still valid in yakkety and 4.8.0-27
[ 726.382817] INFO: task kworker/u4:7:1659 blocked for more than 120 seconds. [ 726.382819] Not tainted 4.8.0-27-generic #29-Ubuntu [ 726.382820] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 726.382820] kworker/u4:7 D ffff98c792b57c48 0 1659 2 0x00000000 [ 726.382836] Workqueue: btrfs-endio-write btrfs_endio_write_helper [btrfs] [ 726.382838] ffff98c792b57c48 0000000000000000 ffff98c7b8231a00 ffff98c7b3cf5b00 [ 726.382839] 0000100800000008 ffff98c792b58000 ffff98c7ae1649f0 ffff98c7ae164800 [ 726.382841] ffff98c7ae1649f0 0000000000000001 ffff98c792b57c60 ffffffff8b89a855 [ 726.382843] Call Trace: [ 726.382845] [<ffffffff8b89a855>] schedule+0x35/0x80 [ 726.382858] [<ffffffffc057fb23>] wait_current_trans.isra.21+0xd3/0x120 [btrfs] [ 726.382859] [<ffffffff8b0c73a0>] ? wake_atomic_t_function+0x60/0x60 [ 726.382872] [<ffffffffc0582282>] start_transaction+0x272/0x4a0 [btrfs] [ 726.382885] [<ffffffffc0582507>] btrfs_join_transaction+0x17/0x20 [btrfs] [ 726.382899] [<ffffffffc058bd79>] btrfs_finish_ordered_io+0x499/0x6c0 [btrfs] [ 726.382912] [<ffffffffc058c2a5>] finish_ordered_fn+0x15/0x20 [btrfs] [ 726.382926] [<ffffffffc05b6858>] btrfs_scrubparity_helper+0xc8/0x2d0 [btrfs] [ 726.382941] [<ffffffffc05b6aee>] btrfs_endio_write_helper+0xe/0x10 [btrfs] [ 726.382942] [<ffffffff8b09d61c>] process_one_work+0x1fc/0x4b0 [ 726.382944] [<ffffffff8b09d91b>] worker_thread+0x4b/0x500 [ 726.382945] [<ffffffff8b09d8d0>] ? process_one_work+0x4b0/0x4b0 [ 726.382946] [<ffffffff8b09d8d0>] ? process_one_work+0x4b0/0x4b0 [ 726.382948] [<ffffffff8b0a3c18>] kthread+0xd8/0xf0 [ 726.382949] [<ffffffff8b89f29f>] ret_from_fork+0x1f/0x40 [ 726.382951] [<ffffffff8b0a3b40>] ? kthread_create_on_node+0x1e0/0x1e0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1614887 Title: Lage samba file transfers block btrfs to hung task To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1614887/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs