Problems with pppoed !

[Ovidiu Ene]

Hello guys

I have problems with pppoed. I've used to run over almost 100 users, it 
worked fine for 4 months, now is not working, it seems it forks many 
many processes and no one is able to connect.

cut /var/log/messages

this is the error i get

Aug 18 22:59:34 server kernel: failed in ng_con_part2(B)failed in 
ng_con_part2(B)
Aug 18 22:59:34 server kernel: failed in ng_con_part2(B)
Aug 18 22:59:34 server kernel: failed in ng_con_part2(B)failed in 
ng_con_part2(B)
Aug 18 22:59:34 server kernel: failed in ng_con_part2(B)
Aug 18 22:59:35 server last message repeated 208 times
Aug 18 22:59:35 server kernel: failed in ng_con_part2(B)failed in 
ng_con_part2(B)
Aug 18 22:59:35 server kernel: failed in ng_con_part2(B)failed in 
ng_con_part2(B)failed in ng_con_part2(B)failed in ng_con_part2(B)failed 
in ng_con_part2(B)failed in ng_con_part2(B)failed in 
ng_con_part2(B)failed in ng_con_part2(B)failed in ng_con_part2(B)failed 
in ng_con_part2(B)
Aug 18 22:59:35 server kernel: failed in ng_con_part2(B)
Aug 18 22:59:35 server kernel: failed in ng_con_part2(B)failed in 
ng_con_part2(B)
Aug 18 22:59:35 server kernel: failed in ng_con_part2(B)

what should i do?