"cant commit memory for stack" error with perl

"cant commit memory for stack" error with perl

[Noel Grandin]

Hi

I'm running the latest production Cygwin stuff, and I'm getting an error 
like this in some perl code.
Running on Windows7, 64-bit, fully patched and up to date.

Any ideas?

Regards, Noel Grandin

C:/cygwin/bin/perl packconfig.pl -i 
C:/LibreOffice/libo/solver/wntmsci12.pro/xml/uiconfig -o 
../wntmsci12.pro/bin/uiconfig.zip
packconfig: ../wntmsci12.pro/bin/uiconfig.zip up to date. nothing to do.
       0 [main] perl 488 child_info_fork::abort: can't commit memory for 
stack 0x88B000(86016), Win32 error 487
       0 [main] perl 3604 child_info_fork::abort: can't commit memory 
for stack 0x88B000(86016), Win32 error 487


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Re: "cant commit memory for stack" error with perl

[Larry Hall (Cygwin)]

On 3/30/2012 8:11 AM, Noel Grandin wrote:
> Hi
>
> I'm running the latest production Cygwin stuff, and I'm getting an error
> like this in some perl code.
> Running on Windows7, 64-bit, fully patched and up to date.
>
> Any ideas?
>
> Regards, Noel Grandin
>
> C:/cygwin/bin/perl packconfig.pl -i
> C:/LibreOffice/libo/solver/wntmsci12.pro/xml/uiconfig -o
> ../wntmsci12.pro/bin/uiconfig.zip
> packconfig: ../wntmsci12.pro/bin/uiconfig.zip up to date. nothing to do.
> 0 [main] perl 488 child_info_fork::abort: can't commit memory for stack
> 0x88B000(86016), Win32 error 487
> 0 [main] perl 3604 child_info_fork::abort: can't commit memory for stack
> 0x88B000(86016), Win32 error 487

<http://cygwin.com/faq-nochunks.html#faq.using.fixing-fork-failures>

You may want to just try upgrading though.  Grab the newest 'setup.exe'
from cygwin.com first if you go this route.  It has the ability to
automatically do the rebasing.


-- 
Larry

_____________________________________________________________________

A: Yes.
 > Q: Are you sure?
 >> A: Because it reverses the logical flow of conversation.
 >>> Q: Why is top posting annoying in email?

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Re: "cant commit memory for stack" error with perl

[Corinna Vinschen]

On Apr  1 14:00, Larry Hall (Cygwin) wrote:
> On 3/30/2012 8:11 AM, Noel Grandin wrote:
> >Hi
> >
> >I'm running the latest production Cygwin stuff, and I'm getting an error
> >like this in some perl code.
> >Running on Windows7, 64-bit, fully patched and up to date.
> >
> >Any ideas?
> >
> >Regards, Noel Grandin
> >
> >C:/cygwin/bin/perl packconfig.pl -i
> >C:/LibreOffice/libo/solver/wntmsci12.pro/xml/uiconfig -o
> >../wntmsci12.pro/bin/uiconfig.zip
> >packconfig: ../wntmsci12.pro/bin/uiconfig.zip up to date. nothing to do.
> >0 [main] perl 488 child_info_fork::abort: can't commit memory for stack
> >0x88B000(86016), Win32 error 487
> >0 [main] perl 3604 child_info_fork::abort: can't commit memory for stack
> >0x88B000(86016), Win32 error 487
> 
> <http://cygwin.com/faq-nochunks.html#faq.using.fixing-fork-failures>
> 
> You may want to just try upgrading though.  Grab the newest 'setup.exe'
> from cygwin.com first if you go this route.  It has the ability to
> automatically do the rebasing.

Larry, while updating setup is always a good advice, I would like to
stress that the automatic rebasing is not done by setup itself, but
rather by the postinstall script included in the _autorebase package.
So the ability to rebase is not coupled to the setup version.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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Re: "cant commit memory for stack" error with perl

[Noel Grandin]

Hi

Thanks for the advise. But I'm still not winning :-(

I've done a rebaseall and a peflagsall and then a reboot, and I'm still 
seeing the failures.

Is there anything else I can try, any other debugging I can do?

Thanks, Noel Grandin

On 2012-04-01 20:00, Larry Hall (Cygwin) wrote:
> On 3/30/2012 8:11 AM, Noel Grandin wrote:
>> Hi
>>
>> I'm running the latest production Cygwin stuff, and I'm getting an error
>> like this in some perl code.
>> Running on Windows7, 64-bit, fully patched and up to date.
>>
>> Any ideas?
>>
>> Regards, Noel Grandin
>>
>> C:/cygwin/bin/perl packconfig.pl -i
>> C:/LibreOffice/libo/solver/wntmsci12.pro/xml/uiconfig -o
>> ../wntmsci12.pro/bin/uiconfig.zip
>> packconfig: ../wntmsci12.pro/bin/uiconfig.zip up to date. nothing to do.
>> 0 [main] perl 488 child_info_fork::abort: can't commit memory for stack
>> 0x88B000(86016), Win32 error 487
>> 0 [main] perl 3604 child_info_fork::abort: can't commit memory for stack
>> 0x88B000(86016), Win32 error 487
>
> <http://cygwin.com/faq-nochunks.html#faq.using.fixing-fork-failures>
>
> You may want to just try upgrading though.  Grab the newest 'setup.exe'
> from cygwin.com first if you go this route.  It has the ability to
> automatically do the rebasing.
>
>

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Re: "cant commit memory for stack" error with perl

[Corinna Vinschen]

Please, don't http://cygwin.com/acronyms/#TOFU
Thank you.

