Date: Tue, 10 Sep 2002 12:51:15 -0700 From: Ross Finlayson <finlayson@live.com> To: Peter Pentchev <roam@ringlet.net> Cc: freebsd-bugs@freebsd.org Subject: Re: named crash (again) Message-ID: <4.3.1.1.20020910124512.00bf6580@laptop-localhost> In-Reply-To: <20020910193801.GB4158@straylight.oblivion.bg> References: <4.3.1.1.20020910003032.00bf4860@laptop-localhost> <4.3.1.1.20020910003032.00bf4860@laptop-localhost>
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At 12:38 PM 9/10/02, Peter Pentchev wrote:
>On Tue, Sep 10, 2002 at 12:32:04AM -0700, Ross Finlayson wrote:
> > A few days ago, I reported a "named" crash. Tonight, I saw it again:
>[snip crash info]
> > Strangely, the error occurred almost exactly 6 days after the previous
> > occurrence.
>
>This means that you may have indeed stumbled upon a genuine BIND bug.
>Six days is the default time-to-live on a zone NS record; this probably
>means that BIND crashed last time while either processing the record or
>building a reply packet for a client, and now, six days later, when the
>record expired, the resolver tried to look it up again, and crashed in
>the same way.
>
>Could you try to correlate the time of the crash with something either
>you or your users were doing?
Nothing in particular seemed to be happening at that time. I also looked
at both my www and mail logs, and nothing was happening there within a few
seconds of the crash.
> Do you
>have the ability (disk space, CPU utilization) to turn on BIND's query
>log and (possibly another six days from now) examine the queries issued
>around the time of the crash?
Yes, I can probably do this. Please let me know what, in particular, you'd
like me to put in a
logging { ... };
statement in /etc/namedb/named.conf ?
Ross.
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