[389-users] Segfault & Core Dumps

[Rich Megginson]

Dael Maselli wrote:
> Hi,
>
> I'm experiencing a lot of segmentation fault on my installations, I have 
> the latest release on EPEL on SL 5.4 (389-Directory/1.2.5 B2010.012.2034).
>   
Do you see seg fault messages in /var/log/messages?
> I'm trying to get core dumps but without success. Is there a specific 
> configuration that prevents/allows 389-ds to core dump?
>
> The default on linux, you know, is to have core dump soft limit to 0, so 
> I changed it for 389 in /etc/sysconfig/dirsrv, adding the line:
>   ulimit -c unlimited
>
> and now I get:
>
> # more /proc/`pidof ns-slapd`/limits | grep core
> Max core file size        unlimited            unlimited            bytes
>
> Kernel parameters are at default:
>
> # sysctl -a | grep kernel.core
> kernel.core_pattern = core
> kernel.core_uses_pid = 1
>
> So, I expected a core dump in /proc/`pidof ns-slapd`/cwd/, right?
>   
The directory server dumps core in the log file directory, which by 
default is /var/log/dirsrv/slapd-INSTANCE

Is the crash easily reproducible?
> But when it segfaults no file is created in cwd.
>
> Can you help me, please?
>
> Thank you.
>
> Best regards,
> 	Dael Maselli.
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