lkml.org 
[lkml]   [2004]   [Jan]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] Better "Losing Ticks" Error Message
Hi!
>
> Andrew,
>
> Seems like a lot of people see the below error message, but aren't quite sure
> why it happens or how to fix it. I sure didn't.
>
> Here's my attempt at remedying that - Should apply cleanly against 2.6.1.
>
> Thanks,
> Timothy
>
> diff -urN linux-2.6.1-orig/arch/i386/kernel/timers/timer_tsc.c linux-2.6.1/arch/i386/kernel/timers/timer_tsc.c
> --- linux-2.6.1-orig/arch/i386/kernel/timers/timer_tsc.c 2004-01-09 01:59:46.000000000 -0500
> +++ linux-2.6.1/arch/i386/kernel/timers/timer_tsc.c 2004-01-23 21:16:24.000000000 -0500
> @@ -232,9 +232,13 @@
> /* sanity check to ensure we're not always losing ticks */
> if (lost_count++ > 100) {
> printk(KERN_WARNING "Losing too many ticks!\n");
> - printk(KERN_WARNING "TSC cannot be used as a timesource."
> - " (Are you running with SpeedStep?)\n");
> - printk(KERN_WARNING "Falling back to a sane timesource.\n");
> + printk(KERN_WARNING "TSC cannot be used as a timesource. ");
> + printk(KERN_WARNING "Possible reasons for this are:\n");
> + printk(KERN_WARNING " You're running with Speedstep,\n");
> + printk(KERN_WARNING " You don't have DMA enabled for your hard disk (see hdparm),\n");
> + printk(KERN_WARNING " Incorrect TSC synchronization on an SMP system (see dmesg).\n");
> + printk(KERN_WARNING "Falling back to a sane timesource now.\n");
> +
> clock_fallback();
> }
> } else

If something, make it "Loosing too many ticks, TSC cannot be used as a
timesource (see Documentation/time.txt)". We do not want 7 lines of
messages....
Pavel
--
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]
-
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    [W:0.077 / U:0.096 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site