Application: plasmashell (5.2.2)
 (Compiled from sources)
Qt Version: 5.4.1
Operating System: Linux 3.19.0-15-generic i686
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:Primo avvio  dopo installazione del sistema. Ho installato il sistema Kubunto tramite lettore ottico dvd, ma non è stato possibile avviarlo a causa dell'errore

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Aborted
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb1fae980 (LWP 1552))]

Thread 15 (Thread 0xb1badb40 (LWP 1554)):
#0  0xb7768be0 in __kernel_vsyscall ()
#1  0xb4e8e3db in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0xb69603a8 in ?? () from /usr/lib/i386-linux-gnu/libxcb.so.1
#3  0xb6962394 in xcb_wait_for_event () from /usr/lib/i386-linux-gnu/libxcb.so.1
#4  0xb1d007d3 in ?? () from /usr/lib/i386-linux-gnu/qt5/plugins/platforms/libqxcb.so
#5  0xb50e97eb in ?? () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#6  0xb4b9a1aa in start_thread (arg=0xb1badb40) at pthread_create.c:333
#7  0xb4e98fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 14 (Thread 0xb0505b40 (LWP 1558)):
#0  0xb44f8a1d in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb44b0d6a in g_main_context_acquire () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb44b1eb2 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb44b2156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb53709fc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#5  0xb5311d93 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#6  0xb53121fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#7  0xb50e440d in QThread::exec() () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#8  0xb677650f in ?? () from /usr/lib/i386-linux-gnu/libQt5Qml.so.5
#9  0xb50e97eb in ?? () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#10 0xb4b9a1aa in start_thread (arg=0xb0505b40) at pthread_create.c:333
#11 0xb4e98fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 13 (Thread 0xad586b40 (LWP 1559)):
#0  0xb44f8a1d in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb44b1ef9 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb44b2156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb53709fc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#4  0xb5311d93 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#5  0xb53121fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#6  0xb50e440d in QThread::exec() () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#7  0xb677650f in ?? () from /usr/lib/i386-linux-gnu/libQt5Qml.so.5
#8  0xb50e97eb in ?? () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#9  0xb4b9a1aa in start_thread (arg=0xad586b40) at pthread_create.c:333
#10 0xb4e98fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 12 (Thread 0xabc70b40 (LWP 1563)):
#0  0xb50e13bf in QMutex::unlock() () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#1  0xb537036c in ?? () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#2  0xb44b1969 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb44b1faa in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb44b2156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb53709fc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#6  0xb5311d93 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#7  0xb53121fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#8  0xb50e440d in QThread::exec() () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#9  0xb677650f in ?? () from /usr/lib/i386-linux-gnu/libQt5Qml.so.5
#10 0xb50e97eb in ?? () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#11 0xb4b9a1aa in start_thread (arg=0xabc70b40) at pthread_create.c:333
#12 0xb4e98fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 11 (Thread 0xaabdfb40 (LWP 1564)):
#0  0xb44f8a48 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb44b140b in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb44b1f24 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb44b2156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb53709fc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#5  0xb5311d93 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#6  0xb53121fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#7  0xb50e440d in QThread::exec() () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#8  0xb677650f in ?? () from /usr/lib/i386-linux-gnu/libQt5Qml.so.5
#9  0xb50e97eb in ?? () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#10 0xb4b9a1aa in start_thread (arg=0xaabdfb40) at pthread_create.c:333
#11 0xb4e98fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 10 (Thread 0xa9b3eb40 (LWP 1565)):
#0  0xb44aecf4 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb44b187b in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb44b1faa in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb44b2156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb53709fc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#5  0xb5311d93 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#6  0xb53121fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#7  0xb50e440d in QThread::exec() () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#8  0xb677650f in ?? () from /usr/lib/i386-linux-gnu/libQt5Qml.so.5
#9  0xb50e97eb in ?? () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#10 0xb4b9a1aa in start_thread (arg=0xa9b3eb40) at pthread_create.c:333
#11 0xb4e98fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 9 (Thread 0xa8a9db40 (LWP 1566)):
#0  0xb44f8a1d in g_mutex_lock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb44b1975 in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb44b1faa in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb44b2156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb53709fc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#5  0xb5311d93 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#6  0xb53121fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#7  0xb50e440d in QThread::exec() () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#8  0xb677650f in ?? () from /usr/lib/i386-linux-gnu/libQt5Qml.so.5
