Bug#311720: gnomemeeting crashes with a segmentation fault when
using v4l2 (default setting)
Jason Cohen
Jason Cohen <jcohen07@brandeis.edu>, 311720@bugs.debian.org
Thu, 02 Jun 2005 17:45:37 -0400
Package: gnomemeeting
Version: 1.2.1-1
Severity: normal
I setup gnomemeeting with the default settings for my webcam. I have a
Phillips Quickcam 3000 Pro and I built the pwc driver using the
qc-usb-source package. v4l2 was selected by default, and I was able to
successfully run all tests for audio & video. At first I was able to
see a horizontal and vertical red &green lines. When i restarted
gnomemeeting I immediately began getting the segmentation faults.
The exact error is : lib: unexpected async reply (sequence 0x724)!
Segmentation fault
This error apparently was caused by the use of v4l2 which have been
told is an experimental and unstable package. What I don't understand is
why this was chosen by default. After uninstalling libpt-plugins-v4l2
the segmentation faults stopped and I was able to successfully
setup gnomemeeting with v4l. The video is perfect just as it was in
camstream. Shouldn't the user at least be warned that v4l2 is unstable,
and why isn't v4l used as the default? Doesn't it work with most
webcams?
-- System Information:
Debian Release: 3.1
APT prefers testing
APT policy: (990, 'testing'), (500, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.6.8-2-386
Locale: LANG=en_US, LC_CTYPE=en_US (charmap=ISO-8859-1)
Versions of packages gnomemeeting depends on:
ii gconf2 2.8.1-6 GNOME configuration database syste
ii libart-2.0-2 2.3.17-1 Library of functions for 2D graphi
ii libatk1.0-0 1.8.0-4 The ATK accessibility toolkit
ii libaudiofile0 0.2.6-6 Open-source version of SGI's audio
ii libbonobo2-0 2.8.1-2 Bonobo CORBA interfaces library
ii libbonoboui2- 2.8.1-2 The Bonobo UI library
ii libc6 2.3.2.ds1-22 GNU C Library: Shared libraries an
ii libebook8 1.0.4-1 Client library for evolution addre
ii libedataserve 1.0.4-1 Utily library for evolution data s
ii libesd0 0.2.35-2 Enlightened Sound Daemon - Shared
ii libgcc1 1:3.4.3-13 GCC support library
ii libgconf2-4 2.8.1-6 GNOME configuration database syste
ii libglib2.0-0 2.6.4-1 The GLib library of C routines
ii libgnome2-0 2.8.1-2 The GNOME 2 library - runtime file
ii libgnomecanva 2.8.0-1 A powerful object-oriented display
ii libgnomeui-0 2.8.1-3 The GNOME 2 libraries (User Interf
ii libgnomevfs2- 2.8.4-4 The GNOME virtual file-system libr
ii libgtk2.0-0 2.6.4-3 The GTK+ graphical user interface
ii libice6 4.3.0.dfsg.1-13 Inter-Client Exchange library
ii libldap2 2.1.30-8 OpenLDAP libraries
ii libopenh323-1 1.15.3-2 H.323 aka VoIP library
ii liborbit2 1:2.12.2-1 libraries for ORBit2 - a CORBA ORB
ii libpango1.0-0 1.8.1-1 Layout and rendering of internatio
ii libpopt0 1.7-5 lib for parsing cmdline parameters
ii libpt-1.8.3 1.8.4-1 Portable Windows Library
ii libpt-plugins 1.8.4-1 Portable Windows Library Audio Plu
ii libpt-plugins 1.8.4-1 PWLib Video Plugin for IEEE1394 (F
ii libpt-plugins 1.8.4-1 PWLib Video Plugin for IEEE1394 (F
ii libpt-plugins 1.8.4-1 Portable Windows Library Audio Plu
ii libpt-plugins 1.8.4-1 Portable Windows Library Video Plu
ii libsdl1.2debi 1.2.7+1.2.8cvs20041007-4.1 Simple DirectMedia Layer
ii libsm6 4.3.0.dfsg.1-13 X Window System Session Management
ii libstdc++5 1:3.3.5-13 The GNU Standard C++ Library v3
ii libx11-6 4.3.0.dfsg.1-13 X Window System protocol client li
ii libxml2 2.6.16-7 GNOME XML library
ii xlibs 4.3.0.dfsg.1-13 X Keyboard Extension (XKB) configu
ii zlib1g 1:1.2.2-4 compression library - runtime
--no debconf information