I've just seen this with 16.04, together with latest HES 4.8 kernel: uname -a Linux server 4.8.0-51-generic #54~16.04.1-Ubuntu SMP Wed Apr 26 16:00:28 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
That happened during a btrfs-scrub: May 7 02:11:52 server kernel: [17884.471597] [<ffffffffc04cbc73>] wait_current_trans.isra.21+0xd3/0x120 [btrfs] May 7 02:11:52 server kernel: [17884.471617] [<ffffffffc04ce43f>] start_transaction+0x27f/0x4c0 [btrfs] May 7 02:11:52 server kernel: [17884.471635] [<ffffffffc04ce6d7>] btrfs_join_transaction+0x17/0x20 [btrfs] May 7 02:11:52 server kernel: [17884.471654] [<ffffffffc04d4b45>] btrfs_dirty_inode+0x35/0xd0 [btrfs] May 7 02:11:52 server kernel: [17884.471672] [<ffffffffc04da57d>] btrfs_setattr+0x9d/0x330 [btrfs] May 7 02:11:52 server kernel: [17884.471697] INFO: task btrfs:3559 blocked for more than 120 seconds. May 7 02:11:52 server kernel: [17884.471851] btrfs D ffff937fa2257b68 0 3559 3518 0x00000000 May 7 02:11:52 server kernel: [17884.471887] [<ffffffffc04cb862>] wait_for_commit.isra.16+0x52/0xa0 [btrfs] May 7 02:11:52 server kernel: [17884.471909] [<ffffffffc04cc205>] btrfs_wait_for_commit+0x145/0x170 [btrfs] May 7 02:11:52 server kernel: [17884.471935] [<ffffffffc04bb227>] btrfs_inc_block_group_ro+0x67/0x1b0 [btrfs] May 7 02:11:52 server kernel: [17884.471961] [<ffffffffc0532d77>] scrub_enumerate_chunks+0x217/0x670 [btrfs] May 7 02:11:52 server kernel: [17884.471994] [<ffffffffc05344ea>] btrfs_scrub_dev+0x1fa/0x540 [btrfs] May 7 02:11:52 server kernel: [17884.472019] [<ffffffffc050c25c>] btrfs_ioctl+0x1a7c/0x2010 [btrfs] -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1454903 Title: Btrfs Fails to Mount Drive - btrfs-transaction blocked for more than 120 seconds. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1454903/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
