I am trying to track down the cause of some errors that have been
occurring on a number of our servers using LDAP. We have noticed that
when a certain LDAP group exceeds 65 users we begin seeing glibc
errors for users in the group. Users that are not in the group do not
exhibit this behavior.
We have seen this issue on machines running Centos 4.5 x86 & x86_64
with glibc-2.3.4-2.36 and RH4 x86_64 running glibc-2.3.4-2.25. We are
running Fedora Directory Server 1.0.4 on Centos 4.5. We have added a
3rd FDS slave and turned up debugging but have not seen anything that
appears to be relevant in the logs on the 3rd slave.
This problem is not a 65 user limit as we have other groups with well
over 65 members that do not display this behavior. We also created a
new group with identical users and it did not display this problem.
This sounds
like a problem with pam_ldap or nss_ldap. You might want to
report this on a CentOS list. If you are a Red Hat customer, you can
report it through your usual support channel. I don't think this is a
directory server problem.
1) With 66 users in the massweb group
[root@megalon ~]# getent group massweb
*** glibc detected *** free(): invalid next size (normal): 0x09a225b0 ***
Aborted
2) After removing any user from the massweb group to reduce the total
members to 65
[root@megalon ~]# getent group massweb
massweb:x:3016:afaxon,ashairza,ccrump,jhorowit,mmarum,morendai,usmall,adroffne,afaxon,amurphre,aoliver,ayellipe,bdonohue,bdunn,beckert,blarsen,bwphilli,catanis,ccrump,chaynes,clyons,cwong,dbarber,dmuse,dnicol,edougher,egallant,ekubosia,evizcain,feeddrop,gtulonen,halokush,hbraverm,jbartus,jbrown,jhobbs,jking,jlederma,jpecora,jthayer,kbalbedi,kbeam,kginn,mbuonfig,mcrawfor,mlarsen,mlong,mwalsh,osedano,proche,prondeau,pweinber,rhorriga,rkersey,rskutins,sasaro,sbrodeur,sculver,smoriart,support,swestenh,tbaltimo,torgelfi,usmall,vvalenti
Has anyone encountered a similar problem? Any suggestions would be
most welcome.
Best regards
------------------------------------------------------------------------
--
Fedora-directory-users mailing list
Fedora-directory-users(a)redhat.com
https://www.redhat.com/mailman/listinfo/fedora-directory-users