Public bug reported:
Binary package hint: libnss-ldap
When using LDAP as a users/group storage and name service switch to get
them from, one can notice that for some users their group information
cannot be fetched. This could fail for both local-users and ldap-users,
as well can be successfull for ldap-users.
$ id root
uid=0(root) gid=0(root)Aborted (core dumped)
As a normal user:
$ id avahi
uid=108(avahi) gid=118(avahi)Aborted (core dumped)
As root:
$ sudo id avahi
uid=108(avahi) gid=118(avahi)id: failed to get groups for user `avahi': No such
file or directory
$ id toor
uid=1000(toor) gid=1000(A_Mathematics)
groups=1000(A_Mathematics),4(adm),20(dialout),24(cdrom),25(floppy)
'toor' is the only 'local' user for wich the call succeeds! Note, in
this example, that '1000(A_Mathematics)' is a group from LDAP, all
others are from /etc/group.
'feisty' and 'gutsy' , as well as 'Debian 4.0' machines always resolve
groups from the same LDAP server. Also tested on a LDAP server with only
2 users and 2 groups, always fails for Hardy and works for older
versions.
This problem prevents most of local daemons (avahi, dbus, etc.) from start!
Workaround: disable ldap for groups in /etc/nsswitch.conf, so that users are
resolved both from files and ldap while groups only from files.
libnss-ldap: 258-1ubuntu2
libc6: 2.7-5ubuntu2
** Affects: libnss-ldap (Ubuntu)
Importance: Undecided
Status: New
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nss-ldap fails to resolve groups
https://bugs.launchpad.net/bugs/200454
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