Date: Fri, 07 Nov 2003 18:49:21 -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.20031107184921.jhb@FreeBSD.org> In-Reply-To: <3FAC263C.6090401@liwing.de>
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On 07-Nov-2003 Jens Rehsack wrote: > John Baldwin wrote: >> On 07-Nov-2003 Jens Rehsack wrote: >> >>>Lars Eggert wrote: >>> >>>>John Baldwin wrote: >>>> >>>> >>>>>On 07-Nov-2003 Lars Eggert wrote: > >>>>>>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. > > Attached. Or shall I upload it to a web-server, too? Thanks, IRQ 16 was programmed as level, activelo, so it wasn't an off by one error there. Grr. -- 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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