Bug 515128 – =media-video/guvcview-1.7.3 - segmentation fault at startup in update_ctrl_flags (control_list=control_list@entry=0x773e00, id=<optimized out>) at v4l2_controls.c:517

• Status: RESOLVED TEST-REQUEST
• Product: Gentoo Linux

[Description Karl Lindén 2014-06-25 20:56:15 UTC]

When I start =media-video/guvcview the program crashes with SIGSEGV.

Reproducible: Always

Steps to Reproduce:
1. Start guvcview either using the menu or the terminal.
2. The program segfaults.
Actual Results:  
The program dies with a segmentation fault.

Expected Results:  
The program should start properly or atleast give me an error message if something is wrong.

The bug appeared in version 1.7.3. All versions earlier in tree are unaffected by this bug.

[Comment 1 Karl Lindén 2014-06-25 20:57:13 UTC]

Oops it should be =media-video/guvcview-1.7.3 in the previous comment, not only =media-video/guvcview.

[Comment 2 Karl Lindén 2014-06-25 20:58:01 UTC]

$ emerge --info '=media-video/guvcview-1.7.3'
Portage 2.2.8-r1 (default/linux/amd64/13.0, gcc-4.9.0, glibc-2.17, 3.12.21-gentoo-r1 x86_64)
=================================================================
                         System Settings
=================================================================
System uname: Linux-3.12.21-gentoo-r1-x86_64-Intel-R-_Core-TM-_i3-2350M_CPU_@_2.30GHz-with-gentoo-2.2
KiB Mem:     3957620 total,   2705324 free
KiB Swap:    1048572 total,   1048572 free
Timestamp of tree: Sun, 22 Jun 2014 10:45:01 +0000
ld GNU ld (Gentoo 2.23.2 p1.0) 2.23.2
app-shells/bash:          4.2_p45
dev-java/java-config:     2.2.0
dev-lang/python:          2.7.6, 3.3.3
dev-util/cmake:           2.8.12.2
dev-util/pkgconfig:       0.28
sys-apps/baselayout:      2.2
sys-apps/openrc:          0.12.4
sys-apps/sandbox:         2.6-r1
sys-devel/autoconf:       2.13, 2.69
sys-devel/automake:       1.11.6, 1.12.6, 1.13.4
sys-devel/binutils:       2.23.2
sys-devel/gcc:            4.7.3-r1, 4.9.0
sys-devel/gcc-config:     1.7.3
sys-devel/libtool:        2.4.2
sys-devel/make:           3.82-r4
sys-kernel/linux-headers: 3.13 (virtual/os-headers)
sys-libs/glibc:           2.17
Repositories: gentoo stuff lilrc proaudio
ACCEPT_KEYWORDS="amd64"
ACCEPT_LICENSE="* -@EULA"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=core2 -O2 -fomit-frame-pointer -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo"
CXXFLAGS="-march=core2 -O2 -fomit-frame-pointer -pipe"
DISTDIR="/usr/portage/distfiles"
EMERGE_DEFAULT_OPTS="--ask --with-bdeps=y"
FCFLAGS="-O2 -pipe"
FEATURES="assume-digests binpkg-logs buildsyspkg config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync multilib-strict news noinfo parallel-fetch preserve-libs protect-owned sandbox sfperms strict unknown-features-warn unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync"
FFLAGS="-O2 -pipe"
GENTOO_MIRRORS="rsync://192.168.1.69/gentoo-portage/"
LANG="sv_SE.iso88591"
LDFLAGS="-Wl,-O1 -Wl,--as-needed"
MAKEOPTS="-j4"
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/home/kalle/stuff-overlay /home/kalle/lilrc-overlay /home/kalle/proaudio"
SYNC="rsync://192.168.1.69/gentoo-portage/"
USE="X a52 aac alloca amd64 aspell bluetooth cairo cd cdda cddb cdr consolekit cracklib cups curl dri dssi dvd dvdr exif ffmpeg fftw flac fltk gallium gif gimp glib gmp gnuplot gnutls gstreamer gtk gtk2 gtkstyle gudev hwdb inotify javascript jit jpeg keymap ladspa lame libkms libnotify lv2 mad mmx mp3 mpeg netifrc nls nptl ogg opengl openmp openrc orc pdf png policykit pulseaudio qt4 readline sse sse2 sse4 sse4_1 ssl ssse3 startup-notification subversion svg svn theora threads thunar tiff truetype udev udisks unicode usb v4l vlc vorbis webgl x264 xcb xfce xinerama xorg xscreensaver zlib" ABI_X86="64" CURL_SSL="gnutls" ELIBC="glibc" GRUB_PLATFORMS="pc" INPUT_DEVICES="evdev keyboard mouse synaptics" KERNEL="linux" LINGUAS="en en_GB sv sv_SE" PYTHON_SINGLE_TARGET="python3_3" PYTHON_TARGETS="python2_7 python3_3" RUBY_TARGETS="ruby20" USERLAND="GNU" VIDEO_CARDS="i965 intel" XFCE_PLUGINS="trash battery brightness"
Unset:  CPPFLAGS, CTARGET, INSTALL_MASK, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, USE_PYTHON

=================================================================
                        Package Settings
=================================================================

media-video/guvcview-1.7.3 was built with the following:
USE="-pulseaudio"
CFLAGS="-march=core2 -O2 -pipe -ggdb"
CXXFLAGS="-march=core2 -O2 -pipe -ggdb"

[Comment 3 Karl Lindén 2014-06-25 20:58:53 UTC]

Created attachment 379678 [details]
The build log

[Comment 4 Karl Lindén 2014-06-25 20:59:09 UTC]

Created attachment 379680 [details]
The gdb output

[Comment 5 Pacho Ramos 2016-03-01 17:51:19 UTC]

please retry with 2.0.3