Bug 335928 - Opening video file crashes dragon player
Summary: Opening video file crashes dragon player
Status: RESOLVED WORKSFORME
Alias: None
Product: dragonplayer
Classification: Applications
Component: general (show other bugs)
Version: 2.0
Platform: Ubuntu Linux
: NOR crash
Target Milestone: ---
Assignee: Harald Sitter
URL:
Keywords: drkonqi
Depends on:
Blocks:
 
Reported: 2014-06-07 21:46 UTC by bugs
Modified: 2018-11-01 23:24 UTC (History)
2 users (show)

See Also:
Latest Commit:
Version Fixed In:
Sentry Crash Report:

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Description bugs 2014-06-07 21:46:36 UTC 
Application: dragon (2.0)
KDE Platform Version: 4.13.0
Qt Version: 4.8.6
Operating System: Linux 3.13.0-29-generic x86_64
Distribution: Ubuntu 14.04 LTS

-- Information about the crash:
Attempting to open most video files crashed Dragon Player. The is repeatable, however if you open multiple copies in rapid succession you may get a working instance. Other files will open though many have colour corruption.

The crash can be reproduced every time.

-- Backtrace:
Application: Dragon Player (dragon), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fcbebb027c0 (LWP 4126))]

Thread 10 (Thread 0x7fcbce398700 (LWP 4133)):
#0  0x00007fcbe8704fbd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fcbe6246031 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007fcbe623783c in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fcbe6237ece in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fcbe6237f80 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fcbe6245fe3 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fcbe27bef08 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-4.0.so
#7  0x00007fcbe59ae182 in start_thread (arg=0x7fcbce398700) at pthread_create.c:312
#8  0x00007fcbe871230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (Thread 0x7fcbd02f4700 (LWP 4134)):
#0  0x00007fcbe86d8d7d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fcbe54f54a8 in g_usleep () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcbcee3778f in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstxvimagesink.so
#3  0x00007fcbe54f3f15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fcbe59ae182 in start_thread (arg=0x7fcbd02f4700) at pthread_create.c:312
#5  0x00007fcbe871230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (Thread 0x7fcbcd0c6700 (LWP 4135)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcbe5510c07 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcbd734270c in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#3  0x00007fcbe54f489c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fcbe54f3f15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fcbe59ae182 in start_thread (arg=0x7fcbcd0c6700) at pthread_create.c:312
#6  0x00007fcbe871230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (Thread 0x7fcbc387c700 (LWP 4136)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcbe5510c07 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcbd62b9fba in gst_data_queue_push () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#3  0x00007fcbcec0954e in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#4  0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#5  0x00007fcbcc44c160 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstmpegpsdemux.so
#6  0x00007fcbcc44f3d4 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstmpegpsdemux.so
#7  0x00007fcbcc4485ac in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstmpegpsdemux.so
#8  0x00007fcbcc449b42 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstmpegpsdemux.so
#9  0x00007fcbd7342549 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#10 0x00007fcbe54f489c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fcbe54f3f15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007fcbe59ae182 in start_thread (arg=0x7fcbc387c700) at pthread_create.c:312
#13 0x00007fcbe871230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7fcbc307b700 (LWP 4137)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcbe5510c07 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcbcec0ef85 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#3  0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#4  0x00007fcbd7306e2b in gst_proxy_pad_chain_default () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#5  0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#6  0x00007fcbd7306e2b in gst_proxy_pad_chain_default () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#7  0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#8  0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#9  0x00007fcbd62af2a9 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#10 0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#11 0x00007fcbd7306e2b in gst_proxy_pad_chain_default () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#12 0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#13 0x00007fcbcd363c13 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#14 0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#15 0x00007fcbd7306e2b in gst_proxy_pad_chain_default () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#16 0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#17 0x00007fcbcec03679 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#18 0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#19 0x00007fcbd7306e2b in gst_proxy_pad_chain_default () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#20 0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#21 0x00007fcbd7306e2b in gst_proxy_pad_chain_default () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#22 0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#23 0x00007fcbd708c5ff in ?? () from /usr/lib/x86_64-linux-gnu/libgstvideo-1.0.so.0
