nslcd exited abnormally and generated core files on RHEL6
Issue
- nslcd exited abnormally and generated a core file immediately after it was restarted.
/var/log/messages:Aug 28 10:29:41 server1 nslcd[233348]: version 0.7.5 starting
/var/log/messages:Aug 28 10:29:41 server1 nslcd[233348]: accepting connections
/var/log/messages:Aug 28 10:30:01 server1 kernel: nslcd[233352]: segfault at 10 ip 00000033656091c0 sp 00007f3450fea778 error 4
/var/log/messages:Aug 28 10:30:01 server1 kernel: nslcd[233350]: segfault at 10 ip 00000033656091c0 sp 00007f34519eb938 error 4 in libpthread-2.12.so[3365600000+17000]
- In the backtrace of the core file, we can see that PR_Lock, which is the function of nspr, receives unexpected value(0). However we couldn't find out the cause of that.
Environment
- Red Hat Enterprise Linux 6.2
- kernel-2.6.32-220.23.1.el6
- nss-pam-ldapd-0.7.5-14.el6_2.1
- glibc-2.12-1.47.el6_2.12
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