Index of /bits/2.6.34-rc3/btrfs

Icon  Name                    Last modified      Size  Description
[DIR] Parent Directory                             -   
[   ] config.gz               09-Apr-2010 22:47  9.2K  
[   ] dmesg.txt.gz            09-Apr-2010 22:47   12K  

* http://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg04698.html

=== bonnie++ 1.96 ===

v40z1# mkfs.btrfs /dev/md0
v40z1# mount -t btrfs -o noatime /dev/md0 /mnt/disk/
v40z1# bonnie++ -d /mnt/disk/ -s 16384 -n 8:4194304:1024:1 -m btrfs -r 0 -x 5 -u root

[ 1350.385450] device fsid 944150ad12159fd6-cc6b5d7368bfb90 devid 1 transid 7 /dev/md0
[ 6120.721868] INFO: task btrfs-transacti:4083 blocked for more than 120 seconds.
[ 6120.729281] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 6120.731853] btrfs-transac D 0000000000000001     0  4083      2 0x00000000
[ 6120.731861]  ffff8801feb0dce0 0000000000000046 ffff8801feb0dc50 ffffffff81060e1d
[ 6120.731868]  00000000001d2240 00000000001d2240 ffff8801feb0dfd8 ffff8801feb0dfd8
[ 6120.731875]  ffff8801feb8b930 00000000001d2240 ffff8801feb0dfd8 00000000001d2240
[ 6120.731883] Call Trace:
[ 6120.731897]  [<ffffffff81060e1d>] ? trace_hardirqs_off+0xd/0x10
[ 6120.731905]  [<ffffffff814cd055>] schedule_timeout+0x1c5/0x220
[ 6120.731911]  [<ffffffff814cd489>] ? mutex_unlock+0x9/0x10
[ 6120.731918]  [<ffffffff812e9414>] ? btrfs_run_ordered_operations+0x224/0x240
[ 6120.731924]  [<ffffffff8106467d>] ? trace_hardirqs_on+0xd/0x10
[ 6120.731930]  [<ffffffff812cf2fd>] btrfs_commit_transaction+0x24d/0x6f0
[ 6120.731937]  [<ffffffff81051440>] ? autoremove_wake_function+0x0/0x40
[ 6120.731942]  [<ffffffff812cfac0>] ? start_transaction+0x120/0x170
[ 6120.731946]  [<ffffffff812c9edb>] transaction_kthread+0x1fb/0x230
[ 6120.731951]  [<ffffffff812c9ce0>] ? transaction_kthread+0x0/0x230
[ 6120.731955]  [<ffffffff81050f9e>] kthread+0xae/0xc0
[ 6120.731960]  [<ffffffff81064625>] ? trace_hardirqs_on_caller+0x155/0x1a0
[ 6120.731967]  [<ffffffff81003b54>] kernel_thread_helper+0x4/0x10
[ 6120.731973]  [<ffffffff814cfa3c>] ? restore_args+0x0/0x30
[ 6120.731977]  [<ffffffff81050ef0>] ? kthread+0x0/0xc0
[ 6120.731982]  [<ffffffff81003b50>] ? kernel_thread_helper+0x0/0x10
[ 6120.731986] 1 lock held by btrfs-transacti/4083:
[ 6120.731989]  #0:  (&fs_info->transaction_kthread_mutex){+.+...}, at: [<ffffffff812c9dc5>] transaction_kthread+0xe5/0x230