[plasmashell] [Bug 362677] Crashes on changing activity

[Aayush Agarwal via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=362677

--- Comment #2 from Aayush Agarwal  ---
I get that it's a duplicate but which version of Plasma has this been fixed in?
I'm still getting this bug as of 5.6.4.

Application: plasmashell (5.6.4)

Qt Version: 5.6.0
Frameworks Version: 5.22.0
Operating System: Linux 4.6.2-1-default x86_64
Distribution: "openSUSE Tumbleweed (20160621) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:
Using meta+tab to switch between activities.
- Unusual behavior I noticed:
One of my activities was missing

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe1c85c58c0 (LWP 2761))]

Thread 35 (Thread 0x7fe1b2785700 (LWP 2770)):
#0  0x7fe1c19d5a1d in poll () at /lib64/libc.so.6
#1  0x7fe1c69bc410 in  () at /usr/lib64/libxcb.so.1
#2  0x7fe1c69be1a9 in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x7fe1b5119ef9 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x7fe1c20d2868 in  () at /usr/lib64/libQt5Core.so.5
#5  0x7fe1c11d8474 in start_thread () at /lib64/libpthread.so.0
#6  0x7fe1c19de3ed in clone () at /lib64/libc.so.6

Thread 34 (Thread 0x7fe1abfff700 (LWP 2775)):
#0  0x7fe1c19d5a1d in poll () at /lib64/libc.so.6
#1  0x7fe1be068186 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x7fe1be06828c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x7fe1c22feedb in
QEventDispatcherGlib::processEvents(QFlags) ()
at /usr/lib64/libQt5Core.so.5
#4  0x7fe1c22a6b3a in
QEventLoop::exec(QFlags) () at
/usr/lib64/libQt5Core.so.5
#5  0x7fe1c20cd963 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x7fe1c30a1815 in  () at /usr/lib64/libQt5DBus.so.5
#7  0x7fe1c20d2868 in  () at /usr/lib64/libQt5Core.so.5
#8  0x7fe1c11d8474 in start_thread () at /lib64/libpthread.so.0
#9  0x7fe1c19de3ed in clone () at /lib64/libc.so.6

Thread 33 (Thread 0x7fe1aadee700 (LWP 2860)):
#0  0x7fe1be067a4e in g_main_context_query () at
/usr/lib64/libglib-2.0.so.0
#1  0x7fe1be068100 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x7fe1be06828c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x7fe1c22feedb in
QEventDispatcherGlib::processEvents(QFlags) ()
at /usr/lib64/libQt5Core.so.5
#4  0x7fe1c22a6b3a in
QEventLoop::exec(QFlags) () at
/usr/lib64/libQt5Core.so.5
#5  0x7fe1c20cd963 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x7fe1c5468ac5 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x7fe1c20d2868 in  () at /usr/lib64/libQt5Core.so.5
#8  0x7fe1c11d8474 in start_thread () at /lib64/libpthread.so.0
#9  0x7fe1c19de3ed in clone () at /lib64/libc.so.6

Thread 32 (Thread 0x7fe197ce1700 (LWP 2877)):
#0  0x7fe1be0aad69 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x7fe1be068278 in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#2  0x7fe1c22feedb in
QEventDispatcherGlib::processEvents(QFlags) ()
at /usr/lib64/libQt5Core.so.5
#3  0x7fe1c22a6b3a in
QEventLoop::exec(QFlags) () at
/usr/lib64/libQt5Core.so.5
#4  0x7fe1c20cd963 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#5  0x7fe1c5468ac5 in  () at /usr/lib64/libQt5Qml.so.5
#6  0x7fe1c20d2868 in  () at /usr/lib64/libQt5Core.so.5
#7  0x7fe1c11d8474 in start_thread () at /lib64/libpthread.so.0
#8  0x7fe1c19de3ed in clone () at /lib64/libc.so.6

Thread 31 (Thread 0x7fe196481700 (LWP 2885)):
#0  0x7fe1be0aad84 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x7fe1be068142 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x7fe1be06828c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x7fe1c22feedb in
QEventDispatcherGlib::processEvents(QFlags) ()
at /usr/lib64/libQt5Core.so.5
#4  0x7fe1c22a6b3a in
QEventLoop::exec(QFlags) () at
/usr/lib64/libQt5Core.so.5
#5  0x7fe1c20cd963 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x7fe1c5468ac5 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x7fe1c20d2868 in  () at /usr/lib64/libQt5Core.so.5
#8  0x7fe1c11d8474 in start_thread () at /lib64/libpthread.so.0
#9  0x7fe1c19de3ed in clone () at /lib64/libc.so.6

