[Konsole-devel] [Bug 302715] New: crash during session deletion.

[George R. Goffe]

https://bugs.kde.org/show_bug.cgi?id=302715

            Bug ID: 302715
          Severity: crash
           Version: 2.8.3
          Priority: NOR
          Assignee: konsole-devel at kde.org
           Summary: crash during session deletion.
    Classification: Unclassified
                OS: Linux
          Reporter: grgoffe at yahoo.com
          Hardware: Fedora RPMs
            Status: UNCONFIRMED
         Component: general
           Product: konsole

Application: konsole (2.8.3)
KDE Platform Version: 4.8.3 (4.8.3)
Qt Version: 4.8.2
Operating System: Linux 3.3.8-1.fc16.x86_64.debug x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
This usually happens if you delete sessions quickly. It's EASY TO CREATE.
Create multiple sessions (say 10 or 20). Hold ctrl-d down...

I was NOT doing this for this crash, hence the new bug.

The crash can be reproduced some of the time.

-- Backtrace:
Application: Konsole (konsole), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
82    T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7fa4b49eb840 (LWP 5809))]

Thread 2 (Thread 0x7fa4a8fb5700 (LWP 5923)):
#0  0x00000033a98e85c3 in __GI___poll (fds=<optimized out>, nfds=<optimized
out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00000033abc45448 in g_main_context_poll (n_fds=1, fds=0x7fa49c002400,
priority=<optimized out>, timeout=-1, context=0x7fa49c0009a0) at gmain.c:3402
#2  g_main_context_iterate (context=0x7fa49c0009a0, block=<optimized out>,
dispatch=1, self=<optimized out>) at gmain.c:3084
#3  0x00000033abc4590c in g_main_context_iteration (context=0x7fa49c0009a0,
may_block=1) at gmain.c:3152
#4  0x00000036d21a9246 in QEventDispatcherGlib::processEvents
(this=0x7fa49c0008c0, flags=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:426
#5  0x00000036d2179312 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#6  0x00000036d2179567 in QEventLoop::exec (this=0x7fa4a8fb4d10, flags=...) at
kernel/qeventloop.cpp:204
#7  0x00000036d2078b87 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#8  0x00000036d2158f9f in QInotifyFileSystemWatcherEngine::run (this=0xbedd90)
at io/qfilesystemwatcher_inotify.cpp:248
#9  0x00000036d207bbcb in QThreadPrivate::start (arg=0xbedd90) at
thread/qthread_unix.cpp:307
#10 0x00000033aa007d90 in start_thread (arg=0x7fa4a8fb5700) at
pthread_create.c:309
#11 0x00000033a98f0f5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x7fa4b49eb840 (LWP 5809)):
[KCrash Handler]
#6  q_func (this=0x0) at ../../src/gui/kernel/qwidget_p.h:362
#7  QWidgetPrivate::assignedInputContext (this=0x0) at kernel/qwidget.cpp:422
#8  0x00000036d4a081a9 in QWidgetPrivate::inputContext (this=<optimized out>)
at kernel/qwidget.cpp:435
#9  0x00000036d4a68c9a in QKeyMapperPrivate::translateKeyEvent (this=0xa2df90,
keyWidget=0x11b8a90, event=0x7fffdd740c40, grab=false) at
kernel/qkeymapper_x11.cpp:1724
#10 0x00000036d4a44ce4 in QApplication::x11ProcessEvent (this=0x7fffdd741080,
event=0x7fffdd740c40) at kernel/qapplication_x11.cpp:3539
#11 0x00000036d4a6cb2c in x11EventSourceDispatch (s=0x9c2aa0, callback=0,
user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148
#12 0x00000033abc44f3d in g_main_dispatch (context=0x9c1800) at gmain.c:2441
#13 g_main_context_dispatch (context=0x9c1800) at gmain.c:3011
#14 0x00000033abc45738 in g_main_context_iterate (context=0x9c1800,
block=<optimized out>, dispatch=1, self=<optimized out>) at gmain.c:3089
#15 0x00000033abc4590c in g_main_context_iteration (context=0x9c1800,
may_block=1) at gmain.c:3152
#16 0x00000036d21a91df in QEventDispatcherGlib::processEvents (this=0x984ec0,
flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#17 0x00000036d4a6c81e in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=<optimized out>) at
kernel/qguieventdispatcher_glib.cpp:207
#18 0x00000036d2179312 in QEventLoop::processEvents (this=<optimized out>,
flags=...) at kernel/qeventloop.cpp:149
#19 0x00000036d2179567 in QEventLoop::exec (this=0x7fffdd741010, flags=...) at
kernel/qeventloop.cpp:204
#20 0x00000036d217e225 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1187
#21 0x00000036d1c14232 in kdemain (argc=3, argv=0x7fffdd7412d8) at
/usr/src/debug/konsole-4.8.3/src/main.cpp:88
#22 0x00000033a982169d in __libc_start_main (main=0x400780 <main(int, char**)>,
argc=3, ubp_av=0x7fffdd7412d8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fffdd7412c8) at libc-start.c:226
#23 0x00000000004007b1 in _start ()

Possible duplicates by query: bug 299715.

Reported using DrKonqi

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