Date: Mon, 2 Feb 2004 17:26:22 -0500 From: John Baldwin <jhb@FreeBSD.org> To: Peter Schultz <pmes@bis.midco.net> Cc: current@freebsd.org Subject: Re: Interrupt storm on acpi0 occurred after madt.c change Message-ID: <200402021726.22996.jhb@FreeBSD.org> In-Reply-To: <401C0079.5080403@bis.midco.net> References: <20040130164001.GA49968@neo.redjade.org> <200401301311.19251.jhb@FreeBSD.org> <401C0079.5080403@bis.midco.net>
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On Saturday 31 January 2004 02:22 pm, Peter Schultz wrote: > John Baldwin wrote: > > On Friday 30 January 2004 11:40 am, Sangwoo Shim wrote: > >>Hi. > >>I've experienced interrupt storm on acpi0 after your v1.10 madt.c commit. > >>(which is located at src/sys/i386/acpica/madt.c); > >>What really makes me frustrating is this storm wasn't here before 1.10 > >>change, which is exactly stand against your commit log message. :-( > >>I've recompiled kernel with v1.9 of madt.c and the problem didn't occur. > >> > >>I'm using ASUS P2B-D with two p3-650 processors. > >>BIOS version is 1014 beta 3 (which is the last published one); > >> > >>My kernel config is stripped GENERIC, which includes > >>option CPU_FASTER_5X86_FPU > >>option CPU_ENABLE_SSE > >>device acpi # Mine hangs with acpi loaded as module. > >> > >>Attached file is my acpidump -t -d output. > >>Thanks. > > > > Can you provide a dmesg? IRQ20 on your box is a PCI interrupt and PCI > > interrupts are level/lo, not level/hi. To top it off, ACPI states that > > the SCI is supposed to always be level/lo. You must have a very broken > > BIOS to get a storm now. > > I have this problem as well, here's my verbose dmesg and ASL: > > http://bis.midco.net/pmes/dmesg.txt > http://bis.midco.net/pmes/tyan_s1832dl.asl > > I've not reverted to v1.9 of madt.c, but I'm sure it would make all the > difference it did for the others. Ugh, does Linux work ok on this motherboard? Unfortunately, I have seen BIOS's that program level/hi and some want level/lo, and apparently the tyan's want the broken level/hi, but I can't tell the difference as they both use the same exact MADT entry. BIOS writers suck. -- 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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