Thread 30 (Thread 0x7fe194b51700 (LWP 2916)):
#0  0x7fe1c11de09f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x7fe1c7ca4fc4 in  () at /usr/lib64/libQt5Script.so.5
#2  0x7fe1c7ca5009 in  () at /usr/lib64/libQt5Script.so.5
#3  0x7fe1c11d8474 in start_thread () at /lib64/libpthread.so.0
#4  0x7fe1c19de3ed in clone () at /lib64/libc.so.6

Thread 29 (Thread 0x7fe18df32700 (LWP 2951)):
#0  0x7fe1c19d5a1d in poll () at /lib64/libc.so.6
#1  0x7fe1be068186 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x7fe1be06828c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x7fe1c22feedb in

[kate] [Bug 364405] Crashes when closing tabs. Error is a segmentation fault.

[Aayush Agarwal via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364405

Aayush Agarwal  changed:

   What|Removed |Added

  Attachment #99568|0   |1
is obsolete||

--- Comment #12 from Aayush Agarwal  ---
Created attachment 99594
  --> https://bugs.kde.org/attachment.cgi?id=99594=edit
Re-run gdb backtrace after rebooting PC

New backtrace after rebooting my computer. Is this better?

Paste of backtrace:

Temporary breakpoint 1 at 0x443780: file
/usr/src/debug/kate-16.04.1/kate/main.cpp, line 46.
Starting program: /usr/bin/kate 
Missing separate debuginfos, use: zypper install
glibc-debuginfo-2.23-4.1.x86_64
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".

Temporary breakpoint 1, main (argc=1, argv=0x7fffdcc8) at
/usr/src/debug/kate-16.04.1/kate/main.cpp:46
46/usr/src/debug/kate-16.04.1/kate/main.cpp: No such file or directory.
Missing separate debuginfos, use: zypper install
kio-core-debuginfo-5.22.0-1.1.x86_64 kio-debuginfo-5.22.0-1.1.x86_64
krb5-debuginfo-1.14.2-1.2.x86_64 kservice-debuginfo-5.22.0-1.1.x86_64
ktexteditor-debuginfo-5.22.0-1.1.x86_64
libKF5Activities5-debuginfo-5.22.0-1.1.x86_64
libKF5Archive5-debuginfo-5.22.0-1.1.x86_64
libKF5Attica5-debuginfo-5.22.0-1.1.x86_64
libKF5Auth5-debuginfo-5.22.0-1.1.x86_64
libKF5Codecs5-debuginfo-5.22.0-1.1.x86_64
libKF5Completion5-debuginfo-5.22.0-1.1.x86_64
libKF5ConfigCore5-debuginfo-5.22.0-1.1.x86_64
libKF5ConfigGui5-debuginfo-5.22.0-1.1.x86_64
libKF5ConfigWidgets5-debuginfo-5.22.0-1.1.x86_64
libKF5CoreAddons5-debuginfo-5.22.0-1.1.x86_64
libKF5DBusAddons5-debuginfo-5.22.0-1.1.x86_64
libKF5GlobalAccel5-debuginfo-5.22.0-1.1.x86_64
libKF5GuiAddons5-debuginfo-5.22.0-1.1.x86_64
libKF5I18n5-debuginfo-5.22.0-1.1.x86_64
libKF5IconThemes5-debuginfo-5.22.0-1.1.x86_64
libKF5ItemViews5-debuginfo-5.22.0-1.1.x86_64
libKF5JobWidgets5-debuginfo-5.22.0-1.1.x86_64
libKF5Parts5-debuginfo-5.22.0-1.1.x86_64
libKF5SonnetCore5-debuginfo-5.22.0-1.1.x86_64
libKF5SonnetUi5-debuginfo-5.22.0-1.1.x86_64
libKF5TextWidgets5-debuginfo-5.22.0-1.1.x86_64
libKF5WidgetsAddons5-debuginfo-5.22.0-1.1.x86_64
libKF5WindowSystem5-debuginfo-5.22.0-1.1.x86_64
libKF5XmlGui5-debuginfo-5.22.0-1.1.x86_64
libQt5Core5-debuginfo-5.6.0-1.1.x86_64 libQt5DBus5-debuginfo-5.6.0-1.1.x86_64
libQt5Gui5-debuginfo-5.6.0-1.1.x86_64 libQt5Network5-debuginfo-5.6.0-1.1.x86_64
libQt5PrintSupport5-debuginfo-5.6.0-1.1.x86_64
libQt5Script5-debuginfo-5.6.0-1.2.x86_64 libQt5Svg5-debuginfo-5.6.0-1.1.x86_64
libQt5Widgets5-debuginfo-5.6.0-1.1.x86_64
libQt5X11Extras5-debuginfo-5.6.0-1.1.x86_64
libQt5Xml5-debuginfo-5.6.0-1.1.x86_64 libX11-6-debuginfo-1.6.3-2.14.x86_64
libXau6-debuginfo-1.0.8-6.4.x86_64 libXext6-debuginfo-1.3.3-3.16.x86_64
libacl1-debuginfo-2.2.52-8.4.x86_64 libattr1-debuginfo-2.4.47-7.81.x86_64
libbz2-1-debuginfo-1.0.6-37.57.x86_64 libcap2-debuginfo-2.22-14.82.x86_64
libcom_err2-debuginfo-1.42.13-3.4.x86_64 libcurl4-debuginfo-7.48.0-3.1.x86_64
libdbus-1-3-debuginfo-1.10.8-1.2.x86_64
libffi4-debuginfo-5.3.1+r234891-1.20.x86_64
libfreetype6-debuginfo-2.6.3-1.2.x86_64
libgcc_s1-debuginfo-5.3.1+r234891-1.20.x86_64
libgcrypt20-debuginfo-1.6.5-2.1.x86_64 libgit2-24-debuginfo-0.24.1-1.1.x86_64
libglib-2_0-0-debuginfo-2.48.1-1.1.x86_64
libgobject-2_0-0-debuginfo-2.48.1-1.1.x86_64
libgpg-error0-debuginfo-1.22-1.1.x86_64
libgraphite2-3-debuginfo-1.3.8-1.1.x86_64
libharfbuzz0-debuginfo-1.2.7-2.1.x86_64
libhttp-parser-suse0-debuginfo-2.6.2-1.1.x86_64
libicu57_1-debuginfo-57.1-1.2.x86_64 libidn11-debuginfo-1.32-1.4.x86_64
libkeyutils1-debuginfo-1.5.9-5.5.x86_64
libldap-2_4-2-debuginfo-2.4.44-18.2.x86_64 liblzma5-debuginfo-5.2.2-4.64.x86_64
libnghttp2-14-debuginfo-1.11.1-1.1.x86_64
libopenssl1_0_0-debuginfo-1.0.2h-1.2.x86_64 libpcre1-debuginfo-8.38-1.55.x86_64
libpcre16-0-debuginfo-8.38-1.55.x86_64 libpng16-16-debuginfo-1.6.22-1.1.x86_64
libpsl5-debuginfo-0.13.0-1.2.x86_64 libsasl2-3-debuginfo-2.1.26-12.2.x86_64
libselinux1-debuginfo-2.3-5.81.x86_64 libssh2-1-debuginfo-1.7.0-1.2.x86_64
libstdc++6-debuginfo-5.3.1+r234891-1.20.x86_64
libsystemd0-debuginfo-228-8.1.x86_64 libxcb-keysyms1-debuginfo-0.4.0-1.4.x86_64
libxcb1-debuginfo-1.12-1.1.x86_64 libz1-debuginfo-1.2.8-11.58.x86_64
Continuing.
[New Thread 0x7fffe3855700 (LWP 23920)]
[New Thread 0x7fffdb4ee700 (LWP 23921)]
Detaching after fork from child process 23923.
Detaching after fork from child process 23924.

Thread 1 "kate" received signal SIGSEGV, Segmentation fault.
0x73387d50 in QMetaObject::cast(QObject*) const () from
/usr/lib64/libQt5Core.so.5
Missing separate debuginfos, use: zypper install
breeze5-style-debuginfo-5.6.4-1.1.x86_64 fontconfig-debuginfo-2.11.1-6.2.x86_64
kate-plugins-debuginfo-16.04.1-1.1.x86_64
kimageformats-debuginfo-5.22.0-1.1.x86_64
konsole-part-debuginfo-16.04.1-1.1.x86_64 

[kate] [Bug 364405] Crashes when closing tabs. Error is a segmentation fault.

[Aayush Agarwal via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364405

--- Comment #11 from Aayush Agarwal  ---
Is that so? I didn't restart KDE. Should I reboot and do it again?

