On Mon, Mar 22, 2010 at 06:55:00PM +0100, Lukas Kolbe wrote:
> Package: nscd
> Version: 2.7-18lenny2
> Severity: grave
>
> Hi,
>
> on all (?) our servers we see repeated crashes of nscd:
>
> [ 3687.306397] nscd[3340]: segfault at 10 ip 00007f6b22ce3685 sp
> 00007fffc977bb60 error 6 in nscd[7f6b22cdd000+1c000]
>
> This happens mostly between 3000 and 6000 seconds after starting. We
> have 3003 users in our LDAP, so we increased the 'suggested-size' to a
> high prime number 99991, removed the dbs and restarted nscd. The crashes
> happen nevertheless, rendering nscd completely unusable on our systems.
> I'd like to provide more debugging information, but I don't really know
> how at the moment ...
I'm currently setting up a similar test environment with Lenny
and Squeeze to see if I can reproduce it.
nscd has configuration options to force a continuous restart, see
the options "paranoia" and "restart-interval" in nscd.conf. Does
nscd keep up if you set it to something like 600?
You should probably use this in conjunction with the "persistent"
settings.
Cheers,
Moritz
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