From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 122237 invoked by alias); 24 May 2016 01:26:17 -0000 Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Received: (qmail 122226 invoked by uid 89); 24 May 2016 01:26:15 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.7 required=5.0 tests=AWL,BAYES_20,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,SPF_PASS autolearn=ham version=3.3.2 spammy=Video, OpenGL, opengl, sk:cygwin_ X-HELO: mail-wm0-f54.google.com Received: from mail-wm0-f54.google.com (HELO mail-wm0-f54.google.com) (74.125.82.54) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES128-GCM-SHA256 encrypted) ESMTPS; Tue, 24 May 2016 01:26:13 +0000 Received: by mail-wm0-f54.google.com with SMTP id n129so5116941wmn.1 for ; Mon, 23 May 2016 18:26:13 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to; bh=HyL5jrOnKqOvLqlmU8mUWxOm9HBG+hXJUyhs3Grl73g=; b=SepiW5whrvseBNZ4VmP4ppJS2ygeRRiJ4I4hCVZXbzK2ugMHzFw8/nslZUMA3iAEVK uSAbv1LuKk2YfySIGyoJBwUfcob+hi/pYK4/khXQtttMWv1bSaLkguhcTEzQMKPbaK8u 5XS3gcLXhAiuTFSACltmMXRf9120p6qG2eTW1z7UvWgx3/nC/OHc+GbodUi/DwstMNPj MHR/mbWy6FhUJl1eDrbjGushVV9eGaix2vYgQ/TpbcOdx4FasVKNRhyKNzS+2NuX3ejy F0dRgpy5IvHuvb+96fmwlT5wGPCtvp1kNPY5pdN1tBStK3G7E1B9VausMh0bGyhJDPmO fjjw== X-Gm-Message-State: ALyK8tIf5bAA+wiN/6089UM89HF/BLVQOFiLFgjZ9M+FG12CsAVlv+2s6obACycLK4PIuUT0NyN3TmohwN0mzg== MIME-Version: 1.0 X-Received: by 10.194.112.6 with SMTP id im6mr1677075wjb.48.1464053170627; Mon, 23 May 2016 18:26:10 -0700 (PDT) Received: by 10.28.86.86 with HTTP; Mon, 23 May 2016 18:26:10 -0700 (PDT) In-Reply-To: <2026486348.2432030.1464050301698.JavaMail.yahoo@mail.yahoo.com> References: <2026486348.2432030.1464050301698.JavaMail.yahoo.ref@mail.yahoo.com> <2026486348.2432030.1464050301698.JavaMail.yahoo@mail.yahoo.com> Date: Tue, 24 May 2016 01:26:00 -0000 Message-ID: Subject: Re: changes in 32-bit Cygwin OpenGL causing crashes? From: KIMURA Masaru To: cygwin@cygwin.com Content-Type: text/plain; charset=UTF-8 X-IsSubscribed: yes X-SW-Source: 2016-05/txt/msg00275.txt.bz2 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 $ gdb glxgears ... Reading symbols from glxgears...Reading symbols from /usr/lib/debug//usr/lib/mesa-demos/glxgears.exe.dbg...done. done. (gdb) r Starting program: /usr/bin/glxgears [New Thread 2452.0xc3c] [New Thread 2452.0x2760] [New Thread 2452.0x212c] [New Thread 2452.0x1930] [New Thread 2452.0x207c] [New Thread 2452.0x22e4] [New Thread 2452.0x25dc] [New Thread 2452.0x19ec] Program received signal SIGSEGV, Segmentation fault. 0xfeac00b5 in ?? () (gdb) bt #0 0xfeac00b5 in ?? () #1 0x5e62b977 in gallium_dri!__driDriverGetExtensions_swrast () from C:/cygwin/lib/dri/swrast_dri.so #2 0x5e62bcff in gallium_dri!__driDriverGetExtensions_swrast () from C:/cygwin/lib/dri/swrast_dri.so #3 0x5e54ea9d in gallium_dri!__driDriverGetExtensions_swrast () from C:/cygwin/lib/dri/swrast_dri.so #4 0x5e5477ed in gallium_dri!__driDriverGetExtensions_swrast () from C:/cygwin/lib/dri/swrast_dri.so #5 0x5e547c77 in gallium_dri!__driDriverGetExtensions_swrast () from C:/cygwin/lib/dri/swrast_dri.so #6 0x5e6714d5 in gallium_dri!__driDriverGetExtensions_swrast () from C:/cygwin/lib/dri/swrast_dri.so #7 0x5e3697d0 in gallium_dri!__driDriverGetExtensions_swrast () from C:/cygwin/lib/dri/swrast_dri.so #8 0x5e344ea7 in gallium_dri!__driDriverGetExtensions_swrast () from C:/cygwin/lib/dri/swrast_dri.so #9 0x5e20cf7e in gallium_dri!__driDriverGetExtensions_swrast () from C:/cygwin/lib/dri/swrast_dri.so #10 0x5e220edc in gallium_dri!__driDriverGetExtensions_swrast () from C:/cygwin/lib/dri/swrast_dri.so #11 0x00401396 in draw () at /usr/src/debug/mesa-demos-8.3.0-1/src/xdemos/glxgears.c:264 #12 0x0040315e in draw_gears () at /usr/src/debug/mesa-demos-8.3.0-1/src/xdemos/glxgears.c:316 #13 draw_frame (ctx=0x20052e98, win=14680066, dpy=0x2003c330) at /usr/src/debug/mesa-demos-8.3.0-1/src/xdemos/glxgears.c:341 #14 event_loop (ctx=0x20052e98, win=14680066, dpy=0x2003c330) at /usr/src/debug/mesa-demos-8.3.0-1/src/xdemos/glxgears.c:706 #15 main (argc=1, argv=0x60cc5c) at /usr/src/debug/mesa-demos-8.3.0-1/src/xdemos/glxgears.c:801 (gdb) -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple