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To: cygwin AT cygwin DOT com, "Corinna Vinschen" <corinna-cygwin AT cygwin DOT com>
Subject: Re: scp no longer reports incremental progress
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Date: Thu, 01 Apr 2010 19:21:25 +0300
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From: "Matthias Andree" <matthias DOT andree AT gmx DOT de>
Message-ID: <op.vahuhzuy1e62zd@balu.cs.uni-paderborn.de>
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Corinna Vinschen wrote on 2010-04-01:

> On Apr  1 18:17, Matthias Andree wrote:
>> Am 01.04.2010 16:43, schrieb Christopher Faylor:
>> > On Thu, Apr 01, 2010 at 02:00:42PM +0300, Matthias Andree wrote:
>> >>Euh, 20100331 seems to introduce regressions for me compared to  
>> 20100328.
>> >>scp now seems broken for me,
>> >>
>> >>$ scp -vvvvv somefile user AT example DOT org:/tmp/
>> >>Executing: program /usr/bin/ssh host example.org, user user, command  
>> scp
>> >>-v -t -- /tmp/
>> >>
>> >>and often just hangs there, while PuTTY's pscp and interactive ssh to  
>> the
>> >>same host + login works just fine, and also if I'm using the 20100328
>> >>snapshot.
>> >>
>> >>With gdb attached, it succeeds once in a while.
>> >
>> > How big is "somefile" and where is "example.org"?  Is it a local
>> > machine?  In another country/state/continent?  What kind of system is
>> > it?
>>
>> As written to Corinna, 32-bit i686 openSUSE 11.2 Linux fully patched  
>> with
>> preinstalled openSSH 5.2.
>>
>> Few MB, or 1.X MB. example.org is behind an ADSL line which is ~12  
>> Mbit/s in the
>> direction where I'm trying to copy and ~0.6 Mbit/s in the opposite  
>> direction.
>> Note that with 20100328 I sort of "immediately" get the SSH debug  
>> trace, whereas
>> there is no output at all with 20100331. (on Windows 7 Professional  
>> 32-bit
>> German which itself sits on a 100 Mbit/s firehose). 12 hops, 48 ms (the  
>> first 10
>> hops take 7 ms, 11 hops 14 ms, then the typical DSL interleaving on the  
>> last hop).
>
> Just tried a slow line as well, multiple times.  It still works fine for
> me with DSL upload speed of 0.6 Mbit/s, remote is cygwin.com which is
> running some Linux as well.  10 hops.
>
> Are you sure you didn't suffer from some other problem, like multiple
> Cygwin versions or something?

I shut down all Cygwin processes (ps -al only listed itself) and replaced  
cygwin1.dll before doing the trials. What else would I have to do to be  
sure? Or did I miss replacing other parts of the system for the trial?

-- 
Matthias Andree

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