[Linux-users] pppd problem

[Lonni J Friedman]

On 8/22/07, Bob Hemus <ol.bob at sisqtel.net> wrote:
> I had my BestData USB modem working like a champ 'til I tried to get an
> icon to initiate it.  Now it's trashed.  Right this minute I'm using it
> on SuSE 10.1.  I'm having trouble with my Ubuntu 7.04, which by the way
> picked it up right off the bat.

What exactly is wrong?  I don't see an actual description of the
problem anywhere.

>
> I ran pppconfig and used /dev/ttyS0.  Here is my dmesg message;
> Hemus:~ # dmesg | fgrep tty
> serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
> 00:07: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
> cdc_acm 3-1:1.1: ttyACM0: USB ACM device

Every USB modem that i've ever used is /dev/ttyACM0, not /dev/ttyS0.

>
> I didn't ln -s to anything.  The 'phone rang and I got this error

Do you have call waiting or something else that would cause an
existing phone call to terminate?

> Error while Fetching Mail.
> Host lookup failed: sisqtel.net: Name or service not known

I'd guess that the connection terminated.

>
> Then I ln -s ed the modem and ttyACM0 and here is the plog report;
> bob at bob-desktop:~$ plog
> Aug 22 16:51:32 bob-desktop chat[9056]: abort on (VOICE)
> Aug 22 16:51:32 bob-desktop chat[9056]: abort on (NO DIALTONE)
> Aug 22 16:51:32 bob-desktop chat[9056]: abort on (NO DIAL TONE
> Aug 22 16:51:32 bob-desktop chat[9056]: abort on (NO ANSWER)
> Aug 22 16:51:32 bob-desktop chat[9056]: abort on (DELAYED)
> Aug 22 16:51:32 bob-desktop chat[9056]: send (ATZ^M)
> Aug 22 16:51:32 bob-desktop chat[9056]: expect (OK)
> Aug 22 16:51:42 bob-desktop pppd[9063]: pppd 2.4.4 started by root, uid
> 0
> Aug 22 16:51:42 bob-desktop pppd[9063]: Device ttyS0 is locked by pid
> 9052
> Aug 22 16:51:42 bob-desktop pppd[9063]: Exit.
> bob at bob-desktop:~$ ps aux
>
> I tried kill 9052

Prolly a stale lock file left behind by whatever you're using to connect.


-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
L. Friedman                                    netllama at gmail.com
LlamaLand                       http://netllama.linux-sxs.org