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SubjectRe: 2.6.25-rc5-git6: Reported regressions from 2.6.24
On Mon, 24 Mar 2008, Gabriel C wrote:
> >>> Can you please give it a test ride ?
> >> Done , git head + Andi's patch + this version of your patch does work here.
> >>
> >> Also time-warp-test is just fine and everything else seems to work.
> >
> > Also I've tested with my other motherboard and is fine too :)
> >
> > Feel free to add my Tested-by when you push this patch.
>
> Heh :/
>
> ...
>
> [ 5902.632878] Clocksource tsc unstable (delta = 4686687272 ns)
> [ 5920.650516] Time: acpi_pm clocksource has been installed.
>
> ...
>
> Seems like something still triggers that :/

Hmm. Can you please apply the patch below. It add some more info and
triggers the sysrq-q timer list printout when the watchdog
triggers. That might us give some insight into this.

Thanks,
tglx

---
kernel/time/clocksource.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

Index: linux-2.6/kernel/time/clocksource.c
===================================================================
--- linux-2.6.orig/kernel/time/clocksource.c
+++ linux-2.6/kernel/time/clocksource.c
@@ -87,8 +87,10 @@ static void clocksource_ratewd(struct cl
if (delta > -WATCHDOG_THRESHOLD && delta < WATCHDOG_THRESHOLD)
return;

- printk(KERN_WARNING "Clocksource %s unstable (delta = %Ld ns)\n",
- cs->name, delta);
+ printk(KERN_WARNING
+ "Clocksource %s unstable (delta = %Ld ns) E:%lu J:%lu\n",
+ cs->name, delta, watchdog_timer.expires, jiffies);
+ sysrq_timer_list_show();
cs->flags &= ~(CLOCK_SOURCE_VALID_FOR_HRES | CLOCK_SOURCE_WATCHDOG);
clocksource_change_rating(cs, 0);
list_del(&cs->wd_list);

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