Date: Fri, 24 Feb 2006 21:01:10 -0500 From: Kris Kennaway <kris@obsecurity.org> To: Brad Waite <freebsd@wcubed.net> Cc: freebsd-stable@freebsd.org, Kris Kennaway <kris@obsecurity.org> Subject: Re: 5.4-STABLE hangs every few days Message-ID: <20060225020110.GA40333@xor.obsecurity.org> In-Reply-To: <43FFB9F5.7080402@wcubed.net> References: <43FFB745.3000401@wcubed.net> <20060225015704.GA40225@xor.obsecurity.org> <43FFB9F5.7080402@wcubed.net>
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--opJtzjQTFsWo+cga Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Feb 24, 2006 at 06:59:17PM -0700, Brad Waite wrote: > Kris Kennaway wrote: > >On Fri, Feb 24, 2006 at 06:47:49PM -0700, Brad Waite wrote: > >>Hi all, > >> > >>Been having problems with my Tyan Thunder i7500 (S2720) dual Xeon=20 > >>running -STABLE: it's hanging every couple of days. > >> > >>I couldn't find any specific fixes on the lists, but I did come across= =20 > >>some instructions about breaking into the debugger from a serial=20 > >>console. I built a kernel with the following options: DDB, KDB, WITNES= S=20 > >>& BREAK_TO_DEBUGGER (INVARIANTS wouldn't build). > > > >Perhaps you forgot INVARIANT_SUPPORT. >=20 > Thanks, Kris. I didn't know I needed it (just going by some=20 > instructions on the list). What does INVARIANTS do, anyway? Will it=20 > help troubleshoot this problem? Yes, it enables lots of runtime checks, so it's quite important when trying to diagnose kernel problems. Kris --opJtzjQTFsWo+cga Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFD/7pmWry0BWjoQKURAsu6AJ9NJwTVcYIGxKUiB9Pl9N5Au64xbACfdFtk CxRZWFIMyd+lMM/ZxYaCW08= =5pRM -----END PGP SIGNATURE----- --opJtzjQTFsWo+cga--
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