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[kate] [Bug 364405] Crashes when closing tabs. Error is a segmentation fault.

[Aayush Agarwal via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364405

--- Comment #9 from Aayush Agarwal  ---
Pasting gdb trace:


Continuing.
[New Thread 0x7fffe3855700 (LWP 4119)]
[New Thread 0x7fffdb4ee700 (LWP 4120)]
Detaching after fork from child process 4122.
Detaching after fork from child process 4123.

Thread 1 "kate" received signal SIGSEGV, Segmentation fault.
0x00bcca40 in ?? ()
Missing separate debuginfos, use: zypper install
breeze5-style-debuginfo-5.6.4-1.1.x86_64 fontconfig-debuginfo-2.11.1-6.2.x86_64
kate-plugins-debuginfo-16.04.1-1.1.x86_64
kimageformats-debuginfo-5.22.0-1.1.x86_64
konsole-part-debuginfo-16.04.1-1.1.x86_64 kwayland-debuginfo-5.22.0-1.1.x86_64
libFLAC8-debuginfo-1.3.1-2.4.x86_64 libHalf12-debuginfo-2.2.0-1.5.x86_64
libICE6-debuginfo-1.0.9-3.5.x86_64 libIex-2_2-12-debuginfo-2.2.0-1.5.x86_64
libIlmImf-2_2-22-debuginfo-2.2.0-1.5.x86_64
libIlmThread-2_2-12-debuginfo-2.2.0-1.5.x86_64
libKF5Bookmarks5-debuginfo-5.22.0-1.1.x86_64
libKF5ItemModels5-debuginfo-5.22.0-1.1.x86_64
libKF5NewStuff5-debuginfo-5.22.0-1.1.x86_64
libKF5Notifications5-debuginfo-5.22.0-1.1.x86_64
libKF5Pty5-debuginfo-5.22.0-1.1.x86_64 libKF5Solid5-debuginfo-5.22.0-2.1.x86_64
libKF5Style5-debuginfo-5.22.0-1.1.x86_64
libKF5ThreadWeaver5-debuginfo-5.22.0-1.1.x86_64
libSM6-debuginfo-1.2.2-5.5.x86_64 libX11-xcb1-debuginfo-1.6.3-2.14.x86_64
libXcursor1-debuginfo-1.1.14-6.5.x86_64 libXfixes3-debuginfo-5.0.2-1.1.x86_64
libXi6-debuginfo-1.7.6-1.2.x86_64 libXrender1-debuginfo-0.9.9-1.16.x86_64
libdbusmenu-qt5-2-debuginfo-0.9.3+15.10.20150604-1.4.x86_64
libexpat1-debuginfo-2.1.1-3.1.x86_64 libjasper1-debuginfo-1.900.1-169.2.x86_64
libjbig2-debuginfo-2.1-3.5.x86_64 libjpeg8-debuginfo-8.1.2-39.1.x86_64
libjson-c2-debuginfo-0.12-1.7.x86_64 liblcms2-2-debuginfo-2.7-2.1.x86_64
libmng2-debuginfo-2.0.3-1.4.x86_64 libogg0-debuginfo-1.3.2-1.4.x86_64
libphonon4qt5-debuginfo-4.9.0-1.1.x86_64
libpulse-mainloop-glib0-debuginfo-8.0-4.1.x86_64
libpulse0-debuginfo-8.0-4.1.x86_64
libqt5-qtimageformats-debuginfo-5.6.0-1.1.x86_64
libsndfile1-debuginfo-1.0.26-2.1.x86_64 libspeex1-debuginfo-1.2~rc2-2.3.x86_64
libtiff5-debuginfo-4.0.6-4.2.x86_64 libudev1-debuginfo-228-8.1.x86_64
libutempter0-debuginfo-1.1.6-8.84.x86_64 libuuid1-debuginfo-2.28-2.1.x86_64
libvorbis0-debuginfo-1.3.5-1.6.x86_64 libvorbisenc2-debuginfo-1.3.5-1.6.x86_64
libwayland-client0-debuginfo-1.11.0-1.1.x86_64
libwebp6-debuginfo-0.5.0-1.2.x86_64 libxcb-glx0-debuginfo-1.12-1.1.x86_64
libxcb-icccm4-debuginfo-0.4.1-3.5.x86_64
libxcb-image0-debuginfo-0.4.0-1.5.x86_64
libxcb-randr0-debuginfo-1.12-1.1.x86_64
libxcb-render-util0-debuginfo-0.3.9-3.4.x86_64
libxcb-render0-debuginfo-1.12-1.1.x86_64
libxcb-shape0-debuginfo-1.12-1.1.x86_64 libxcb-shm0-debuginfo-1.12-1.1.x86_64
libxcb-sync1-debuginfo-1.12-1.1.x86_64 libxcb-util1-debuginfo-0.4.0-1.5.x86_64
libxcb-xfixes0-debuginfo-1.12-1.1.x86_64
libxcb-xinerama0-debuginfo-1.12-1.1.x86_64
libxcb-xkb1-debuginfo-1.12-1.1.x86_64
libxkbcommon-x11-0-debuginfo-0.6.1-1.2.x86_64
libxkbcommon0-debuginfo-0.6.1-1.2.x86_64
plasma5-integration-plugin-debuginfo-5.6.4-1.1.x86_64

