-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 03/04/2014 09:19 AM, Mark Murawski wrote: > I have btrfs as the fs for a backuppc box. updatedb was running at > the same time as a massive rsync. > > Mar 4 08:31:00 office-backup kernel: INFO: task > updatedb.mlocat:903 blocked for more than 120 seconds. Mar 4 > 08:31:00 office-backup kernel: Not tainted 3.13.2 #3 Mar 4 > 08:31:00 office-backup kernel: "echo 0 > > /proc/sys/kernel/hung_task_timeout_secs" disables this message. Mar > 4 08:31:00 office-backup kernel: updatedb.mlocat D > 0000000000000000 0 903 899 0x00000000 Mar 4 08:31:00 > office-backup kernel: ffff88007cad6270 0000000000000086 > ffff88007c0ee900 0000000000004000 Mar 4 08:31:00 office-backup > kernel: ffff88005a705fd8 ffff88007cad6270 000000541a6be000 > ffff88007b9ac000 Mar 4 08:31:00 office-backup kernel: > ffff88001ad2ef68 ffff880001f97000 ffff8800452d4480 > ffffffff812c3e5c Mar 4 08:31:00 office-backup kernel: Call Trace: > Mar 4 08:31:00 office-backup kernel: [<ffffffff812c3e5c>] ? > btrfs_map_bio+0x4ac/0x5a0 Mar 4 08:31:00 office-backup kernel: > [<ffffffff812b79c0>] ? repair_io_failure+0x210/0x210 Mar 4 > 08:31:00 office-backup kernel: [<ffffffff810d9a40>] ? > __lock_page+0x70/0x70 Mar 4 08:31:00 office-backup kernel: > [<ffffffff817b8177>] ? io_schedule+0x87/0xd0 Mar 4 08:31:00 > office-backup kernel: [<ffffffff810d9a49>] ? > sleep_on_page+0x9/0x10 Mar 4 08:31:00 office-backup kernel: > [<ffffffff817b8742>] ? __wait_on_bit+0x52/0x80 Mar 4 08:31:00 > office-backup kernel: [<ffffffff81294d21>] ? > btree_submit_bio_hook+0xe1/0x110 Mar 4 08:31:00 office-backup > kernel: [<ffffffff810d9cc3>] ? wait_on_page_bit+0x73/0x80 Mar 4 > 08:31:00 office-backup kernel: [<ffffffff8109bdc0>] ? > wake_atomic_t_function+0x30/0x30 Mar 4 08:31:00 office-backup > kernel: [<ffffffff812bb2ba>] ? > read_extent_buffer_pages+0x2aa/0x2e0 Mar 4 08:31:00 office-backup > kernel: [<ffffffff810da355>] ? add_to_page_cache_lru+0x25/0x40 Mar > 4 08:31:00 office-backup kernel: [<ffffffff81344b21>] ? > radix_tree_insert+0x91/0x250 Mar 4 08:31:00 office-backup kernel: > [<ffffffff81292a10>] ? verify_parent_transid+0x170/0x170 Mar 4 > 08:31:00 office-backup kernel: [<ffffffff812949a9>] ? > btree_read_extent_buffer_pages.constprop.126+0xa9/0x110 Mar 4 > 08:31:00 office-backup kernel: [<ffffffff81294f23>] ? > read_tree_block+0x33/0x60 Mar 4 08:31:00 office-backup kernel: > [<ffffffff812775dc>] ? read_block_for_search.isra.45+0x18c/0x3b0 > Mar 4 08:31:00 office-backup kernel: [<ffffffff81276d47>] ? > comp_keys+0x27/0x30 Mar 4 08:31:00 office-backup kernel: > [<ffffffff81279c8c>] ? btrfs_search_slot+0x41c/0x920 Mar 4 > 08:31:00 office-backup kernel: [<ffffffff812b1641>] ? > btrfs_get_token_16+0x61/0xf0 Mar 4 08:31:00 office-backup kernel: > [<ffffffff812919f5>] ? btrfs_lookup_inode+0x25/0xa0 Mar 4 08:31:00 > office-backup kernel: [<ffffffff81113ef0>] ? > kmem_cache_alloc+0xc0/0xe0 Mar 4 08:31:00 office-backup kernel: > [<ffffffff812a6313>] ? btrfs_iget+0x103/0x520 Mar 4 08:31:00 > office-backup kernel: [<ffffffff8128eb1f>] ? > btrfs_lookup_dir_item+0x9f/0xd0 Mar 4 08:31:00 office-backup > kernel: [<ffffffff812a843b>] ? btrfs_lookup_dentry+0x3db/0x4c0 Mar > 4 08:31:00 office-backup kernel: [<ffffffff812a8529>] ? > btrfs_lookup+0x9/0x20 Mar 4 08:31:00 office-backup kernel: > [<ffffffff81120624>] ? lookup_real+0x14/0x50 Mar 4 08:31:00 > office-backup kernel: [<ffffffff811211f2>] ? > __lookup_hash+0x32/0x50 Mar 4 08:31:00 office-backup kernel: > [<ffffffff81121b38>] ? lookup_slow+0x48/0xc0 Mar 4 08:31:00 > office-backup kernel: [<ffffffff81123a91>] ? > path_lookupat+0x711/0x760 Mar 4 08:31:00 office-backup kernel: > [<ffffffff81123b0f>] ? filename_lookup+0x2f/0xd0 Mar 4 08:31:00 > office-backup kernel: [<ffffffff81121d77>] ? > getname_flags+0xb7/0x190 Mar 4 08:31:00 office-backup kernel: > [<ffffffff811269ee>] ? user_path_at_empty+0x5e/0xb0 Mar 4 08:31:00 > office-backup kernel: [<ffffffff8111bd6d>] ? > cp_new_stat+0x10d/0x120 Mar 4 08:31:00 office-backup kernel: > [<ffffffff8111bef1>] ? vfs_fstatat+0x41/0x90 Mar 4 08:31:00 > office-backup kernel: [<ffffffff8111c0c2>] ? > SyS_newlstat+0x12/0x30 Mar 4 08:31:00 office-backup kernel: > [<ffffffff817bb7a2>] ? system_call_fastpath+0x16/0x1b Mar 4 > 08:55:01 office-backup kernel: INFO: task updatedb.mlocat:903 > blocked for more than 120 seconds. Mar 4 08:55:01 office-backup > kernel: Not tainted 3.13.2 #3 Mar 4 08:55:01 office-backup > kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables > this message. Mar 4 08:55:01 office-backup kernel: updatedb.mlocat > D 0000000000000000 0 903 899 0x00000000 Mar 4 08:55:01 > office-backup kernel: ffff88007cad6270 0000000000000086 > ffff88007bb020d0 0000000000004000 Mar 4 08:55:01 office-backup > kernel: ffff88005a705fd8 ffff88007cad6270 00000055b6aee000 > ffff88007b9ac000 Mar 4 08:55:01 office-backup kernel: > ffff8800048282e8 ffff880076f80000 ffff8800272a09c0 > ffffffff812c3e5c Mar 4 08:55:01 office-backup kernel: Call Trace: > Mar 4 08:55:01 office-backup kernel: [<ffffffff812c3e5c>] ? > btrfs_map_bio+0x4ac/0x5a0 Mar 4 08:55:01 office-backup kernel: > [<ffffffff812b79c0>] ? repair_io_failure+0x210/0x210 Mar 4 > 08:55:01 office-backup kernel: [<ffffffff810d9a40>] ? > __lock_page+0x70/0x70 Mar 4 08:55:01 office-backup kernel: > [<ffffffff817b8177>] ? io_schedule+0x87/0xd0 Mar 4 08:55:01 > office-backup kernel: [<ffffffff810d9a49>] ? > sleep_on_page+0x9/0x10 Mar 4 08:55:01 office-backup kernel: > [<ffffffff817b8742>] ? __wait_on_bit+0x52/0x80 Mar 4 08:55:01 > office-backup kernel: [<ffffffff81294d21>] ? > btree_submit_bio_hook+0xe1/0x110 Mar 4 08:55:01 office-backup > kernel: [<ffffffff810d9cc3>] ? wait_on_page_bit+0x73/0x80 Mar 4 > 08:55:01 office-backup kernel: [<ffffffff8109bdc0>] ? > wake_atomic_t_function+0x30/0x30 Mar 4 08:55:01 office-backup > kernel: [<ffffffff812bb2ba>] ? > read_extent_buffer_pages+0x2aa/0x2e0 Mar 4 08:55:01 office-backup > kernel: [<ffffffff810da355>] ? add_to_page_cache_lru+0x25/0x40 Mar > 4 08:55:01 office-backup kernel: [<ffffffff81292a10>] ? > verify_parent_transid+0x170/0x170 Mar 4 