gistfile1.txt

[ 1072.377206] polkitd[918]: segfault at 15 ip 00007feccea1153d sp 00007fff346093e0 error 4 in libmozjs-17.0.so[7fecce914000+3b3000]
[ 1082.033209] INFO: task btrfs-transacti:2740 blocked for more than 120 seconds.
[ 1082.033213]       Not tainted 3.14.0-0.rc3.git2.1.fc21.x86_64 #1
[ 1082.033214] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1082.033215] btrfs-transacti D ffff8804685b0000  6440  2740      2 0x00000080
[ 1082.033220]  ffff88043d863d28 0000000000000046 ffff88043dedcc50 ffff88043d863fd8
[ 1082.033223]  00000000001d5800 00000000001d5800 ffff88043dedcc50 ffff8804186a4000
[ 1082.033226]  ffff88007a4b01e8 ffff88007a4b01e8 0000000000000000 ffff8804187acb40
[ 1082.033229] Call Trace:
[ 1082.033234]  [<ffffffff817d3ad9>] schedule+0x29/0x70
[ 1082.033251]  [<ffffffffa05887bf>] wait_current_trans.isra.20+0xcf/0x120 [btrfs]
[ 1082.033254]  [<ffffffff810ef2c0>] ? abort_exclusive_wait+0xb0/0xb0
[ 1082.033264]  [<ffffffffa0589fd0>] start_transaction+0x290/0x620 [btrfs]
[ 1082.033275]  [<ffffffffa058a417>] btrfs_attach_transaction+0x17/0x20 [btrfs]
[ 1082.033284]  [<ffffffffa0584e97>] transaction_kthread+0x197/0x270 [btrfs]
[ 1082.033294]  [<ffffffffa0584d00>] ? btrfs_cleanup_transaction+0x620/0x620 [btrfs]
[ 1082.033297]  [<ffffffff810c432f>] kthread+0xff/0x120
[ 1082.033299]  [<ffffffff810c4230>] ? insert_kthread_work+0x80/0x80
[ 1082.033302]  [<ffffffff817e373c>] ret_from_fork+0x7c/0xb0
[ 1082.033304]  [<ffffffff810c4230>] ? insert_kthread_work+0x80/0x80
[ 1082.033306] 1 lock held by btrfs-transacti/2740:
[ 1082.033307]  #0:  (&fs_info->transaction_kthread_mutex){+.+...}, at: [<ffffffffa0584e3f>] transaction_kthread+0x13f/0x270 [btrfs]
[ 1149.742961] SysRq : This sysrq operation is disabled.