Fwd: help with debugging

[varol kaptan]

Sorry, the following reply was supposed to go to the list

---------- Forwarded message ----------
From: varol kaptan <varol.kaptan at gmail.com>
Date: Wed, Feb 17, 2010 at 6:10 PM
Subject: Re: help with debugging
To: Patrick Mézard <pmezard at gmail.com>


On Wed, Feb 17, 2010 at 2:52 PM, Patrick Mézard <pmezard at gmail.com> wrote:
> Le 17/02/10 00:51, varol kaptan a écrit :
>> Hi,
>>
>> I have a weird problem:
>>
>> Mercurial 1.4.3 / TortoiseHG 0.9.3, no extensions, winxp.
>>
>> I am trying to commit a change in one file (~ 10Mb xls on winxp) and
>> after about 5-10 seconds the command prompt comes back without any
>> error message. A subsequent "hg status" reveals that the commit did
>> not happen. There is an unfinished transaction and a wlock file in
>> .hg/ (If I run the commit command again, mercurial advises me to run
>> hg recover first.)
>>
>> I've tried running hg with -v --debug --traceback without any success.
>> Something obviously goes wrong at some point but nothing is displayed
>> on the screen. The same commit succeeds on a linux box with Mercurial
>> 1.2.1 if I copy the directory and remove the lock file(s). Version
>> 1.2.1 on the xp box does not work either - same as 1.4.3.
>>
>> Any suggestions on how to diagnose such a problem?
>
> Do you see anything like a memory spike during the commit?
>
>
> Also, you can find source/development based installers here:
>
>    http://bitbucket.org/tortoisehg/thg-winbuild/downloads/
>
> For instance,
>
>    http://bitbucket.org/tortoisehg/thg-winbuild/downloads/mercurial-1.4.3.win32-py2.6.exe
>
> requires you to have a local python 2.6 install. The benefit is you will be running python code directly and have the ability to hack the .py files. Plus the reporting functions may work better.
>
> --
> Patrick Mézard
>

Thank you very much.

it turns out that this is issue1940 - stack overflow in bdiff.c -
replacing with bdiff.py (the pure python implementation) fixes the
problem.

I am surprised that to see that this patch has not made it yet (see
last post at http://markmail.org/thread/fjz2arydwo7skjki )

Varol Kaptan