel: [<ffffffff811309b0>] ? bdi_sched_wait+0x0/0x10
Dec 12 00:49:02 foutboxd kernel: [<ffffffff813318e7>] ? out_of_line_wait_on_bit+0x77/0x90
Dec 12 00:49:02 foutboxd kernel: [<ffffffff81074070>] ? wake_bit_function+0x0/0x40
Dec 12 00:49:02 foutboxd kernel: [<ffffffff8113099b>] ? bdi_sync_writeback+0x6b/0x80
Dec 12 00:49:02 foutboxd kernel: [<ffffffff811309dc>] ? sync_inodes_sb+0x1c/0x100
Dec 12 00:49:02 foutboxd kernel: [<ffffffff811355b2>] ? __sync_filesystem+0x72/0x90
Dec 12 00:49:02 foutboxd kernel: [<ffffffffa0d45f6c>] ? au_fsync_br+0x9c/0xb0 [aufs]
Dec 12 00:49:02 foutboxd kernel: [<ffffffffa0d46a7e>] ? aufs_put_super+0x9e/0x100 [aufs]
Dec 12 00:49:02 foutboxd kernel: [<ffffffff811263c7>] ? invalidate_inodes+0x117/0x150
Dec 12 00:49:02 foutboxd kernel: [<ffffffff8111183f>] ? generic_shutdown_super+0x4f/0xf0
Dec 12 00:49:02 foutboxd kernel: [<ffffffff81112203>] ? deactivate_super+0x83/0xb0
Dec 12 00:49:02 foutboxd kernel: [<ffffffff8112a64e>] ? sys_umount+0x6e/0x3d0
Dec 12 00:49:02 foutboxd kernel: [<ffffffff81012042>] ? system_call_fastpath+0x16/0x1b
Dec 12 00:49:02 foutboxd kernel: INFO: task umount:1623 blocked for more than 120 seconds.
Dec 12 00:49:02 foutboxd kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Dec 12 00:49:02 foutboxd kernel: umount        D 0000000000000000     0  1623   1172 0x00000000
Dec 12 00:49:02 foutboxd kernel: ffff8800764f7860 0000000000000082 0000000000000000 ffffffff810d2afa
Dec 12 00:49:02 foutboxd kernel: ffff8800bba8d950 ffffffff810d2dd2 ffff8801af863580 ffff88010c9fa000
Dec 12 00:49:02 foutboxd kernel: ffff8800764f7b00 000000000000f888 ffff8800764f7b00 ffff88010c9fa000
Dec 12 00:49:02 foutboxd kernel: Call Trace:
Dec 12 00:49:02 foutboxd kernel: [<ffffffff810d2afa>] ? free_one_page+0x5a/0x2e0
Dec 12 00:49:02 foutboxd kernel: [<ffffffff810d2dd2>] ? free_pcppages_bulk+0x52/0x380
Dec 12 00:49:02 foutboxd kernel: [<ffffffff8133334d>] ? __down_write_nested+0x7d/0xb0
Dec 12 00:49:02 foutboxd kernel: [<ffffffffa0d45f5c>] ? au_fsync_br+0x8c/0xb0 [aufs]
Dec 12 00:49:02 foutboxd kernel: [<ffffffffa0d46a7e>] ? aufs_put_super+0x9e/0x100 [aufs]
Dec 12 00:49:02 foutboxd kernel: [<ffffffff811263c7>] ? invalidate_inodes+0x117/0x150
Dec 12 00:49:02 foutboxd kernel: [<ffffffff8111183f>] ? generic_shutdown_super+0x4f/0xf0
Dec 12 00:49:02 foutboxd kernel: [<ffffffff81112203>] ? deactivate_super+0x83/0xb0
Dec 12 00:49:02 foutboxd kernel: [<ffffffff8112a64e>] ? sys_umount+0x6e/0x3d0
Dec 12 00:49:02 foutboxd kernel: [<ffffffff81012042>] ? system_call_fastpath+0x16/0x1b
Dec 12 00:51:02 foutboxd kernel: INFO: task umount:1501 blocked for more than 120 seconds.
