Date: Fri, 07 Nov 2003 17:31:27 -0500 (EST) From: John Baldwin <jhb@FreeBSD.org> To: Jens Rehsack <rehsack@liwing.de> Cc: current@freebsd.org Subject: Re: New interrupt code slows hyperthreading down Message-ID: <XFMail.20031107173127.jhb@FreeBSD.org> In-Reply-To: <3FAC118B.1090800@liwing.de>
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On 07-Nov-2003 Jens Rehsack wrote: > Lars Eggert wrote: >> John Baldwin wrote: >> >>> On 07-Nov-2003 Lars Eggert wrote: >>> >>>> Jens Rehsack wrote: >>>> >>>>> interrupt total rate >>>>> irq1: atkbd0 512 2 >>>>> irq8: rtc 23419 127 >>>>> irq13: npx0 1 0 >>>>> irq14: ata0 4422 24 >>>>> irq15: ata1 82 0 >>>>> irq16: uhci0 uhci3 5379815 29238 >>>> >>>> >>>> This looks similar to what I described in the "fwohci0 running wild" >>>> thread. In both cases, irq16 seems to cause the problem... >>> >>> >>> Really. Does this only happen with ACPI enabled? >> >> Don't know about "only", since I have never booted this machine without >> ACPI. I'll test next time I'm rebooting. > > Don't do it. I do it for testing a few minutes ago - and it > prevents irq 16 from storming. But it does because the machine > hangs at boot with: > isa_probe_children: probing PnP devices > > I let it probe for about 10 minutes (you'll never know :-)), > but it wont do. Grrr, ok. Can you try the patch at http://www.FreeBSD.org/~jhb/patches/io_apic.patch and nab a boot -v dmesg with ACPI enabled? Thanks. -- 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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