Re: SS20 serial port woes
Andrew Sharp <andy@netfall.com> writes:
> Philippe Troin wrote:
> >
> > Marco Gaiarin <gaio@sv.lnf.it> writes:
> >
> > > Mandi! Philippe Troin
> > > In chel di` si favelave...
> > >
> > > > 1. When the machine is at runlevel 2, I can start minicom, login via
> > > > the serial console. If I close minicom without logging off, my
> > > > session stays pending there, waiting for the next person to run
> > > > minicom.
> > >
> > > Sorry, i've no answer to this...
> > >
> > >
> > > > 2. Sometimes, the machine will go back to the OpenPROM prompt
> > > > without any reasonable cause. This happens whether or nor minicom
> > > > is attached to the serial console... If minicom is attached, I
> > > > can see the following output:
> > >
> > > ...but for this... i've a PC attached via serial line to a SS10, and
> > > also my SS10 hangs (i found now and then the ``ok'' prom prompt).
> > > Simply i've noticed that halt/boot my PC with serial connected send in
> > > some way a BREAK signal to serial line, and BREAK in serial console
> > > language are interpreted as Stop-A.
> > >
> > > Now i live with serial cable disconnected, i plug these only if needed
> > > and my SS10 have month of uptime... ;)))
> >
> > Yes, but the problem happens even when the computer acting as the
> > console stays up all the time, with a minicom attached to the serial
> > port...
>
> Bad cable.
The same machine when running Solaris 2.8 does not exhibit the problem...
> The machine that stays on all the time, does it ever go to sleep?
No, it's an SMP machine with power management disabled...
Phil.
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