#9  0xb50e97eb in ?? () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#10 0xb4b9a1aa in start_thread (arg=0xa8a9db40) at pthread_create.c:333
#11 0xb4e98fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 8 (Thread 0xa79fcb40 (LWP 1567)):
#0  0xb7768be0 in __kernel_vsyscall ()
#1  0xb4e8e3db in poll () at ../sysdeps/unix/syscall-template.S:81
#2  0xb44c1120 in g_poll () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb44b2014 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb44b2156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb53709fc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#6  0xb5311d93 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#7  0xb53121fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#8  0xb50e440d in QThread::exec() () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#9  0xb677650f in ?? () from /usr/lib/i386-linux-gnu/libQt5Qml.so.5
#10 0xb50e97eb in ?? () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#11 0xb4b9a1aa in start_thread (arg=0xa79fcb40) at pthread_create.c:333
#12 0xb4e98fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 7 (Thread 0xa695bb40 (LWP 1568)):
#0  0xb44aed82 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb44b13ab in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb44b1f24 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb44b2156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb53709fc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#5  0xb5311d93 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#6  0xb53121fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#7  0xb50e440d in QThread::exec() () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#8  0xb677650f in ?? () from /usr/lib/i386-linux-gnu/libQt5Qml.so.5
#9  0xb50e97eb in ?? () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#10 0xb4b9a1aa in start_thread (arg=0xa695bb40) at pthread_create.c:333
#11 0xb4e98fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 6 (Thread 0xa5868b40 (LWP 1569)):
#0  0xb50e0f43 in QMutex::lock() () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#1  0xb536ff40 in ?? () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#2  0xb44b141b in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb44b1f24 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb44b2156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#5  0xb53709fc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#6  0xb5311d93 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#7  0xb53121fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#8  0xb50e440d in QThread::exec() () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#9  0xb677650f in ?? () from /usr/lib/i386-linux-gnu/libQt5Qml.so.5
#10 0xb50e97eb in ?? () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#11 0xb4b9a1aa in start_thread (arg=0xa5868b40) at pthread_create.c:333
#12 0xb4e98fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 5 (Thread 0xa47cfb40 (LWP 1570)):
#0  0xb7768be0 in __kernel_vsyscall ()
#1  0xb4b9f25c in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:187
#2  0xb4ea5cf6 in __pthread_cond_wait (cond=0xb70fc8f0, mutex=0xb70fc8d8) at forward.c:149
#3  0xb6fba784 in ?? () from /usr/lib/i386-linux-gnu/libQt5Script.so.5
#4  0xb6fba7cc in ?? () from /usr/lib/i386-linux-gnu/libQt5Script.so.5
#5  0xb4b9a1aa in start_thread (arg=0xa47cfb40) at pthread_create.c:333
#6  0xb4e98fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 4 (Thread 0xa3ea6b40 (LWP 1571)):
#0  0xb44aed10 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb44b13ab in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb44b1f24 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb44b2156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb53709fc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#5  0xb5311d93 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#6  0xb53121fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#7  0xb50e440d in QThread::exec() () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#8  0xb677650f in ?? () from /usr/lib/i386-linux-gnu/libQt5Qml.so.5
#9  0xb50e97eb in ?? () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#10 0xb4b9a1aa in start_thread (arg=0xa3ea6b40) at pthread_create.c:333
#11 0xb4e98fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 3 (Thread 0xa29ffb40 (LWP 1572)):
#0  0xb44f8a48 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb44b195e in g_main_context_check () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb44b1faa in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb44b2156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0xb53709fc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#5  0xb5311d93 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#6  0xb53121fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#7  0xb50e440d in QThread::exec() () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#8  0xb677650f in ?? () from /usr/lib/i386-linux-gnu/libQt5Qml.so.5
#9  0xb50e97eb in ?? () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#10 0xb4b9a1aa in start_thread (arg=0xa29ffb40) at pthread_create.c:333
#11 0xb4e98fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 2 (Thread 0xa18abb40 (LWP 1573)):
#0  0xb44f8a48 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#1  0xb44b1f17 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0xb44b2156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0xb53709fc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#4  0xb5311d93 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#5  0xb53121fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#6  0xb50e440d in QThread::exec() () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#7  0xb73d2019 in ?? () from /usr/lib/i386-linux-gnu/libQt5Quick.so.5
#8  0xb50e97eb in ?? () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#9  0xb4b9a1aa in start_thread (arg=0xa18abb40) at pthread_create.c:333
#10 0xb4e98fde in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:122

