Date: Wed, 20 Nov 2002 17:31:12 -0800 (PST) From: Nate Lawson <nate@root.org> To: Mitsuru IWASAKI <iwasaki@jp.FreeBSD.org> Cc: freebsd-current@FreeBSD.ORG Subject: Re: DP2 (I think!) crash booting from floppies Message-ID: <Pine.BSF.4.21.0211201729470.65671-100000@root.org> In-Reply-To: <20021121.095212.95909987.iwasaki@jp.FreeBSD.org>
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On Thu, 21 Nov 2002, Mitsuru IWASAKI wrote: > Nate Lawson wrote: > > Can someone get the memory detection (int 12) back to stable? The > > conservative approach seems to only have the limitation of "losing" 640k > > whereas the experimental approach causes panics. > > > > Can we take such critical experiments out of the base system and let them > > mature as a patch? I heard something about a release coming up or > > something like that. > > I already got the memory detection (int 12) back to STABLE and CURRENT. > After all, nothing had changed there except for having new loader tunable. > > If you find 'Fatal trap 12: page fault while in vm86 mode' message at > early kernel boot stage, your BIOS probably has broken INT 12H (in my > case, it was not implemented by BIOS writer). > The loader tunable 'hw.hasbrokenint12' is workaround for it. > Try this at loader prompt: > ok set hw.hasbrokenint12="1" Ah, thank you very much. I didn't know this had been reverted. The tunable should be documented in the errata section as I'm sure other users would appreciate that. -Nate To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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