Mohan, Seems like a poor line quality problem.Not a driver problem per se.Go through the points of the PostInstall Howto athttp://132.68.73.235/linmodems/index.htmlWithin /etc/ppp/options decreasing the MTU size may helpAlso try dropping from MS=90 to MS=34 withInit2 = ATQ0 V1 E1 S0=0 &C1 &D2 +MS=34 MarvS On 6/10/07, Mohan Sai <k_mohansai@xxxxxxx> wrote:> Hi Marvs:>> I had seen this suggestion of yours in response to someone's similar> problem earlier & already followed those instrutions. My username and> password were written nicely to /etc/ppp/pap-secrets & chap-secrets> files.The problem is recurring despite having a proper username and> passwrod in the above two files.>> I am sometimes able to connect but with an unstable connection. At few> other times, it doesn't even log me in quoting error 16 (a modem has> hung up). I would like to know how to prevent the modem from hanging by> itself thereby destabilizing the connection as it happened below.>> thanks,> Mohan Sai>>> On Sat, 2007-06-09 at 22:25 -0400, Marvin Stodolsky wrote:> > Mohan> >> > See> > In case of a message like:> > Warning: Could not modify /etc/ppp/pap-secrets: Permission denied> > see http://linmodems.technion.ac.il/bigarch/archive-sixth/msg04656.html> >> > MarvS> >> > On 6/9/07, Mohan Sai <k_mohansai@xxxxxxx> wrote:> > > Hello!!> > > Can somebody help me solve the below problem wherein I get disconnected> > > time and again while trying to connect. Any help will be appreciated.> > > regards,> > > Mohan Sai> > >> > >> > > mohansai@aumsairam:~$ wvdial --> WvDial: Internet dialer version 1.55> > > --> Cannot get information for serial port.> > > --> Initializing modem.> > > --> Sending: ATZ> > > ATZ> > > OK> > > --> Sending: ATQ0 V1 E1 S0=0 &C1 &D2 +MS=90> > > ATQ0 V1 E1 S0=0 &C1 &D2 +MS=90> > > OK> > > --> Sending: ATM1> > > ATM1> > > OK> > > --> Modem initialized.> > > --> Sending: ATDT172233> > > --> Waiting for carrier.> > > ATDT172233> > > CONNECT 50667> > > --> Carrier detected. Starting PPP immediately.> > > --> Starting pppd at Sun Jun 10 07:16:49 2007> > > --> Warning: Could not modify /etc/ppp/pap-secrets: Permission denied> > > --> --> PAP (Password Authentication Protocol) may be flaky.> > > --> Warning: Could not modify /etc/ppp/chap-secrets: Permission denied> > > --> --> CHAP (Challenge Handshake) may be flaky.> > > --> Pid of pppd: 6160> > > --> pppd: �[7f]��@�[05][08]��[05][08]> > > --> Using interface ppp0> > > --> pppd: �[7f]��@�[05][08]��[05][08]> > > --> pppd: �[7f]��@�[05][08]��[05][08]> > > --> pppd: �[7f]��@�[05][08]��[05][08]> > > --> pppd: �[7f]��@�[05][08]��[05][08]> > > --> pppd: �[7f]��@�[05][08]��[05][08]> > > --> pppd: �[7f]��@�[05][08]��[05][08]> > > --> pppd: �[7f]��@�[05][08]��[05][08]> > > --> pppd: �[7f]��@�[05][08]��[05][08]> > > --> pppd: �[7f]��@�[05][08]��[05][08]> > > --> pppd: �[7f]��@�[05][08]��[05][08]> > > --> pppd: �[7f]��@�[05][08]��[05][08]> > > --> pppd: �[7f]��@�[05][08]��[05][08]> > > --> pppd: �[7f]��@�[05][08]��[05][08]> > > --> pppd: �[7f]��@�[05][08]��[05][08]> > > --> pppd: �[7f]��@�[05][08]��[05][08]> > > --> pppd: �[7f]��@�[05][08]��[05][08]> > > --> pppd: �[7f]��@�[05][08]��[05][08]> > > --> pppd: �[7f]��@�[05][08]��[05][08]> > > --> pppd: �[7f]��@�[05][08]��[05][08]> > > --> Disconnecting at Sun Jun 10 07:17:20 2007> > > --> 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.> > >> > >> > >>>