Thread 1 (Thread 0xb1fae980 (LWP 1552)):
[KCrash Handler]
#7  0xb7768be0 in __kernel_vsyscall ()
#8  0xb4ddb057 in __GI_raise (sig=6) at ../sysdeps/unix/sysv/linux/raise.c:55
#9  0xb4ddc699 in __GI_abort () at abort.c:89
#10 0xb4dd40f7 in __assert_fail_base (fmt=0xaea70b90 "%s%s%s:%u: %s%sasserzione \"%s\" non riuscita.\n%n", assertion=0xaefc90d3 "0", file=0xaefbb788 "../../../../../../../src/mesa/drivers/dri/r200/r200_maos_arrays.c", line=101, function=0xa1972000 "") at assert.c:92
#11 0xb4dd417b in __GI___assert_fail (assertion=0xaefc90d3 "0", file=0xaefbb788 "../../../../../../../src/mesa/drivers/dri/r200/r200_maos_arrays.c", line=101, function=0xaefbb864 <__PRETTY_FUNCTION__.36996> "r200EmitArrays") at assert.c:101
#12 0xaeef6dac in r200EmitArrays (ctx=0xa1dd580, vimap_rev=0xbfa1c55d "") at ../../../../../../../src/mesa/drivers/dri/r200/r200_maos_arrays.c:101
#13 0xaef08829 in r200_run_tcl_render (ctx=0xa1dd580, stage=0xa246020) at ../../../../../../../src/mesa/drivers/dri/r200/r200_tcl.c:465
#14 0xaec69499 in _tnl_run_pipeline (ctx=0xa1dd580) at ../../../../src/mesa/tnl/t_pipeline.c:163
#15 0xaeefb519 in r200WrapRunPipeline (ctx=0xa1dd580) at ../../../../../../../src/mesa/drivers/dri/r200/r200_state.c:2335
#16 0xaec68c82 in _tnl_draw_prims (ctx=0xa1dd580, prim=0xbfa1c780, nr_prims=1, ib=0xbfa1c770, index_bounds_valid=0 '\000', min_index=0, max_index=3, tfb_vertcount=0x0, indirect=0x0) at ../../../../src/mesa/tnl/t_draw.c:517
#17 0xaec4cd0b in vbo_validated_drawrangeelements (ctx=ctx@entry=0xa1dd580, mode=mode@entry=5, index_bounds_valid=0 '\000', start=4294967295, end=4294967295, count=6, type=5123, indices=0x50, basevertex=0, numInstances=1, baseInstance=0) at ../../../../src/mesa/vbo/vbo_exec_array.c:992
#18 0xaec4d14a in vbo_exec_DrawElements (mode=5, count=6, type=5123, indices=0x50) at ../../../../src/mesa/vbo/vbo_exec_array.c:1128
#19 0xb7405e6e in QSGBatchRenderer::Renderer::renderMergedBatch(QSGBatchRenderer::Batch const*) () from /usr/lib/i386-linux-gnu/libQt5Quick.so.5
#20 0xb7407542 in QSGBatchRenderer::Renderer::renderBatches() () from /usr/lib/i386-linux-gnu/libQt5Quick.so.5
#21 0xb740c4c1 in QSGBatchRenderer::Renderer::render() () from /usr/lib/i386-linux-gnu/libQt5Quick.so.5
#22 0xb7417683 in QSGRenderer::renderScene(QSGBindable const&) () from /usr/lib/i386-linux-gnu/libQt5Quick.so.5
#23 0xb7417c30 in QSGRenderer::renderScene(unsigned int) () from /usr/lib/i386-linux-gnu/libQt5Quick.so.5
#24 0xb7427679 in QSGRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () from /usr/lib/i386-linux-gnu/libQt5Quick.so.5
#25 0xb7477465 in QQuickWindowPrivate::renderSceneGraph(QSize const&) () from /usr/lib/i386-linux-gnu/libQt5Quick.so.5
#26 0xb744357f in ?? () from /usr/lib/i386-linux-gnu/libQt5Quick.so.5
#27 0xb7444996 in ?? () from /usr/lib/i386-linux-gnu/libQt5Quick.so.5
#28 0xb7471fee in QQuickWindow::exposeEvent(QExposeEvent*) () from /usr/lib/i386-linux-gnu/libQt5Quick.so.5
#29 0xb56632c7 in QWindow::event(QEvent*) () from /usr/lib/i386-linux-gnu/sse2/libQt5Gui.so.5
#30 0xb748163a in QQuickWindow::event(QEvent*) () from /usr/lib/i386-linux-gnu/libQt5Quick.so.5
#31 0x0807c887 in DesktopView::event (this=0x9f6a250, e=0xbfa1d0b0) at ../../shell/desktopview.cpp:200
#32 0xb5c1982a in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#33 0xb5c1f081 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#34 0xb5314b8a in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#35 0xb565af54 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () from /usr/lib/i386-linux-gnu/sse2/libQt5Gui.so.5
#36 0xb565beb9 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () from /usr/lib/i386-linux-gnu/sse2/libQt5Gui.so.5
#37 0xb563e35b in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Gui.so.5
#38 0xb1d2d43e in ?? () from /usr/lib/i386-linux-gnu/qt5/plugins/platforms/libqxcb.so
#39 0xb44b1d64 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0
#40 0xb44b2089 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#41 0xb44b2156 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#42 0xb53709e4 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#43 0xb1d2d611 in ?? () from /usr/lib/i386-linux-gnu/qt5/plugins/platforms/libqxcb.so
#44 0xb5311d93 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#45 0xb53121fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#46 0xb531a315 in QCoreApplication::exec() () from /usr/lib/i386-linux-gnu/sse2/libQt5Core.so.5
#47 0xb5650a41 in QGuiApplication::exec() () from /usr/lib/i386-linux-gnu/sse2/libQt5Gui.so.5
#48 0xb5c14da4 in QApplication::exec() () from /usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#49 0x080703c0 in main (argc=3, argv=0xbfa1d544) at ../../shell/main.cpp:158

Possible duplicates by query: bug 347681, bug 346610.

Reported using DrKonqi