Huawei 3g Modem

Mon Jan 28 11:06:49 PST 2008

Quoting David Schulz <mailinglists at tca-cable-connector.com>:
> i have a Huawei EC-325 Modem which is connected to my Computer 
> running  FreeBSD 6.3 with a mini-USB Cable, and supposedly is 
> supported by the  ubsa driver, as described here 
> "http://www.freebsd.org/cgi/man.cgi?query=ubsa&sektion=4&manpath=FreeBSD+6.3-RELEASE 
> ".
>
> I modified my /boot/loader.conf to yield the following:
> ubsa_load="YES"
> ucom_load="YES"
>
> After rebooting, kldstat shows the above modules loaded.
>
> When i re-insert my Huawei Modem, dmesg displays:
> ucom0: Huawei Technologies Huawei Mobile, rev 1.01/0.00, addr 2

So the driver is attaching. That's good.

> My ppp.conf looks like this:
> default:
> set log Phase Chat LCP IPCP CCP tun command
> ident user-ppp VERSION (built COMPILATIONDATE)
>
> set device /dev/cuaU0
> set speed 230400
> set dial "ABORT BUSY ABORT NO\\sCARRIER TIMEOUT 5 \
>         \"\" AT OK-AT-OK AT&FE0V1X1&D2&C1S0=0 OK \\dATDT\\T TIMEOUT  
> 40 CONNECT"
> set timeout 180                        # 3 minute idle timer (the  default)
> enable dns                             # request DNS info (for  resolv.conf)
>
> three:
> 	set phone \#77

Are you sure it's not #777?

> 	set authname card
> 	set authkey card
> 	disable ipv6cp
> 	set ifaddr 10.0.0.1/0 10.0.0.2/0 255.255.255.0 0.0.0.0
> 	add default HISADDR
>
> But when i run ppp -ddial three , ppp.log reports this output:
>
> Jan 28 15:32:57 testbed ppp[824]: Phase: Using interface: tun0
> Jan 28 15:32:57 testbed ppp[824]: Phase: deflink: Created in closed  state
> Jan 28 15:32:57 testbed ppp[824]: tun0: Command: default: ident user- 
> ppp VERSION (built COMPILATIONDATE)
> Jan 28 15:32:57 testbed ppp[824]: tun0: Command: default: set device 
> / dev/cuaU0
> Jan 28 15:32:57 testbed ppp[824]: tun0: Command: default: set speed  230400
> Jan 28 15:32:57 testbed ppp[824]: tun0: Command: default: set dial  
> ABORT BUSY ABORT NO\sCARRIER TIMEOUT 5           "" AT OK-AT-OK  
> AT&FE0V1X1&D2&C1S0=0 OK \dATDT\T TIMEOUT 40 CONNECT
> Jan 28 15:32:57 testbed ppp[824]: tun0: Command: default: set timeout  180
> Jan 28 15:32:57 testbed ppp[824]: tun0: Command: default: enable dns
> Jan 28 15:32:57 testbed ppp[824]: tun0: Command: three: set phone #77
> Jan 28 15:32:57 testbed ppp[824]: tun0: Command: three: set authname  card
> Jan 28 15:32:57 testbed ppp[824]: tun0: Command: three: set authkey  ********
> Jan 28 15:32:57 testbed ppp[824]: tun0: Command: three: disable ipv6cp
> Jan 28 15:32:57 testbed ppp[824]: tun0: Command: three: set ifaddr  
> 10.0.0.1/0 10.0.0.2/0 255.255.255.0 0.0.0.0
> Jan 28 15:32:57 testbed ppp[824]: tun0: Command: three: add default  HISADDR
> Jan 28 15:32:57 testbed ppp[825]: tun0: Phase: PPP Started (ddial mode).
> Jan 28 15:32:57 testbed ppp[825]: tun0: Phase: bundle: Establish
> Jan 28 15:32:57 testbed ppp[825]: tun0: Phase: deflink: closed ->  opening
> Jan 28 15:32:57 testbed ppp[825]: tun0: Phase: deflink: Connected!
> Jan 28 15:32:57 testbed ppp[825]: tun0: Phase: deflink: opening -> dial
> Jan 28 15:32:57 testbed ppp[825]: tun0: Chat: Phone: #77
> Jan 28 15:32:57 testbed ppp[825]: tun0: Chat: Send: AT^M
> Jan 28 15:32:57 testbed ppp[825]: tun0: Chat: Expect(5): OK
> Jan 28 15:32:57 testbed ppp[825]: tun0: Chat: Received: ^M
> Jan 28 15:32:57 testbed ppp[825]: tun0: Chat: Received: OK^M
> Jan 28 15:32:57 testbed ppp[825]: tun0: Chat: Send:  AT&FE0V1X1&D2&C1S0=0^M
> Jan 28 15:32:57 testbed ppp[825]: tun0: Chat: Expect(5): OK
> Jan 28 15:32:57 testbed ppp[825]: tun0: Chat: Received:  
> AT&FE0V1X1&D2&C1S0=0^M^M
> Jan 28 15:32:57 testbed ppp[825]: tun0: Chat: Received: OK^M

