Gluster users - Nov 2010 - strange problem when our gluserfs upgrade to 3.1

hi all

    when our glusterfs upgrade to 3.1,the gluser-client has crash frequently
and the traffic  was about 30mbps,any help?

something appeared in the log is:

[posix.c:437:posix_lookup]  dfs-posix: lstat on /xx/xx/xx/xx/xx.jpg failed:
No
data available (131469 records)

[rpcsvc.c:1542:rpcsvc_submit_generic] rpc-service: failed to submit message
(XID: 0x2402d0, Program: GlusterFS-3.1.0, ProgVers: 310, Proc: 29) to
rpc-transport (tcp.dfs-server) (40 records)

[socket.c:1363:__socket_read_frag] rpc: wrong MSG-TYPE (-49928435) received
from xxxxx:40150 (50)


our system environment:

gfs-client*2:dell R610 E5620  @ 2.40GHz 12Gmem  centos 5.4
gfs-server*6:dell R710 E5620  @ 2.40GHz 12Gmem  centos 5.4

our glusterfs conf

Volume Name: dfs
Type: Distributed-Replicate
Status: Started
Number of Bricks: 3 x 2 = 6
Transport-type: tcp
Bricks:
Brick1: 192.168.11.13:/data0
Brick2: 192.168.11.14:/data0
Brick3: 192.168.11.15:/data0
Brick4: 192.168.11.16:/data0
Brick5: 192.168.11.11:/data0
Brick6: 192.168.11.12:/data0
Options Reconfigured:
performance.cache-max-file-size: 512KB
performance.cache-size: 2GB
performance.cache-min-file-size: 16KB
performance.quick-read: on

-- 

Regards,

Cocl
OM manager