Date: Tue, 19 Mar 2002 19:27:53 +0000 From: Josef Karthauser <joe@tao.org.uk> To: W Alexander Hagen <aligzanduh@yahoo.com> Cc: Mike Silbersack <silby@silby.com>, Greg Black <gjb@gbch.net>, freebsd-net@freebsd.org Subject: Re: Freebsd REL_ENG 4.3 p28 freezes every 30 minutes. Message-ID: <20020319192753.GE4989@genius.tao.org.uk> In-Reply-To: <20020319185109.53474.qmail@web9902.mail.yahoo.com> References: <20020319035747.T48355-100000@patrocles.silby.com> <20020319185109.53474.qmail@web9902.mail.yahoo.com>
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[-- Attachment #1 --] On Tue, Mar 19, 2002 at 10:51:09AM -0800, W Alexander Hagen wrote: > > The problem only occurs during large file transfers. This box has 10 10/100 cards and is acting as a router. > Are there any sysctl parameters that I should look at to optimize operation as a router ? Optimization or not the machine shouldn't be crashing. Please follow the advice below so that you can catch some debug info when it next happens. Joe > Mike Silbersack <silby@silby.com> wrote: > On Mon, 18 Mar 2002, W Alexander Hagen wrote: > > > > > How do I find out how to run the box so it outputs the errant code line > > when it crashes ? Is there a good faq ? > > Check out: > > http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug.html > > Part 16.4, "On-Line Kernel Debugging Using DDB" is what you should > probably focus on. > > Once you compile DDB into the kernel, it should throw you into DDB > whenever a system crash occurs. If the system seems to crash, but does > not throw you into DDB, you can then try ctrl-alt-esc to manually enter > it. In either case, you can then run "trace" to get a backtrace of where > the problem occured. From that, we should be able to help you. > > If you can't even break into DDB whenever your computer crashes, then > something is seriously wrong, _probably_ bad hardware of some sort. > > Mike "Silby" Silbersack [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (FreeBSD) Comment: For info see http://www.gnupg.org iEYEARECAAYFAjyXkTkACgkQXVIcjOaxUBYx6gCcDGPL2wI4OyXDo2w23J/Cq3SC 1qcAn2916LvUws5MRLg3GcP0ypixPNZa =KPDm -----END PGP SIGNATURE-----
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