On Thu, Jan 28, 1999 at 07:07:12AM +0100, Davide Alberani wrote:
> Hi, first of all: sorry for my bad English.
Well, your English is much better than my Italian. So if
you're going to apologise, then so must I.
Anyway, nobody owns English. I'm sure many others agree:
for informal communication, if you convey your point,
your English is good enough.
> I think I found a bug in the ppp kernel support.
> Some day ago I try to send a reply for a post in a newsgroup, but the
> connection fails.
> I think it was a news server trouble, and I send the same message directly
> in the mailbox, but this fails too.
> I try to send the message via ftp, and it also breaks my connection... argh! :-(
>
> Via syslog, on the console, I received the error:
> ppp: frame with bad fcs, excess = f714
> ppp: frame with bad fcs, excess = 1ff9
> ppp: frame with bad fcs, excess = e6
>
> And, in the ppp.log, this one:
> Jan 27 06:03:46 snoopy pppd[229]: appear to have received our own echo-reply!
>
> After this, the connection lock up completely, and I need to restart it.
> On the other side of the link, I *think* there is a linux 2.0.34 machine.
>
> My kernel is 2.0.35, my system a GNU/Debian 2.0, my pppd version is 2.3.5
> I try to send the message with leafnode 1.8.1, postfix 19980105, and
> the standard ftp in the netstd-3.07-2 package.
>
> I attach the (small) message that breaks my ppp connection gzipped,
> since I cannot send it in plain text :-(
Hmm. I unzipped your file on Linux 2.0.36 kernel, ppp-2.3.5 daemon
and kernel code, then between "klister" on one end of a ppp link,
and "lolead" and "dan" on an ethernet at the other end:
klister:45:/they/dan: rcp message lolead:/tmp
klister:46:/they/dan: rcp lolead:/tmp/message roundtrip
klister:47:/they/dan: diff message roundtrip
klister:48:/they/dan:
no diff. Also,
klister:54:/they/dan: ftp dan.gasboy.com
Connected to dan.gasboy.com.
220 dan.gasboy.com FTP server (Version wu-2.4.2-academ[BETA-11](1) Mon Dec 16 17:10:41
EST 1996) ready.
331 Guest login ok, send your complete e-mail address as password.
230 Guest login ok, access restrictions apply.
Remote system type is UNIX.
Using binary mode to transfer files.
ftp> cd incoming
250 CWD command successful.
ftp> put message
local: message remote: message
200 PORT command successful.
150 Opening BINARY mode data connection for message.
226 Transfer complete.
2099 bytes sent in 0.00416 secs (4.9e+02 Kbytes/sec)
ftp> close
221 Goodbye.
ftp> bye
klister:55:/they/dan: rlogin dan
Last login: Wed Jan 27 23:36:01 from klister
You have mail.
xterm
dan:1:/they/dan: cd ~ftp/incoming
dan:2:/home/ftp/incoming: rcp message klister:/tmp
dan:3:/home/ftp/incoming: logout
rlogin: connection closed.
klister:56:/they/dan: diff message /tmp/message
klister:57:/they/dan:
No diff again. Nothing in my syslog file, either.
So I don't think it is the pppd or the kernel. Perhaps your
line is not 8-bit clean, and ppp thinks it is?
--
Dan Wilder <[EMAIL PROTECTED]>
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