Description of problem:
=======================

While trying to delete and than list (ls) the files and directories simultaneously from fuse and nfs mount. One of the NFS process on server crashed with the log:

pending frames:
frame : type(0) op(0)
frame : type(0) op(0)

patchset: git://git.gluster.com/glusterfs.git
signal received: 11
time of crash: 2013-04-30 17:53:56configuration details:
argp 1
backtrace 1
dlfcn 1
fdatasync 1
libpthread 1
llistxattr 1
setfsid 1
spinlock 1
epoll.h 1
xattr.h 1
st_atim.tv_nsec 1
package-string: glusterfs 3.4.0.1rhs
/lib64/libc.so.6[0x3d78032920]
/lib64/libpthread.so.0(pthread_spin_lock+0x0)[0x3d7880c170]
/usr/lib64/libglusterfs.so.0(fd_unref+0x36)[0x3d79439a76]
/usr/lib64/glusterfs/3.4.0.1rhs/xlator/protocol/client.so(client_local_wipe+0x28)[0x7fc41a6f8c08]
/usr/lib64/glusterfs/3.4.0.1rhs/xlator/protocol/client.so(client3_3_opendir_cbk+0x19a)[0x7fc41a7071ba]
/usr/lib64/libgfrpc.so.0(rpc_clnt_handle_reply+0xa5)[0x3d7a00ddf5]
/usr/lib64/libgfrpc.so.0(rpc_clnt_notify+0x127)[0x3d7a00e9d7]
/usr/lib64/libgfrpc.so.0(rpc_transport_notify+0x28)[0x3d7a00a338]
/usr/lib64/glusterfs/3.4.0.1rhs/rpc-transport/socket.so(socket_event_poll_in+0x34)[0x7fc41b7662d4]
/usr/lib64/glusterfs/3.4.0.1rhs/rpc-transport/socket.so(socket_event_handler+0x13d)[0x7fc41b76642d]
/usr/lib64/libglusterfs.so.0[0x3d7945b3e7]
/usr/sbin/glusterfs(main+0x5c6)[0x406676]
/lib64/libc.so.6(__libc_start_main+0xfd)[0x3d7801ecdd]
/usr/sbin/glusterfs[0x404559]
---------
(END) 




Version-Release number of selected component (if applicable):
=============================================================

[root@rhs-client11 ~]# rpm -qa | grep gluster
glusterfs-debuginfo-3.4.0.1rhs-1.el6rhs.x86_64
glusterfs-fuse-3.4.0.1rhs-1.el6rhs.x86_64
gluster-swift-container-1.4.8-4.el6.noarch
gluster-swift-1.4.8-4.el6.noarch
gluster-swift-doc-1.4.8-4.el6.noarch
vdsm-gluster-4.10.2-4.0.qa5.el6rhs.noarch
gluster-swift-plugin-1.0-5.noarch
gluster-swift-proxy-1.4.8-4.el6.noarch
gluster-swift-account-1.4.8-4.el6.noarch
glusterfs-geo-replication-3.4.0.1rhs-1.el6rhs.x86_64
org.apache.hadoop.fs.glusterfs-glusterfs-0.20.2_0.2-1.noarch
glusterfs-3.4.0.1rhs-1.el6rhs.x86_64
glusterfs-server-3.4.0.1rhs-1.el6rhs.x86_64
glusterfs-rdma-3.4.0.1rhs-1.el6rhs.x86_64
gluster-swift-object-1.4.8-4.el6.noarch
[root@rhs-client11 ~]# 


Steps to Reproduce:
1. Created 6*2 distriubuted-replicate volume
2. Mounted on client (both fuse and nfs mount)
3. Created fuse-test and nfs-test directories on fuse and nfs mount respectively.
4. Ran script1.sh on both fuse and nfs test directories. Script does the directory and file creation, dd etc.
5. Tried to remove all the files and directories from fuse and nfs mount simultaneously.
6. Tried to do ls from fuse and nfs mount. NFS mount hung and one of the server reported a core.