#24 0x00007fcbd7091788 in gst_video_decoder_finish_frame () from /usr/lib/x86_64-linux-gnu/libgstvideo-1.0.so.0
#25 0x00007fcbcc01debb in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstmpeg2dec.so
#26 0x00007fcbd708ba19 in ?? () from /usr/lib/x86_64-linux-gnu/libgstvideo-1.0.so.0
#27 0x00007fcbd708bd7d in ?? () from /usr/lib/x86_64-linux-gnu/libgstvideo-1.0.so.0
#28 0x00007fcbd708df7d in ?? () from /usr/lib/x86_64-linux-gnu/libgstvideo-1.0.so.0
#29 0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#30 0x00007fcbd6291b09 in gst_base_parse_push_frame () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#31 0x00007fcbd62951c3 in gst_base_parse_finish_frame () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#32 0x00007fcbcc2327e5 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvideoparsersbad.so
#33 0x00007fcbd628f1e4 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#34 0x00007fcbd629274a in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#35 0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#36 0x00007fcbcec0aa23 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#37 0x00007fcbd7342549 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#38 0x00007fcbe54f489c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007fcbe54f3f15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007fcbe59ae182 in start_thread (arg=0x7fcbc307b700) at pthread_create.c:312
#41 0x00007fcbe871230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7fcbc2432700 (LWP 4138)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcbe5510c07 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcbd734270c in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#3  0x00007fcbe54f489c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fcbe54f3f15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fcbe59ae182 in start_thread (arg=0x7fcbc2432700) at pthread_create.c:312
#6  0x00007fcbe871230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7fcbc1281700 (LWP 4139)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcbe5510c07 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcbcec0ef85 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#3  0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#4  0x00007fcbd7306e2b in gst_proxy_pad_chain_default () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#5  0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#6  0x00007fcbd7306e2b in gst_proxy_pad_chain_default () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#7  0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#8  0x00007fcbd62af2a9 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#9  0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#10 0x00007fcbd62af2a9 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#11 0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#12 0x00007fcbd7306e2b in gst_proxy_pad_chain_default () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#13 0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#14 0x00007fcbcec0deb0 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#15 0x00007fcbd7342549 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#16 0x00007fcbe54f489c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007fcbe54f3f15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007fcbe59ae182 in start_thread (arg=0x7fcbc1281700) at pthread_create.c:312
#19 0x00007fcbe871230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7fcbc0a80700 (LWP 4140)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fcbe5510c07 in g_cond_wait () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fcbcec0ef85 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#3  0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#4  0x00007fcbd7306e2b in gst_proxy_pad_chain_default () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#5  0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#6  0x00007fcbcec19b36 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#7  0x00007fcbcec1a0b3 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#8  0x00007fcbd7314d08 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#9  0x00007fcbcec0deb0 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#10 0x00007fcbd7342549 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#11 0x00007fcbe54f489c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007fcbe54f3f15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007fcbe59ae182 in start_thread (arg=0x7fcbc0a80700) at pthread_create.c:312
#14 0x00007fcbe871230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7fcbb3fff700 (LWP 4141)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
#1  0x00007fcbe59b068d in _L_lock_1082 () from /lib/x86_64-linux-gnu/libpthread.so.0
#2  0x00007fcbe59b0607 in __GI___pthread_mutex_lock (mutex=0x2809d90) at ../nptl/pthread_mutex_lock.c:134
#3  0x00007fcbe5510991 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fcbd629ac88 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#5  0x00007fcbd629b54f in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#6  0x00007fcbd7318b5d in gst_pad_activate_mode () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#7  0x00007fcbd73192a0 in gst_pad_set_active () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#8  0x00007fcbd72fd43b in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#9  0x00007fcbd730c45c in gst_iterator_fold () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#10 0x00007fcbd72fd7ea in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#11 0x00007fcbd72ff3a6 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#12 0x00007fcbd72ff6ba in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#13 0x00007fcbd629a064 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#14 0x00007fcbcee36813 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstxvimagesink.so
