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On 10/9/07, jlee wrote:
> output from /var/log/messages
> Oct 9 12:56:38 lyra kernel: nscd[11660]: segfault at 0000002b401fee8b rip 000000552aab7966 rsp 00000000408029e0 error 4
> Oct 9 13:16:38 lyra kernel: nscd[12540]: segfault at 0000002b401fee8b rip 000000552aab7966 rsp 00000000408029e0 error 4
I'm starting to have this problem as well. I have two mail servers
running courier and postfix. They've been up for a couple weeks but I
just put them into production monday this week, two days ago.
Oct 9 07:34:49 ash kernel: nscd[3455]: segfault at 0000000040201000
rip 0000555555563274 rsp 00000000401a1df0 error 6
Oct 9 07:35:20 ash nscd: 27206 invalid persistent database file
"/var/db/nscd/passwd": verification failed
Oct 10 07:33:37 oak kernel: nscd[25051]: segfault at 0000000040201000
rip 0000555555563274 rsp 00000000401a73a0 error 6
Oct 10 07:33:48 oak nscd: 29526 invalid persistent database file
"/var/db/nscd/passwd": verification failed
The first time it had happened, I was using the stock /etc/nscd.conf
file. The second time it happened on the other server, I had doubled
the max-db-size passwd value to 67108864.
Both servers are running CentOS 5, firewall disabled and no SELinux .
Linux ash 2.6.18-8.el5 #1 SMP Thu Mar 15 19:46:53 EDT 2007 x86_64
x86_64 x86_64 GNU/Linux
(24)[11:58am] # yum list nscd
nscd.x86_64 2.5-12 installed
# ls -la /etc/ldap*
lrwxrwxrwx 1 root root 18 Sep 27 15:14 /etc/ldap.conf -> openldap/ldap.conf
lrwxrwxrwx 1 root root 20 Sep 27 15:14 /etc/ldap.secret ->
openldap/ldap.secret
# ls -la /etc/openldap/ldap.*
- -rw-r--r-- 1 root root 8974 Sep 27 13:55 /etc/openldap/ldap.conf
- -rw------- 1 root root 10 Sep 27 13:56 /etc/openldap/ldap.secret
My ldap.conf
# grep '^[^#]' /etc/ldap.conf
base dc=xxxxxxx,dc=xxx
uri ldap://ldap-1.xxxxxxx.xxx
binddn cn=foo,ou=bar,dc=xxxxxxx,dc=xxx
bindpw xxxxxxxx
rootbinddn cn=foo,ou=bar,dc=xxxxxxx,dc=xxx
scope sub
timelimit 30
bind_timelimit 30
bind_policy soft
idle_timelimit 3600
pam_check_host_attr yes
nss_base_passwd dc=xxxxxxx,dc=net?sub
nss_base_shadow dc=xxxxxxx,dc=net?sub
pam_password clear
nss_base_group ou=Group,dc=xxxxxxx,dc=xxx?one
TLS_REQCERT request
TLS_CACERT /usr/local/etc/openldap/certs/cacert.pem
The two previous servers did not have this particular problem. They
were not identical hardware, but identical os install and config,
Any clues?
- --
Andy Harrison
public key: 0x67518262
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