kern/134557: 7.2 with mpd5.3 hanging up - ng_pptp problem

Sergei Cherveni sergei.cherveni at
Fri May 15 09:20:02 UTC 2009

>Number:         134557
>Category:       kern
>Synopsis:       7.2 with mpd5.3 hanging up - ng_pptp problem
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri May 15 09:20:01 UTC 2009
>Originator:     Sergei Cherveni
>Release:        7.2-Stable
FreeBSD srv-gw1 7.2-STABLE FreeBSD 7.2-STABLE #0: Thu May 14 19:34:50 EEST 2009     root at srv-gw1:/usr/obj/usr/src/sys/GENERIC  i386

OS hangs out with a seconds after first pptp-client has connected to server. It's a gateway with net/mpd5.3 configured as pppoe-client and PPTP-server for VPN-clients.
If there is just pppoe-connection then the system does not hang.
Compiling custom kernel with NETGRAPH-options changes nothing.
Freebsd-7.2R has the same issue.
Freebsd-7.0R does not have the problem.

Install net/mpd5.3, configure mpd.conf as pppoe-client and pptp-server.
Connect the server to network via pppoe. Connect pptp-client to server via pppoe-link. Send some traffic to server.



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