[pptp-server] pptpd still not handling dropped connections properly?

[Bitt Faulk]

None of the following connections are actually up, but the pppds are still
running, and the interfaces that are associated with them are still up as
well.  Is there any way I can help debug this?

sprawl% ps ax | grep -i pp
 6284 ?        S      0:00 PPTP Manager                                         
 6439 ?        S      0:00 PPTP GRE 14 12 13
 6440 ttya0    S      0:00 /usr/sbin/pppd /dev/ttya0 local 115200
172.17.0.1:172
 7222 ?        S      0:00 PPTP GRE 20 18 19
 7223 ttya2    S      0:00 /usr/sbin/pppd /dev/ttya2 local 115200
172.17.0.2:172
 7262 ?        S      0:00 PPTP GRE 21 19 20
 7263 ttya1    S      0:00 /usr/sbin/pppd /dev/ttya1 local 115200
172.17.0.1:172
 7445 ?        S      0:00 PPTP GRE 23 21 22
 7446 ttya3    S      0:00 /usr/sbin/pppd /dev/ttya3 local 115200
172.17.0.2:172
 8758 ?        S      0:00 PPTP GRE 32 30 31
 8759 ttya4    S      0:00 /usr/sbin/pppd /dev/ttya4 local 115200
172.17.0.2:172
 8772 ?        S      0:00 PPTP GRE 34 32 33
 8773 ttya5    S      0:00 /usr/sbin/pppd /dev/ttya5 local 115200
172.17.0.3:172
 8793 ?        S      0:00 PPTP GRE 36 34 35
 8794 ttya6    S      0:00 /usr/sbin/pppd /dev/ttya6 local 115200
172.17.0.4:172
 8840 ?        S      0:00 PPTP CTRL Connection                                 
 8843 ?        S      0:00 PPTP GRE 36 34 35
 8844 ttya7    S      0:00 /usr/sbin/pppd /dev/ttya7 local 115200
172.17.0.2:172
 8903 ?        S      0:00 PPTP GRE 41 39 40
 8904 ttya8    S      0:00 /usr/sbin/pppd /dev/ttya8 local 115200
172.17.0.3:172

-Bitt