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From: "Stefan Prechtel" <stefan.prechtel@googlemail.com>
To: "Grzegorz Chwesewicz" <grzegorz.chwesewicz@chilan.com>
Cc: "Ingo Molnar" <mingo@elte.hu>,
"Thomas Gleixner" <tglx@linutronix.de>, "Andi Kleen" <ak@suse.de>,
linux-kernel@vger.kernel.org, "Len Brown" <lenb@kernel.org>,
"john stultz" <johnstul@us.ibm.com>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Adrian Bunk" <bunk@stusta.de>,
"Arjan van de Ven" <arjan@infradead.org>
Subject: Re: [PATCH] i386: disable local apic timer via command line or dmi quirk
Date: Thu, 22 Mar 2007 21:42:09 +0100 [thread overview]
Message-ID: <b93822910703221342la530b1p987ae8c3b6948185@mail.gmail.com> (raw)
In-Reply-To: <20070321151250.M95929@chilan.com>
2007/3/21, Grzegorz Chwesewicz <grzegorz.chwesewicz@chilan.com>:
> On Wed, 21 Mar 2007 15:09:30 +0100, Ingo Molnar wrote
> > * Thomas Gleixner <tglx@linutronix.de> wrote:
> >
> > > The local APIC timer stops to work in deeper C-States. This is handled
> > > by the ACPI code and a broadcast mechanism in the clockevents / tick
> > > managment code.
> > >
> > > Some systems do not expose the deeper C-States to the kernel, but
> > > switch into deeper C-States behind the kernels back. This delays the
> > > local apic timer interrupts for ever and makes the systems unusable.
> > >
> > > Add a command line option to disable the local apic timer and a dmi
> > > quirk for known broken systems.
>
> Confirming that my machine on 2.6-git with this patch works just like on
> 2.6.20. Great work.
>
> --
> Greetings - Grzegorz Chwesewicz
Works here too, thx ;)
Kind regards,
Stefan Prechtel
next prev parent reply other threads:[~2007-03-22 20:42 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-19 17:10 BUG lapic: Can't boot on battery (2.6.21-rc{1,2,3,4}) Stefan Prechtel
2007-03-19 17:36 ` Thomas Gleixner
2007-03-19 17:48 ` Thomas Gleixner
2007-03-19 18:53 ` Stefan Prechtel
2007-03-19 19:17 ` Stefan Prechtel
2007-03-19 19:27 ` Thomas Gleixner
2007-03-19 19:49 ` Stefan Prechtel
2007-03-19 20:04 ` Thomas Gleixner
2007-03-19 20:35 ` Stefan Prechtel
2007-03-19 20:56 ` Thomas Gleixner
2007-03-19 21:51 ` Stefan Prechtel
2007-03-20 1:15 ` Thomas Gleixner
2007-03-20 8:23 ` Stefan Prechtel
2007-03-20 16:47 ` Grzegorz Chwesewicz
2007-03-21 9:24 ` Thomas Gleixner
2007-03-21 9:46 ` Andi Kleen
2007-03-21 10:10 ` Thomas Gleixner
2007-03-21 10:37 ` Andi Kleen
2007-03-21 11:14 ` Thomas Gleixner
2007-03-21 12:15 ` Thomas Gleixner
2007-03-21 12:33 ` Thomas Gleixner
2007-03-21 12:42 ` Andi Kleen
2007-03-21 13:04 ` Stefan Prechtel
2007-03-21 13:15 ` Thomas Gleixner
2007-03-21 14:14 ` [PATCH] i386: disable local apic timer via command line or dmi quirk Thomas Gleixner
2007-03-21 14:09 ` Ingo Molnar
2007-03-21 15:14 ` Grzegorz Chwesewicz
2007-03-22 20:42 ` Stefan Prechtel [this message]
2007-03-28 3:28 ` Len Brown
2007-03-28 3:38 ` Len Brown
2007-03-28 9:13 ` Thomas Gleixner
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