[tex-live] Observations regarding "perl.exe stopped working"

Lars Madsen daleif at imf.au.dk
Thu Aug 30 10:42:58 CEST 2012

On 08/30/2012 12:51 AM, Norbert Preining wrote:
> Hi Lars,
> first of all, thanks for all your tests and investigations.
> On Mi, 29 Aug 2012, Lars Madsen wrote:
>> use Data::Dumper;
>> to either trans.pl or install-menu-wizard.pl helps
> Which is still a strange thing. But I read somewhere about interaction
> between utf8 and Dumper ...
>> use 5.006_001;
>> require Exporter;
>> require overload;
>> which did not do any difference.
> Did you try uncommenting the utf8 thingy?
>> i.e. line 139:
>>    $mw = Tk::MainWindow->new(-width => $MWIDTH, -height => $MHEIGHT);
> Which is completely proper call ... no idea why it shouldn't work.
>>   if ($::opt_select_repository) {
>>    } else {
>>      do_remote_init();
>>      setup_perltk_local_vars();
>>      calc_depends();
>>    }
>> Interestingly, if we outcomment the three lines in the 'else' part, then
>> install-tl-advanced.bat also fails with the "perl.exe stopped working"
>> So the question is: Is there anything set up by these three lines, that
>> it would not hurt to be added to install-menu-wizard.pl such that it
>> might run without problems??
> First of all, the same things are done by the wizard in a slightly
> different way.
> Secondly, do_remote_init and calc_depends has *no* influence on perl/tk
> as it is also used in the textmode installer.
> Thirdly, setup_perltk_local_vars only can run in ther perltk/advanced
> installer, because it sets up some vars necessary for that installer,
> but they are not used with other installers.
> Lastly, I don't believe that it will change ... I believe that it is
> some timing/threaded issue.:
> - main window is created, probably in a subthread
> - main thread continues (until the MainLop is called)
> - at some point the sub thread of the main window dies and tears down
>    the main one, too.
> SO my wild guess is that if you change something, the error will appear
> somewhere else.
> AND ... AND ... the above is *anyway* only executed if you start
> the installer with
> 	-select-repository
> so if you start the advanced without the above option, the mentioned
> lines will anyway not be executed. Which points once more at timing
> issues independent of the actual code line.

erh, the only thing we did was to comment those three lines, and double 
click the install-tl-advanced.bat in windows explorer.

We did not pass any options. That is why we were wondering

Isn't the else part only executed if the user has NOT specified a repo?

>> BTW: The IT guy might be able to provide a VM ware image of a Win 7 that
>> fails if anyone want to play with it for debugging. Drop me an email if
>> interested.
> No VMware here, no disk space (old laptop crashed ...) so probably
> *I* cannot help.
> Best wishes
> Norbert
> ------------------------------------------------------------------------
> Norbert Preining            preining@{jaist.ac.jp, logic.at, debian.org}
> JAIST, Japan                                 TeX Live & Debian Developer
> DSA: 0x09C5B094   fp: 14DF 2E6C 0307 BE6D AD76  A9C0 D2BF 4AA3 09C5 B094
> ------------------------------------------------------------------------
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