ppp0 (urgent)

Hi!

standard pppd implementation, it should create the ppp0 interface once it succeeds in dialing to and handshaking with the ISP. To say more, I (and no doubt others) will need to see the logfile output of kppp and any processes it calls (edited ONLY to replace any *passwords* with something obvious like XXXXXXX, please).

So it look like there is an error with handshaking.. I will try to change some options in kppp.

The output of kppp in /var/log/messages was this :

Jul 19 10:05:41 localhost kernel: hsf_break_ctl: modem does not
presently support sending/receiving BREAK
Jul 19 10:06:11 localhost modprobe: modprobe: Can't locate module ppp0
Jul 19 10:06:11 localhost modprobe: modprobe: Can't locate module ppp0
Jul 19 10:06:11 localhost pppd[12233]: pppd 2.4.1 started by root, uid 0
Jul 19 10:06:11 localhost modprobe: modprobe: Can't locate module ppp0
Jul 19 10:06:11 localhost pppd[12233]: Using interface ppp0
Jul 19 10:06:11 localhost pppd[12233]: Connect: ppp0 <--> /dev/ttyHSF0
Jul 19 10:06:11 localhost /etc/hotplug/net.agent: assuming ppp0 is
already up
Jul 19 10:06:41 localhost pppd[12233]: Terminating on signal 15.
Jul 19 10:06:47 localhost pppd[12233]: Connection terminated.
Jul 19 10:06:47 localhost pppd[12233]: Receive serial link is not 8-bit
clean:
Jul 19 10:06:47 localhost pppd[12233]: Problem: all had bit 7 set to 0
Jul 19 10:06:47 localhost pppd[12233]: Exit.
Jul 19 10:06:47 localhost /etc/hotplug/net.agent: NET unregister event

not supported

on 10:06:47 I pulled out the phone cable to cut off the connection, so those
messages are because of that.

If this is not enough (and I think it is not), please tell me what other information should I
tell to you.

I wonder why is that when I made a dial up connection on the other macine (with Ethernet card)
there wasn't any problems?
I tought that was because of the Ethernet card, so that is why I thought that I need one
in this machine too, but if not, than could there be any relation between ppp0 and Ethernet?

Now I started to look through pppd and chat, but I don't really know what I need for a
dial up connection.
When a connection is made with chat and it logged in, and pppd got back to work, do I need
anything else, or from that I can use Internet with a browser??

I will keep on trying with kppp and chat and I will send you all informations that I
get from log messages.

Thank you for your help (for now),
Akos

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Hi, Akos:

I am a newbie too, but since I didn't see a response
from the gurus yet, I'll post some comments.

<snip>

pppd.o is a modules ppp0 may not be a module.
Are you doing:
modprobe pppd
?

This looks like your modem is set for 7 [even|odd|no] parity.
You probably need to set 8 bits, no parity, 1 stop bit; "8N1".

HTH, Chuck

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First things first. The problem is here:

        Jul 19 10:06:11 localhost pppd[12233]: Connect: ppp0 <--> /dev/ttyHSF0
        Jul 19 10:06:11 localhost /etc/hotplug/net.agent: assuming ppp0 is
        already up
        Jul 19 10:06:41 localhost pppd[12233]: Terminating on signal 15.

pppd makes the ppp0 interface (first line), but after 30 seconds (last line) it has been unable to complete handshaking with the other end, so terminates. Why can't it handshake? There is no info in the logs to tell us. I don't know how kppp invokes pppd, but you want to have it invoked with more reporting (in the pppd man page, look up the settings for "debug" and "kdebug") so you can see what problem pppd is encountering. BTW, I don't know what the program "/etc/hotplug/net.agent" does or why a package that provides USB support is getting invoked as part of pppd startup.

Second, as someone else already observed, ppp0 is not a module. Since pppd is able to start a a ppp0 interface, I'd guess that your kernel has ppp support built in. But if not, you need (I think) the ppp.o module, not ppp0.o, in whatever file causes the modprobe invocation (probably /etc/modules.conf or /etc/conf.modules, whichever way your Linux distro specifies module aliases).

Third, since you keep bringing Ethernet cards up, I guess you don't believe my responses on that score, so I won't discuss Ethernet any more.

Fourth, you ask:

Now I started to look through pppd and chat, but I don't really know what I need for a
dial up connection.
When a connection is made with chat and it logged in, and pppd got
back
to work, do I need
anything else, or from that I can use Internet with a browser??

If chat returns control to pppd, and then if pppd is able to configure the interface, then you should have a working Internet connectios. But that second "if" is where your problems have been. Once you think you have pppd running the connection successfully, you can check to see if it is set up right with

ifconfig -a (to see if the ppp0 interface is present and configured) netstat -nr (to see if the routing table has an entry for the
Interne conection)

If those two commands give good results, then your Internet connection is working and you should be able to access the usuall assortment of Internet services.

Fifth, you said in an earlier message that this modem works properly with another Linux machine. If your standard for "works" was "sets up a ppp connection successfully", then you might want to send us the equivalent logfile outout from that host (or examine it yourself) to see what is different between it and the present host.

Finally, am I correct in assuming that you have successfully set up a ppp link to this ISP before? If so, you might provide us with the details of how you did it (what authentication, mainly, but ideally everything EXCEPT your password). If not ... have you considered the possibility of a problem at the ISP end (the"bit 7 set to 0" log entry concerns me a bit; that sounds like a shell connection, not ppp)?

--
-----------------------------------------------"Never tell me the odds!"--------------
Ray Olszewski -- Han Solo
Palo Alto, California, USA [email protected]
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