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Date:	Thu, 15 Nov 2012 05:40:06 +0100
From:	marco atzeri <marco DOT atzeri AT gmail DOT com>
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To:	cygwin AT cygwin DOT com
Subject:	Re: xz -9 : Cannot allocate memory
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On 11/14/2012 11:09 PM, David Stacey wrote:
> I am trying to use 'xz -9' to compress a file, but the programme exits
> with the error message 'Cannot allocate memory'. Here's what I tried:
>
>
> $ echo Hello World > compress_me.txt
>
> $ xz -9 compress_me.txt
> xz: compress_me.txt: Cannot allocate memory
>
> $ xz --version
> xz (XZ Utils) 5.0.2
> liblzma 5.0.2
>
>
> Having read http://cygwin.com/cygwin-ug-net/setup-maxmem.html I tried
> the following:
>
>
> $ peflags --cygwin-heap /usr/bin/xz.exe
> /usr/bin/xz.exe: initial Cygwin heap size: 0 (0x0) MB
>
> $ peflags --cygwin-heap=1024 /usr/bin/xz.exe
> /usr/bin/xz.exe: initial Cygwin heap size: 1024 (0x400) MB
>
> $ xz -9 compress_me.txt
>
>
> And this worked. Is this the correct way to fix the problem? If so,
> please could we increment the heap size for xz in a post install script?

a lot of programs have "Cygwin heap size: 0 (0x0) MB"
but they work anyway

so the root cause is somewhere else.

> Dave.

please look at
> Problem reports:       http://cygwin.com/problems.html

specially the
"Run cygcheck -s -v -r > cygcheck.out and include that file as an 
attachment in your report"

Marco


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