On Thu, Apr 02, 2015 at 02:38:24PM +0300, Timofey Titovets wrote: > I've get it several times, after rebooting or unclean shutdown system. > > This is very strange bug, because if i reboot, and mount it from live > cd, all that okay, and after reboot in system, system successful mount > all and working good. > i did try to found any previous issues on it, and found nothing.
Try 4.0-rc6, which should have the fix for the problem in it. This was introduced in the stable series, and is now fixed in mainline. It should also be fixed in the next stable release, I believe. Hugo. > [ 240.100043] INFO: task mount:485 blocked for more than 120 seconds. > [ 240.100156] Not tainted 3.19.0-10-generic #10-Ubuntu > [ 240.100244] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > disables this message. > [ 240.100359] mount D ffff88009e907818 0 485 1 > 0x00000004 > [ 240.100364] ffff88009e907818 ffff8804473ac4b0 0000000000014200 > ffff88009e907fd8 > [ 240.100368] 0000000000014200 ffff88044ae3f5c0 ffff8804473ac4b0 > ffff88009e907828 > [ 240.100371] ffff88045d073c70 ffff88045d073cd8 ffff88045d073cf0 > ffff88009e907858 > [ 240.100374] Call Trace: > [ 240.100386] [<ffffffff817c38e9>] schedule+0x29/0x70 > [ 240.100427] [<ffffffffc050a7e5>] btrfs_tree_lock+0x55/0x1f0 [btrfs] > [ 240.100432] [<ffffffff810b6200>] ? wait_woken+0x90/0x90 > [ 240.100444] [<ffffffffc04acc69>] btrfs_search_slot+0x709/0xa60 [btrfs] > [ 240.100457] [<ffffffffc04ae8ad>] btrfs_insert_empty_items+0x7d/0xd0 > [btrfs] > [ 240.100469] [<ffffffffc04a78aa>] ? btrfs_alloc_path+0x1a/0x20 [btrfs] > [ 240.100487] [<ffffffffc050aab8>] btrfs_insert_orphan_item+0x58/0x80 > [btrfs] > [ 240.100509] [<ffffffffc050c04e>] insert_orphan_item+0x5e/0x90 [btrfs] > [ 240.100529] [<ffffffffc0510d11>] replay_one_buffer+0x351/0x370 [btrfs] > [ 240.100547] [<ffffffffc050b991>] walk_up_log_tree+0xd1/0x240 [btrfs] > [ 240.100558] [<ffffffffc04a78aa>] ? btrfs_alloc_path+0x1a/0x20 [btrfs] > [ 240.100577] [<ffffffffc050bb9b>] walk_log_tree+0x9b/0x1a0 [btrfs] > [ 240.100596] [<ffffffffc0513214>] btrfs_recover_log_trees+0x1d4/0x470 > [btrfs] > [ 240.100614] [<ffffffffc05109c0>] ? replay_one_extent+0x6b0/0x6b0 [btrfs] > [ 240.100630] [<ffffffffc04ceb23>] open_ctree+0x1813/0x2090 [btrfs] > [ 240.100642] [<ffffffffc04a4b00>] btrfs_mount+0x850/0x920 [btrfs] > [ 240.100649] [<ffffffff811f7208>] mount_fs+0x38/0x1c0 > [ 240.100653] [<ffffffff8119b5e5>] ? __alloc_percpu+0x15/0x20 > [ 240.100658] [<ffffffff812138fb>] vfs_kern_mount+0x6b/0x120 > [ 240.100662] [<ffffffff81216754>] do_mount+0x204/0xb20 > [ 240.100665] [<ffffffff8121738b>] SyS_mount+0x8b/0xd0 > [ 240.100669] [<ffffffff817c824d>] system_call_fastpath+0x16/0x1b > [ 240.100676] INFO: task btrfs-transacti:506 blocked for more than 120 > seconds. > [ 240.100780] Not tainted 3.19.0-10-generic #10-Ubuntu > [ 240.100869] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > disables this message. > [ 240.100982] btrfs-transacti D ffff8804474abdc8 0 506 2 > 0x00000000 > [ 240.100986] ffff8804474abdc8 ffff88009ef83ae0 0000000000014200 > ffff8804474abfd8 > [ 240.100989] 0000000000014200 ffffffff81c1a580 ffff88009ef83ae0 > ffff8804474abdd8 > [ 240.100992] ffff880448695000 ffff88045d396000 ffff88045d33afc0 > ffff8804474abe00 > [ 240.100995] Call Trace: > [ 240.100998] [<ffffffff817c38e9>] schedule+0x29/0x70 > [ 240.101018] [<ffffffffc04d14c5>] > btrfs_commit_transaction+0x375/0xa40 [btrfs] > [ 240.101021] [<ffffffff810b6200>] ? wait_woken+0x90/0x90 > [ 240.101037] [<ffffffffc04ccf5d>] transaction_kthread+0x1dd/0x250 [btrfs] > [ 240.101052] [<ffffffffc04ccd80>] ? > btrfs_cleanup_transaction+0x550/0x550 [btrfs] > [ 240.101057] [<ffffffff81094679>] kthread+0xc9/0xe0 > [ 240.101061] [<ffffffff810945b0>] ? kthread_create_on_node+0x1c0/0x1c0 > [ 240.101064] [<ffffffff817c8198>] ret_from_fork+0x58/0x90 > [ 240.101067] [<ffffffff810945b0>] ? kthread_create_on_node+0x1c0/0x1c0 > -- Hugo Mills | Great oxymorons of the world, no. 10: hugo@... carfax.org.uk | Business Ethics http://carfax.org.uk/ | PGP: 65E74AC0 |
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