[Freeipa-users] IPA replica directory server hung

[Joe Mou]

Thanks for the speedy reply. I am running on Fedora 19.

$ rpm -q 389-ds-base
389-ds-base-1.3.1.16-1.fc19.x86_64
$ rpm -q nss
nss-3.15.3-1.fc19.x86_64


On Wed, Dec 18, 2013 at 2:54 PM, Rich Megginson <rmeggins at redhat.com> wrote:

>  On 12/18/2013 12:43 PM, Joe Mou wrote:
>
> I have a broken IPA replica that appears to be suffering from a hung
> directory server. The master seems to be working fine, but LDAP requests to
> the replica hang indefinitely. I attached gdb to ns-slapd and suspect a
> deadlock in cos_cache.c.
>
>  Thread 7 seems to be hung on an LDAP delete for a user account that we
> recently removed. Every time the directory server is started, it tries to
> issue this delete, apparently to sync the replica.
>
>  I have been unsuccessful in trying to remove the offending replica
> because ipa-replica-manage seems to need to make LDAP requests against the
> replica. For example:
>
>  $ ipa-replica-manage del p-ipa-wd02.prod.the.flatiron.com
>
> ^CConnection to 'p-ipa-wd02.prod.the.flatiron.com' failed: Insufficient
> access: SASL(0): successful result:
> Unable to delete replica 'p-ipa-wd02.prod.the.flatiron.com'
>
>  ^CTraceback (most recent call last):
>   File "/usr/sbin/ipa-replica-manage", line 1252, in <module>
>     main()
> KeyboardInterrupt
>
>  Backtraces of the suspicious threads and log excerpts are at
> http://p.flatiron.com/~jmou/ipa/ . I was only able to install a limited
> set of debugging symbols; let me know if I can be of more help.
>
>  Any help in fixing this replica or even just removing it would be
> greatly appreciated!
>
>
> What is your platform?  rpm -q 389-ds-base
>
> There were some hangs with rhel 6.4.z.  Please update to the latest
> 389-ds-base (1.2.11.15-30 or later) and nss 3.15.3 or later.
>
>
>  Joe
>
>
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>
>
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