From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>, Linus Torvalds <torvalds@osdl.org>,
Andi Kleen <ak@suse.de>, Chuck Ebbert <cebbert@redhat.com>,
Dave Jones <davej@redhat.com>, Ingo Molnar <mingo@elte.hu>,
Len Brown <lenb@kernel.org>,
"Langsdorf, Mark" <mark.langsdorf@amd.com>
Subject: Re: [PATCH] x86-64: Disable local APIC timer use on AMD systems with C1E
Date: Tue, 25 Sep 2007 23:32:40 +0200 [thread overview]
Message-ID: <200709252332.41710.rjw@sisk.pl> (raw)
In-Reply-To: <1190753706.17409.64.camel@chaos>
On Tuesday, 25 September 2007 22:55, Thomas Gleixner wrote:
> On Tue, 2007-09-25 at 22:55 +0200, Rafael J. Wysocki wrote:
> > I have reworked the patch a bit so that it applies on top of 2.6.23-rc8-mm1
> > and compiles (my version is attached).
> >
> > With this patch applied, the kernel boots correctly on the nx6325.
>
> I know. It's basically enforced "noapictimer".
>
> But this still does not explain why your nasty box booted current
> mainline with "apicmaintimer" on the kernel command line.
Now it doesn't do that any more.
As I wrote in the other thread, I think that _sometimes_ the CPU doesn't enter
the C1E state (or how it's called) and then the box boots and works.
Greetings,
Rafael
next prev parent reply other threads:[~2007-09-25 21:18 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-25 19:37 [PATCH] x86-64: Disable local APIC timer use on AMD systems with C1E Thomas Gleixner
2007-09-25 20:55 ` Rafael J. Wysocki
2007-09-25 20:55 ` Thomas Gleixner
2007-09-25 21:32 ` Rafael J. Wysocki [this message]
2007-09-26 8:31 ` Ingo Molnar
2007-09-26 15:06 ` Rafael J. Wysocki
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