Dec 12 00:51:02 foutboxd kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Dec 12 00:51:02 foutboxd kernel: umount        D 0000000000000002     0  1501   1055 0x00000004
Dec 12 00:51:02 foutboxd kernel: ffff8800cf890d60 0000000000000082 0000000000000c60 0000000000000193
Dec 12 00:51:02 foutboxd kernel: 0000000000000000 ffff8800cf815cd8 ffff8801aed1dda0 ffff8800cf814000
Dec 12 00:51:02 foutboxd kernel: ffff8800cf891000 000000000000f888 ffff8800cf891000 ffff8800cf814000
Dec 12 00:51:02 foutboxd kernel: Call Trace:
Dec 12 00:51:02 foutboxd kernel: [<ffffffff811309b0>] ? bdi_sched_wait+0x0/0x10
Dec 12 00:51:02 foutboxd kernel: [<ffffffff811309b9>] ? bdi_sched_wait+0x9/0x10
Dec 12 00:51:02 foutboxd kernel: [<ffffffff811309b0>] ? bdi_sched_wait+0x0/0x10
Dec 12 00:51:02 foutboxd kernel: [<ffffffff8133183f>] ? __wait_on_bit+0x4f/0x80
Dec 12 00:51:02 foutboxd kernel: [<ffffffff811309b0>] ? bdi_sched_wait+0x0/0x10
Dec 12 00:51:02 foutboxd kernel: [<ffffffff813318e7>] ? out_of_line_wait_on_bit+0x77/0x90
Dec 12 00:51:02 foutboxd kernel: [<ffffffff81074070>] ? wake_bit_function+0x0/0x40
Dec 12 00:51:02 foutboxd kernel: [<ffffffff8113099b>] ? bdi_sync_writeback+0x6b/0x80
Dec 12 00:51:02 foutboxd kernel: [<ffffffff811309dc>] ? sync_inodes_sb+0x1c/0x100
Dec 12 00:51:02 foutboxd kernel: [<ffffffff811355b2>] ? __sync_filesystem+0x72/0x90
Dec 12 00:51:02 foutboxd kernel: [<ffffffffa0d45f6c>] ? au_fsync_br+0x9c/0xb0 [aufs]
Dec 12 00:51:02 foutboxd kernel: [<ffffffffa0d46a7e>] ? aufs_put_super+0x9e/0x100 [aufs]
Dec 12 00:51:02 foutboxd kernel: [<ffffffff811263c7>] ? invalidate_inodes+0x117/0x150
Dec 12 00:51:02 foutboxd kernel: [<ffffffff8111183f>] ? generic_shutdown_super+0x4f/0xf0
Dec 12 00:51:02 foutboxd kernel: [<ffffffff81112203>] ? deactivate_super+0x83/0xb0
Dec 12 00:51:02 foutboxd kernel: [<ffffffff8112a64e>] ? sys_umount+0x6e/0x3d0
Dec 12 00:51:02 foutboxd kernel: [<ffffffff81012042>] ? system_call_fastpath+0x16/0x1b
Dec 12 00:51:02 foutboxd kernel: INFO: task umount:1623 blocked for more than 120 seconds.
Dec 12 00:51:02 foutboxd kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Dec 12 00:51:02 foutboxd kernel: umount        D 0000000000000000     0  1623   1172 0x00000000
Dec 12 00:51:02 foutboxd kernel: ffff8800764f7860 0000000000000082 0000000000000000 ffffffff810d2afa
Dec 12 00:51:02 foutboxd kernel: ffff8800bba8d950 ffffffff810d2dd2 ffff8801af863580 ffff88010c9fa000
Dec 12 00:51:02 foutboxd kernel: ffff8800764f7b00 000000000000f888 ffff8800764f7b00 ffff88010c9fa000
Dec 12 00:51:02 foutboxd kernel: Call Trace:
Dec 12 00:51:02 foutboxd kernel: [<ffffffff810d2afa>] ? free_one_page+0x5a/0x2e0
Dec 12 00:51:02 foutboxd kernel: [<ffffffff810d2dd2>] ? free_pcppages_bulk+0x52/0x380
Dec 12 00:51:02 foutboxd kernel: [<ffffffff8133334d>] ? __down_write_nested+0x7d/0xb0
Dec 12 00:51:02 foutboxd kernel: [<ffffffffa0d45f5c>] ? au_fsync_br+0x8c/0xb0 [aufs]
Dec 12 00:51:02 foutboxd kernel: [<ffffffffa0d46a7e>] ? aufs_put_super+0x9e/0x100 [aufs]
Dec 12 00:51:02 foutboxd kernel: [<ffffffff811263c7>] ? invalidate_inodes+0x117/0x150
Dec 12 00:51:02 foutboxd kernel: [<ffffffff8111183f>] ? generic_shutdown_super+0x4f/0xf0
Dec 12 00:51:02 foutboxd kernel: [<ffffffff81112203>] ? deactivate_super+0x83/0xb0
Dec 12 00:51:02 foutboxd kernel: [<ffffffff8112a64e>] ? sys_umount+0x6e/0x3d0
Dec 12 00:51:02 foutboxd kernel: [<ffffffff81012042>] ? system_call_fastpath+0x16/0x1b
Dec 12 00:53:02 foutboxd kernel: INFO: task umount:1501 blocked for more than 120 seconds.
