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List:       konq-bugs
Subject:    [konqueror] [Bug 347445] New: crash (segfault) if alt+tab while file preview displaying
From:       insaner <kdebugs () insaner ! com>
Date:       2015-05-08 20:17:40
Message-ID: bug-347445-5021 () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=347445

            Bug ID: 347445
           Summary: crash (segfault) if alt+tab while file preview
                    displaying
           Product: konqueror
           Version: unspecified
          Platform: Fedora RPMs
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: konq-bugs@kde.org
          Reporter: kdebugs@insaner.com

I open Konqueror in file browser mode. Listing can be any (list, compact, etc)
if I hover over a file, and the preview is displayed (as a popup box) and I
alt+tab while doing this, the preview remains over the other window. If the
other window is NOT a konqueror window, and I hover over the preview box,
instant konqueror crash. If I alt+tab back to any konqueror window, and hover
over the preview box, there is no crash.

Reproducible: Always

Steps to Reproduce:
1. open konqueror in file browsing mode.
2. hover over a file until preview box appears.
3. alt+tab to a non-konqueror window with the preview box still showing
4. hover over the preview box
5. crash



fedora 16
kde 4.8.5

did not happen in kde 4.6.x (can't remember what my previous kde version was)


Application: Konqueror (konqueror), signal: Segmentation fault
Using host libthread_db library "/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0xb459e780 (LWP 23640))]

Thread 2 (Thread 0xaf569b40 (LWP 23651)):
#0  0xb4ce2001 in clock_gettime () from /lib/librt.so.1
#1  0xb6462666 in ?? () from /usr/lib/libQtCore.so.4
#2  0xb654e927 in ?? () from /usr/lib/libQtCore.so.4
#3  0xb654ec8b in ?? () from /usr/lib/libQtCore.so.4
#4  0xb654d3a3 in ?? () from /usr/lib/libQtCore.so.4
#5  0xb654d43d in ?? () from /usr/lib/libQtCore.so.4
#6  0xb4bff11c in g_main_context_prepare () from /lib/libglib-2.0.so.0
#7  0xb4bffed8 in ?? () from /lib/libglib-2.0.so.0
#8  0xb4c004ef in g_main_context_iteration () from /lib/libglib-2.0.so.0
#9  0xb654df17 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQtCore.so.4
#10 0xb6519a7e in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
#11 0xb6519d29 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQtCore.so.4
#12 0xb63ffd6c in QThread::exec() () from /usr/lib/libQtCore.so.4
#13 0xb64f674e in ?? () from /usr/lib/libQtCore.so.4
#14 0xb640333a in ?? () from /usr/lib/libQtCore.so.4
#15 0xb6386cd3 in start_thread () from /lib/libpthread.so.0
#16 0xb54b0d7e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb459e780 (LWP 23640)):
[KCrash Handler]
#7  0xb651ae7c in QCoreApplication::notifyInternal(QObject*, QEvent*) () from
/usr/lib/libQtCore.so.4
#8  0xb596f71b in QApplicationPrivate::dispatchEnterLeave(QWidget*, QWidget*)
() from /usr/lib/libQtGui.so.4
#9  0xb59f8c70 in QApplication::x11ProcessEvent(_XEvent*) () from
/usr/lib/libQtGui.so.4
#10 0xb5a23e95 in ?? () from /usr/lib/libQtGui.so.4
#11 0xb4bffaff in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#12 0xb4c00240 in ?? () from /lib/libglib-2.0.so.0
#13 0xb4c004ef in g_main_context_iteration () from /lib/libglib-2.0.so.0
#14 0xb654deb8 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQtCore.so.4
#15 0xb5a23b2b in ?? () from /usr/lib/libQtGui.so.4
#16 0xb6519a7e in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
#17 0xb6519d29 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQtCore.so.4
#18 0xb651f1cb in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#19 0xb596cc85 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#20 0xb76893d0 in kdemain () from /usr/lib/libkdeinit4_konqueror.so
#21 0x0804869c in ?? ()
#22 0xb53d36b3 in __libc_start_main () from /lib/libc.so.6
#23 0x080486c1 in _start ()

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