Thread 3 (Thread 0x7fffdb4ee700 (LWP 4120)):
#0  0x727c19cd in poll () at /lib64/libc.so.6
#1  0x7fffeec823f4 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x7fffeec824fc in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x733d1c5b in
QEventDispatcherGlib::processEvents(QFlags) ()
at /usr/lib64/libQt5Core.so.5
#4  0x7337d79a in
QEventLoop::exec(QFlags) () at
/usr/lib64/libQt5Core.so.5
#5  0x731b6f2c in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x737e17b5 in  () at /usr/lib64/libQt5DBus.so.5
#7  0x731bbb29 in  () at /usr/lib64/libQt5Core.so.5
#8  0x7fffef1a1454 in start_thread () at /lib64/libpthread.so.0
#9  0x727ca3fd in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fffe3855700 (LWP 4119)):
#0  0x727c19cd in poll () at /lib64/libc.so.6
#1  0x7fffef5c73f2 in  () at /usr/lib64/libxcb.so.1
#2  0x7fffef5c9147 in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x7fffe63e7969 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x731bbb29 in  () at /usr/lib64/libQt5Core.so.5
#5  0x7fffef1a1454 in start_thread () at /lib64/libpthread.so.0
#6  0x727ca3fd in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x77f8f8c0 (LWP 4097)):
#0  0x00bcca40 in  ()
#1  0x73387d39 in QMetaObject::cast(QObject*) const () at
/usr/lib64/libQt5Core.so.5
#2  0x7fffd11304c9 in  () at
/usr/lib64/qt5/plugins/ktexteditor/tabswitcherplugin.so
#3  0x7fffd11316c8 in  () at
/usr/lib64/qt5/plugins/ktexteditor/tabswitcherplugin.so
#4  0x733aa7a0 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#5  0x779c9922 in
KTextEditor::MainWindow::viewChanged(KTextEditor::View*) () at
/usr/lib64/libKF5TextEditor.so.5
#6  0x733aa7a0 in QMetaObject::activate(QObject*, int, int, void**) ()
at 

[kate] [Bug 364405] Crashes when closing tabs. Error is a segmentation fault.

[Aayush Agarwal via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364405

--- Comment #8 from Aayush Agarwal  ---
Created attachment 99568
  --> https://bugs.kde.org/attachment.cgi?id=99568=edit
gdb backtrace

Okay, gdb backtrace attached. Hope this helps.

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[kate] [Bug 364405] Crashes when closing tabs. Error is a segmentation fault.

[Aayush Agarwal via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364405

--- Comment #7 from Aayush Agarwal  ---
Actually wait, my debug repository was disabled. Creating a backtrace with gdb
now.

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[kate] [Bug 364405] Crashes when closing tabs. Error is a segmentation fault.

[Aayush Agarwal via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364405

--- Comment #6 from Aayush Agarwal  ---
Okay, I really can't find the debuginfo package on openSUSE.

$ gdb kate
...
Missing separate debuginfos, use: zypper install
kate-debuginfo-16.04.1-1.1.x86_64

$ sudo zypper in kate-debuginfo-16.04.1-1.1.x86_64
...
No provider of 'kate-debuginfo-16.04.1-1.1.x86_64' found. ['--plus-content
debug'?]

$ sudo zypper in --plus-content debug  kate-debuginfo-16.04.1-1.1.x86_64
...
Unknown option '--plus-content'

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[kate] [Bug 364405] Crashes when closing tabs. Error is a segmentation fault.