Dec 12 00:53:02 foutboxd kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Dec 12 00:53:02 foutboxd kernel: umount        D 0000000000000002     0  1501   1055 0x00000004
Dec 12 00:53:02 foutboxd kernel: ffff8800cf890d60 0000000000000082 0000000000000c60 0000000000000193
Dec 12 00:53:02 foutboxd kernel: 0000000000000000 ffff8800cf815cd8 ffff8801aed1dda0 ffff8800cf814000
Dec 12 00:53:02 foutboxd kernel: ffff8800cf891000 000000000000f888 ffff8800cf891000 ffff8800cf814000
Dec 12 00:53:02 foutboxd kernel: Call Trace:
Dec 12 00:53:02 foutboxd kernel: [<ffffffff811309b0>] ? bdi_sched_wait+0x0/0x10
Dec 12 00:53:02 foutboxd kernel: [<ffffffff811309b9>] ? bdi_sched_wait+0x9/0x10
Dec 12 00:53:02 foutboxd kernel: [<ffffffff811309b0>] ? bdi_sched_wait+0x0/0x10
Dec 12 00:53:02 foutboxd kernel: [<ffffffff8133183f>] ? __wait_on_bit+0x4f/0x80
Dec 12 00:53:02 foutboxd kernel: [<ffffffff811309b0>] ? bdi_sched_wait+0x0/0x10
Dec 12 00:53:02 foutboxd kernel: [<ffffffff813318e7>] ? out_of_line_wait_on_bit+0x77/0x90
Dec 12 00:53:02 foutboxd kernel: [<ffffffff81074070>] ? wake_bit_function+0x0/0x40
Dec 12 00:53:02 foutboxd kernel: [<ffffffff8113099b>] ? bdi_sync_writeback+0x6b/0x80
Dec 12 00:53:02 foutboxd kernel: [<ffffffff811309dc>] ? sync_inodes_sb+0x1c/0x100
Dec 12 00:53:02 foutboxd kernel: [<ffffffff811355b2>] ? __sync_filesystem+0x72/0x90
Dec 12 00:53:02 foutboxd kernel: [<ffffffffa0d45f6c>] ? au_fsync_br+0x9c/0xb0 [aufs]
Dec 12 00:53:02 foutboxd kernel: [<ffffffffa0d46a7e>] ? aufs_put_super+0x9e/0x100 [aufs]
Dec 12 00:53:02 foutboxd kernel: [<ffffffff811263c7>] ? invalidate_inodes+0x117/0x150
Dec 12 00:53:02 foutboxd kernel: [<ffffffff8111183f>] ? generic_shutdown_super+0x4f/0xf0
Dec 12 00:53:02 foutboxd kernel: [<ffffffff81112203>] ? deactivate_super+0x83/0xb0
Dec 12 00:53:02 foutboxd kernel: [<ffffffff8112a64e>] ? sys_umount+0x6e/0x3d0
Dec 12 00:53:02 foutboxd kernel: [<ffffffff81012042>] ? system_call_fastpath+0x16/0x1b
Dec 12 00:53:02 foutboxd kernel: INFO: task umount:1623 blocked for more than 120 seconds.
Dec 12 00:53:02 foutboxd kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Dec 12 00:53:02 foutboxd kernel: umount        D 0000000000000000     0  1623   1172 0x00000000
Dec 12 00:53:02 foutboxd kernel: ffff8800764f7860 0000000000000082 0000000000000000 ffffffff810d2afa
Dec 12 00:53:02 foutboxd kernel: ffff8800bba8d950 ffffffff810d2dd2 ffff8801af863580 ffff88010c9fa000
Dec 12 00:53:02 foutboxd kernel: ffff8800764f7b00 000000000000f888 ffff8800764f7b00 ffff88010c9fa000
Dec 12 00:53:02 foutboxd kernel: Call Trace:
Dec 12 00:53:02 foutboxd kernel: [<ffffffff810d2afa>] ? free_one_page+0x5a/0x2e0
Dec 12 00:53:02 foutboxd kernel: [<ffffffff810d2dd2>] ? free_pcppages_bulk+0x52/0x380
Dec 12 00:53:02 foutboxd kernel: [<ffffffff8133334d>] ? __down_write_nested+0x7d/0xb0
Dec 12 00:53:02 foutboxd kernel: [<ffffffffa0d45f5c>] ? au_fsync_br+0x8c/0xb0 [aufs]
Dec 12 00:53:02 foutboxd kernel: [<ffffffffa0d46a7e>] ? aufs_put_super+0x9e/0x100 [aufs]
Dec 12 00:53:02 foutboxd kernel: [<ffffffff811263c7>] ? invalidate_inodes+0x117/0x150
Dec 12 00:53:02 foutboxd kernel: [<ffffffff8111183f>] ? generic_shutdown_super+0x4f/0xf0
Dec 12 00:53:02 foutboxd kernel: [<ffffffff81112203>] ? deactivate_super+0x83/0xb0
Dec 12 00:53:02 foutboxd kernel: [<ffffffff8112a64e>] ? sys_umount+0x6e/0x3d0
Dec 12 00:53:02 foutboxd kernel: [<ffffffff81012042>] ? system_call_fastpath+0x16/0x1b