From: Len Brown <lenb@kernel.org>
To: Arjan van de Ven <arjan@infradead.org>
Cc: Paul P Komkoff Jr <i@stingr.net>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [Dumb question] 100k RTC interrupts/sec on SMP system: why?
Date: Thu, 4 Jan 2007 14:44:45 -0500 [thread overview]
Message-ID: <200701041444.45250.lenb@kernel.org> (raw)
In-Reply-To: <1163166183.3138.707.camel@laptopd505.fenrus.org>
On Friday 10 November 2006 08:43, Arjan van de Ven wrote:
> On Fri, 2006-11-10 at 16:35 +0300, Paul P Komkoff Jr wrote:
> > Replying to Arjan van de Ven:
> > > Also have you tried acpi=off or the linux firmware test kit (see url in
> >
> > acpi=off fixed this.
> > 8: 1 0 IO-APIC-edge rtc
> acpi=on had this
>
> > 8: 3673166897 3674697116 IO-APIC-level rtc
>
> spot the level-vs-edge difference.... your acpi interrupt routing looks
> bust.
>
>
> > So I got rid of "interrupt storm" but what I've lost (except poweroff)?
>
> you can get power off with APM as well.
Servers don't have APM.
It seems this is an additional sighting of this BIOS bug:
http://bugzilla.kernel.org/show_bug.cgi?id=7679
(perhaps you can note that in the bug report)
pnpacpi=off should be a sufficient workaround for now.
thanks,
-Len
ps. there is nothing dumb about this question:-)
prev parent reply other threads:[~2007-01-04 19:45 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-09 10:09 [Dumb question] 100k RTC interrupts/sec on SMP system: why? Paul P Komkoff Jr
2006-11-10 4:41 ` Andrew Morton
2006-11-10 12:35 ` Paul P Komkoff Jr
2006-11-10 13:00 ` Arjan van de Ven
2006-11-10 13:15 ` Paul P Komkoff Jr
2006-11-10 13:35 ` Paul P Komkoff Jr
2006-11-10 13:43 ` Arjan van de Ven
2007-01-04 19:44 ` Len Brown [this message]
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