From: Thomas Gleixner <tglx@linutronix.de>
To: Andi Kleen <ak@suse.de>
Cc: Andrew Morton <akpm@osdl.org>, Ingo Molnar <mingo@elte.hu>,
john stultz <johnstul@us.ibm.com>,
LKML <linux-kernel@vger.kernel.org>, Len Brown <lenb@kernel.org>,
Arjan van de Ven <arjan@infradead.org>,
Roman Zippel <zippel@linux-m68k.org>
Subject: Re: [patch 13/19] GTOD: Mark TSC unusable for highres timers
Date: Sat, 11 Nov 2006 15:08:52 +0100 [thread overview]
Message-ID: <1163254132.8335.251.camel@localhost.localdomain> (raw)
In-Reply-To: <200611111459.05854.ak@suse.de>
On Sat, 2006-11-11 at 14:59 +0100, Andi Kleen wrote:
> On Saturday 11 November 2006 14:58, Thomas Gleixner wrote:
>
> > >
> > > > > My guess is that some of the checks in there are just broken and need
> > > > > to be fixed.
> > > >
> > > > It's the unconditional mark_unstable call in ACPI C2 state. /me looks.
> > >
> > > The system doesn't support C2 states. It's an older single socket Athlon 64
> > > with VIA chipset. I haven't looked in detail on why it fails.
> >
> > Does it have cpu freqency changing ?
>
> Yep. But only OS controlled one (powernow).
>
> Most likely it happens when ondemand starts doing its thing.
Yes, thats one of the criterias the tsc clocksource is using. I'm
looking into that right now.
tglx
next prev parent reply other threads:[~2006-11-11 14:06 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-09 23:38 [patch 00/21] Highres / dynticks drop in replacement for 2.6.19-rc5-mm1 Thomas Gleixner
2006-11-09 23:38 ` [patch 01/19] hrtimers: state tracking Thomas Gleixner
2006-11-10 9:19 ` Arjan van de Ven
2006-11-10 9:40 ` Andrew Morton
2006-11-10 9:45 ` Thomas Gleixner
2006-11-23 22:26 ` Roman Zippel
2006-11-09 23:38 ` [patch 02/19] hrtimers: clean up callback tracking Thomas Gleixner
2006-11-10 9:20 ` Arjan van de Ven
2006-11-09 23:38 ` [patch 03/19] hrtimers: Move and add documentation Thomas Gleixner
2006-11-09 23:38 ` [patch 04/19] Add a framework to manage clock event devices Thomas Gleixner
2006-11-10 9:47 ` Arjan van de Ven
2006-11-23 22:36 ` Roman Zippel
2006-11-09 23:38 ` [patch 05/19] ACPI: Include apic.h Thomas Gleixner
2006-11-09 23:38 ` [patch 06/19] ACPI: Keep track of timer broadcast Thomas Gleixner
2006-11-10 9:51 ` Arjan van de Ven
2006-11-09 23:38 ` [patch 07/19] ACPI: Add state propagation for dynamic broadcasting Thomas Gleixner
2006-11-10 9:52 ` Arjan van de Ven
2006-11-09 23:38 ` [patch 08/19] i386: cleanup apic code Thomas Gleixner
2006-11-10 10:04 ` Arjan van de Ven
2006-11-10 10:16 ` Thomas Gleixner
2006-11-10 10:16 ` Arjan van de Ven
2006-11-09 23:38 ` [patch 09/19] i386: Convert to clock event devices Thomas Gleixner
2006-11-10 10:10 ` Arjan van de Ven
2006-11-09 23:38 ` [patch 10/19] PM_timer: allow early access and move externs to a header file Thomas Gleixner
2006-11-10 10:12 ` Arjan van de Ven
2006-11-09 23:38 ` [patch 11/19] i386: Rework local APIC calibration Thomas Gleixner
2006-11-10 10:17 ` Arjan van de Ven
2006-11-10 10:23 ` Thomas Gleixner
2006-11-10 11:10 ` Ingo Molnar
2006-11-09 23:38 ` [patch 12/19] high-res timers: core Thomas Gleixner
2006-11-10 10:26 ` Arjan van de Ven
2006-11-09 23:38 ` [patch 13/19] GTOD: Mark TSC unusable for highres timers Thomas Gleixner
2006-11-10 1:10 ` john stultz
2006-11-10 5:10 ` Andi Kleen
2006-11-10 8:10 ` Thomas Gleixner
2006-11-10 8:50 ` Andrew Morton
2006-11-10 8:57 ` Ingo Molnar
2006-11-10 9:13 ` Andrew Morton
2006-11-10 9:29 ` Andi Kleen
2006-11-11 11:14 ` Thomas Gleixner
2006-11-11 13:51 ` Andi Kleen
2006-11-11 13:58 ` Thomas Gleixner
2006-11-11 13:59 ` Andi Kleen
2006-11-11 14:08 ` Thomas Gleixner [this message]
2006-11-10 10:35 ` Arjan van de Ven
2006-11-10 10:47 ` Andi Kleen
2006-11-10 10:55 ` Arjan van de Ven
2006-11-10 11:13 ` Ingo Molnar
2006-11-10 11:28 ` Andi Kleen
2006-11-10 9:27 ` Andi Kleen
2006-11-10 10:14 ` Alan Cox
2006-11-10 11:19 ` Ingo Molnar
2006-11-10 15:43 ` Chris Friesen
2006-11-10 11:12 ` Pavel Machek
2006-11-10 11:48 ` Ingo Molnar
2006-11-10 11:56 ` Andi Kleen
2006-11-10 13:12 ` Ingo Molnar
2006-11-10 12:00 ` Pavel Machek
2006-11-10 13:14 ` Ingo Molnar
2006-11-10 11:11 ` Pavel Machek
2006-11-10 10:28 ` Arjan van de Ven
2006-11-10 10:30 ` Andi Kleen
2006-11-10 10:37 ` Arjan van de Ven
2006-11-09 23:38 ` [patch 14/19] dynticks: core code Thomas Gleixner
2006-11-09 23:38 ` [patch 15/19] dyntick: add nohz stats to /proc/stat Thomas Gleixner
2006-11-09 23:38 ` [patch 16/19] dynticks: i386 arch code Thomas Gleixner
2006-11-09 23:38 ` [patch 17/19] dynticks: Fix nmi watchdog Thomas Gleixner
2006-11-09 23:38 ` [patch 18/19] high-res timers, dynticks: enable i386 support Thomas Gleixner
2006-11-09 23:38 ` [patch 19/19] debugging feature: timer stats Thomas Gleixner
2006-11-23 22:24 ` [patch 00/21] Highres / dynticks drop in replacement for 2.6.19-rc5-mm1 Roman Zippel
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