Date: Sat, 27 Dec 2003 02:20:24 -0800 (PST) From: Bruce Evans <bde@zeta.org.au> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/59732: acpi causes boot to hang Message-ID: <200312271020.hBRAKOjj050382@freefall.freebsd.org>
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The following reply was made to PR kern/59732; it has been noted by GNATS. From: Bruce Evans <bde@zeta.org.au> To: "Samuel J. Greear" <sjg@evilcode.net> Cc: freebsd-gnats-submit@FreeBSD.org Subject: Re: kern/59732: acpi causes boot to hang Date: Sat, 27 Dec 2003 21:18:57 +1100 (EST) On Fri, 26 Dec 2003, Samuel J. Greear wrote: > Same problem here, confirmed with Dec. 26 build. NForce2 Ultra chipset. > Only my box seems to make it a bit further, init gets launched prior to > hardlock. Considering the popularity of this platform unless this problem is > isolated to a few motherboards I would consider this a potential > show-stopper. Pass some ACPI clue this way and I'll do what I can. Configuring the apic causes interrupt storms on all (?*) interrupts on an ASUS A7N8X-E with Nforce2. Workarounds are to not configure the apic or to not configure acpi since not configuring acpi breaks use of the apic due to a nonexistent or wrong mptable (it's not an SMP motherboard). (*) The first time I looked, the storms seemed to be only on pci interrupts. Later, they seemed to be weirder -- even npx0 got endless interrupts, but at a much lower frequency than pci interrupts. Bruce
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