Arch Linux

testdude281

Member

From: Vizag, India

Registered: 2011-03-04

Posts: 75

Wvdial problems

Hi,

    i have recently installed archlinux on my system and i am facing a problem with my Huawei EC1260 wireless modem that i do not face in windows. Everytime i start my connection, i notice that wvdial shows line after line of garbage values (sometimes for 3-4 min at which point i remove the modem) before finally starting pppd and connecting. This is the wvdial log of a successfull attempt :

[dilip@Zeus ~]$ sudo wvdial
Password: 
--> WvDial: Internet dialer version 1.61
--> Initializing modem.
--> Sending: ATZ
ATZ
OK
--> Sending: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
OK
--> Sending: AT+CRM =1
AT+CRM =1
OK
--> Modem initialized.
--> Sending: ATDT#777
--> Waiting for carrier.
ATDT#777
CONNECT
--> Carrier detected.  Waiting for prompt.
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^RSSILVL: 80
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^DSDORMANT:1
--> Don't know what to do!  Starting pppd and hoping for the best.
--> Starting pppd at Tue Jun 12 01:37:15 2012
--> Pid of pppd: 2924
--> Using interface ppp0
--> pppd: [08][08][08][08]
--> pppd: [08][08][08][08]
--> pppd: [08][08][08][08]
--> pppd: [08][08][08][08]
--> pppd: [08][08][08][08]
--> local  IP address 14.96.155.0
--> pppd: [08][08][08][08]
--> remote IP address 172.23.130.4
--> pppd: [08][08][08][08]
--> primary   DNS address 121.242.190.210
--> pppd: [08][08][08][08]
--> secondary DNS address 4.2.2.3
--> pppd: [08][08][08][08]
--> pppd: [08][08][08][08]
--> Connect time 12.3 minutes.
--> pppd: [08][08][08][08]
--> pppd: [08][08][08][08]
--> pppd: [08][08][08][08]
--> Disconnecting at Tue Jun 12 01:49:34 2012
--> The PPP daemon has died: A modem hung up the phone (exit code = 16)
--> man pppd explains pppd error codes in more detail.
--> Try again and look into /var/log/messages and the wvdial and pppd man pages for more information.
--> Auto Reconnect will be attempted in 5 seconds
--> Cannot open /dev/ttyUSB0: No such file or directory
--> Cannot open /dev/ttyUSB0: No such file or directory
--> Cannot open /dev/ttyUSB0: No such file or directory
--> Disconnecting at Tue Jun 12 01:49:35 2012
[dilip@Zeus ~]$ 

Almost always, the modem starts to heat up and after 15-20 min crashes (or once in a while goes on for hours though with no problem but thats rare). I have to remove it and let it cool off before starting the connection again. i thought it was a hardware problem (maybe signal loss), but the same modem connects instantly, works fine in windows for hours and the dialer shows a full signal. i have checked this more than once.

On another note, i had installed archlinux on the day the world transitioned from ipv4 to ipv6.
So is it possible that the isp-supplied windows dialer could handle the transition but not wvdial?

Has anyone experienced similar problems with their modems, even if not recently? Also, is it possible to use pppd with an internet modem ?

olive

Member

From: Belgium

Registered: 2008-06-22

Posts: 1,490

Re: Wvdial problems

I would try to add

Stupid mode = 1

in /etc/wvdial.conf, so that wvdial launch pppd immediatly. But the fact that pppd is not stable might indicate a hardware (or driver) problem.

testdude281

Member

From: Vizag, India

Registered: 2011-03-04

Posts: 75

Re: Wvdial problems

Stupid mode is already enabled in wvdial.conf. hardware should fail in windows too. i dont think its a driver problem coz lsusb identifies it correctly but i will check anyway.

Thanks anyway.

fdservices

Member

From: France

Registered: 2012-02-06

Posts: 413

Re: Wvdial problems

I finally got my Huawei  modem working (different model) using sakis3g (it is in AUR).

Useful links:
https://wiki.archlinux.org/index.php/Huawei_E173s
https://wiki.archlinux.org/index.php/Huawei_E220
https://wiki.archlinux.org/index.php/Hu … 0_3G_modem

Andrew