Soooo... was this a help to anyone?
On 03/06/14 11:48, Mark Murawski wrote:
Not the same problem, but I do have a lockup with another situation.
I tried adding some new devices... but accidentally screwed up the
syntax (not sure if this had anything to do with the lockup)
btrfs device add / /dev/sdb
probe of / failed, cannot detect existing filesystem.
Use the -f option to force overwrite.
office-backup {~} root# btrfs device add /dev/sdb /dev/sdd
ERROR: error adding the device '/dev/sdb' - Inappropriate ioctl for device
D 1772 [btrfs-transacti]
D 6530 [btrfs-submit-2]
D 7301 /usr/bin/perl /usr/share/backuppc/bin/BackupPC_link demo3
D 7471 fdisk /dev/sdb
D 7523 [btrfs-submit-2]
D 7526 -bash
D 7527 -bash
D 28611 /usr/bin/perl /usr/share/backuppc/bin/BackupPC_trashClean
Attached is output from w to sysrq
On 03/04/2014 09:58 AM, Josef Bacik wrote:
-----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
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