From: Mark Murawski <markm-lists@intellasoft.net>
To: linux-btrfs@vger.kernel.org
Subject: Task Hang
Date: Tue, 04 Mar 2014 09:19:49 -0500 [thread overview]
Message-ID: <5315E105.3000003@intellasoft.net> (raw)
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
next reply other threads:[~2014-03-04 14:47 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-04 14:19 Mark Murawski [this message]
2014-03-04 14:58 ` Task Hang Josef Bacik
2014-03-06 16:48 ` Mark Murawski
2014-03-09 20:49 ` Mark Murawski
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=5315E105.3000003@intellasoft.net \
--to=markm-lists@intellasoft.net \
--cc=linux-btrfs@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.