Wait - is this the ElanSC520? If so, 2.4.4 doesn't like it.
Try the 2.2 version.




On Thu, Jan 31, 2002 at 09:09:46PM +0100, Kristoffer Persson wrote:
> On Wed, 30 Jan 2002 [EMAIL PROTECTED] wrote:
> 
> > When you build Linux/RTLinux are you configuring for an AMD, enabling
> > any MTRR ?
> 
> My kernel and RTLinux modules were built for i486, because that's what an
> AMD 5x86 essentially is. CONFIG_MTRR is not set. I also tried to rebuild
> the whole kernel and all RTLinux modules for 5x86, which I believe refers
> to other CPUs called 5x86 that are more Pentium-like. This time I built
> everything with gcc-2.95.3. The problem is still there, though.
> 
> > Is this a patched kernel from RTLinux.org?
> > Does it have any other patches in it?
> 
> It is a standard 2.4.4 kernel from kernel.org with only the RTLinux 3.1
> patch on it.
> 
> > > > > RTLinux 3.1, Linux 2.4.4, CPU AMD 5x86, gcc 2.96 (from RedHat 7.2).
> > >
> > > I have now tried using nanosleep() and clock_nanosleep() but the result is
> > > the same. But when I set the timer in periodic mode my thread ran for over
> > > twelve hours before I interrupted it so it seems as if rtl_time sometimes
> > > fails to re-program the timer chip.
> > >
> > > Some more observations:
> > >
> > > When my task is frozen, everything else timer related is frozen too.
> > > 'date' returns the time when the task froze, 'sleep 1' blocks forever.
> > >
> > > If I leave the stopped task in memory and don't touch the system it will
> > > start again after some time, typically it seems to take about 30 min.
> 
> Another observation: When the task freezes and is left alone, it wakes up
> automatically after 30min +/- one or two seconds. Since 30 min = 2^31
> ticks of the 8253 timer, this tells me that the timer accidentally gets
> programmed with the msb set or something similar. Is that at all possible?
> 
> Thanks again.
> 
> Kris
> 
> 
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-- 
---------------------------------------------------------
Victor Yodaiken 
Finite State Machine Labs: The RTLinux Company.
 www.fsmlabs.com  www.rtlinux.com

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