From: Thomas Gleixner <tglx@linutronix.de>
To: Pavel Machek <pavel@ucw.cz>
Cc: Ingo Molnar <mingo@elte.hu>, kernel list <linux-kernel@vger.kernel.org>
Subject: Re: [patch] Re: nohz and strange sleep latencies
Date: Sun, 25 Nov 2007 22:42:28 +0100 (CET) [thread overview]
Message-ID: <alpine.LFD.0.9999.0711252239070.26417@localhost.localdomain> (raw)
In-Reply-To: <20071125202557.GB7739@elf.ucw.cz>
On Sun, 25 Nov 2007, Pavel Machek wrote:
> Hi!
>
> Okay, so the problem seems to be we are using unreliable lapic
> timer... which is stopped in C3 (and in C2 on broken machines).
>
> I do not see any mechanism to disable lapic; there seems to be some
> mechanism to work around stopped lapic timer is used (in
> acpi/processor_idle.c) but it does not seem to work. So what about
> this?
nolapic_timer on 32bit
noapictimer on 64bit
Sigh, I know that sucks, but it's the history of the diverged trees.
tglx
next prev parent reply other threads:[~2007-11-25 21:43 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-19 20:31 Pavel Machek
2007-11-19 20:55 ` Ingo Molnar
2007-11-19 21:11 ` Pavel Machek
2007-11-20 8:57 ` Ingo Molnar
2007-11-20 9:05 ` Ingo Molnar
2007-11-20 10:54 ` Pavel Machek
2007-11-20 20:54 ` Ingo Molnar
2007-11-20 22:48 ` Thomas Gleixner
2007-11-20 22:52 ` Ingo Molnar
2007-11-22 10:09 ` Pavel Machek
2007-11-22 18:51 ` Pavel Machek
2007-11-22 18:52 ` Pavel Machek
2007-11-22 20:29 ` Thomas Gleixner
2007-11-23 12:22 ` Pavel Machek
2007-11-24 22:29 ` Pavel Machek
2007-11-24 22:40 ` Pavel Machek
2007-11-24 23:29 ` Rafael J. Wysocki
2007-11-24 23:35 ` Rafael J. Wysocki
2007-11-25 21:51 ` Thomas Gleixner
2007-11-25 20:25 ` [patch] " Pavel Machek
2007-11-25 21:42 ` Thomas Gleixner [this message]
2007-11-26 11:54 ` Pavel Machek
2007-11-20 9:44 ` Thomas Gleixner
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