Date: Sat, 21 Feb 2009 16:44:18 +0100 From: Christoph Mallon <christoph.mallon@gmx.de> To: Alexander Motin <mav@FreeBSD.org> Cc: FreeBSD-Current <freebsd-current@freebsd.org> Subject: Re: Fatal trap 30: reserved (unknown) fault Message-ID: <49A02152.8050209@gmx.de> In-Reply-To: <49A00130.9070105@FreeBSD.org>
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Alexander Motin schrieb: > Hi. > > About month ago after one of my amd64 8-CURRENT upgrade I have started > to see crashes with very strange message: > Fatal trap 30: reserved (unknown) fault while in kernel mode > > Crash usually happens during some driver loading or unloading, for > example, snd_hda, which always worked fine before, or during ata channel > detach/attach which also causes device destruction/creation. Backtrace > of this state shows nothing interesting, for example idling in > acpi_cpu_c1() or just DELAY(). > > Does anybody knows, for whom is this fault "reserved" and what does it > mean? Intel: 20-31 -- Intel reserved. Do not use. This exception really should not happen. Maybe int 0x30 is executed, but this should not be the case either.home | help
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