#15 0x00007fcbd7301232 in gst_element_change_state () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#16 0x00007fcbd730190c in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#17 0x00007fcbd72e7659 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#18 0x00007fcbd7301232 in gst_element_change_state () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#19 0x00007fcbd730190c in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#20 0x00007fcbd72e7659 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#21 0x00007fcbd7301232 in gst_element_change_state () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#22 0x00007fcbd730190c in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#23 0x00007fcbd72e7659 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#24 0x00007fcbd7301232 in gst_element_change_state () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#25 0x00007fcbd730190c in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#26 0x00007fcbd72e7659 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#27 0x00007fcbcd34e59e in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#28 0x00007fcbd7301232 in gst_element_change_state () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#29 0x00007fcbd730190c in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#30 0x00007fcbd72e7659 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#31 0x00007fcbd731ef7b in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#32 0x00007fcbcd3484c4 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#33 0x00007fcbd7301232 in gst_element_change_state () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#34 0x00007fcbd730190c in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#35 0x00007fcbd75ea4ac in ?? () from /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_gstreamer.so
#36 0x00007fcbd75ea519 in ?? () from /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_gstreamer.so
#37 0x00007fcbd75deb5e in ?? () from /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_gstreamer.so
#38 0x00007fcbd75df1d9 in ?? () from /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_gstreamer.so
#39 0x00007fcbeabf8164 in Phonon::MediaNodePrivate::deleteBackendObject() () from /usr/lib/x86_64-linux-gnu/libphonon.so.4
#40 0x00007fcbeabe5c5e in ?? () from /usr/lib/x86_64-linux-gnu/libphonon.so.4
#41 0x00007fcbeabe5f19 in ?? () from /usr/lib/x86_64-linux-gnu/libphonon.so.4
#42 0x00007fcbe8653509 in __run_exit_handlers (status=1, listp=0x7fcbe89d66c8 <__exit_funcs>, run_list_atexit=run_list_atexit@entry=true) at exit.c:82
#43 0x00007fcbe8653555 in __GI_exit (status=<optimized out>) at exit.c:104
#44 0x00007fcbe9e38878 in qt_xio_errhandler () at kernel/qapplication_x11.cpp:783
#45 0x00007fcbeb052760 in KApplication::xioErrhandler (this=0x7fff1ca3b610, dpy=0x2a90670) at ../../kdeui/kernel/kapplication.cpp:419
#46 0x00007fcbe78715ee in _XIOError () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#47 0x00007fcbe786f76a in _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#48 0x00007fcbe7856c74 in _XGetWindowAttributes () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#49 0x00007fcbe7856de1 in XGetWindowAttributes () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#50 0x00007fcbcee3c1c9 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstxvimagesink.so
#51 0x00007fcbcee37653 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstxvimagesink.so
#52 0x00007fcbd75f86f1 in ?? () from /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_gstreamer.so
#53 0x00007fcbe917887a in QMetaObject::activate (sender=0x2894fa0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x0) at kernel/qobject.cpp:3539
#54 0x00007fcbd75ed69e in ?? () from /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_gstreamer.so
#55 0x00007fcbe4b66210 in g_cclosure_marshal_VOID__BOXEDv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#56 0x00007fcbe4b635e7 in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#57 0x00007fcbe4b7c088 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#58 0x00007fcbe4b7cce2 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#59 0x00007fcbd72ee2ea in gst_bus_sync_signal_handler () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#60 0x00007fcbd72ee54b in gst_bus_post () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#61 0x00007fcbd72fd958 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#62 0x00007fcbd72e3a0e in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#63 0x00007fcbd731e85c in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#64 0x00007fcbcd343f4a in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#65 0x00007fcbd72e03d8 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#66 0x00007fcbd72ee54b in gst_bus_post () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#67 0x00007fcbd72fd958 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#68 0x00007fcbcd34c05e in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#69 0x00007fcbd72e03d8 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#70 0x00007fcbd72ee54b in gst_bus_post () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#71 0x00007fcbd72fd958 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#72 