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Date:      Sun, 12 Dec 2004 00:31:15 +0100
From:      Arjan Van Leeuwen <avleeuwen@gmail.com>
To:        Doug White <dwhite@gumbysoft.com>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: Timecounter problems on 5.3 - things take twice as long
Message-ID:  <d86b48730412111531629ed770@mail.gmail.com>
In-Reply-To: <20041207125605.N30769@carver.gumbysoft.com>
References:  <d86b4873041202105422e501a2@mail.gmail.com> <20041204161351.F434@carver.gumbysoft.com> <d86b487304120604542b89f02b@mail.gmail.com> <20041206185901.W23442@carver.gumbysoft.com> <d86b487304120706252944058c@mail.gmail.com> <20041207105412.I30209@carver.gumbysoft.com> <d86b4873041207122519eb32f1@mail.gmail.com> <20041207125605.N30769@carver.gumbysoft.com>

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Hey Doug,

On Tue, 7 Dec 2004 12:57:01 -0800 (PST), Doug White
<dwhite@gumbysoft.com> wrote:
> On Tue, 7 Dec 2004, Arjan Van Leeuwen wrote:
> 
> > > > In other words, exactly the same thing. I should also note that
> > > > earlier versions of 5-CURRENT worked correctly (-CURRENT from june 7).
> > > > Is there anything else I could try?
> > >
> > > Replace the motherboard?  :) The i8254 hasn't changed in years, so I doubt
> > > we're programming it wrong.  Something along the way is applying a /2
> > > divisor.  Maybe its been broken forever and you only recnetly noticed due
> > > to the HZ change?
> >
> > Heh :).
> >
> > No, this is on 5.3-RELEASE and I've been running with HZ=1000 for a
> > long time, because I use DUMMYNET.
> 
> Good to know. Can you try booting an old kernel, or booting 5.2.1-R and
> see if it shows up there too?  If it works with 5.2.1, then I'd start
> playing the binary-search game to find the commit(s) that broke you.

Sorry for the late reply, I needed some time to try out older kernels.

Looks like it's a hardware fault. Kernels that worked correctly in the
past have the same problems if I boot them now. It probably had
nothing to do with me upgrading to 5.3-RELEASE at all.

Thanks for the help,

Arjan


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