Mailinglist Archive: opensuse-bugs (7823 mails)

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https://bugzilla.novell.com/show_bug.cgi?id=387202

User robin.listas@xxxxxxxxxxxxxx added comment
https://bugzilla.novell.com/show_bug.cgi?id=387202#c100





--- Comment #100 from Carlos Robinson <robin.listas@xxxxxxxxxxxxxx>  2009-02-05 
07:58:42 MST ---
(In reply to comment #98)
> The debuginfo packages are right there where Petr said in comment #77.
> Maybe you are confused that there's no nscd-debug{info,source}?  That's 
> because
> debug packages don't exist for subpacks (and nscd is one of glibc),
> you need to install glibc-debuginfo (-debugsource).

Well, if you want me to install something in order to produce the coredump,
tell me what exactly do I install.

> Also, Carlos: you didn't yet follow the guidelines of comment #66.  You still
> use persistent databases.  Yes, the comment talks about setting it to "0".
> Of course instead you should use "no" for all databases you have in nscd.conf.
> See nscd.conf(5).

No, I didn't, I said in #88 and #91 that I needed clarification. I still do. Do
you mean I should use:

        persistent              whatever         no

> But indeed, more logs are not necessary I think, we see the assertions
> that cause nscd to exit.  core file would be a bit more usefull.  They aren't
> placed into the current pwd, but into the working dir of nscd, which usually
> is '/' (nscd chdir's into that one as daemon).  You probably have some lying
> around there.

One of the crashes was not an assertion but a segfault. No, there is no core on
/. I can run an "updatedb; locate corewhatever", but I need to know the exact
name to search for, because it yields up of 5713 entries. Or alternatively, an
exact "find" command to find it.

As far as I can see, there is no core in:
/
/tmp
/var/run/nscd
/root/Bugzilla/Bug_387202    <-- pwd where I run "nscd -d"
/root
/home/cer

Note: the "nscd -d" command runs on an xterm where I did "su -" to root, in
order to keep an eye on it. The xterm is under gnome. I remember some mention
years ago of X blocking coredumps. But somebody here said he managed to produce
coredumps with a code dividing by zero, so it must be nscd which impedes them
:-?

Suggestion: search for all assertions in the code and replace/add logger calls.
In my programming days, an assertion was the last resource to use, and never in
production code. It was used instead of proper code to find an unexpected
situation, never as error handling code.

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