[Aayush Agarwal via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364405

--- Comment #3 from Aayush Agarwal  ---
Created attachment 99550
  --> https://bugs.kde.org/attachment.cgi?id=99550=edit
Valgrind log

I couldn't find a debuginfo package so I used valgrind to generate the
backtrace. Will this be good enough?

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[kate] [Bug 364405] Crashes when closing tabs. Error is a segmentation fault.

[Aayush Agarwal via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364405

--- Comment #1 from Aayush Agarwal  ---
Created attachment 99541
  --> https://bugs.kde.org/attachment.cgi?id=99541=edit
Strace log of kate's behaviour.

I changed most of the path and file names relating to my personal documents in
this strace log.

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[kate] [Bug 364405] Crashes when closing tabs. Error is a segmentation fault.

[Aayush Agarwal via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364405

Aayush Agarwal  changed:

   What|Removed |Added

 CC||aayush.agarwal...@yahoo.com

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[kate] [Bug 364405] New: Crashes when closing tabs. Error is a segmentation fault.

[Aayush Agarwal via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364405

Bug ID: 364405
   Summary: Crashes when closing tabs. Error is a segmentation
fault.
   Product: kate
   Version: 16.04.1
  Platform: openSUSE RPMs
OS: Linux
Status: UNCONFIRMED
  Severity: critical
  Priority: NOR
 Component: application
  Assignee: kwrite-bugs-n...@kde.org
  Reporter: aayush.agarwal...@yahoo.com

If I open a number of tabs and then close the ones I don't need then kate
crashes with a segmentation fault.

Reproducible: Always

Steps to Reproduce:
1. Open a number of tabs, this number seems to be variable. It does not seem to
matter if they are files or new tabs, but crashing seems to be more likely with
files. 
2. Start closing them when clicking on the cross on the tab.
3. Kate will crash unexpectedly.

Actual Results:  
It would close a few tabs just fine, but then it would crash to desktop. On
opening kate with the terminal I found that the crash reason was a segmentation
fault.

So if I have tabs open with unsaved data I would lose my changes.

Expected Results:  
It should just close the file and continue to work as usual, with my remaining
open tabs visible.

I ran kate over strace to generate what kate was doing in attempts to reproduce
this bug. I don't know how useful that will be but I'll upload the log anyway.

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[plasmashell] [Bug 363157] Plasma crashed on opening link

[Aayush Agarwal via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=363157

--- Comment #3 from Aayush Agarwal  ---
Thanks, I'll test it as soon as my distro ships the new version.

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[plasmashell] [Bug 363157] Plasma crashed on opening link

[Aayush Agarwal via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=363157

Aayush Agarwal  changed:

   What|Removed |Added

 CC||aayush.agarwal...@yahoo.com

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[plasmashell] [Bug 363157] New: Plasma crashed on opening link

[Aayush Agarwal via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=363157

Bug ID: 363157
   Summary: Plasma crashed on opening link
   Product: plasmashell
   Version: 5.6.3
  Platform: openSUSE RPMs
OS: Linux
Status: UNCONFIRMED
  Keywords: drkonqi
  Severity: crash
  Priority: NOR
 Component: general
  Assignee: k...@davidedmundson.co.uk
  Reporter: aayush.agarwal...@yahoo.com
CC: bhus...@gmail.com, plasma-b...@kde.org

Application: plasmashell (5.6.3)

Qt Version: 5.5.1
Frameworks Version: 5.21.0
Operating System: Linux 4.5.3-1-default x86_64
Distribution: "openSUSE Tumbleweed (20160514) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:

Opening a link from Konversation on firefox across activities.

- Unusual behavior I noticed:

One of my KDE activities was missing from the activity menu. I believe it is
related to this: https://bugs.kde.org/show_bug.cgi?id=362677

-- Backtrace:
Application: Plasma (plasmashell), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7efc6b1f98c0 (LWP 2984))]

