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Subject: Re: 2.6.21-rt2..8 troubles
From: Thomas Gleixner <tglx@linutronix.de>
To: Rui Nuno Capela <rncbc@rncbc.org>
Cc: Ingo Molnar <mingo@elte.hu>, linux-kernel@vger.kernel.org,
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Date: Fri, 08 Jun 2007 20:50:36 +0200
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On Fri, 2007-06-08 at 19:21 +0100, Rui Nuno Capela wrote:
> >> There's no way around. On one box it works flawlessly (desktop,
> >> P4@3.3Ghz) while on the patient one (laptop, core2 T7200) it bricks
> >> silently.
> >
> > Sorry for responding late. To have some idea where the breakage comes
> > from, can you please try
> >
> > http://www.tglx.de/projects/hrtimers/2.6.22-rc4/patch-2.6.22-rc4-hrt5.pat
> > ch
> >
> > whether it has the same behaviour.
> >
> 
> Just built from linux-2.6.22-rc4.tar.bz2, with patch-2.6.22-rc4-hrt5.
> All's working apparentely nice on this offending machine (laptop, intel
> core2 T7200). In fact, I'm writing this very reply under it and through
> ipw3945 wifi module--which never was so pragmatic on -rt2..9 ;)
> 
> Nevertheless, this is not preempt-realtime (-rt) is it? And I it never
> complained about vanilla.
> 
> Is this good news though?

Well, the patch carries the same high resolution timer fixes as -rt, so
I just wanted to exclude those. Thanks for testing.

I'm spinning -rt10 with a couple of fixes. Should be out sometimes
tomorrow. If the problem persists, we need to dig deeper.

Thanks,

	tglx