#47303: SIGSEGV in glx_display_free -------------------------+-------------------------------- Reporter: rjvbertin@… | Owner: macports-tickets@… Type: defect | Status: new Priority: Normal | Milestone: Component: ports | Version: 2.3.3 Keywords: | Port: mesa -------------------------+-------------------------------- Trying to use port:glxinfo on the X server running on my KUbuntu 14.04.2 LTS system, I get the following: {{{ %> env DISPLAY=patux.local:0.0 glxinfo name of display: patux.local:0.0 Error: couldn't find RGB GLX visual or fbconfig Error: couldn't find RGB GLX visual or fbconfig Segmentation fault Exit 139 }}} {{{ Process: glxinfo [83427] Path: /opt/local/bin/glxinfo Identifier: glxinfo Version: 0 Code Type: X86-64 (Native) Parent Process: tcsh [95443] Responsible: Terminal [448] User ID: 505 Date/Time: 2015-03-29 15:14:48.521 +0200 OS Version: Mac OS X 10.9.5 (13F34) Report Version: 11 Anonymous UUID: 64B814D9-356F-6F85-8341-E17C1354A330 Sleep/Wake UUID: 3ED5D38F-1899-4189-AEEE-E2781F354C9B Crashed Thread: 0 Dispatch queue: com.apple.main-thread Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000010 VM Regions Near 0x10: --> __TEXT 000000010b8c4000-000000010b8ca000 [ 24K] r-x/rwx SM=COW /Volumes/VOLUME/* Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 libGL.1.dylib 0x000000010b8d7897 glx_display_free + 14 1 libGL.1.dylib 0x000000010b8d77cc __glXCloseDisplay + 111 2 libX11.6.dylib 0x000000010b9698da XCloseDisplay + 156 3 glxinfo 0x000000010b8c670c main + 2667 4 libdyld.dylib 0x00007fff9158f5fd start + 1 }}} mesa is @10.4.4_2 . Doing this from my 10.6 VM glxinfo just exits, without crashing. And that's of course the correct thing to do. -- Ticket URL: <https://trac.macports.org/ticket/47303> MacPorts <https://www.macports.org/> Ports system for OS X