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problem with ppp and 2.4.7



Hi,

I just compiled 2.4.7 and everything seems to work just fine - like sound, nfs, usb, etc. .... But I can't get ppp to work. Everytime I use 'pon' to connect to the internet I get this:

Sep  9 14:22:32 laptop pppd[535]: pppd 2.4.1 started by root, uid 0
Sep 9 14:22:33 laptop chat[536]: Can't get terminal parameters: Input/output error
Sep  9 14:22:33 laptop pppd[535]: Connect script failed
Sep  9 14:22:34 laptop pppd[535]: Exit.

When I boot 2.4.2 again, everything works without any problems !!
I intsalled ppp 2.4.1 after I compiled the 2.4.7 kernel (I should have read /usr/src/linux/Documentation/Changes more carfully) - but that shouldn't be the problem, right? Or do I have to compile the kernel again?

I found some information about this on the internet, but I still don't know how to solve the problem. It says that maybe the IRQ is already used by another device.
So here is "cat /proc/interrupts"

CPU0 0: 145848 XT-PIC timer
 1:       1023          XT-PIC  keyboard
 2:          0          XT-PIC  cascade
 7:       7965          XT-PIC  MS Sound System
10:          2          XT-PIC  pcnet_cs
11: 7 XT-PIC Toshiba America Info Systems ToPIC97, Toshiba America Info Systems ToPI
C97 (#2), usb-uhci
12:       4005          XT-PIC  PS/2 Mouse
14:      93572          XT-PIC  ide0
15:          4          XT-PIC  ide1
NMI:          0
ERR:          0

and "setserial" for the modem (which is /dev/ttyS4)

/dev/ttyS4, UART: 16550A, Port: 0x03e8, IRQ: 5

It doesn't seem like the IRQ is already used, right?
Any ideas?
thanks a lot!

Philipp





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