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Groups > linux.kernel > #1434475
| From | Thomas Gleixner <tglx@linutronix.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: rc5+tip/master: Marking clocksource 'tsc' as unstable because the skew is too large: |
| Date | 2016-06-30 13:20 +0200 |
| Message-ID | <rPIaK-to-23@gated-at.bofh.it> (permalink) |
| References | (2 earlier) <rPF3b-6QF-5@gated-at.bofh.it> <rPFPA-7mK-47@gated-at.bofh.it> <rPGiC-7LV-21@gated-at.bofh.it> <rPGVj-7Zc-3@gated-at.bofh.it> <rPGVj-7Zc-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, 30 Jun 2016, Mike Galbraith wrote:
> On Thu, 2016-06-30 at 11:42 +0200, Thomas Gleixner wrote:
>
> > So there was no watchdog firing for 525 seconds ????
>
> Yup, seems so.
if that's fully reproducible can you please enable the timer and softirq
tracepoints along with your trace printks and stop the trace when that
watchdog triggers?
extra trace printk below.
thanks
tglx
diff --git a/kernel/time/timer.c b/kernel/time/timer.c
index 3e0c4e60bf6a..418c45ab5ad5 100644
--- a/kernel/time/timer.c
+++ b/kernel/time/timer.c
@@ -1438,6 +1438,7 @@ static unsigned long __next_timer_interrupt(struct timer_base *base)
clk >>= LVL_CLK_SHIFT;
clk += adj;
}
+ trace_printk("next %lu\n", next);
return next;
}
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rc5+tip/master: Marking clocksource 'tsc' as unstable because the skew is too large: Borislav Petkov <bp@alien8.de> - 2016-06-27 22:10 +0200
Re: rc5+tip/master: Marking clocksource 'tsc' as unstable because the skew is too large: Borislav Petkov <bp@alien8.de> - 2016-06-29 19:20 +0200
Re: rc5+tip/master: Marking clocksource 'tsc' as unstable because the skew is too large: Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-06-30 10:00 +0200
Re: rc5+tip/master: Marking clocksource 'tsc' as unstable because the skew is too large: Thomas Gleixner <tglx@linutronix.de> - 2016-06-30 10:50 +0200
Re: rc5+tip/master: Marking clocksource 'tsc' as unstable because the skew is too large: Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-06-30 11:20 +0200
Re: rc5+tip/master: Marking clocksource 'tsc' as unstable because the skew is too large: Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-06-30 12:00 +0200
Re: rc5+tip/master: Marking clocksource 'tsc' as unstable because the skew is too large: Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-06-30 12:30 +0200
Re: rc5+tip/master: Marking clocksource 'tsc' as unstable because the skew is too large: Thomas Gleixner <tglx@linutronix.de> - 2016-06-30 12:40 +0200
Re: rc5+tip/master: Marking clocksource 'tsc' as unstable because the skew is too large: Thomas Gleixner <tglx@linutronix.de> - 2016-06-30 13:20 +0200
Re: rc5+tip/master: Marking clocksource 'tsc' as unstable because the skew is too large: Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-06-30 15:40 +0200
Re: rc5+tip/master: Marking clocksource 'tsc' as unstable because the skew is too large: Thomas Gleixner <tglx@linutronix.de> - 2016-06-30 15:50 +0200
Re: rc5+tip/master: Marking clocksource 'tsc' as unstable because the skew is too large: Borislav Petkov <bp@alien8.de> - 2016-06-30 16:30 +0200
Re: rc5+tip/master: Marking clocksource 'tsc' as unstable because the skew is too large: Mike Galbraith <umgwanakikbuti@gmail.com> - 2016-06-30 16:40 +0200
Re: rc5+tip/master: Marking clocksource 'tsc' as unstable because the skew is too large: Richard Cochran <richardcochran@gmail.com> - 2016-06-30 22:20 +0200
Re: rc5+tip/master: Marking clocksource 'tsc' as unstable because the skew is too large: Thomas Gleixner <tglx@linutronix.de> - 2016-06-30 12:20 +0200
Re: rc5+tip/master: Marking clocksource 'tsc' as unstable because the skew is too large: Thomas Gleixner <tglx@linutronix.de> - 2016-06-30 10:50 +0200
Re: rc5+tip/master: Marking clocksource 'tsc' as unstable because the skew is too large: Borislav Petkov <bp@alien8.de> - 2016-06-30 12:00 +0200
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