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Date: Sat, 06 Dec 1997 14:54:00 +0000
From: Ruslan Shevchenko <Ruslan@Shevchenko.kiev.ua>
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To: Livio Mazzon <livio@mse.com.au>
CC: questions@freebsd.org
Subject: Re: User PPP wont release the device
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Livio Mazzon wrote:

> I have just upgraded an existing system from FreeBSD 2.1.6 to 2.2.5.  It is
> an ISP server that uses user-ppp to accept dial-ins from attached modems.
>
> Before the upgrade the ppp dial-ins worked fine!
>
> After the upgrade (finally got the machine going)....I now have a problem
> where users can dial in, login and connect, and they properly get a ppp
> session running.
>
> All routing etc is fine
>
> I use a script on connection to run exec /usr/sbin/ppp -direct.
>
> However, when the user hangs up, the modem disconnects, DCD drops, but the
> PPP process stays attached to the port.  The user stays logged onto the
> system even though the physical connection has dropped.  When the next
> person logs in, the modem answers, but they never see the login prompt
> (thats because the getty programme never gets the device, ppp is still
> holding on to it!).  This happens EVERY logon that uses PPP.
>
> I've checked all the config files, they are the same as before... when they
> were working.
>
> And no, I dont think its a cable problem, or modem config problem because if
> the user logs in via a shell, the device is released properly to getty.
>
> This is now becoming critical for us.  Any help would be greatly, greatly
> appreciated.
>

  We have the same problem.
  Our solution is script, which ping  other side with period one minute, and
  if  ping -c 2 ADDR return 1 --- kill process.

> Thanks
>
> Livio