From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 16 May 2001 03:00:13 -0800 From: Ethan Benson To: linuxppc-dev@lists.linuxppc.org Subject: Re: kernel lockup Message-ID: <20010516030013.N14546@plato.local.lan> References: <20010516010328.D19015@llama.nslug.ns.ca> <20010516092154.16870@mailhost.mipsys.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="Vj8lTl3Roa4E9STX" In-Reply-To: <20010516092154.16870@mailhost.mipsys.com>; from benh@kernel.crashing.org on Wed, May 16, 2001 at 11:21:54AM +0200 Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: --Vj8lTl3Roa4E9STX Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, May 16, 2001 at 11:21:54AM +0200, Benjamin Herrenschmidt wrote: >=20 > >bigfoot:~# kbdrate -h > >kbdrate: invalid option -- h thats interesting, kbdrate -h gives a usage message for me.. like it should. =20 > >Machine check in kernel mode. > >Caused by (from SRR1=3Dc9030): Unknown values in msr > > > > What do I do to debug this? > > > > The machine is totally locked, not even the SysRQ combination does > >anything. (control+command+power still resets though, since it is handl= ed > >in hardware on oldworlds.) >=20 > Well, I guess that kbdrate is yet another dumb x86'ism that will > directly tap the hardware of a PC's keyboard controller... according to the man page it trys to be portable: [...] All this is very architecture dependent. Nowadays kbdrate first tries the KDKBDREP and KIOCSRATE ioctls. (The for- mer usually works on an m68k machine, the latter for SPARC.) When these ioctls fail an ioport interface as on i386 is assumed. FILES /etc/rc.local /dev/port Linux 1.1.19 22 June 1994 2 that fallback is probably the bugger though. =20 > Well, I may be wrong, but machine check usually means that you are > trying to access non-existing hardware. --=20 Ethan Benson http://www.alaska.net/~erbenson/ --Vj8lTl3Roa4E9STX Content-Type: application/pgp-signature Content-Disposition: inline --Vj8lTl3Roa4E9STX-- ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/