Thread 15 (Thread 0x7efc557dc700 (LWP 2996)):
#0  0x7efc6475f07d in poll () at /lib64/libc.so.6
#1  0x7efc6963b3f2 in  () at /usr/lib64/libxcb.so.1
#2  0x7efc6963cfc7 in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x7efc57f5ddd9 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x7efc64e4c91f in  () at /usr/lib64/libQt5Core.so.5
#5  0x7efc63f60424 in start_thread () at /lib64/libpthread.so.0
#6  0x7efc64767add in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7efc4e4d7700 (LWP 3050)):
#0  0x7efc6475f07d in poll () at /lib64/libc.so.6
#1  0x7efc60e46364 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x7efc60e4646c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x7efc6507140b in
QEventDispatcherGlib::processEvents(QFlags) ()
at /usr/lib64/libQt5Core.so.5
#4  0x7efc6501b53a in
QEventLoop::exec(QFlags) () at
/usr/lib64/libQt5Core.so.5
#5  0x7efc64e47adc in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x7efc681190e5 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x7efc64e4c91f in  () at /usr/lib64/libQt5Core.so.5
#8  0x7efc63f60424 in start_thread () at /lib64/libpthread.so.0
#9  0x7efc64767add in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7efc3f255700 (LWP 3080)):
#0  0x7efc60e896c4 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x7efc60e4622d in  () at /usr/lib64/libglib-2.0.so.0
#2  0x7efc60e4646c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x7efc6507140b in
QEventDispatcherGlib::processEvents(QFlags) ()
at /usr/lib64/libQt5Core.so.5
#4  0x7efc6501b53a in
QEventLoop::exec(QFlags) () at
/usr/lib64/libQt5Core.so.5
#5  0x7efc64e47adc in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x7efc681190e5 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x7efc64e4c91f in  () at /usr/lib64/libQt5Core.so.5
#8  0x7efc63f60424 in start_thread () at /lib64/libpthread.so.0
#9  0x7efc64767add in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7efc3d970700 (LWP 3088)):
#0  0x7efc647740ef in __libc_enable_asynccancel () at /lib64/libc.so.6
#1  0x7efc6475f072 in poll () at /lib64/libc.so.6
#2  0x7efc60e46364 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x7efc60e4646c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#4  0x7efc6507140b in
QEventDispatcherGlib::processEvents(QFlags) ()
at /usr/lib64/libQt5Core.so.5
#5  0x7efc6501b53a in
QEventLoop::exec(QFlags) () at
/usr/lib64/libQt5Core.so.5
#6  0x7efc64e47adc in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x7efc681190e5 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x7efc64e4c91f in  () at /usr/lib64/libQt5Core.so.5
#9  0x7efc63f60424 in start_thread () at /lib64/libpthread.so.0
#10 0x7efc64767add in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7efc37df7700 (LWP 3089)):
#0  0x7efc63f6603f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x7efc6a8db3d4 in  () at /usr/lib64/libQt5Script.so.5
#2  0x7efc6a8db419 in  () at /usr/lib64/libQt5Script.so.5
#3  0x7efc63f60424 in start_thread () at /lib64/libpthread.so.0
#4  0x7efc64767add in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7efc34c98700 (LWP 3105)):
#0  0x7efc60e896c4 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x7efc60e45c49 in g_main_context_query () at
/usr/lib64/libglib-2.0.so.0
#2  0x7efc60e462df in  () at /usr/lib64/libglib-2.0.so.0
#3  0x7efc60e4646c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#4  0x7efc6507140b in
QEventDispatcherGlib::processEvents(QFlags) ()
at /usr/lib64/libQt5Core.so.5
#5  0x7efc6501b53a in
QEventLoop::exec(QFlags) () at
/usr/lib64/libQt5Core.so.5
#6  0x7efc64e47adc in QThread::exec() 

[plasmashell] [Bug 362677] Crashes on changing activity

[Aayush Agarwal via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=362677

Aayush Agarwal  changed:

   What|Removed |Added

 CC||aayush.agarwal...@yahoo.com

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[plasmashell] [Bug 362677] New: Crashes on changing activity

[Aayush Agarwal via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=362677

Bug ID: 362677
   Summary: Crashes on changing activity
   Product: plasmashell
   Version: 5.6.2
  Platform: openSUSE RPMs
OS: Linux
Status: UNCONFIRMED
  Keywords: drkonqi
  Severity: crash
  Priority: NOR
 Component: general
  Assignee: k...@davidedmundson.co.uk
  Reporter: aayush.agarwal...@yahoo.com
CC: bhus...@gmail.com, plasma-b...@kde.org

Application: plasmashell (5.6.2)

Qt Version: 5.5.1
Frameworks Version: 5.21.0
Operating System: Linux 4.5.2-1-default x86_64
Distribution: "openSUSE Tumbleweed (20160503) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed: Started up virt-manager, then
changed activity and the application crashed when I tried to return to the
activity virt-manager was launched in.

- Unusual behavior I noticed: The activity that caused the crash was not listed
in my list of activities for some reason. I have seen this problem in Plasma
5.5 to 5.6.3 (version at the time of this report).

