network-manager does not recognize my ADSL connection

["Jorge Peixoto de Morais Neto" <please no spam here gmail com>]

Hi. I use Ubuntu 7.10, recently installed and currently up-to-date. My internet connection is through ADSL. The modem is a Speed Touch USB. Network-manager does not recognize my connection. It says "Nenhuma conexão de rede", which in Portuguese means "No network connection". 

Some more information

jorge Orlando:~$ sudo cat /etc/ppp/peers/brturbo
noipdefault
defaultroute
user 'EDITEDFORPRIVACY'
noauth
updetach
usepeerdns
plugin rp-pppoe.so
nas0


jorge Orlando:~$ sudo cat /etc/ppp/pap-secrets 
"EDITEDFORPRIVACY" * "EDITEDFORPRIVACY"

jorge Orlando:~$ cat /etc/init.d/dial
#!/bin/bash
modprobe ppp_generic
modprobe pppoatm
modprobe br2684
count=0
while [ $count -lt 40 ]
do
  sync=$(dmesg | grep 'ADSL line is up')
  if [ ! -z "$sync" ]
  then
    br2684ctl -b -c 0 -a 0.35
    sleep 3
    ifconfig nas0 

192.168.0.1 netmask 255.255.255.0 up
    sleep 10
    pppd call brturbo
    exit 0
  fi
  sleep 1
  count=$((1+$count))
done
echo "The Speedtouch firmware didn't load"


When connected, ifconfig outputs

jorge Orlando:~$ ifconfig
lo         Encapsulamento do Link: Loopback Local  
          inet end.: 127.0.0.1  Masc:

255.0.0.0
          endereço inet6: ::1/128 Escopo:Máquina
          UP LOOPBACK RUNNING  MTU:16436  Métrica:1
          pacotes RX:24 erros:0 descartados:0 excesso:0 quadro:0
          Pacotes TX:24 erros:0 descartados:0 excesso:0 portadora:0
          colisões:0 txqueuelen:0 
          RX bytes:1684 (1.6 KB) TX bytes:1684 (1.6 KB)

nas0       Encapsulamento do Link: Ethernet  Endereço de HW 00:90:D0:25:F3:93  
          inet end.: 

192.168.0.1  Bcast:192.168.0.255  Masc:255.255.255.0
          endereço inet6: fe80::290:d0ff:fe25:f393/64 Escopo:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Métrica:1
          pacotes RX:14676 erros:0 descartados:1 excesso:0 quadro:0
          Pacotes TX:12362 erros:0 descartados:0 excesso:0 portadora:0
          colisões:0 txqueuelen:1000 
          RX bytes:15717346 (14.9

 MB) TX bytes:2464833 (2.3 MB)

ppp0       Encapsulamento do Link: Protocolo Ponto-a-Ponto  
          inet end.: 201.2.55.97  P-a-P:
201.10.171.254
  Masc:255.255.255.255
          UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1492  Métrica:1
          pacotes RX:14376 erros:0 descartados:0 excesso:0 quadro:0
          Pacotes TX:12040 erros:0 descartados:0 excesso:0 portadora:0
          colisões:0 txqueuelen:3 
          RX bytes:15588470 (14.8 MB) TX bytes:2063541 (1.9 MB)

jorge Orlando:~$ uname -a
Linux Orlando 2.6.22-14-generic #1 SMP Tue Dec 18 08:02:57 UTC 2007 i686 GNU/Linux

jorge Orlando:~$ cat /proc/cpuinfo
processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 6
model           : 8
model name      : AMD Sempron(TM) 2400+
stepping        : 1
cpu MHz         : 
1666.560
cache size      : 256 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse syscall mp mmxext 3dnowext 3dnow up ts
bogomips        : 3336.14
clflush size    : 32

jorge Orlando:~$ lspci
00:00.0 Host bridge: VIA Technologies, Inc. VT8377 [KT400/KT600 AGP] Host Bridge
00:01.0 PCI bridge: VIA Technologies, Inc. VT8235 PCI Bridge
00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
 Controller (rev 80)
00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80)
00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controller (rev 80)
00:10.3 USB Controller: VIA Technologies, Inc. USB 
2.0 (rev 82)
00:11.0 ISA bridge: VIA Technologies, Inc. VT8235 ISA Bridge
00:11.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 AC97 Audio Controller (rev 50)
01:00.0 VGA compatible controller: nVidia Corporation NV5M64 [RIVA TNT2 Model 64/Model 64 Pro] (rev 15)

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