Date: Sat, 2 Jul 2005 16:10:14 -0700 (PDT) From: Doug White <dwhite@gumbysoft.com> To: Mike Meyer <mwm@mired.org> Cc: Mike Meyer <mwm@idiom.com>, stable@freebsd.org Subject: Re: 5.4 fails to find boot drive, then panics. Message-ID: <20050702161003.S43007@carver.gumbysoft.com> In-Reply-To: <17090.41727.999521.562972@bhuda.mired.org> References: <200506250622.j5P6MOGf032978@idiom.com> <20050628232828.G3088@carver.gumbysoft.com> <17090.41727.999521.562972@bhuda.mired.org>
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On Wed, 29 Jun 2005, Mike Meyer wrote: > In <20050628232828.G3088@carver.gumbysoft.com>, Doug White <dwhite@gumbysoft.com> typed: > > On Fri, 24 Jun 2005, Mike Meyer wrote: > > > > > I'm trying to install 5.4-RELEASE off of CDROM on an ASUS P5S800 motherboard > > > with a SATA drive in it. The SATA drive shows up as ad4 during the install > > > process, and the install goes just fine. > > > > > > But the resulting system fails to boot. It goes through the boot sequence, > > > draws the cute 5.x booto menu, then issues the messages: > > > > > > Can't work out which disk we are booting from. > > > Guessed BIOS device 0xffffffff not found by probes, defaulting to disk0: > > > > > > panic: free: guard1 fail @0x5195c from /usr/src/sys/boot/i386/loader/../../common/module.c:957 > > > --> Press a key on the console to reboot <-- > > > > > > Booting with debug messages doesn't change this at all. > > > > This is in the loader. Your machine is seriously messed up. I'd suggest > > checking for a BIOS update. Also try rearranging your ATA channels and > > disabling DMA mode for the ATA controllers in the BIOS setup. > > I figured that out. Since writing the original message, I managed to > get the thing (mostly) working by hacking the loader to wire down the > values for the boot drive rather than having it probe for them. > > > Unfortunately ASUS boards of this type are known to have braindamaged > > ACPI, so this is only the beginning of a long, painful journey. :( > > How far does turning off ACPI in the BIOS go towards solving these > problems? I'd be surprised if it does much, if anything. Reportedly, the machine doesn't boot. -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org
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