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    SubjectRe: Data sitting and remaining in Send-Q

    Hello Jan , Is this possibly related to a ECN enabled host &
    somewhere in between a Non-ECN enabled (or a cisco router) ?
    Just a thought , JimL

    On Mon, 24 Dec 2001, Jan-Benedict Glaw wrote:

    > On Mon, 2001-12-24 19:10:32 +0100, José Luis Domingo López <jdomingo@internautas.org>
    > wrote in message <20011224181031.GA7934@localhost>:
    > > On Monday, 24 December 2001, at 18:01:42 +0100,
    > > Jan-Benedict Glaw wrote:
    > > > I've got some problem with a freshly installed Debian sid system.
    > > > It's running with 2.4.16, 2.4.17-rc2 and 2.4.17 (the problem
    > > > appears on all these kernels) and something seems to break ssh.
    > >
    > > My own experience with Debian's ssh is that, sooner or later,
    > > X-forwarding fails, with Send-Q (or Recv-Q) in the server side
    > > completely full. The server side was Debian Sid, and client side was
    > > Debian Woody, and it happened with both a simple xclock and gkrellm (ssh
    > > remoteserver xclock, ssh remoteserver gkrellm).
    >
    > Seems to bo a more general problem. I just installed ftpd and telnetd.
    > *Both* of them show exactly the same behaviour: 'ls -l' via telnet
    > blocks also. I could get a 635 byte file via ftp, but fetching a
    > 69294 bytes long file stalled. (This time, strace shows that ftpd is
    > sitting in write(5, ...data..., 56262), and there are
    > 13032 bytes in Send-Q for ftpd...)
    >
    > So what is this? Seems that there's a general TCP I/O problem with
    > the software current software versions in Debian unstable. libc
    > problem? Could a lousy network card cause this? Are there any
    > debugging hints for me?
    >
    > MfG, JBG
    >
    > --
    > Jan-Benedict Glaw . jbglaw@lug-owl.de . +49-172-7608481
    > -- New APT-Proxy written in shell script --
    > http://lug-owl.de/~jbglaw/software/ap2/
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