[calligrawords] [Bug 429873] New: Calligra word crash when typing equations (using matlab style)

2020-11-30 Thread LiTuX
https://bugs.kde.org/show_bug.cgi?id=429873

Bug ID: 429873
   Summary: Calligra word crash when typing equations (using
matlab style)
   Product: calligrawords
   Version: 3.2.1
  Platform: Archlinux Packages
OS: Linux
Status: REPORTED
  Keywords: drkonqi
  Severity: crash
  Priority: NOR
 Component: general
  Assignee: calligra-words-bugs-n...@kde.org
  Reporter: li...@live.com
  Target Milestone: ---

Application: calligrawords (3.2.1)

Qt Version: 5.15.2
Frameworks Version: 5.76.0
Operating System: Linux 5.4.79-1-lts x86_64
Windowing system: X11
Distribution: "Arch Linux"

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

In calligra word, insert formula, change from latex to matlab, type sin(x),
then calligra crashed.

-- Backtrace:
Application: Calligra Words (calligrawords), signal: Segmentation fault

[KCrash Handler]
#4  0x7f6d3ccb5638 in Cauchy::DeclarationsRegistry::constant(Cauchy::String
const&) const () from /usr/lib/libCauchy.so.0.0
#5  0x7f6d3ccc0c01 in Cauchy::VariablesManager::getVariable(Cauchy::String
const&, bool) () from /usr/lib/libCauchy.so.0.0
#6  0x7f6d3ccba127 in Cauchy::Parser::parsePrimaryExpression() () from
/usr/lib/libCauchy.so.0.0
#7  0x7f6d3ccbaa6c in
Cauchy::Parser::parseExpression(Cauchy::Parser::ExpressionParseMode) () from
/usr/lib/libCauchy.so.0.0
#8  0x7f6d3ccbc353 in Cauchy::Parser::parseArguments[abi:cxx11]() () from
/usr/lib/libCauchy.so.0.0
#9  0x7f6d3ccba1c2 in Cauchy::Parser::parsePrimaryExpression() () from
/usr/lib/libCauchy.so.0.0
#10 0x7f6d3ccbaa6c in
Cauchy::Parser::parseExpression(Cauchy::Parser::ExpressionParseMode) () from
/usr/lib/libCauchy.so.0.0
#11 0x7f6d3ccbae8b in Cauchy::Parser::parseStatement() () from
/usr/lib/libCauchy.so.0.0
#12 0x7f6d3ccbc1c1 in Cauchy::Parser::parseBody() () from
/usr/lib/libCauchy.so.0.0
#13 0x7f6d3ccbc274 in Cauchy::Parser::parse() () from
/usr/lib/libCauchy.so.0.0
#14 0x7f6d3ccb0ca5 in Cauchy::Source::compile() () from
/usr/lib/libCauchy.so.0.0
#15 0x7f6d3dc881db in m2mml(std::__cxx11::basic_string, std::allocator > const&,
std::__cxx11::basic_string, std::allocator
>&, std::__cxx11::basic_string,
std::allocator >*) () from /usr/lib/libm2mml.so.0.0
#16 0x7f6d3cd6b327 in ?? () from
/usr/lib/qt/plugins/calligra/shapes/calligra_shape_formula.so
#17 0x7f6d46030e10 in ?? () from /usr/lib/libQt5Core.so.5
#18 0x7f6d46030e10 in ?? () from /usr/lib/libQt5Core.so.5
#19 0x7f6d46545742 in QWidgetLineControl::processKeyEvent(QKeyEvent*) ()
from /usr/lib/libQt5Widgets.so.5
#20 0x7f6d465396dc in QLineEdit::keyPressEvent(QKeyEvent*) () from
/usr/lib/libQt5Widgets.so.5
#21 0x7f6d464379c5 in QWidget::event(QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#22 0x7f6d463f5752 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt5Widgets.so.5
#23 0x7f6d463fcdb8 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#24 0x7f6d46a6c03a in KoApplication::notify(QObject*, QEvent*) () from
/usr/lib/libkomain.so.17
#25 0x7f6d45ff9a7a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
#26 0x7f6d4645269a in ?? () from /usr/lib/libQt5Widgets.so.5
#27 0x7f6d463f5752 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt5Widgets.so.5
#28 0x7f6d46a6c03a in KoApplication::notify(QObject*, QEvent*) () from
/usr/lib/libkomain.so.17
#29 0x7f6d45ff9a7a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
#30 0x7f6d44739474 in
QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*)
() from /usr/lib/libQt5Gui.so.5
#31 0x7f6d44712bb5 in
QWindowSystemInterface::sendWindowSystemEvents(QFlags)
() from /usr/lib/libQt5Gui.so.5
#32 0x7f6d3fc3416c in ?? () from /usr/lib/libQt5XcbQpa.so.5
#33 0x7f6d43be5914 in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#34 0x7f6d43c397d1 in ?? () from /usr/lib/libglib-2.0.so.0
#35 0x7f6d43be4121 in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#36 0x7f6d460526e1 in
QEventDispatcherGlib::processEvents(QFlags) ()
from /usr/lib/libQt5Core.so.5
#37 0x7f6d45ff83fc in
QEventLoop::exec(QFlags) () from
/usr/lib/libQt5Core.so.5
#38 0x7f6d46000894 in QCoreApplication::exec() () from
/usr/lib/libQt5Core.so.5
#39 0x7f6d46cd1139 in kdemain () from /usr/lib/libkdeinit5_calligrawords.so
#40 0x7f6d46b2c152 in __libc_start_main () from /usr/lib/libc.so.6
#41 0x55fbe444805e in _start ()
[Inferior 1 (process 111654) detached]

