kern/59732: acpi causes boot to hang
bde at zeta.org.au
Sat Dec 27 02:20:25 PST 2003
The following reply was made to PR kern/59732; it has been noted by GNATS.
From: Bruce Evans <bde at zeta.org.au>
To: "Samuel J. Greear" <sjg at evilcode.net>
Cc: freebsd-gnats-submit at 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
(*) 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.
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