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Date: Tue, 24 May 2016 11:14:16 +0200
Message-ID: <CAB8Xom9eOOczz=cz8zNFB73ZMaQF_Wufz+ZLDzKVc-8CN1r7hw@mail.gmail.com>
Subject: Re: changes in 32-bit Cygwin OpenGL causing crashes?
From: marco atzeri <marco.atzeri@gmail.com>
To: "cygwin@cygwin.com" <cygwin@cygwin.com>
Content-Type: text/plain; charset=UTF-8

On Tue, May 24, 2016 at 3:26 AM, KIMURA Masaru <hiyuh.root@gmail.com> wrote:
> Hi,
>
>> Have there been any changes to OpenGL libraries in 32-bit cygwin in the last six months?
>
> i also have another OpenGL app crashing.
> glxinfo reports wrong Video memory size.
> glxgears raises SIGSEGV under swrast_dri.so.
> i could not reach exact crash point, b/c dri-drivers looks having no
> debuginfo package ATM.
> maybe, mesa (or something for GLX) is simply broken?
>
> Peace,
>
> -----
>
> $ uname -a
> CYGWIN_NT-10.0-WOW lynx 2.5.1(0.297/5/3) 2016-04-21 22:12 i686 Cygwin
>
> $ cygcheck.exe -c dri-drivers mesa mesa-demos xorg-server
> Cygwin Package Information
> Package              Version        Status
> dri-drivers          11.2.2-1       OK
> mesa                 11.2.2-1       OK
> mesa-demos           8.3.0-1        OK
> xorg-server          1.18.2-1       OK
>
> $ glxinfo | grep -e 'Video memory:'
>     Video memory: -113MB
>

It seems still the same problem with dri-drivers
https://sourceware.org/ml/cygwin/2016-04/msg00283.html

probably caused by LLVM 3.7

Regards
Marco

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