Public bug reported: This is a followup to bug 807730.
libavg applications crash on startup on one system I have access to, but not others. Example backtrace: fader@simon:~$ gdb python GNU gdb (Ubuntu/Linaro 7.2-1ubuntu11) 7.2 Copyright (C) 2010 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "i686-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /usr/bin/python...(no debugging symbols found)...done. (gdb) run /usr/games/empcommand -w -r 800x600 Starting program: /usr/bin/python /usr/games/empcommand -w -r 800x600 [Thread debugging using libthread_db enabled] [11-07-25 10:16:16.834] APP: Setting resolution to: [800, 600] /usr/share/games/empcommand/engine.pyc /usr/share/games/empcommand/fonts [New Thread 0x5067b70 (LWP 1756)] [Thread 0x5067b70 (LWP 1756) exited] [New Thread 0x5067b70 (LWP 1757)] python: ../../src/xcb_io.c:515: _XReply: Assertion `!dpy->xcb->reply_data' failed. Program received signal SIGABRT, Aborted. 0x0012e416 in __kernel_vsyscall () (gdb) bt #0 0x0012e416 in __kernel_vsyscall () #1 0x00349e71 in raise () from /lib/i386-linux-gnu/libc.so.6 #2 0x0034d34e in abort () from /lib/i386-linux-gnu/libc.so.6 #3 0x00342888 in __assert_fail () from /lib/i386-linux-gnu/libc.so.6 #4 0x0219cdc7 in _XReply () from /usr/lib/i386-linux-gnu/libX11.so.6 #5 0x021983d7 in XSync () from /usr/lib/i386-linux-gnu/libX11.so.6 #6 0x00f6d5cf in ?? () from /usr/lib/fglrx/libGL.so.1 Backtrace stopped: previous frame inner to this frame (corrupt stack?) (gdb) This also happens with a test python session: fader@simon:~$ python Python 2.7.1+ (r271:86832, Apr 11 2011, 18:05:24) [GCC 4.5.2] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> import libavg >>> libavg.AVGApp.start(resolution=(640,480)) Segmentation fault fader@simon:~$ This system is using an ATI Radeon graphics adapter: 01:05.0 VGA compatible controller: ATI Technologies Inc RS780M/RS780MN [Radeon HD 3200 Graphics] I will attach more hardware data to this bug. Please let me know if there is more information I can provide. ProblemType: Bug DistroRelease: Ubuntu 11.04 Package: python-libavg 1.5.4-0ubuntu2 ProcVersionSignature: Ubuntu 2.6.38-10.46-generic 2.6.38.7 Uname: Linux 2.6.38-10-generic i686 NonfreeKernelModules: wl fglrx Architecture: i386 Date: Mon Jul 25 10:16:36 2011 InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1) ProcEnviron: LANGUAGE=en_US:en LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: libavg UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: libavg (Ubuntu) Importance: Undecided Status: New ** Tags: apport-bug i386 natty running-unity -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/815922 Title: libavg segfaults on startup To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libavg/+bug/815922/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs