Just FYI, the latest version of libnss-ldap (265-3ubuntu2) available for
Ubuntu 15.04 does fix the problem.
Stoyan
On Thu, May 14, 2015 at 11:37 AM, Stoyan Stoyanov stoyan...@gmail.com
wrote:
Thanks, Tim! I never though of running strace on an interpreted program as
I was trusting the underlying infrastructure - interpreter, shared
libraries, kernel - will work flawlessly. Anyway, if I remove ldap from
the shadow database setting in /etc/nsswitch.conf, it works. No need to
remove any packages. There are some dated reports regarding a similar issue
both on this list (
https://www.mail-archive.com/backuppc-users@lists.sourceforge.net/msg05864.html)
and here:
http://grokbase.com/t/centos/centos/08739v6e2j/backuppc-wont-fork-after-centos-5-2-upgrade.
The second one seems to be related to a bug in the nss-ldap library, but
this has long been fixed. Besides, the bug related to that last report also
caused other issues that are not present in my case. Maybe it's a new
incarnation of the old bug? I'll look through the diffs of the fix back
then and the current code to try and make sense of it. It is weird that I
can't reproduce the problem with sample code taken out of the context.
Stoyan
On Thu, May 14, 2015 at 4:34 AM, Tim Fletcher t...@night-shade.org.uk
wrote:
On 2015-05-14 10:41, Tim Fletcher wrote:
On 2015-05-13 03:41, Stoyan Stoyanov wrote:
Hi Holger,
While it seems like a packaging issue, there are no bug reports on
launchpad, so I thought maybe someone on this list stumbled upon this
problem. Unfortunately, nothing gets recorded in the LOG file. I ran perl
in debug mode, but the program exits right after forking the child process
so there is nothing really that hints on what the problem might be. Same
code taken out of the context of the BackupPC script works fine i.e. child
is forked and doesn't die immediately.
Stoyan
Hi Stoyan,
Does the system that BackupPC fails to start on have ldap configured?
I have this problem too and was looking at it again following your email,
I noticed from strace that a called was being made to .ldaprc during
backuppc startup.
I have removed all ldap config and packages from the server and backuppc
now starts correctly.
I know this isn't a fix but at least it's a step forward.
I removed libnss-ldap auth-client-config ldap-auth-config
ldap-auth-client libpam-ldap
I reran pam-auth-config and disabled the auto creation of home-dirs and
systemd registration that I had enabled for ldap support.
Installing ldap-auth-client and it's dependencies stops backuppc starting
correctly.
I've attached the output of strace on the service starting up and then
exiting immediately.
Tim Fletcher
t...@night-shade.org.uk
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