The PPP bugs I found were not specific to MacPPC.

Take a look at PRs

11916 (closed)
11924 (closed)
11720 (open)
10540 (open)

-dgl-

>Sorry for taking so long to get back to you.
>
>On Tue, Nov 05, 2002 at 03:38:38PM -0600, Donald Lee wrote:
>> I am surprised that the modem works, as it is essentially a device that
>> hangs off the serial port.  (i.e. there is no modem driver, as far as
>> I know, just the serial driver)
>
>You're right.  (I had to check; that's part of the reason for the delay.)
>Though in hardware terms the modem has some other connections -- I had to
>install a patch to wake it from APM sleep.
>
>> If you have the modem working - at all - that would be good news.
>
>Am I the only person on the list with my configuration?  I would have thought
>modem support would be OK by now.  You guys must all be rich enough to have
>faster connections, or not have G4s.
>
>> Pppd is broken in 1.5 for dial-in, but I don't remember whether it works
>> or not with dial-out.  (There are PRs for the problems...)
>
>I didn't find any Mac-specific bugs relating to ppp, so you had better give
>me the PR numbers.  Perhaps they're not specific to the Mac port?
>
>-- Derek