Public bug reported:

Binary package hint: network-manager

I am using a mobile broadband modem (Epi Valley SXC 1080: 
http://eng.sungiltel.com/products/sxc-1080.html) provided to me by my ISP: Tata 
Indicom (PlugToSurf). There is a connection profile for this ISP already 
available in
the nm-applet (0.7) setup wizard.

But the Network manager daemon fails to retrieve data from the USB CDMA Modem
provided to me with the following output.

In the kernel log I am getting the following entries:
Dec  4 16:37:10 xendor kernel: [  139.164057] usb 3-2: new full speed USB 
device using uhci_hcd and address 2
Dec  4 16:37:10 xendor kernel: [  139.284053] usb 3-2: device descriptor 
read/64, error -71
Dec  4 16:37:10 xendor kernel: [  139.508054] usb 3-2: device descriptor 
read/64, error -71
Dec  4 16:37:10 xendor kernel: [  139.724061] usb 3-2: new full speed USB 
device using uhci_hcd and address 3
Dec  4 16:37:10 xendor kernel: [  139.844056] usb 3-2: device descriptor 
read/64, error -71
Dec  4 16:37:11 xendor kernel: [  140.068055] usb 3-2: device descriptor 
read/64, error -71
Dec  4 16:37:11 xendor kernel: [  140.284055] usb 3-2: new full speed USB 
device using uhci_hcd and address 4
Dec  4 16:37:11 xendor kernel: [  140.700056] usb 3-2: device not accepting 
address 4, error -71
Dec  4 16:37:11 xendor kernel: [  140.756085] hub 3-0:1.0: unable to enumerate 
USB device on port 2
Dec  4 16:37:12 xendor kernel: [  141.256058] usb 3-2: new full speed USB 
device using uhci_hcd and address 6
Dec  4 16:37:12 xendor kernel: [  141.489077] usb 3-2: configuration #1 chosen 
from 1 choice
Dec  4 16:37:13 xendor kernel: [  142.076899] cdc_acm 3-2:1.0: ttyACM0: USB ACM 
device
Dec  4 16:37:13 xendor kernel: [  142.080343] usbcore: registered new interface 
driver cdc_acm
Dec  4 16:37:13 xendor kernel: [  142.082790] cdc_acm: v0.26:USB Abstract 
Control Model driver for USB modems and ISDN adapters

And the Daemon Log lists the following entry
Dec  4 16:37:13 xendor NetworkManager: <debug> [1228388833.425166] 
probe_modem(): Couldn't get caps 

I think it is because the modem device I am using is not providing a
well formed reply. In such cases which do happen the nm-applet should
allow the user a manual override to do connection setup of device
manually through PPP. I believe in the 0.7 the ability to do this
manually has been removed.

Programs like WVDial meanwhile works perfectly with the device but 
unfortunately doesnot integrate with network  manager. If the trend is to make 
NetworkManager the defacto network setup and management tool, it is mandatory
that the program handle dialup modems perfectly.

** Affects: network-manager (Ubuntu)
     Importance: Undecided
         Status: New

-- 
Epi Valley SXC 1080 USB CDMA modem not being detected on Ubuntu 8.10 desktop 
edition 
https://bugs.launchpad.net/bugs/305395
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