Le samedi 16 janvier 2021 à 12:49 +0100, Marcus MERIGHI a écrit :
> bast...@durel.org (Bastien Durel), 2021.01.14 (Thu) 18:07 (CET):
> > Le jeudi 14 janvier 2021 à 16:59 +0100, Marcus MERIGHI a écrit :
> > > bast...@durel.org (Bastien Durel), 2021.01.14 (Thu) 16:05 (CET):
> > > > Le jeudi 14 janvier 2021 à 15:47 +0100, Marcus MERIGHI a
> > > > écrit :
> > > > > bast...@durel.org (Bastien Durel), 2021.01.14 (Thu) 10:20
> > > > > (CET):
> > > > > > I have a router connected via a serial port to another
> > > > > > machine
> > > > > > (which
> > > > > > is usually powered off), wich fails to boot until I connect
> > > > > > and
> > > > > > validate the boot> prompt
> > > > > >
> > > > > > I configured my boot.conf as it follows :
> > > > > >
> > > > > > # cat
> > > > > > /etc/boot.conf
> > > > > >
> > > > > > set timeout 10
> > > > > > set tty com0
> > > > >
> > > > > I usually have
> > > > >
> > > > > stty com0 115200
> > > > > set tty com0
> > > > > set timeout 2
> > > > >
> > > > > and the machines boot automagically...
> > > > >
> > > > > Marcus
> > > > >
> > > > Actually, it looks like the automagic boot depends on the
> > > > status of
> > > > the
> > > > attached computer : when it runs, the router boots
> > > > automagically,
> > > > and
> > > > when it does not, then the boot waits until I press enter
> > > > (after
> > > > booting it, obviously)
> > >
> > > Ah, I failed on getting what you meant!
> > >
> > > Emitting wild guesses now... As soon as the boot> prompt receives
> > > input,
> > > it cancels the timout counter (and doesn't auto-boot). Could it
> > > be
> > > that
> > > your non-auto-booting machine receives something that looks like
> > > input
> > > to the boot> prompt? Can you test with the serial cable detached?
> > >
> >
> > Done that; that's very strange : the router did not auto-boot, but
> > did
> > as soon as I plugged-in the serial cable in (I left minicom running
> > on
> > the other box) (or maybe after a few seconds, I did not checked in
> > real
> > time)
>
> so you have ruled out the second box, good!
>
> Things I'd try...
>
> - any stray empty lines in /etc/boot.conf?
> I'm not saying these would cause any harm, but I'd try
> - add the speed setting ("stty com0 115200")
> - move "set timeout X" to the end
>
> good luck! and please report back if you solve this puzzle!
>
> Marcus
>
Hello,
I set boot.conf to this :
# cat -e /etc/boot.conf
stty com0 115200$
set tty com0$
set timeout 5$
#
But the router does not boot without beeing connected to a powered-up
machine :(
--
Bastien
