From: "Vladimir B. Savkin" <master@sectorb.msk.ru>
To: john stultz <johnstul@us.ibm.com>
Cc: Andi Kleen <ak@suse.de>, lkml <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>,
discuss@x86-64.org
Subject: Re: [PATCH] x86-64: Fix bad assumption that dualcore cpus have synced TSCs
Date: Mon, 10 Oct 2005 22:12:16 +0400 [thread overview]
Message-ID: <20051010181216.GA21548@tentacle.sectorb.msk.ru> (raw)
In-Reply-To: <1128967404.8195.419.camel@cog.beaverton.ibm.com>
On Mon, Oct 10, 2005 at 11:03:24AM -0700, john stultz wrote:
> >From your dmesg, it appears that there are no other timesources other
> then the TSC available on your hardware. So I'm guessing idle=poll is
> keeping the CPUs from halting the TSC and keeping them synched.
>
>
> I would think that the ACPI PM timer would be supported, but I don't see
> anything about it in your dmesg. Could you make sure it is properly
> configured in?
Yes, I tried different combinations of PM_TIMER and HPET options.
In this try, PM_TIMER was definetly enabled in kernel config.
What kind of kernel message did you expect from workibf PM timer?
~
:wq
With best regards,
Vladimir Savkin.
next prev parent reply other threads:[~2005-10-10 18:12 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-19 19:16 john stultz
2005-09-19 19:31 ` Andi Kleen
2005-09-19 19:42 ` john stultz
2005-09-19 19:49 ` [discuss] " Andi Kleen
2005-09-20 18:59 ` john stultz
2005-09-21 4:03 ` Daniel Jacobowitz
2005-09-21 15:15 ` Ray Bryant
2005-09-21 15:04 ` Andi Kleen
2005-09-21 15:46 ` Ray Bryant
2005-09-22 8:00 ` Jonas Oreland
2005-09-21 20:17 ` Andrew Morton
2005-10-07 12:26 ` Vladimir B. Savkin
2005-10-07 12:31 ` Andi Kleen
2005-10-07 14:15 ` Vladimir B. Savkin
2005-10-07 14:21 ` [discuss] " Velu Erwan
2005-10-08 10:11 ` Vladimir B. Savkin
2005-10-10 18:03 ` john stultz
2005-10-10 18:12 ` Vladimir B. Savkin [this message]
2005-10-10 18:19 ` Jonas Oreland
2005-10-11 7:35 ` Vladimir B. Savkin
2005-10-11 8:06 ` Andi Kleen
2005-10-11 16:27 ` Jonas Oreland
2005-10-25 7:35 ` x86-64: Syncing dualcore cpus TSCs Jonas Oreland
2005-10-25 7:42 ` Andi Kleen
2005-10-26 0:05 ` David Lang
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