Re: 2.6.14-rt1

[Fernando Lopez-Lezcano <nando@ccrma.Stanford.EDU>]

On Tue, 2005-11-01 at 12:18 -0800, Fernando Lopez-Lezcano wrote:
> On Sun, 2005-10-30 at 14:33 +0100, Ingo Molnar wrote: 
> > i have released the 2.6.14-rt1 tree, which can be downloaded from the 
> > usual place:
> > 
> >    http://redhat.com/~mingo/realtime-preempt/
> > 
> > this release is mainly about ktimer fixes: it updates to the latest 
> > ktimer tree from Thomas Gleixner (which includes John Stultz's latest 
> > GTOD tree), it fixes TSC synchronization problems on HT systems, and 
> > updates the ktimers debugging code.
> > 
> > These together could fix most of the timer warnings and annoyances 
> > reported for 2.6.14-rc5-rt kernels. In particular the new 
> > TSC-synchronization code could fix SMP systems: the upstream TSC 
> > synchronization method is fine for 1 usec resolution, but it was not 
> > good enough for 1 nsec resolution and likely caused the SMP bugs 
> > reported by Fernando Lopez-Lezcano and Rui Nuno Capela.
> > 
> > Please re-report any bugs that remain.
> 
> 2.6.14-rt2 seems to be running fine on my athlon x2 smp system. Apart
> from some time warp messages when starting up it looks fine so far (this
> is on fc4). 

Actually, after enough time logged in (or maybe just with the kernel
running without a reboot) I still get the usual Jack warnings:

delay of 5469.000 usecs exceeds estimated spare time of 2641.000;
restart ...

-- Fernando


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