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Bug#467609: marked as done (failed assertion in nscd (hstcache.c:364) on host name lookup)

Your message dated Mon, 10 Mar 2008 18:03:16 +0100
with message-id <47D569D4.9030302@aurel32.net>
and subject line Re: Bug#467609: failed assertion in nscd (hstcache.c:364) on host name lookup
has caused the Debian Bug report #467609,
regarding failed assertion in nscd (hstcache.c:364) on host name lookup
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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-- 
467609: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=467609
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: nscd
Version: 2.3.6.ds1-13etch5
Severity: grave
Justification: renders package unusable

This looks a lot like #451552, except the bug *still* occurs on more
recent versions.  I expect this grave bug would have been fixed
_in_etch_ by the time...

Setting debug-level to 16383 in /etc/nscd.conf, and running nscd -d in
a terminal gives the following crash before a few minutes to hours (even
when nscd was started after invalidating the caches with nscd -i):

[...cut...]
> 10152: add new entry "adtech.panthercustomer.com" of type GETHOSTBYNAME for hosts to cache (first)
> 10152: Reloading "adtech.panthercustomer.com" in hosts cache!
> 10152: add new entry "adtech.panthercustomer.com" of type GETHOSTBYNAME for hosts to cache (first)
> 10152: Reloading "adtech.panthercustomer.com" in hosts cache!
> 10152: add new entry "adtech.panthercustomer.com" of type GETHOSTBYNAME for hosts to cache (first)
> 10152: Reloading "adtech.panthercustomer.com" in hosts cache!
> 10152: add new entry "adtech.panthercustomer.com" of type GETHOSTBYNAME for hosts to cache (first)
> 10152: Reloading "ecx.images-amazon.com" in hosts cache!
> nscd: hstcache.c:364: cache_addhst: Assertion `hst->h_addr_list[1] == ((void *)0)' failed.
> Aborted

Of course, after the crash all networking is slowed to a pain since
name lookups aren't cached any more... and the lack of cache also has
impacts on other tables :(

Since the process isn't rock solid, it has become unusable... one
can't go restart it every time it crashes, it would be far too often.

-- System Information:
Debian Release: 4.0
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18-6-686
Locale: LANG=fr_FR@euro, LC_CTYPE=fr_FR@euro (charmap=ISO-8859-15)

Versions of packages nscd depends on:
ii  libc6                  2.3.6.ds1-13etch5 GNU C Library: Shared
libraries

nscd recommends no packages.

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--- End Message ---
--- Begin Message --- 
Version: 2.7-1

fabien.coutant@steria.com a écrit :
> Aurelien Jarno <aurelien@aurel32.net> a écrit le 2008-03-02 12:54 :
> [...cut...]
>> Could you please try the version from: http://temp.aurel32.net/glibc/ ?
>> It's the version from etch, with a patch backported from upstream that
>> may fix the problem.
>>
>> You only need to install the new nscd, the other binary packages have
>> been built because they are part of the same source package.
> 
> It seems to be much better: I didn't have a single crash during a whole
> working week (5 days);
> But I won't be able to test for longer periods of time...
> Thanks for the backport, I will keep it preciously.
> 

Ok, so I guess the problem is fixed in sid. I am marking the bug closed
for lenny/sid, keeping it open for etch. I will see if the stable
release team allow us to fix this bug in etch.

-- 
  .''`.  Aurelien Jarno	            | GPG: 1024D/F1BCDB73
 : :' :  Debian developer           | Electrical Engineer
 `. `'   aurel32@debian.org         | aurelien@aurel32.net
   `-    people.debian.org/~aurel32 | www.aurel32.net

--- End Message ---
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