git and openssh issue (eblake?)

Christopher Faylor cgf-use-the-mailinglist-please@cygwin.com
Sun Oct 3 02:54:00 GMT 2010


On Fri, Jul 23, 2010 at 12:27:55PM -0400, Christopher Faylor wrote:
>On Fri, Jul 23, 2010 at 11:04:39AM -0500, Jeremy Bopp wrote:
>>On 7/22/2010 8:19 PM, Bill Hoffman wrote:
>>> On 7/22/2010 6:44 PM, Jeremy Bopp wrote:
>>> 
>>> It is not that unreproducible... It fails maybe 5 out of 6 tries.  If
>>> you can get it to work 10 out of 10 times then I would say you don't
>>> have the problem.
>>
>>I'm actually able to reproduce this early EOF error during cloning 100%
>>under the following scenario:
>>
>>$ cd /tmp
>>$ git clone --bare git://cmake.org/cmake.git
>>$ git clone localhost:/tmp/cmake.git cmake-test
>>
>>This is all under Cygwin using all binary mounts on Windows XP SP 3.
>>Cygwin, ssh, and git are all updated to current versions:
>>
>>Cygwin Package Information
>>Package              Version        Status
>>cygwin               1.7.5-1        OK
>>git                  1.7.1-1        OK
>>openssh              5.5p1-2        OK
>>
>>I haven't tried the other configurations I mentioned yet, but if there
>>is someone who has the ability to debug this in more depth, this looks
>>like a quick and readily reproducible test case.
>
>I checked this out and it looks like something in git is overflowing
>and scriblling on the stack.  I was hoping that it would be a cygwin
>problem which I could fix (and I wouldn't be surprised if it eventually
>turned out to be) but I didn't see much evidence of the DLL causing this
>problem.  It looks like it is git itself doing something wrong.

I've done some more testing this weekend and I'm coming to a different
conclusion.  I don't see git being implicated.  It really does seem to
be a Cygwin problem after all.  My current theory is that it's related
to Cygwin's pipe code.

Still investigating...

cgf

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