David Karlin <[EMAIL PROTECTED]> writes: > Hello, > I've been messing around with Debian/Linux for about 3 months now. I > recently acquired a modem for my hamm box and am trying to set up my > system for a ppp/pap connection. > > I have run pppconfig, and now when I do "pon", the system waits about > 1/2 minute, and dials the ISP's number. After the modem dials the > number, I can hear the carrier-detect; then the modem disconnects in > about another 1/2 minute. The same thing happens (more or less) when > I run minicom. > > I have attached some of some related files. Also, this computer is on > a LAN (in case that makes any difference). > > I got some help today (in IRC) from someone who works at an ISP that > runs Debian, and he was stumped. If anyone can figure this out, I will > owe you a beer (or six). > > TIA, > > --David
The wait between the "pon" command and the modem dialing is telling - that wait shouldn't be happening. I'd suspect an IRQ problem - that is, your modem is set to use the wrong IRQ. When this happens, data comes back from the modem only very slowly; this means that there's a long wait for the "OK" in the second line of the chatscript, which explains the initial delay in dialing. This also interferes with data coming back from your provider in a timely fashion, which is leading pppd to think that a timeout occured in getting config. information, and so it hangs up. Can you use your modem through minicom? If so, is it ungodly slow? That's a better sign that there's an IRQ problem. To fix this, you need to find out what IRQ the physical modem is using (check the modem manual to find this out; if it's an external modem check your BIOS - should be IRQ 3 or 4, but some bioses let you set the IRQ on serial ports to 12). Then, you need to set the modem device to use this irq: setserial /dev/ttyS1 irq ?? (where for ?? use what you found; instead of ttyS1 use what's appropriate for your system) If this works, modify the file /etc/rc.boot/0setserial to make this irq change permanent.