08:55:01 office-backup > kernel: [<ffffffff812949a9>] ? > btree_read_extent_buffer_pages.constprop.126+0xa9/0x110 Mar 4 > 08:55:01 office-backup kernel: [<ffffffff81294f23>] ? > read_tree_block+0x33/0x60 Mar 4 08:55:01 office-backup kernel: > [<ffffffff812775dc>] ? read_block_for_search.isra.45+0x18c/0x3b0 > Mar 4 08:55:01 office-backup kernel: [<ffffffff81276d47>] ? > comp_keys+0x27/0x30 Mar 4 08:55:01 office-backup kernel: > [<ffffffff81279c8c>] ? btrfs_search_slot+0x41c/0x920 Mar 4 > 08:55:01 office-backup kernel: [<ffffffff812b1641>] ? > btrfs_get_token_16+0x61/0xf0 Mar 4 08:55:01 office-backup kernel: > [<ffffffff812919f5>] ? btrfs_lookup_inode+0x25/0xa0 Mar 4 08:55:01 > office-backup kernel: [<ffffffff81113ef0>] ? > kmem_cache_alloc+0xc0/0xe0 Mar 4 08:55:01 office-backup kernel: > [<ffffffff812a6313>] ? btrfs_iget+0x103/0x520 Mar 4 08:55:01 > office-backup kernel: [<ffffffff8128eb1f>] ? > btrfs_lookup_dir_item+0x9f/0xd0 Mar 4 08:55:01 office-backup > kernel: [<ffffffff812a843b>] ? btrfs_lookup_dentry+0x3db/0x4c0 Mar > 4 08:55:01 office-backup kernel: [<ffffffff812a8529>] ? > btrfs_lookup+0x9/0x20 Mar 4 08:55:01 office-backup kernel: > [<ffffffff81120624>] ? lookup_real+0x14/0x50 Mar 4 08:55:01 > office-backup kernel: [<ffffffff811211f2>] ? > __lookup_hash+0x32/0x50 Mar 4 08:55:01 office-backup kernel: > [<ffffffff81121b38>] ? lookup_slow+0x48/0xc0 Mar 4 08:55:01 > office-backup kernel: [<ffffffff81123a91>] ? > path_lookupat+0x711/0x760 Mar 4 08:55:01 office-backup kernel: > [<ffffffff81123b0f>] ? filename_lookup+0x2f/0xd0 Mar 4 08:55:01 > office-backup kernel: [<ffffffff81121d77>] ? > getname_flags+0xb7/0x190 Mar 4 08:55:01 office-backup kernel: > [<ffffffff811269ee>] ? user_path_at_empty+0x5e/0xb0 Mar 4 08:55:01 > office-backup kernel: [<ffffffff8111bd6d>] ? > cp_new_stat+0x10d/0x120 Mar 4 08:55:01 office-backup kernel: > [<ffffffff8111bef1>] ? vfs_fstatat+0x41/0x90 Mar 4 08:55:01 > office-backup kernel: [<ffffffff8111c0c2>] ? > SyS_newlstat+0x12/0x30 Mar 4 08:55:01 office-backup kernel: > [<ffffffff817bb7a2>] ? system_call_fastpath+0x16/0x1b > When this happens again do echo w > /proc/sysrq-trigger and then capture dmesg. Thanks, Josef -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBAgAGBQJTFen4AAoJEANb+wAKly3Ba6IP/1msfu3BEPbr4WmX85WHcdL1 MM+WHuDKCgt8hJwqiGZP3qjv+smjzDMMBeyRToAlm2f7MA9shmgE4gvwb1nMQQoG xfp7ZKPHAypRuYjiq1kmHanQf/vcv4iTCMba0PTBtg2VhMKxH9j9Cdp8/6nqrtRT QpZXh/1n8MLNBuaYkQ+SXGwqMT3Cgt2zC+NI2YuMtWJNvKpoqsF2IoFCcB8Uy7uX gG3zDeRyxJESVDMRGmzQOhNI+GW/vZ7EPSK8tjfqWwJJ0ilPhW+iAX7iqZPFr5iU WhpuQabw75bOcmEp06sk7RXz6EdLhuyTk1zeSZHmgFd9eqaAanfx93mdIk2VM/yC 7kOXrjq4k0QYSEvj11acB5pRB4WBwmELRpWmBa9Gqg31JTj4uScmkI4Gau9TKpwN qzx+xdNVdUE+W8vtdlvhL+UxEguqMrTLrvMS8wT2npgmylN9QT2jcVmeo+jdCm88 7XI2fP6sP2d7QHhkGpH9bTJouBpH8Rfb2Erow1B+q67DBIHT6x9/RApIiczldX3D N6/vkbL4Ype8mp4oFUo5Tk0D9sTwAtxRoSDzYpD49u8AwLuloC42ielG85kctaBR GUhRpEurGY/w0vNlRzJBmkZGvEpq6IWSJaRe9eiMivCh8wsGAGdSf2Jtgg9q4oMS hMZI04MgEEfMs+6pwfeR =7EiY -----END PGP SIGNATURE----- -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
