Re: 2.6.14-rc5-rt5 - softirq-timer/0/3[CPU#0]: BUG in ktime_get at kernel/ktimers.c:103

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* Steven Rostedt <[email protected]> wrote:

> > Time: tsc clocksource has been installed.
> > WARNING: non-monotonic time!
> > ... time warped from 151976744 to 147973105.
> > softirq-timer/0/3[CPU#0]: BUG in ktime_get at kernel/ktimers.c:103
> 
> Hi Mark,
> 
> Yeah, I saw this too, and it went through to Thomas Gleixner and then 
> to John Stultz, where he said that he may have fixed this in his 
> latest version.  So we are now waiting on Thomas to pull John's work 
> into the ktimers code, and then onto Ingo's RT base.
> 
> So, until then, you may just ignore the messages.  It should only 
> happen when the tsc clocksource changes.
> 
> Unless, of course -rt5 already has this (I just got back from Germany, 
> so I've been out of the loop).
> 
> Thomas, this hasn't been done yet, has it?

not yet, but it's in progress. Meanwhile i increased the number of times 
the warning will be printed per bootup (from 1 to 3), so that if a time 
warp happens outside of that clock-switch case it should be printed too.

	Ingo
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