56 k modem

chris chevhq at gmail.com
Tue Aug 17 06:52:57 UTC 2010


On Tue, 2010-08-17 at 15:40 +1000, Basil Chupin wrote:
> On 17/08/2010 11:35, chris wrote:
> > On Tue, 2010-08-17 at 02:21 +0100, ms wrote:
> >    
> >> On 17/08/10 01:47, chris wrote:
> >>      
> >>> Hi Using 10.04, I run a 56k external modem on my laptop.  This is
> >>> running through a usb to serial cable. Using gnome ppp front end for
> >>> wvdial
> >>> Up to know, and since 6.04, this has never given a problem.
> >>> since the last kernal update, it is now dropping the connection, and I
> >>> have to reboot for the system to find the modem.
> >>>
> >>> How can I restart the connection with out re-booting
> >>>
> >>>        
> >> Hmm, for a start, try:
> >>
> >> sudo /etc/init.d/network-manager restart
> >>
> >> and see if it comes back.
> >>
> >> Also, check if the logs (/var/log/messages) say anything odd regarding
> >> your modem and report.
> >>
> >> cheers,
> >> m.
> >>
> >>      
> > Hi again,
> > Here is the log of this mornings drop out
> >
> > Aug 17 08:17:58 lucy pppd[1647]: Using interface ppp0
> > Aug 17 08:17:58 lucy pppd[1647]: Connect: ppp0<-->  /dev/ttyUSB0
> > Aug 17 08:18:02 lucy kernel: [   62.078628] PPP BSD Compression module
> > registered
> > Aug 17 08:18:02 lucy kernel: [   62.086497] PPP Deflate Compression
> > module registered
> > Aug 17 08:18:02 lucy pppd[1647]: local  IP address 218.101.96.206
> > Aug 17 08:18:02 lucy pppd[1647]: remote IP address 218.101.58.67
> > Aug 17 08:18:02 lucy pppd[1647]: primary   DNS address 203.97.78.43
> > Aug 17 08:18:02 lucy pppd[1647]: secondary DNS address 203.97.78.44
> > Aug 17 08:19:40 lucy kernel: [  159.992544] CE: hpet increasing
> > min_delta_ns to 15000 nsec
> > Aug 17 08:23:45 lucy pppd[1647]: Terminating on signal 15
> > Aug 17 08:23:45 lucy pppd[1647]: Connect time 5.8 minutes.
> >
> > Now what does terminating on signal 15 mean?
> > cheers chris
> >    
> 
> What that magic number means I do not know, but dial-ups are very 
> susceptible to line noise. The they will drop the connection at "the 
> drop of a hat" - well, not quite but close :-) .
> 
> One of the things which used to cause severe line noise was a new 
> telephone unit which drew power from the line to recharge the capacitor 
> for it NVRAM for stored 'phone numbers. But this is some time 
> ago.....However, does anyone else use the phone at home while you are 
> using the modem? If so this will cause a disconnect. (Kids in the next 
> room are the usual culprits :-) .)
> 
> BC
> 
> 
> -- 
> Don't resent getting old - a great many are denied the privelege.
> 
> 
> 

to old to have family  :-)
sent them all of to outer space

-- 
Cheers the kiwi





More information about the ubuntu-users mailing list