glusterd hang

INFO: task glusterd:18509 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
glusterd      D 0000000000000009     0 18509      1 0x00000084
 ffff8806d0761c48 0000000000000086 0000000000000000 ffffffff8104e369
 ffff8806d0761bd8 0000000300000000 ffff8806d0761be8 ffff8805c17abc40
 ffff8807efde1af8 ffff8806d0761fd8 000000000000fb88 ffff8807efde1af8
Call Trace:
 [<ffffffff8104e369>] ? __wake_up_common+0x59/0x90
 [<ffffffffa0480e55>] fuse_request_send+0xe5/0x290 [fuse]
 [<ffffffff81092160>] ? autoremove_wake_function+0x0/0x40
 [<ffffffff81213029>] ? security_capable+0x29/0x30
 [<ffffffffa0482d0d>] fuse_setxattr+0xed/0x120 [fuse]
 [<ffffffffa0484e49>] ? fuse_permission+0xd9/0x200 [fuse]
 [<ffffffff8119ffce>] __vfs_setxattr_noperm+0x4e/0x160
 [<ffffffff81187c6f>] ? inode_permission+0xaf/0xd0
 [<ffffffff811a019c>] vfs_setxattr+0xbc/0xc0
 [<ffffffff811a0270>] setxattr+0xd0/0x150
 [<ffffffff810d358f>] ? audit_putname+0x3f/0x50
 [<ffffffff81188075>] ? putname+0x45/0x50
 [<ffffffff8118bbf2>] ? user_path_at+0x62/0xa0
 [<ffffffff811a0475>] sys_lsetxattr+0xa5/0xc0
 [<ffffffff8100c5b5>] ? math_state_restore+0x45/0x60
 [<ffffffff8100b0f2>] system_call_fastpath+0x16/0x1b