Message-ID: <23d7e1bb0610180206j43e34f8fl1e1a33b280d29342@mail.gmail.com>
Date: Wed, 18 Oct 2006 10:06:06 +0100
From: "Simon Mullis" <simon@mullis.co.uk>
To: cygwin@cygwin.com
Subject: Re: 'fhandler_dev_zero::fixup_mmap_after_fork' problems.
In-Reply-To: <006201c6f209$baae7260$a501a8c0@CAM.ARTIMI.COM>
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References: <23d7e1bb0610170516v6609c026x7c819984cc7a433e@mail.gmail.com> 	 <006201c6f209$baae7260$a501a8c0@CAM.ARTIMI.COM>
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Hi Dave,

Many thanks for your comments....

On 10/17/06, Dave Korn <dave.korn@artimi.com> wrote:
> On 17 October 2006 13:17, Simon Mullis wrote:
>
> > I've been a happy Cygwin user for a years now with no issue.  Recently
> > (last few months) I've started having many problems with a variety of
> > apps.
>
>   What did you install just before it all went wrong?
>

It's a new laptop... I assumed that this was an issue purely with
Cygwin or my base OS and not related to either the Windows apps I have
or the hardware spec of the system.  I agree this is a good place to
start though.

> > Because of the number of apps with which I have an issue I
> > suspect it might be an issue with the cygwin DLL and memory allocation
> > after forking.
>
>   Well, that plus all the references to memory allocation and forking in the
> error messages!
>
Haha - fair enough!

> > I've spent a fair amount of time Googling for a solution and although
> > I've found a number of people with a similar issue I've not found
> > anything yet.
> >
> > So my questions:
> >
> > - Is this the right group to ask this in?
>
>   Yep.
>
> > - Is this a known issue?
>
>   It's a common failure mode but there can be numerous disparate underlying
> causes.
>
> > - Is it my environment?  I've tried a complete re-install with no
> > change.  I've tried recent CVS builds of the cygwin DLL with no luck.
> > - Is it related to my system? (Thinkpad T43 with 2GB RAM, Windows XP Pro
> > SP2).
> > - I've also tried adding the reg key heap_chunk_in_mb
> > (HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions\Cygwin) (as a DWORD).
> > I've
> > tried setting this to 256, 512 and 768 MB.  No success here either.
> > - No amount of 'rebase'-ing seems to have helped either.
> >
> > Any pointers, comments or suggestion would be really, really appreciated.
>
>   This is the point at which I usually say ...
>
> "  Disable the "Logitech Process Monitor" service associated with your webcam?
> Uninstall Agnitum Outpost?  Disable McAffee's buffer overflow protection
> feature?  "
>
>

I'll start "turning stuff off" and see where I get.  I'll report any
success back to this group.


>     cheers,
>       DaveK
> --
> Can't think of a witty .sigline today....
>
>
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>


-- 
Simon Mullis
_________________
simon@mullis.co.uk

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