Reported using DrKonqi

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[okular] [Bug 408000] New: okular crashes when opening a large epub file

2019-05-27 Thread LiTuX
https://bugs.kde.org/show_bug.cgi?id=408000

Bug ID: 408000
   Summary: okular crashes when opening a large epub file
   Product: okular
   Version: 1.7.1
  Platform: Manjaro
OS: Linux
Status: REPORTED
  Severity: crash
  Priority: NOR
 Component: EPub backend
  Assignee: okular-de...@kde.org
  Reporter: li...@live.com
  Target Milestone: ---

Created attachment 120344
  --> https://bugs.kde.org/attachment.cgi?id=120344&action=edit
Output of okular when opening KritaManual.epub

SUMMARY
I've noticed that there are several similar bugs. I can confirm that some of
them have been fixed and some are not. Now I've download a large epub file
(about 74M, the krita manual), and okular always crash when I try to open it.

STEPS TO REPRODUCE
1. wget https://docs.krita.org/en/epub/KritaManual.epub
2. okular KritaManual.epub

OBSERVED RESULT
libepub (II): opening 'KritaManual.epub'
...
Error: no block found for  "file_formats/file_exr.xhtml"
Error: no block found for  "colors/linear_and_gamma.xhtml"
Error: no block found for  "blending_modes/mix.xhtml#bm-erase"
Error: no block found for  "projection/axonometric.xhtml"
libepub (II):   ../_images/Krita_2_9_brushengine_colorrate_04.png - No such
file
libepub (II):   ../_images/Krita_2_9_brushengine_colorrate_04.png - No such
file
libepub (II):   ../_images/Krita_2_9_brushengine_colorrate_04.png - No such
file
libepub (II):   ../_images/Krita_2_9_brushengine_colorrate_04.png - No such
file

[1]2534 segmentation fault (core dumped)  okular KritaManual.epub >
okular-kritamanual.log 2>&1

See attachment for detailed output of okular

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: Manjaro Linux, kernel 4.19.45-1-MANJARO
(available in About System)
KDE Plasma Version: 5.15.5
KDE Frameworks Version: 5.58.0
Qt Version: 5.12.3

ADDITIONAL INFORMATION
On my computer, the attached epub file in bug #406738 also crashed okuar.

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[cantor] [Bug 407362] New: python3 backend broke down when calling matplotlib.pyplot.plot()

2019-05-09 Thread LiTuX
https://bugs.kde.org/show_bug.cgi?id=407362

Bug ID: 407362
   Summary: python3 backend broke down when calling
matplotlib.pyplot.plot()
   Product: cantor
   Version: 19.04
  Platform: Manjaro
OS: Linux
Status: REPORTED
  Severity: major
  Priority: NOR
 Component: python3-backend
  Assignee: nlmin...@gmail.com
  Reporter: li...@live.com
CC: alexander.se...@web.de, fil...@kde.org
  Target Milestone: ---

SUMMARY
python3 backend broke down when calling matplotlib.pyplot.plot(). Cantor will
always show the following message before 'restart backend':
The name org.kde.Cantor.Python3- was not provided by any .service files

STEPS TO REPRODUCE
1. Create a python 3 worksheet;

2. Insert the following python code:
``` python
import numpy as np
import matplotlib.pyplot as plt

foo = np.random.rand(10);
```
Shift Enter to run the entry, and everything is fine;

3. Try plot something. Insert
``` python
plt.plot(foo)
```
Then Shift-Enter.

OBSERVED RESULT
The name org.kde.Cantor.Python3- was not provided by any .service files

EXPECTED RESULT
A figure with a line should be plotted below the entry.

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: Manjaro Linux, kernel 4.19.36-1-MANJARO
(available in About System)
KDE Plasma Version: 5.15.4
KDE Frameworks Version: 5.57.0
Qt Version: 5.12.3

ADDITIONAL INFORMATION

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[konsole] [Bug 380451] New: Font fallback/rendering issue when CJK text appears in some KDE applications

2017-06-02 Thread LiTuX
https://bugs.kde.org/show_bug.cgi?id=380451

Bug ID: 380451
   Summary: Font fallback/rendering issue when CJK text appears in
some KDE applications
   Product: konsole
   Version: unspecified
  Platform: unspecified
OS: Linux
Status: UNCONFIRMED
  Severity: critical
  Priority: NOR
 Component: font
  Assignee: konsole-de...@kde.org
  Reporter: li...@live.com
  Target Milestone: ---

Created attachment 105840
  --> https://bugs.kde.org/attachment.cgi?id=105840&action=edit
Text rendering in Konsole, Kate and KMail

In konsole, when text include east Asian characters, but the font do not
include glyph of those characters (e.g., the default font), text were cropped
so part of a character is invisible.

This issue exist in konsole, kate/kwrite, konquerer (when opening a text file),
but not in kmail.

To reproduce: run `echo Hello 世界` in konsole, or copy the output to kate.

The issue exist in lots of distros with KDE desktop I've tested, e.g., Kubuntu
16.04 LTS, 17.04, neon and neon LTS, debian 8.7 (with KDE 4), Archlinux, and et
al..

See attached screenshots for details.

More screenshots can be found here:
https://bugs.launchpad.net/ubuntu/+source/konsole/+bug/1667187

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