0x00007fcbd72e3a0e in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#73 0x00007fcbd72e03d8 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#74 0x00007fcbd72ee54b in gst_bus_post () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#75 0x00007fcbd72fd958 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#76 0x00007fcbd72e3a0e in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#77 0x00007fcbd72e03d8 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#78 0x00007fcbd72ee54b in gst_bus_post () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#79 0x00007fcbd72fd958 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#80 0x00007fcbd72e3a0e in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#81 0x00007fcbd72e03d8 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#82 0x00007fcbd72ee54b in gst_bus_post () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#83 0x00007fcbd72fd958 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#84 0x00007fcbcee374ac in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstxvimagesink.so
#85 0x00007fcbd629b93b in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#86 0x00007fcbcee35308 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstxvimagesink.so
#87 0x00007fcbd629638d in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#88 0x00007fcbd73136db in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#89 0x00007fcbd7313ec4 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#90 0x00007fcbd7314348 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#91 0x00007fcbd7312632 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#92 0x00007fcbd731c618 in gst_pad_push_event () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#93 0x00007fcbd62ae57d in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#94 0x00007fcbd62af435 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#95 0x00007fcbcec005fd in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#96 0x00007fcbd73136db in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#97 0x00007fcbd7313ec4 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#98 0x00007fcbd7314348 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#99 0x00007fcbd7312632 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#100 0x00007fcbd731c618 in gst_pad_push_event () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#101 0x00007fcbd62ae57d in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#102 0x00007fcbd62af435 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#103 0x00007fcbd73136db in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#104 0x00007fcbd7313ec4 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#105 0x00007fcbd7314348 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#106 0x00007fcbd7312632 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#107 0x00007fcbd731c618 in gst_pad_push_event () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#108 0x00007fcbd62ae57d in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#109 0x00007fcbd62af435 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#110 0x00007fcbd73136db in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#111 0x00007fcbd7313ec4 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#112 0x00007fcbd7314348 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#113 0x00007fcbd7312632 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#114 0x00007fcbd731c618 in gst_pad_push_event () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#115 0x00007fcbd62ae57d in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#116 0x00007fcbd62af435 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#117 0x00007fcbd73136db in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#118 0x00007fcbd7313ec4 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#119 0x00007fcbd7314348 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#120 0x00007fcbd7312632 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#121 0x00007fcbd731c618 in gst_pad_push_event () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#122 0x00007fcbd62ae57d in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#123 0x00007fcbd62af435 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#124 0x00007fcbd73136db in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#125 0x00007fcbd7313ec4 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#126 0x00007fcbd7314348 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#127 0x00007fcbd7312632 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#128 0x00007fcbd731c618 in gst_pad_push_event () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#129 0x00007fcbcec0e2c7 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#130 0x00007fcbd7342549 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#131 0x00007fcbe54f489c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#132 0x00007fcbe54f3f15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#133 0x00007fcbe59ae182 in start_thread (arg=0x7fcbb3fff700) at pthread_create.c:312
#134 0x00007fcbe871230d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7fcbebb027c0 (LWP 4126)):
[KCrash Handler]
#6  0x00007fcbe864df79 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#7  0x00007fcbe8651388 in __GI_abort () at abort.c:89
#8  0x00007fcbe8646e36 in __assert_fail_base (fmt=0x7fcbe8798718 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x7fcbe78de20d "!xcb_xlib_unknown_req_in_deq", file=file@entry=0x7fcbe78de1db "../../src/xcb_io.c", line=line@entry=179, function=function@entry=0x7fcbe78de6b0 "dequeue_pending_request") at assert.c:92
