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Date:      Fri, 17 Nov 2000 10:40:00 +1100 (EST)
From:      Stanley Hopcroft <Stanley.Hopcroft@IPAustralia.Gov.AU>
To:        Alexander Leidinger <Alexander@leidinger.net>
Cc:        FreeBSD-Questions@FreeBSD.ORG
Subject:   Re: ntop, worlds greatest network monitor, no go on FreeBSD
Message-ID:  <Pine.BSF.4.21.0011171028400.1202-100000@stan.aipo.gov.au>
In-Reply-To: <200011161330.eAGDUH543924@Magelan.Leidinger.net>

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Dear Sir,

I am writing to thank you for your reply and say that I will be very
pleased to retry ntop on a later version of FreeBSD.

On Thu, 16 Nov 2000, Alexander Leidinger wrote:

> > behaviour as the later version. 
> 
> There where some pthread commits (bugfixes) to FreeBSD (-current and
> 4.x) recently. Perhaps you should test it on a more recent -current or
> -stable (e.g. 4.2-beta).
> 
> Bye,
> Alexander.
> 
> -- 
> Failure is not an option. It comes bundled with your Microsoft product.
> 

However, another ntop FreeBSD user, Nicolai Petri, has written that

"
I've investigated this also, and my conclusion is that -pthread and
no -lc_r parameter is correct. The test is to try 'nm .lib/ntop' to see
if libc or libc_r is used.. 

I've noticed that sometimes both are listed as a dependencies and that
is a real problem..

But still after tampering with this it still crashes hard.. When using
the never version of gd/gdchart I limited the crashes to multiple
simultanous reloads of the webpages (hold down the reload button).

The problem is most likely in the FreeBSD socket code, but even when
putting mutexes around the tcp code it still crashes, but it's much
harder to provoke.

Another thing I noticed is that 'strtok()' is used in pbuf.. Could that
be a problem.. All other places the reentrant function is used.
"

In my utter ignorance I can only say there may be some code problems in
ntop and that the FreeBSD socket calls may have thread problems ...

Thank you.

Yours sincerely,


S Hopcroft

Network Specialist
IP Australia

+61 2 6283 3189
+61 2 6281 1353 FAX





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