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From:	Katsumi Yamaoka <yamaoka AT jpl DOT org>
Subject:	Re: Cygwin 2.6.1 32-bit post install failed by /usr/bin/perl.exe
Date:	Wed, 18 Jan 2017 10:01:28 +0900
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On Mon, 16 Jan 2017 18:57:51 +0100, Achim Gratz wrote:
> Katsumi Yamaoka writes:
>> Run setup-x86.exe for full install excluding *x86_64* modulues.

> You do not want a full Cygwin install.  In particular, you do not want a
> full installl for Cygwin 32bit.

Yes, I know I overdo or am greedy.  So, I tried minimal install,
that is:

Stop cygwin
cd c:\
ren cygwin cygwin.cur
Run setup-x86.exe with the default configuration, plus Emacs,
Perl, X11, and some required dependencies.

It finished with no problem and main commands work fine.  Oh!

>> However, the post install didn't seem to end.  At that time, ps
>> on mintty showed a lot of defunct perl processes.  Then I tried
>> replacing /usr/bin/perl.exe with the one I built from the source
>> one and a half years ago.

> You've run out of address space to rebase to and now perl (which comes
> pretty late in the rebase sequence) collides with something else on your
> system or maybe even the Cygwin heap.

I see.  But the current 32-bit full-install seems to work (I
haven't tested everything, though).  Does it mean only a space,
that is comparable to the one perl and possibly a few modules
occupy, exceeds the limit?  Moreover, is there no way to know
how many space exceeds the limit, before installing?  I won't do
it even if it exists if it is hard to me, though.

Anyway, it's handy that everything is close at hand. ;)

>> It did the trick!  Now new cygwin is running with no problem!

> No it doesn't and it never will given that you did a full install.
> Please do a fresh install with only the packages that you need.  If you
> select too many packages you will likely need to switch to a 3GB
> userVM address space even then.  You are much better off using a 64bit
> Cygwin if you're using a 64bit Windows version.

Ok, I will try negotiating with boss for a 64-bit machine at the
next opportunity.  This is an office pc.

Thank you very much for your help.
Regards,


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