This all looks great and indicates that communication with the modem is 
indeed happening.

> Jan 28 15:32:57 testbed ppp[825]: tun0: Chat: Send: ATDT#77^M
> Jan 28 15:32:59 testbed ppp[825]: tun0: Chat: Expect(40): CONNECT
> Jan 28 15:33:12 testbed ppp[825]: tun0: Chat: Received: ^M
> Jan 28 15:33:12 testbed ppp[825]: tun0: Chat: Received: NO CARRIER^M
> Jan 28 15:33:12 testbed ppp[825]: tun0: Warning: Chat script failed
> Jan 28 15:33:12 testbed ppp[825]: tun0: Phase: deflink: dial -> hangup
> Jan 28 15:33:12 testbed ppp[825]: tun0: Warning: deflink: Unable to  
> set physical to speed 0
> Jan 28 15:33:12 testbed ppp[825]: tun0: Phase: deflink: Disconnected!
> Jan 28 15:33:12 testbed ppp[825]: tun0: Warning: deflink: Unable to  
> set physical to speed 0
> Jan 28 15:33:14 testbed ppp[825]: tun0: Phase: deflink: Connect time: 
>  17 secs: 0 octets in, 0 octets out
> Jan 28 15:33:14 testbed ppp[825]: tun0: Phase: deflink: 0 packets in, 
>  0 packets out
> Jan 28 15:33:14 testbed ppp[825]: tun0: Phase:  total 0 bytes/sec,  
> peak 0 bytes/sec on Mon Jan 28 15:32:57 2008
> Jan 28 15:33:14 testbed ppp[825]: tun0: Phase: deflink: hangup ->  opening
> Jan 28 15:33:14 testbed ppp[825]: tun0: Phase: deflink: Enter pause  
> (30) for redialing.

Obviously things start to go south here, but it could just be a matter 
of tuning your ppp setup and verifying all your information. Running 
ppp in the foreground with a manual terminal session is a good place to 
start troubleshooting.

> Additionally, after running ppp -ddial three, dmesg shows a lot of  
> lines like these:
> ucom0: ubsa_request: STALLED
> ucom0: ubsa_request: STALLED
> ....

I've seen these before and in my case (using a different 3g modem) they 
were harmless.

> Can anyone help me to get this to work?
> Thanks and best regards,

Focus your efforts on the ppp documentation and look for working 
examples in the archives. This thread (started by me) is an example, 
and also mentions the STALLED messages:

http://groups.google.com/group/mailing.freebsd.mobile/browse_thread/thread/8f47c04e4d3058ed/65791d94e7a405e4?lnk=st&q=john+nielsen+freebsd+ppp+v620#65791d94e7a405e4

I'm not a ppp guru by any means, so post back to the list the next time 
you get stuck (or if you get it working!) with what you 
changed/tried/learned..

JN