Bug#803429: vlc: segfault on startup with Qt interface
Drew Vogel
drew.p.vogel at gmail.com
Fri Oct 30 02:31:02 UTC 2015
Package: vlc
Version: 2.2.1-4+b1
Severity: important
After running dist-upgrade to update to the latest stretch packages, vlc
started failing to launch from my file manager (nautilus). Running it from the
command line revealed a segfault. The segfault still occurs after deleting
~/.cache/vlc and ~/.config/vlc. Running vlc with the --no-xlib option avoids
the segfault. Here is the backtrace from the release package:
(gdb) bt
#0 0x00007fcfd4541f39 in XGetWindowAttributes () from /usr/lib/x86_64-linux-
gnu/libX11.so.6
#1 0x00007fcfd5a3bd8d in ?? () from /usr/lib/vlc/plugins/gui/libqt4_plugin.so
#2 0x00007fcfd595f41b in ?? () from /usr/lib/vlc/plugins/gui/libqt4_plugin.so
#3 0x00007fcfd5ac7b6b in ?? () from /usr/lib/vlc/plugins/gui/libqt4_plugin.so
#4 0x00007fcfd4b0e1c1 in QObject::event(QEvent*) () from /usr/lib/x86_64
-linux-gnu/libQt5Core.so.5
#5 0x00007fcfd53ecedb in QWidget::event(QEvent*) () from /usr/lib/x86_64
-linux-gnu/libQt5Widgets.so.5
#6 0x00007fcfd54fe37b in QMainWindow::event(QEvent*) () from /usr/lib/x86_64
-linux-gnu/libQt5Widgets.so.5
#7 0x00007fcfd53aab8c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#8 0x00007fcfd53b0230 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9 0x00007fcfd4adca8b in QCoreApplication::notifyInternal(QObject*, QEvent*)
() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007fcfd4adebc7 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007fcfd4b33a23 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fcfd3ffffe7 in g_main_context_dispatch () from /lib/x86_64-linux-
gnu/libglib-2.0.so.0
#13 0x00007fcfd4000240 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007fcfd40002ec in g_main_context_iteration () from /lib/x86_64-linux-
gnu/libglib-2.0.so.0
#15 0x00007fcfd4b33e2f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#16 0x00007fcfd4ada2ca in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64
-linux-gnu/libQt5Core.so.5
#17 0x00007fcfd4ae1e3c in QCoreApplication::exec() () from /usr/lib/x86_64
-linux-gnu/libQt5Core.so.5
#18 0x00007fcfd594d674 in ?? () from /usr/lib/vlc/plugins/gui/libqt4_plugin.so
#19 0x00007fcfd83610a4 in start_thread (arg=0x7fcfd3d8e700) at
pthread_create.c:309
#20 0x00007fcfd7e9206d in clone () at
.../sysdeps/unix/sysv/linux/x86_64/clone.S:111
This happens regardless of which video I load. For the backtrace I used a
sample file I found online[1].
[1] https://code.google.com/p/bennugd-vlc/downloads/detail?name=sintel_trailer-
480p.mp4&can=2&q=
-- System Information:
Debian Release: stretch/sid
APT prefers testing
APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 4.2.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
Versions of packages vlc depends on:
ii fonts-freefont-ttf 20120503-4
ii libaa1 1.4p5-44
ii libavcodec-ffmpeg56 7:2.8.1-1
ii libavutil-ffmpeg54 7:2.8.1-1
ii libc6 2.19-22
ii libcaca0 0.99.beta19-2
ii libcairo2 1.14.2-2
ii libegl1-mesa [libegl1-x11] 10.6.8-1
ii libfreerdp-client1.1 1.1.0~git20140921.1.440916e+dfsg1-5
ii libfreerdp-core1.1 1.1.0~git20140921.1.440916e+dfsg1-5
ii libfreerdp-gdi1.1 1.1.0~git20140921.1.440916e+dfsg1-5
ii libfreetype6 2.6-2
ii libfribidi0 0.19.7-1
ii libgcc1 1:5.2.1-22
ii libgl1-mesa-glx [libgl1] 10.6.8-1
ii libgles1-mesa [libgles1] 10.6.8-1
ii libgles2-mesa [libgles2] 10.6.8-1
ii libglib2.0-0 2.46.1-1
ii libpulse0 7.0-1
ii libqt5core5a 5.4.2+dfsg-9
ii libqt5gui5 5.4.2+dfsg-9
ii libqt5widgets5 5.4.2+dfsg-9
ii libqt5x11extras5 5.5.1-2
ii librsvg2-2 2.40.11-1
ii libsdl-image1.2 1.2.12-5+b5
ii libsdl1.2debian 1.2.15-11
ii libstdc++6 5.2.1-22
ii libva-drm1 1.6.1-1
ii libva-x11-1 1.6.1-1
ii libva1 1.6.1-1
ii libvlccore8 2.2.1-4+b1
ii libvncclient1 0.9.10+dfsg-3
ii libx11-6 2:1.6.3-1
ii libxcb-composite0 1.10-3+b1
ii libxcb-keysyms1 0.4.0-1
ii libxcb-randr0 1.10-3+b1
ii libxcb-shm0 1.10-3+b1
ii libxcb-xv0 1.10-3+b1
ii libxcb1 1.10-3+b1
ii libxext6 2:1.3.3-1
ii libxinerama1 2:1.1.3-1+b1
ii libxpm4 1:3.5.11-1+b1
ii vlc-nox 2.2.1-4+b1
ii zlib1g 1:1.2.8.dfsg-2+b1
Versions of packages vlc recommends:
ii vlc-plugin-notify 2.2.1-4+b1
ii vlc-plugin-samba 2.2.1-4+b1
ii xdg-utils 1.1.1-1
vlc suggests no packages.
