Re: [opensuse] Gnome PPP: Can not open Modem

Carlos E. R. wrote:

The Friday 2008-03-14 at 02:29 +0100, Terje J. Hanssen wrote:

> Running the same command as normal user, results in the same warning output as the Gnome PPP log file above, and no connection.

Ok, do you mean that wvdial works as root, but not as user? Then it is a questions of the permissions on the device file /dev/ttyACM0. Perhaps you will need to make wvdial suid or call it using sudo.


- From my notes, in "/etc/permissions.local" I did:

/usr/bin/wvdial root.dialout 4750

Now I also added that line

I think that was all I needed. No, I added my user to group dialout, too.

My user was already added to the three groups: dialout, video, users

Please copy here the exact error that a wvdial session prints.

Did a reboot, but still this doesn't work running the dialup command as normal user:

~> wvdial --config wvdialice.conf
--> WvDial: Internet dialer version 1.56 (abuild@balli)
--> Cannot open /dev/ttyACM0: Device or resource busy
--> Cannot open /dev/ttyACM0: Device or resource busy
--> Cannot open /dev/ttyACM0: Device or resource busy

I can add that there also may be some bug related to the CDMA USB modem driver, because after disconnecting the modem and system restart, the /dev/ttyACM0 is disappeared and the driver has to be reinstalled (as root) and with output as follows:


RDEVCHG Linux Version : 1.0
Please, Wait!
Bus 001 Device 004: ID 16d8:680a
Success SwitchMode.
*** stack smashing detected ***: ./RDEVCHG terminated

My provider's support has told me that the Gnome PPP launcher does work with this modem on Ubuntu, and this is also my main purpose on openSUSE.


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