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Date:      Fri, 2 Sep 2005 08:50:08 +0100
From:      Brian Candler <B.Candler@pobox.com>
To:        Boris Samorodov <bsam@ipt.ru>
Cc:        freebsd-current@freebsd.org, Jason George <lists@masterplan.org>
Subject:   Re: 6.0-BETA3 and Asterisk
Message-ID:  <20050902075008.GA62280@uk.tiscali.com>
In-Reply-To: <74646630@srv.sem.ipt.ru>
References:  <20050831130543.C22426@f1> <31776986@srv.sem.ipt.ru> <20050901130719.GB54918@uk.tiscali.com> <74646630@srv.sem.ipt.ru>

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On Thu, Sep 01, 2005 at 06:36:57PM +0400, Boris Samorodov wrote:
> > > AFAIK just before BETA3 system libraries were bumpted. One should
> > > rebuild ports after upgrading the system from earlier one. Is it your
> > > case?
> 
> > Can mismatched library versions really cause kernel panics??
> 
> Can't say for sure. But lets solve problems by steps. Using different
> system libraries simultaneously is not right (we don't have compat-5x).

I disagree strongly. If the OP's system suffers a kernel panic, it's a
kernel problem which *needs* to be fixed. Otherwise the system is open to a
trivial denial-of-service attack: any userland program can replicate
whatever any library does to trigger the panic.

If upgrading the libraries did make the problem go away (which I doubt in
this case), then the OP might have a working system, but the stability of
FreeBSD as a whole would be the worse for it.

Regards,

Brian.



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