[kmail2] [Bug 371736] New: Kmail crash and high CPU usage

Thu Oct 27 10:34:21 BST 2016

https://bugs.kde.org/show_bug.cgi?id=371736

            Bug ID: 371736
           Summary: Kmail crash and high CPU usage
           Product: kmail2
           Version: unspecified
          Platform: Archlinux Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: mustaqim.malim at live.com
  Target Milestone: ---

Application: kmail (5.3.0 (QtWebEngine))

Qt Version: 5.7.0
Frameworks Version: 5.27.0
Operating System: Linux 4.8.4-1-MANJARO x86_64
Distribution: "Manjaro Linux"

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

Every time I Exit the application, also there's a high cpu usage by
'akonadi_maildispatcher_agent' in the background after I've closed Kmail.

The crash can be reproduced every time.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f1d99718580 (LWP 7043))]

Thread 9 (Thread 0x7f1c37852700 (LWP 7620)):
#0  0x00007f1d8c2ad10f in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1d8744e5f3 in  () at /usr/lib/libQt5WebKit.so.5
#2  0x00007f1d87786911 in  () at /usr/lib/libQt5WebKit.so.5
#3  0x00007f1d8c2a7454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1d965e07df in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f1c38053700 (LWP 7619)):
#0  0x00007f1d8c2ad10f in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1d8744e5f3 in  () at /usr/lib/libQt5WebKit.so.5
#2  0x00007f1d87786911 in  () at /usr/lib/libQt5WebKit.so.5
#3  0x00007f1d8c2a7454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1d965e07df in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f1c38854700 (LWP 7618)):
#0  0x00007f1d8c2ad10f in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1d8744e5f3 in  () at /usr/lib/libQt5WebKit.so.5
#2  0x00007f1d87786911 in  () at /usr/lib/libQt5WebKit.so.5
#3  0x00007f1d8c2a7454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1d965e07df in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f1c2c7ef700 (LWP 7617)):
#0  0x00007f1d8c2ad10f in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1d8744d4a1 in  () at /usr/lib/libQt5WebKit.so.5
#2  0x00007f1d87786911 in  () at /usr/lib/libQt5WebKit.so.5
#3  0x00007f1d8c2a7454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1d965e07df in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f1c2a5de700 (LWP 7616)):
#0  0x00007f1d8c2ad10f in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1d8775577b in  () at /usr/lib/libQt5WebKit.so.5
#2  0x00007f1d877557b9 in  () at /usr/lib/libQt5WebKit.so.5
#3  0x00007f1d8c2a7454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1d965e07df in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f1cd1264700 (LWP 7104)):
#0  0x00007f1d8c2ad10f in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1d7c187ac4 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f1d7c187b09 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f1d8c2a7454 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f1d965e07df in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f1d2ffff700 (LWP 7064)):
#0  0x00007f1d8c2ad10f in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f1d82114c35 in  () at /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007f1d82114d05 in  () at /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007f1d820f5d03 in  () at /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007f1d82107f54 in  () at /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007f1d820f1ee5 in  () at /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007f1d82120d6a in  () at /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007f1d8211d0dc in  () at /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007f1d8c2a7454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f1d965e07df in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f1d5fc46700 (LWP 7047)):
#0  0x00007f1d965d748d in poll () at /usr/lib/libc.so.6
#1  0x00007f1d8a725786 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f1d8a72589c in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f1d9711072b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f1d970ba23a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f1d96edd0f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f1d95510e55 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f1d96ee1d78 in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f1d8c2a7454 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f1d965e07df in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f1d99718580 (LWP 7043)):
[KCrash Handler]
#6  0x00007f1d97613a66 in QWindow::setVisible(bool) () at
/usr/lib/libQt5Gui.so.5
#7  0x00007f1d97614995 in QWindow::destroy() () at /usr/lib/libQt5Gui.so.5
#8  0x00007f1d97dd30f7 in QWidgetPrivate::deleteTLSysExtra() () at
/usr/lib/libQt5Widgets.so.5
#9  0x00007f1d97dd7fb0 in QWidget::destroy(bool, bool) () at
/usr/lib/libQt5Widgets.so.5
#10 0x00007f1d97dde8b7 in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#11 0x00007f1d97ece379 in QLabel::~QLabel() () at /usr/lib/libQt5Widgets.so.5
#12 0x00007f1d8d350545 in  () at /usr/lib/libQt5WebEngineWidgets.so.5
#13 0x00007f1d8d350579 in  () at /usr/lib/libQt5WebEngineWidgets.so.5
#14 0x00007f1d9652d990 in __run_exit_handlers () at /usr/lib/libc.so.6
#15 0x00007f1d9652d9ea in  () at /usr/lib/libc.so.6
#16 0x00007f1d96518298 in __libc_start_main () at /usr/lib/libc.so.6
#17 0x000000000040403a in _start ()

Reported using DrKonqi

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