- Custom settings of the application: Using keybind WIN(meta key?)+TAB to shift
through activities in normal order.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fcf7dfc58c0 (LWP 3472))]

Thread 34 (Thread 0x7fcf6767b700 (LWP 3474)):
#0  0x7fcf7752f07d in poll () at /lib64/libc.so.6
#1  0x7fcf7c40b3f2 in  () at /usr/lib64/libxcb.so.1
#2  0x7fcf7c40cfc7 in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x7fcf697cbdd9 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x7fcf77c1c91f in  () at /usr/lib64/libQt5Core.so.5
#5  0x7fcf76d30424 in start_thread () at /lib64/libpthread.so.0
#6  0x7fcf77537add in clone () at /lib64/libc.so.6

Thread 33 (Thread 0x7fcf64830700 (LWP 3505)):
#0  0x7fcf7752b04d in read () at /lib64/libc.so.6
#1  0x7fcf73c58400 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x7fcf73c15e94 in g_main_context_check () at
/usr/lib64/libglib-2.0.so.0
#3  0x7fcf73c16308 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x7fcf73c1646c in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#5  0x7fcf77e4140b in
QEventDispatcherGlib::processEvents(QFlags) ()
at /usr/lib64/libQt5Core.so.5
#6  0x7fcf77deb53a in
QEventLoop::exec(QFlags) () at
/usr/lib64/libQt5Core.so.5
#7  0x7fcf77c17adc in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x7fcf7aee90e5 in  () at /usr/lib64/libQt5Qml.so.5
#9  0x7fcf77c1c91f in  () at /usr/lib64/libQt5Core.so.5
#10 0x7fcf76d30424 in start_thread () at /lib64/libpthread.so.0
#11 0x7fcf77537add in clone () at /lib64/libc.so.6

Thread 32 (Thread 0x7fcf51b5f700 (LWP 3506)):
#0  0x7fcf76d3603f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x7fcf5d079123 in  () at /usr/lib64/dri/swrast_dri.so
#2  0x7fcf5d078fa7 in  () at /usr/lib64/dri/swrast_dri.so
#3  0x7fcf76d30424 in start_thread () at /lib64/libpthread.so.0
#4  0x7fcf77537add in clone () at /lib64/libc.so.6

Thread 31 (Thread 0x7fcf5135e700 (LWP 3507)):
#0  0x7fcf76d3603f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x7fcf5d079123 in  () at /usr/lib64/dri/swrast_dri.so
#2  0x7fcf5d078fa7 in  () at /usr/lib64/dri/swrast_dri.so
#3  0x7fcf76d30424 in start_thread () at /lib64/libpthread.so.0
#4  0x7fcf77537add in clone () at /lib64/libc.so.6

Thread 30 (Thread 0x7fcf50b5d700 (LWP 3508)):
#0  0x7fcf76d3603f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x7fcf5d079123 in  () at /usr/lib64/dri/swrast_dri.so
#2  0x7fcf5d078fa7 in  () at /usr/lib64/dri/swrast_dri.so
#3  0x7fcf76d30424 in start_thread () at /lib64/libpthread.so.0
#4  0x7fcf77537add in clone () at /lib64/libc.so.6

Thread 29 (Thread 0x7fcf5035c700 (LWP 3509)):
#0  0x7fcf76d3603f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x7fcf5d079123 in  () at /usr/lib64/dri/swrast_dri.so
#2  0x7fcf5d078fa7 in  () at /usr/lib64/dri/swrast_dri.so
#3  0x7fcf76d30424 in start_thread () at /lib64/libpthread.so.0
#4  0x7fcf77537add in clone () at /lib64/libc.so.6

Thread 28 (Thread 0x7fcf4fb5b700 (LWP 3510)):
#0  0x7fcf76d3603f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x7fcf5d079123 in  () at /usr/lib64/dri/swrast_dri.so
#2  0x7fcf5d078fa7 in  () at /usr/lib64/dri/swrast_dri.so
#3  0x7fcf76d30424 in start_thread () at /lib64/libpthread.so.0
#4  0x7fcf77537add in clone () at /lib64/libc.so.6

Thread 27 (Thread 0x7fcf4f35a700 (LWP 3511)):
#0  0x7fcf76d3603f in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x7fcf5d079123 in  () at /usr/lib64/dri/swrast_dri.so
#2  0x7fcf5d078fa7 in  () at