lkml.org 
[lkml]   [2006]   [Feb]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [patch] x86_64: warn if unable to configure apic main timer
In-Reply-To: <200602231024.38599.ak@suse.de>

On Thu, 23 Feb 2006 at 10:24:38 +0100, Andi Kleen wrote:
> On Thursday 23 February 2006 10:17, Chuck Ebbert wrote:
> > When using the APIC main timer option on x86_64, sometimes it
> > fails to complete its setup. Warn about this and suggest
> > the user try 'disable_timer_pin_1' if their system clock runs
> > too fast. Also, make printing of the exact result of APIC
> > timer calibration require 'apic=verbose'.
>
> This is not the right solution. Have to find out what's going
> wrong and fix that.
>

I was thinking of this more as a band-aid for 2.6.16.

But this patch is broken anyway; it will print the message on
non-bootstrap CPUs.

> I'm also experimenting with a different way to run the timer
> because apicmaintimer doesn't work on a lot of laptops
> because they have trouble running the APIC timer during c2.

Yeah, I saw the Intel patch that does the exact opposite of
apicmaintimer. It's kind of funny having both of them in there.

--
Chuck
"Equations are the Devil's sentences." --Stephen Colbert

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-02-23 19:13    [W:0.367 / U:0.212 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site