Environment: zimbra602 OSS.
Muti-server, three servers,one master ldap,two replica ldap servers.
OS:linux redhas as5.3.

My mail server down one after another . All three servers log file seems as follows:

Apr 21 08:05:03 mail1 kernel: zmlocalconfig[17083]: segfault at ffffffffff57800c rip 0000000000445145 rsp 00007fff98cac9f0 error 4
Apr 21 08:05:03 mail1 kernel: sh[17084]: segfault at ffffffffff57800c rip 0000000000445145 rsp 00007ffff73880d0 error 4
Apr 21 08:05:03 mail1 kernel: zmprov[17085]: segfault at ffffffffff57800c rip 0000000000445145 rsp 00007fffa1070dc0 error 4
Apr 21 08:05:03 mail1 kernel: zmprov[17086]: segfault at ffffffffff57800c rip 0000000000445145 rsp 00007fffb49a9700 error 4

SOME HELP?