Public bug reported:
Binary package hint: unity-2d
Got the apport dialog that spread crashed. I manually unpacked the
apport crash file found in /var/crash then ran gdb and installed all
-dbg versions of the packages. Here is a good stacktrace:
Core was generated by `/usr/bin/unity-2d-spread'.
Program terminated with signal 6, Aborted.
#0 0x00725416 in __kernel_vsyscall ()
(gdb) bt
#0 0x00725416 in __kernel_vsyscall ()
#1 0x0271ce71 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#2 0x0272034e in abort () at abort.c:92
#3 0x02715888 in __assert_fail (
assertion=0x4812acc "(((long) (event_sequence) - (long) (dpy->request)) <=
0)",
file=0x48128ef "../../src/xcb_io.c", line=221, function=0x4812bc4
"poll_for_event")
at assert.c:81
#4 0x0479ae5a in poll_for_event (dpy=0x8af3928) at ../../src/xcb_io.c:221
#5 0x0479b245 in poll_for_response (dpy=0x8af3928) at ../../src/xcb_io.c:235
#6 0x0479b7bf in _XEventsQueued (dpy=0x8af3928, mode=2) at
../../src/xcb_io.c:304
#7 0x0478c548 in XPending (dpy=0x8af3928) at ../../src/Pending.c:55
#8 0x0046cad4 in gdk_check_xpending (source=0x8b07ba8)
at /build/buildd/gtk+2.0-2.24.3/gdk/x11/gdkevents-x11.c:159
#9 gdk_event_check (source=0x8b07ba8)
at /build/buildd/gtk+2.0-2.24.3/gdk/x11/gdkevents-x11.c:2352
#10 0x07af071d in g_main_context_check (context=0x8b07c78,
max_priority=2147483647,
fds=0x8d5c860, n_fds=11) at /build/buildd/glib2.0-2.28.4/./glib/gmain.c:2961
#11 0x07af103a in g_main_context_iterate (context=0x8b07c78, block=128981024,
dispatch=1,
self=<value optimized out>) at
/build/buildd/glib2.0-2.28.4/./glib/gmain.c:3088
#12 0x07af1524 in g_main_context_iteration (context=0x8b07c78, may_block=1)
at /build/buildd/glib2.0-2.28.4/./glib/gmain.c:3154
#13 0x0029253c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQtCore.so.4
#14 0x00d64775 in ?? () from /usr/lib/libQtGui.so.4
#15 0x00264289 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQtCore.so.4
#16 0x00264522 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQtCore.so.4
#17 0x00268ecc in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#18 0x00cae8e7 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#19 0x0804ced6 in main ()
(gdb)
** Affects: unity-2d
Importance: Undecided
Status: New
** Affects: unity-2d (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/747648
Title:
[spread] crashes in event loop
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