Date: Mon, 22 Dec 2003 11:35:23 -0500 (EST) From: John Baldwin <jhb@FreeBSD.org> To: John Polstra <jdp@polstra.com> Cc: current@freebsd.org Subject: RE: PII SMP system hangs during boot with ACPI enabled Message-ID: <XFMail.20031222113523.jhb@FreeBSD.org> In-Reply-To: <XFMail.20031221142813.jdp@polstra.com>
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On 21-Dec-2003 John Polstra wrote: > On 02-Dec-2003 John Baldwin wrote: >> >> On 23-Nov-2003 John Polstra wrote: >>> I have an old dual PII/400 system that I'm trying to set up as a >>> -current scratchbox. The motherboard is a Tyan S1836DLUAN with the >>> Intel 440BX chipset. I upgraded the BIOS to the latest from Tyan's >>> web site. It is supposed to support ACPI. I'm using -current from >>> around noon Pacific time, November 23 (today). >>> >>> The system boots and runs fine if I disable ACPI either in loader.conf >>> or in the BIOS, but if ACPI is enabled it hangs fairly late in the >>> boot, right after these messages: >>> >>> lo0: bpf attached >>> acpi_cpu0: set speed to 100.0% >>> acpi_cpu: throttling enabled, 8 steps (100% to 12.5%), currently 100.0% > [...] >> Try http://www.FreeBSD.org/~jhb/patches/acpi_irq.patch > > Bingo! Looks like you nailed it. I got home from vacation, updated > to the latest -current, confirmed it was still broken, and applied > your patch (which still applied cleanly). I had to change a couple of > identifiers to make it compile: > > APIC_TRIGGER_LEVEL ==> TRIGGER_LEVEL > APIC_POLARITY_ACTIVEHI ==> POLARITY_ACTIVE_HIGH > > I assume those were just typos, and I hope I guessed the right > replacements. Anyway, now the system boots and runs fine with ACPI > enabled, and things like "shutdown -p" do the right thing. Thanks! > Your patch looks like a keeper. Well, except that it breaks other machines like my test machines here. :) I'm trying to work on making it work better though as well as not hardcode 9 for the SCI interrupt. Watch this space. -- 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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