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Date: Thu, 8 Apr 2010 11:05:00 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: git on cygwin 1.7.2/1.7.4
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On Apr  8 10:14, Matthias Andree wrote:
> Am 08.04.2010, 08:11 Uhr, schrieb Christopher Faylor:
> 
> >On Wed, Apr 07, 2010 at 10:43:08PM -0400, Mark Levedahl wrote:
> >>On 03/31/2010 09:36 PM, Mark Levedahl wrote:
> >>>>On Tue, Mar 30, 2010 at 08:08:37PM -0400, Mark Levedahl wrote:
> >>>>>All of the above connections and i/o processing are done using
> >>>>>bog-standard fork, pipe, open, read, write, and associated file
> >>>>>commands. Git has no trouble opening all of the processes and pipes
> >>>>>under Cygwin 1.7.2. However, in general before the data transfer is
> >>>>>complete the demux process issues an error upon getting an incomplete
> >>>>>packet (fewer bytes transmitted than declared in the header), and
> >>>>>debugging shows the error code of the read() is ENOENT,
> >>>>>indicating the
> >>>>>pipe or socket has been terminated early. The index-pack process also
> >>>>>issues an error due to receipt of an incomplete pack.
> >>Given the above, it seems logical the problem is with pipes, and as
> >>1.7.4-1 is has fixes for pipes I tried it out and found a significant
> >>improvement: using 1.7.2-1 I got 16 failures out of 20 attempts to clone
> >>a 17 MByte repo on localhost, using 1.7.4-1 this is down to 3 failures
> >>out of 20 attempts. (1.7.3-1 was not an improvement).
> >
> >And, yet, there were no fixes for pipes in 1.7.4.
> 
> Not to suggest anything particular to Mark, but rather as a general
> comment: I wonder how many of the "1.7.X no better" can be
> attributed to the replace-on-reboot failure up to and including
> setup 2.693. If people rely on that rather than running "uname -a"
> or similar, those that were told to reboot may be unaware they're
> using the older version.

Good point.


Corinna

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

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