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Date: Fri, 14 Nov 2003 12:53:59 +0700
From: Eugene Grosbein <eugen@kuzbass.ru>
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To: Bruce Evans <bde@zeta.org.au>
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Subject: Re: bin/54141: wrong behavour of cu(1)
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Bruce Evans wrote:
> 
> On Thu, 13 Nov 2003, Eugene Grosbein wrote:
> 
> >  There is a strange workaroung for this problem: start "cu -l cuaa0"
> >  then switch to another terminal, do "stty -crtscts </dev/cuaa0"
> >  and cu starts to work as expected (for this run only).
> 
> Is this with the old cu (from Taylor uucp) or the current cu (which
> is tip warmed over)?  

I do not know, really. I just use stock cu(1) that is installed
by make installworld. I just observe broken POLA in recent FreeBSD versions.

> >  It seems that cu(1) does not respect prior command
> >  "stty -crtscts </dev/cuaia0" anymore. Or it might be a kernel bug
> >  as preliminary "stty -crtscts </dev/cuala0" does not help too.
> 
> To lock a flag off, it must be turned off in the initial state port
> (before the port is opened) and locked off by turning it (strictly,
> its lock bit) _on_ in the lock state port.

I try to run stty on cuaia0 and cuala1 before the start of cu.
It does not help.

Eugene Grosbein