Versions of packages vlc-nox depends on:
ii liba52-0.7.4 0.7.4-18
ii libasound2 1.0.29-1
ii libass5 0.13.0-1
ii libavahi-client3 0.6.31-5
ii libavahi-common3 0.6.31-5
ii libavc1394-0 0.5.4-2
ii libavcodec-ffmpeg56 7:2.8.1-1
ii libavformat-ffmpeg56 7:2.8.1-1
ii libavutil-ffmpeg54 7:2.8.1-1
ii libbasicusageenvironment0 2014.01.13-1
ii libbluray1 1:0.9.0-1
ii libc6 2.19-22
ii libcddb2 1.3.2-5
ii libcdio13 0.83-4.2
ii libchromaprint0 1.2-1+b1
ii libcrystalhd3 1:0.0~git20110715.fdd2f19-11+b1
ii libdbus-1-3 1.10.0-3
ii libdc1394-22 2.2.3-1
ii libdca0 0.0.5-7
ii libdirectfb-1.2-9 1.2.10.0-5.1
ii libdvbpsi10 1.3.0-2
ii libdvdnav4 5.0.3-1
ii libdvdread4 5.0.3-1
ii libebml4v5 1.3.3-1
ii libfaad2 2.8.0~cvs20150510-1
ii libflac8 1.3.1-4
ii libfontconfig1 2.11.0-6.3
ii libfreetype6 2.6-2
ii libfribidi0 0.19.7-1
ii libgcc1 1:5.2.1-22
ii libgcrypt20 1.6.4-3
ii libgnutls-deb0-28 3.3.18-1
ii libgpg-error0 1.20-1
ii libgroupsock1 2014.01.13-1
ii libjpeg62-turbo 1:1.4.1-2
ii libkate1 0.4.1-5
ii liblircclient0 0.9.0~pre1-1.2
ii liblivemedia23 2014.01.13-1
ii liblua5.2-0 5.2.4-1
ii libmad0 0.15.1b-8
ii libmatroska6v5 1.4.4-1
ii libmodplug1 1:0.8.8.5-2
ii libmpcdec6 2:0.1~r475-1
ii libmpeg2-4 0.5.1-7
ii libmtp9 1.1.10-1
ii libncursesw5 6.0+20150810-1
ii libogg0 1.3.2-1
ii libopus0 1.1-2
ii libpng12-0 1.2.50-2+b2
ii libpostproc-ffmpeg53 7:2.8.1-1
ii libraw1394-11 2.1.1-1
ii libresid-builder0c2a 2.1.1-14
ii libsamplerate0 0.1.8-8
ii libschroedinger-1.0-0 1.0.11-2.1
ii libshine3 3.1.0-2.1
ii libshout3 2.3.1-3
ii libsidplay2 2.1.1-14
ii libspeex1 1.2~rc1.2-1
ii libspeexdsp1 1.2~rc1.2-1
ii libssh2-1 1.5.0-2+b1
ii libstdc++6 5.2.1-22
ii libswscale-ffmpeg3 7:2.8.1-1
ii libtag1v5 1.9.1-2.4
ii libtheora0 1.1.1+dfsg.1-7
ii libtinfo5 6.0+20150810-1
ii libtwolame0 0.3.13-1.2
ii libudev1 227-2
ii libupnp6 1:1.6.19+git20141001-1
ii libusageenvironment1 2014.01.13-1
ii libvcdinfo0 0.7.24+dfsg-0.2
ii libvlc5 2.2.1-4+b1
ii libvlccore8 2.2.1-4+b1
ii libvorbis0a 1.3.4-3
ii libvorbisenc2 1.3.4-3
ii libx264-146 2:0.146.2555+git0c21480-1
ii libx265-68 1.8-3
ii libxml2 2.9.2+zdfsg1-4
ii libzvbi0 0.2.35-9
ii zlib1g 1:1.2.8.dfsg-2+b1
Versions of packages vlc-nox suggests:
pn libdvdcss2 <none>
Versions of packages libvlc5 depends on:
ii libc6 2.19-22
ii libvlccore8 2.2.1-4+b1
Versions of packages libvlccore8 depends on:
ii libc6 2.19-22
ii libdbus-1-3 1.10.0-3
ii libidn11 1.32-3
ii libproxy-tools 0.4.11-4.2
ii vlc-data 2.2.1-4
Versions of packages vlc is related to:
pn libavutil50 <none>
ii libavutil51 6:0.8.7-1
-- no debconf information
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