On Apr  2 10:22, Noel Grandin wrote:
> Hi
> 
> Thanks for the advise. But I'm still not winning :-(
> 
> I've done a rebaseall and a peflagsall and then a reboot, and I'm
> still seeing the failures.
> 
> Is there anything else I can try, any other debugging I can do?

You could try with the latest developer snapshot from
http://cygwin.com/snapshots/

> >>0 [main] perl 488 child_info_fork::abort: can't commit memory for stack
> >>0x88B000(86016), Win32 error 487
> >>0 [main] perl 3604 child_info_fork::abort: can't commit memory for stack
> >>0x88B000(86016), Win32 error 487

This is strange.  The stack address in question points to a thread
stack.  Trying to create a thread stack in a specific location only
occurs if the process tries to fork() from another thread than the main
thread.  However, if you're running Cygwin 1.7.10 or later, pthread
stacks are not located so low in the memory, since thread stacks are by
default allocated with MEM_TOP_DOWN.

So this looks like perl or the perl package you're using does not use
pthreads, but rather native Windows CreateThread to create a thread.  If
so, it's kind of on its own.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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Re: "cant commit memory for stack" error with perl

[Noel Grandin]

On 2012-04-02 10:57, Corinna Vinschen wrote:
> So this looks like perl or the perl package you're using does not use 
> pthreads, but rather native Windows CreateThread to create a thread. 
> If so, it's kind of on its own.

Weird, because the script is fairly simple, the includes look like:
use Getopt::Long;
use File::Find;
use File::Basename;
use Archive::Zip qw(:ERROR_CODES :CONSTANTS);

Which I would not have suspected of causing problems. And this worked 
fine for a few months until I updated Cygwin recently.

I think I'll wait until the next Cygwin release comes out, the install 
instructions for the snapshots looks a little hairy.

Thanks for your help.

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Re: "cant commit memory for stack" error with perl

[Corinna Vinschen]

On Apr  2 11:49, Noel Grandin wrote:
> 
> 
> On 2012-04-02 10:57, Corinna Vinschen wrote:
> >So this looks like perl or the perl package you're using does not
> >use pthreads, but rather native Windows CreateThread to create a
> >thread. If so, it's kind of on its own.
> 
> Weird, because the script is fairly simple, the includes look like:
> use Getopt::Long;
> use File::Find;
> use File::Basename;
> use Archive::Zip qw(:ERROR_CODES :CONSTANTS);

Sorry, I have not the faintest idea what perl is doing under the hood.

> Which I would not have suspected of causing problems. And this
> worked fine for a few months until I updated Cygwin recently.
> 
> I think I'll wait until the next Cygwin release comes out, the
> install instructions for the snapshots looks a little hairy.

Just download cygwin1-20120401.dll.bz2, bunzip it, chmod +x it,
and then replace cygwin1.dll in /bin with that file from Windows
Explorer.  That's it.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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Re: "cant commit memory for stack" error with perl

[Noel Grandin]

On 2012-04-02 12:19, Corinna Vinschen wrote:
> Just download cygwin1-20120401.dll.bz2, bunzip it, chmod +x it, and 
> then replace cygwin1.dll in /bin with that file from Windows Explorer. 
> That's it

Thanks for that suggestion.
Tried it. Also tried rebooting.
Also tried disabling DEP and ASLR.
Still no joy.
Sigh...



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Re: "cant commit memory for stack" error with perl

[Corinna Vinschen]

On Apr  2 16:30, Noel Grandin wrote:
> 
> 
> On 2012-04-02 12:19, Corinna Vinschen wrote:
> >Just download cygwin1-20120401.dll.bz2, bunzip it, chmod +x it,
> >and then replace cygwin1.dll in /bin with that file from Windows
> >Explorer. That's it
> 
> Thanks for that suggestion.
> Tried it. Also tried rebooting.
> Also tried disabling DEP and ASLR.
> Still no joy.
> Sigh...

If you can strip your perl script to the bare minimum necessary to
reproduce the issue, I can take a look if I can reproduce it.

Oh, and, where is your perl.exe based to?  In other words, what does

  $ objdump -h /bin/perl.exe | grep '\.text'

print?  (objdump is part of the binutils package).

If it's *not*

  00401000

but rather something like

  55691000

call `rebase -b 0x400000 /bin/perl.exe'
and try again.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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Re: "cant commit memory for stack" error with perl

[Noel Grandin]

On 2012-04-02 16:45, Corinna Vinschen wrote:
> If you can strip your perl script to the bare minimum necessary to 
> reproduce the issue, I can take a look if I can reproduce it. 
Its part of the LibreOffice build process.


> Oh, and, where is your perl.exe based to? 
> In other words, what does $ objdump -h /bin/perl.exe | grep '\.text' 
> print? (

I'll try these suggestions tomorrow, I'm in the middle of re-installing 
cygwin in it's entirety, just in case something got corrupted.

Regards, Noel.


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Re: "cant commit memory for stack" error with perl

[Noel Grandin]

Hi

I don't know why, but re-installing from scratch seems to have sorted it 
out.

Thanks for all your help Corinna!

Regards, Noel Grandin



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