Re: 2.6.18-rc4-mm1 - time moving at 3x speed!

[Helge Hafting <helge.hafting@aitel.hist.no>]

Andi Kleen wrote:
> On Friday 18 August 2006 01:15, john stultz wrote:
>   
> > On Fri, 2006-08-18 at 00:44 +0200, Helge Hafting wrote:
> >     
> > > I got 2.6.18-rc4-mm1 going, and it appears that system
> > > moves at about 3x normal speed.  A software clock need 3
> > > seconds to advance 10 seconds, for example.
> > >
> > > Everything else seems faster too, the keyboard autorepeat,
> > > delay loops in games, and so on.
> > >
> > > Guess I could live with this, if it'd also compile
> > > 3x faster. :-/
> > >
> > > This is a x86-64 kernel, with the jiffies hotfix applied.
> > >       
> > Sounds like the same issue Gregorie Favre is dealing with.
> >
> > Please send full dmesg output.
> >
> > Does 2.6.18-rc4, or 2.6.18-rc3-mm2 have this issue
> >     
>
> FWIW i looked through the x86-64 patch changes between
> rc3-mm2 and rc4-mm1 and I can't find anything that would be remotely
> related to the timer.
>
> If it's confirmed to have regressed in this time it would require a binary 
> search to track down I think.
>   
I have narrowed it down.  2.6.18-rc4 does not have the 3x time
problem,  while mm1 have it.  mm1 without the hotfix jiffies
patch is just as bad.

Helge Hafting
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