Subject: Re: PPP problems with sup as of 2/20/98
To: Jeremy Cooper <>
From: Sean Brandt <>
List: current-users
Date: 02/23/1998 15:45:05
-----Original Message-----
From: Jeremy Cooper <>
To: Bill Studenmund <>
Cc: Sean Brandt <>; current-users@NetBSD.ORG
Date: Monday, February 23, 1998 3:37 PM
Subject: Re: PPP problems with sup as of 2/20/98

>On Mon, 23 Feb 1998, Bill Studenmund wrote:
>> On Sun, 22 Feb 1998, Sean Brandt wrote:
>> > I recompiled kernel and userland on friday, and since then ppp does not
>> > work, either in demand, or direct dial never fires off chat,
>> > has to be killed with a sigkill. I've tried with both uvm and not, with
>> > serial console and not...Very confused :) Anyone have any ideas to try?
>> Either ktrace it, or put in log statements.
>> If it dies where pppd hangs up the modem (in pppd/main.c), then it's the
>> same problem I ran into just recently. Somehow the TIOCMBIC ioctl is
>> causig pppd to hang.
>There was a bug recently introduced (and fixed I believe) in the i386
>serial port port code which caused certain ioctl() calls to effectively
>loop forever.  I'll bet that you (Bill) are certainly hitting it.  It may
>be the same case for Sean.

That was what seemed to be the problem, though even after sunday's sup it
didn't fix until I removed my serial console from the config...I'm going to
try to recreate it, and if so I'll send-pr it.
- Sean