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Old 04-23-2011, 04:36 AM   #1
jothan sans cheer
LQ Newbie
 
Registered: Nov 2010
Location: austria
Distribution: Debian Wheezy
Posts: 11

Rep: Reputation: 1
3G modem unstable after upgrade to wheezy


Hello there!

I recently upgraded from Debian Lenny to wheezy (testing). I use a popular 3G modem, the Huawei E220. In Lenny everything worked fine. I use wvdial to connect and the script from lenny, which worked just fine.

Unstable behaviour goes like this:
I connect, pppd starts, then, either immediately or after a few seconds, the modem hangs up (pppd errorcode 16). Upon retry a SIM Error is being thrown or the /dev/ttyUSB0 node vanishes. Un/Re-plugging the modem and dialing again results in a working connection (mostly).

Has anyone experienced similar behaviour and found a solution or specific problem? Is there any possibility finding out why the modem hangs up (because a web research revealed that there are a million possibilities for this behaviour)?

Thanks,
jothan.
 
Old 04-24-2011, 12:57 PM   #2
jamescondron
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Registered: Jul 2007
Location: Scunthorpe, UK
Distribution: Ubuntu 8.10; Gentoo; Debian Lenny
Posts: 961

Rep: Reputation: 69
Hi there,

You might be better off asking this in debian-kernel@lists.debian.org mail list and reporting back- this can only be a kernel issue if it worked before and didn't after the upgrade
 
  


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