Date: Wed, 19 Aug 2009 14:49:17 -0400 From: Jung-uk Kim <jkim@FreeBSD.org> To: freebsd-current@FreeBSD.org Cc: Ed Schouten <ed@80386.nl>, pluknet <pluknet@gmail.com>, Patrick Lamaiziere <patfbsd@davenulle.org> Subject: Re: AP#1 Failed! panic y/n? Message-ID: <200908191449.19887.jkim@FreeBSD.org> In-Reply-To: <200908191417.50237.jkim@FreeBSD.org> References: <20090819150045.0e01640a@baby-jane.lamaiziere.net> <20090819144136.GV1292@hoeg.nl> <200908191417.50237.jkim@FreeBSD.org>
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On Wednesday 19 August 2009 02:17 pm, Jung-uk Kim wrote: > On Wednesday 19 August 2009 10:41 am, Ed Schouten wrote: > > * pluknet <pluknet@gmail.com> wrote: > > > I'm not Patrik, but I saw this on two Intel boxes running on > > > 6.2. smbios.system.product="S5000PAL". I didn't try the later > > > releases on them. > > > > I wouldn't mind adding non-Apple hardware to this list, but only > > if you can tell me the following: > > There are many Intel ICH boards with this "feature", not just Apple > Macs. ;-) > > I heard disabling legacy keyboard/mouse emulation may work around > the problem if there is option in the BIOS: > > http://rt.wiki.kernel.org/index.php/HOWTO:_Build_an_RT-application > > The hack for Mac is required because it doesn't have "BIOS". > > FYI, I found RT Linux people wrote a simple tool to control the > bits from user space: > > http://www.rts.uni-hannover.de/rtaddon/ I found I had a similar (but very old) tool for FreeBSD: http://people.freebsd.org/~jkim/ich-periodic-smm-disable.c Originally it was posted here: http://lists.freebsd.org/pipermail/freebsd-stable/2005-April/013737.html It was a different symptom but basically the same problem, i.e., a buggy BIOS spinning too much time in SMM code. Jung-uk Kim
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