Re: [RT] read_tsc: ACK! TSC went backward! Unsynced TSCs?

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* Steven Rostedt <[email protected]> wrote:

> > Booting with idle=poll, fixes that.
> > 
> > Hope it help
> 
> I forgot to mention that I tried that too.  But thank you for sending 
> this, because, just to make sure, I tried it again, and now it booted. 
> I think I might have had a typo when adding idle=poll the first time.  
> I think of this as a temporary solution, and I won't be adding that to 
> grub anytime soon.  Manually typing it in at boot time will keep me 
> remembering that it is there.  As long as I make sure that I type it 
> right ;-)
> 
> OK, this means that I don't want to stay in the -RT kernel too long 
> (electric prices are up you know).

you'll get problems on stock SMP kernels too, unless you use idle=poll.  
(or notsc) You can get rid of those warnings in the -rt kernel by 
disabling the PARANOID_GENERIC_TIME .config option. In any case, i think 
that warning should be a once-per-bootup.

	Ingo
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