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Date: Tue, 10 Jan 2012 18:26:21 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
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Subject: Re: socket performance (was Re: Building cygwin1.dll)
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On Jan 10 17:05, Steven Hartland wrote:
> ----- Original Message ----- From: "Corinna Vinschen"
> >On Jan 10 15:24, Steven Hartland wrote:
> >>http://support.microsoft.com/kb/983528
> >
> >I tried that, but it doesn't install.  The installer tells me "The
> >update is not applicable to your computer."  This is W7 64 bit on a
> >Lenovo laptop.
> >
> One of our guys had the same, when they tried to install the fix but when
> I downloaded it and tried on exactly the same machine without changing
> anything it just worked.
> 
> I know it sounds silly but did you download the correct version on the
> 64bit machine?

Well, the file I downloaded was a self-extracting zip archive and the
file it contains is called Windows6.1-KB983528-x64.msu, so I'm fairly
certain it's the right one for an AMD64 system.

> If this bug is effecting your you need to ensure that you make no connections
> using the machine that could possibly trigger the throughput issues prior to
> testing. Otherwise you'll be using a tcp stack without scaling.

Sounds tricky.  The laptop is a domain member and it's not in the same
room with me so I'm running this via rdesktop.  But that would be fixable.

However, if this issue is the problem, then why is sftp fast and only scp
and rsync slow?  I can reproduce this at will, not only once in the
right order.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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