Date: Tue, 29 Nov 2005 16:47:01 -0500 From: John Baldwin <jhb@freebsd.org> To: David Kelly <dkelly@hiwaay.net> Cc: freebsd-acpi@freebsd.org Subject: Re: Worked in RELENG_5, fails in RELENG_6 Message-ID: <200511291647.02056.jhb@freebsd.org> In-Reply-To: <20051129211928.GE4935@Grumpy.DynDNS.org> References: <20051127010724.GA1161@Grumpy.DynDNS.org> <200511291452.35400.jhb@freebsd.org> <20051129211928.GE4935@Grumpy.DynDNS.org>
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On Tuesday 29 November 2005 04:19 pm, David Kelly wrote: > On Tue, Nov 29, 2005 at 02:52:34PM -0500, John Baldwin wrote: > > On Monday 28 November 2005 10:46 pm, David Kelly wrote: > > > Downloaded and FLASHed BIOS from A06 to Dell's latest, A09 this > > > evening. No improvement. Also built and installed a new kernel from > > > cvsup this afternoon. No improvement. > > > > But 5.4 works fine with ACPI enabled? This is the machine that even > > acpidump chokes on, yes? Does acpidump work ok on 5.4? > > "acpidump -t -d" stops after 31 lines and says, "acpidump: FACS is > corrupt" on stderr. See > http://home.hiwaay.net/~dkelly/opus-acpidump-d-t.txt > > "acpidump -d" runs without error and emits 2754 lines. See > http://home.hiwaay.net/~dkelly/opus-acpidump-d.txt > > ACPI worked with 5.4 so I never had a reason to acpidump then. Could I > boot a 5.4 CDROM to test ACPI? Without much effort have put my hands on > a "5.3-RELEASE Live Filesystem" CDROM that should make a good test. > > There was an issue briefly with ACPI in 5.0 or 5.1, very likely in a > prerelease. > > Absolultely certain ACPI worked prior to 6.0 because among other things > ACPI installed a power button handler which performed a clean shutdown > (same as ctl-alt-del) rather than brute force yank-the-plug crash. Ok. BTW, FACS is an ACPI 2.0 table that replaces the FADT (I think), so if your BIOS has an option to only do ACPI 1.0, you can try that to see if it fixes the problem. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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