#9  0x00007fcbe8646ee2 in __GI___assert_fail (assertion=0x7fcbe78de20d "!xcb_xlib_unknown_req_in_deq", file=0x7fcbe78de1db "../../src/xcb_io.c", line=179, function=0x7fcbe78de6b0 "dequeue_pending_request") at assert.c:101
#10 0x00007fcbe786e79c in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#11 0x00007fcbe786f5c3 in _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#12 0x00007fcbe786b0cd in XSync () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#13 0x00007fcbd75f862e in ?? () from /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_gstreamer.so
#14 0x00007fcbd75f8756 in ?? () from /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_gstreamer.so
#15 0x00007fcbd75f502e in ?? () from /usr/lib/x86_64-linux-gnu/qt4/plugins/phonon_backend/phonon_gstreamer.so
#16 0x00007fcbe9dd1e2c in QApplicationPrivate::notify_helper (this=this@entry=0x23178e0, receiver=receiver@entry=0x2823a20, e=e@entry=0x7fff1ca3ab80) at kernel/qapplication.cpp:4567
#17 0x00007fcbe9dd84a0 in QApplication::notify (this=this@entry=0x7fff1ca3b610, receiver=receiver@entry=0x2823a20, e=e@entry=0x7fff1ca3ab80) at kernel/qapplication.cpp:4353
#18 0x00007fcbeb053baa in KApplication::notify (this=0x7fff1ca3b610, receiver=0x2823a20, event=0x7fff1ca3ab80) at ../../kdeui/kernel/kapplication.cpp:311
#19 0x00007fcbe91644dd in QCoreApplication::notifyInternal (this=0x7fff1ca3b610, receiver=receiver@entry=0x2823a20, event=event@entry=0x7fff1ca3ab80) at kernel/qcoreapplication.cpp:953
#20 0x00007fcbe9e1d2f1 in sendEvent (event=0x7fff1ca3ab80, receiver=0x2823a20) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#21 QWidgetPrivate::sendPendingMoveAndResizeEvents (this=0x2547f90, recursive=recursive@entry=true, disableUpdates=<optimized out>, disableUpdates@entry=true) at kernel/qwidget.cpp:7446
#22 0x00007fcbe9e1d246 in QWidgetPrivate::sendPendingMoveAndResizeEvents (this=0x24fb210, recursive=recursive@entry=true, disableUpdates=<optimized out>, disableUpdates@entry=true) at kernel/qwidget.cpp:7458
#23 0x00007fcbe9e1d246 in QWidgetPrivate::sendPendingMoveAndResizeEvents (this=0x24dd270, recursive=recursive@entry=true, disableUpdates=<optimized out>, disableUpdates@entry=true) at kernel/qwidget.cpp:7458
#24 0x00007fcbe9e1d246 in QWidgetPrivate::sendPendingMoveAndResizeEvents (this=0x24f1240, recursive=recursive@entry=true, disableUpdates=<optimized out>, disableUpdates@entry=true) at kernel/qwidget.cpp:7458
#25 0x00007fcbe9e1d246 in QWidgetPrivate::sendPendingMoveAndResizeEvents (this=0x24a7f30, recursive=recursive@entry=true, disableUpdates=<optimized out>, disableUpdates@entry=true) at kernel/qwidget.cpp:7458
#26 0x00007fcbe9e1ecfa in QWidgetPrivate::prepareToRender (this=0x24a7f30, region=..., renderFlags=...) at kernel/qwidget.cpp:5404
#27 0x00007fcbe9ea4aee in QPixmap::grabWidget (widget=0x24a7180, rect=...) at image/qpixmap.cpp:1127
#28 0x00007fcbdcf3413a in ?? () from /usr/lib/kde4/plugins/styles/oxygen.so
#29 0x00007fcbdcf2e3d1 in ?? () from /usr/lib/kde4/plugins/styles/oxygen.so
#30 0x00007fcbe917ca31 in QObject::event (this=0x28d1340, e=<optimized out>) at kernel/qobject.cpp:1156
#31 0x00007fcbe9dd1e2c in QApplicationPrivate::notify_helper (this=this@entry=0x23178e0, receiver=receiver@entry=0x28d1340, e=e@entry=0x7fff1ca3b330) at kernel/qapplication.cpp:4567
#32 0x00007fcbe9dd84a0 in QApplication::notify (this=this@entry=0x7fff1ca3b610, receiver=receiver@entry=0x28d1340, e=e@entry=0x7fff1ca3b330) at kernel/qapplication.cpp:4353
#33 0x00007fcbeb053baa in KApplication::notify (this=0x7fff1ca3b610, receiver=0x28d1340, event=0x7fff1ca3b330) at ../../kdeui/kernel/kapplication.cpp:311
#34 0x00007fcbe91644dd in QCoreApplication::notifyInternal (this=0x7fff1ca3b610, receiver=0x28d1340, event=0x7fff1ca3b330) at kernel/qcoreapplication.cpp:953
#35 0x00007fcbe9194323 in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#36 QTimerInfoList::activateTimers (this=0x2308980) at kernel/qeventdispatcher_unix.cpp:621
#37 0x00007fcbe91915f1 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:193
#38 0x00007fcbe54cee04 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007fcbe54cf048 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007fcbe54cf0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007fcbe91917a1 in QEventDispatcherGlib::processEvents (this=0x22d48d0, flags=...) at kernel/qeventdispatcher_glib.cpp:434
#42 0x00007fcbe9e73bb6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#43 0x00007fcbe91630af in QEventLoop::processEvents (this=this@entry=0x7fff1ca3b5a0, flags=...) at kernel/qeventloop.cpp:149
#44 0x00007fcbe91633a5 in QEventLoop::exec (this=this@entry=0x7fff1ca3b5a0, flags=...) at kernel/qeventloop.cpp:204
#45 0x00007fcbe9168b79 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1225
#46 0x0000000000419530 in ?? ()
#47 0x00007fcbe8638ec5 in __libc_start_main (main=0x419020, argc=2, argv=0x7fff1ca3b738, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff1ca3b728) at libc-start.c:287
#48 0x0000000000419576 in _start ()

Possible duplicates by query: bug 335915.

Reported using DrKonqi
Comment 1 Andrew Crouthamel 2018-10-31 03:59:09 UTC 
Dear Bug Submitter,

This bug has been stagnant for a long time. Could you help us out and re-test if the bug is valid in the latest version? I am setting the status to NEEDSINFO pending your response, please change the Status back to REPORTED when you respond.

Thank you for helping us make KDE software even better for everyone!
Comment 2 bugs 2018-11-01 23:06:10 UTC 
I can't recreate this bug any more. I no longer have a 14.04 system and 18.04 seems to work.
Comment 3 Andrew Crouthamel 2018-11-01 23:24:39 UTC 
Thanks for the update!