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Date:	Mon, 9 Jul 2018 11:03:32 +0200
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: Fork issue on W10 WOW
Message-ID:	<20180709090332.GC3111@calimero.vinschen.de>
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On Jul  8 18:03, Marco Atzeri wrote:
> Am 30.06.2018 um 22:47 schrieb Ken Brown:
> > On 6/30/2018 11:52 AM, Marco Atzeri wrote:
> >=20
> > I've never had this problem with my own 32bit installation on W10, but I
> > just reproduced it by doing a new installation with your list of
> > packages.=C2=A0 Have you tried just installing a minimal list of packag=
es
> > that you need for building the packages you maintain?
> >=20
>=20
> On a fresh minimal installation the problem can arise again
>=20
> $ cygcheck -cd |wc -l
> 245
>=20
> as the first system shared libs are lower than the rebase
> DefaultBaseAddress=3D0x070000000
>=20
> 6F810000-6F811000 r--p  /cygdrive/c/Windows/System32/wow64.dll
> 6F811000-6F844000 r-xp  /cygdrive/c/Windows/System32/wow64.dll
>=20
> I think that rebase should consider different rebase
> base address for W10.
>=20
> Using DefaultBaseAddress=3D0x06F000000 seems fine
> for the time being

I can do that in the rebaseall script (I have a matching patch locally),
but it looks like a race we can't win in the long run.  240 Megs less
space is a lot given the number of DLLs in the distro.

To make matters worse, I just checked my local 32 bit W10 and it turns
out that various Windows DLLs loaded by default (even in a simple tcsh)
are at even lower addresses, e.g.=20

  6B690000-6B6A3000 /mnt/c/Windows/System32/netapi32.dll


Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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