Date: Thu, 24 Nov 2005 04:36:16 -0500 From: Kris Kennaway <kris@obsecurity.org> To: Stefan Bethke <stb@lassitu.de> Cc: freebsd-current@freebsd.org, Kris Kennaway <kris@obsecurity.org> Subject: Re: em interrupt storm Message-ID: <20051124093616.GA18522@xor.obsecurity.org> In-Reply-To: <858BF11C-E2B4-404B-B502-26AD49F5C962@lassitu.de> References: <002801c5f081$f01ff200$642a15ac@smiley> <4384F807.6050105@samsco.org> <14BE0E5B-F596-4CB2-8048-07FC275C089F@lassitu.de> <20051124062624.GA15944@xor.obsecurity.org> <858BF11C-E2B4-404B-B502-26AD49F5C962@lassitu.de>
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--/04w6evG8XlLl3ft Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Nov 24, 2005 at 10:28:59AM +0100, Stefan Bethke wrote: >=20 > Am 24.11.2005 um 07:26 schrieb Kris Kennaway: >=20 > >On Thu, Nov 24, 2005 at 06:24:17AM +0100, Stefan Bethke wrote: > >>Am 24.11.2005 um 00:15 schrieb Scott Long: > >> > >>>I've directly observed it on 7501WV2 and 7520BD2 boards. I don't > >>>know if it's a problem that will affect other board configurations > >>>or cousin chipsets like the 7505 and 7525. > >> > >>We've got a Tyan i7501 Pro that we have had stability issues with > >>since the beginning. Is it thinkable that the interrupt masking > >>could lead to a hard lock (no break to debugger possible)? > > > >Sounds like a different problem. Enable KDB_STOP_NMI in your kernel, > >which should let you break to DDB. >=20 > Unfortunatly, no luck: can't break into the debugger with the option =20 > compiled into the kernel and debug.kdb.stop_cpus_with_nmi=3D1 set in =20 > loader.conf either. I've never encountered this..is it possible this hardware is faulty? Kris --/04w6evG8XlLl3ft Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFDhYmQWry0BWjoQKURAlt4AJ9YZ9tYhYfuIZ5yEdXlFk8TEltkoACcCR8h SCBNpQShcgyWS1U5D99WPUw= =kWWF -----END PGP SIGNATURE----- --/04w6evG8XlLl3ft--
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