Comment 9 for bug 469881

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Steffen H. (shulegaa) wrote :

     I've posted quite a number of tips that might help with this over at https://bugs.launchpad.net/ubuntu/+source/modemmanager/+bug/482971. I've managed to get pppd going (and confirmed operation via ping via both DNS and direct IP addresses) ... but for me, I'm still watching my pppd fight with my ISP over what should be a static IP address. My set up only works with Ubuntu 9.10 via a dynamic (pppd negotiated) IP address (... and that won't do for me). To recap:

     1. modem-manager package must be completely removed (and system rebooted). Modem manager squats on devices that it fails to recognize on ADSL modems (e.g. regular USB Modems).
     2. Neither GNOME-PPP nor wvdial will work (but 'pon' and 'poff' and direct 'pppd' invocations *do* work). With gnome-ppp and/or wvdial, I get errors about 'Serial Link is not 8 bit clean' (see http://ppp.samba.org/ppp/FAQ.html).
     3. /usr/sbin/pppd is group 'dip' ... so be sure to make your user account a member of group 'dip'
     4. Make sure that neither gnome-ppp/wvdial nor network manager have put something like auto ppp0 into /etc/network/interfaces file. If so, comment that out (by hand).
     5. Make /etc/ppp/pap-secrets and /etc/ppp/chap-secrets at least readable by group 'dip'
     6. If using the excellent 'wvdialconf' command, grab the local .wvdial.conf file and hand integrated it into /etc/wvdial.conf. For the most part, one can just overwrite the /etc/wvdial.conf file that comes with Ubuntu 9.10 (by default).

Good luck, Steffen.