Date: Tue, 15 Dec 1998 10:45:30 +0000 From: Brian Somers <brian@Awfulhak.org> To: Christopher Hall <hsw@acm.org> Cc: freebsd-current@FreeBSD.ORG Subject: Re: ppp tunnelling Message-ID: <199812151045.KAA01588@keep.lan.Awfulhak.org> In-Reply-To: Your message of "Mon, 14 Dec 1998 17:42:48 %2B0800." <199812140942.RAA04244@hsw.generalresources.com>
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That's what you get for being so -current ;-P
This is a latency problem - one that's been made just a bit worse by
yesterdays timer changes.... But the good news is that I've found
the problem. The fix should be committed by the time you read this
mail.
Thanks for the report.
> On a fairly recent make world (cvsu30220p about 12 hours ago) I rebuilt the
> kernel with two tunnel devices to try to use the ppp.conf "loopback".
> (from ppp.conf.sample file version 1.33)
>
> I tried the following:
>
> When I run the client ppp, the server ppp seems to hang, and kill is
> needed to stop the server.
>
> Telnet to server ppp also hangs, there is no output from the server.
>
> Running ppp -direct loop-in prints 5 blocks of binary data.
>
> Replacing the server with a simple C program to output a couple of
> lines of text and running the client interactive mode; the text shows
> up when the "term" command is used.
>
>
>
> Here is the run:
>
> [hsw:/etc/ppp]# ppp -background loop
> Working in background mode
> Using interface: tun0
> Child failed (errdead).
> [hsw:/etc/ppp]#
>
>
> >From ps -ax:
>
> 698 ?? Is 0:00.04 ppp -direct loop-in
>
>
> It looks to me like the server ppp is not doing any I/O once it has been
> started by inetd.
>
> Just added the Async log flag and I can see the data is only received
> by the server ppp _after_ it receives the signal 15 from the kill.
> Might this suggest that it has not set the socket to non-blocking?
>
>
> ---
> Christopher Hall <c.hall@computer.org>
--
Brian <brian@Awfulhak.org> <brian@FreeBSD.org> <brian@OpenBSD.org>
<http://www.Awfulhak.org>;
Don't _EVER_ lose your sense of humour !
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