lkml.org 
[lkml]   [2004]   [Feb]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
SubjectRe: 2.6.2 - System clock runs too fast
From
Date
On Wed, 2004-02-11 at 01:07, Markus Hofmann wrote:
> Thank you for answering.
> In the meantime I heard that apm could cause this problem. I tested this by
> compiling acpi. The result was that the clock runs normal with acpi.
> But I want to use apm. So I removed the acpi and now the system clock is too
> slow with only apm.
>
> I think this is a very curious thing! :-(

Indeed, normally its ACPI that causes more problems. That's a new one.

I'd be curious how this drift changes using the attached patch.

thanks
-john

===== arch/i386/kernel/timers/timer_tsc.c 1.35 vs edited =====
--- 1.35/arch/i386/kernel/timers/timer_tsc.c Wed Jan 7 00:31:11 2004
+++ edited/arch/i386/kernel/timers/timer_tsc.c Tue Jan 20 13:22:54 2004
@@ -226,7 +226,7 @@
delta += delay_at_last_interrupt;
lost = delta/(1000000/HZ);
delay = delta%(1000000/HZ);
- if (lost >= 2) {
+ if (0 && (lost >= 2)) {
jiffies_64 += lost-1;

/* sanity check to ensure we're not always losing ticks */






-
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: 2005-03-22 14:00    [from the cache]
©2003-2011 Jasper Spaans