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Subject: bin/14170: ppp(8) no more detects carrier lost
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>Number:         14170
>Category:       bin
>Synopsis:       ppp(8) no more detects carrier lost
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Oct  6 14:40:01 PDT 1999
>Closed-Date:
>Last-Modified:
>Originator:     Ruslan Ermilov
>Release:        FreeBSD 3.3-STABLE i386
>Organization:
United Commercial Bank
>Environment:

Latest RELENG_3 ppp sources
-- or --
Latest HEAD ppp sources compiled with -DNOKLDLOAD -DNOI4B

>Description:

When either remote or local end drops a connection ungracefully,
e.g. by simply turning off the modem, ppp(8) does not detect the
carrier lost and continues occupy the link.  Consequences are
obvious.  No further logins could be made on this link, since
getty will not get control over this line.

>How-To-Repeat:

1. Make sure you have `set timeout 0'.
2. Run ppp(8) in -direct mode with modem device.
3. Turn off the modem (either on local or remote side).
4. See ppp(8) will live forever.

>Fix:
	
Reverting to 3.2-RELEASE's sources does the trick.

>Release-Note:
>Audit-Trail:
>Unformatted:


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