Spyder 2.2.0dev occosionally crashes during launch

[Uwe Fechner]

Hello,

I just started to use the hg version of spyder.

I really like the support for nicely rendered formulas and integrated
matplotlib graphics in the ipython console !

Somtimes (20% to 50%) though it crashes during launch.

Did anybody else see this, too?

I am using Ubuntu 12.04, 32 bit.

I tried to follow the instruction on:
http://code.google.com/p/spyderlib/wiki/HowToDebugQtCrash

but did not get any useful information yet.

Regards:

Uwe Fechner

[Trémouilles David]

Hello,

I do have annoying crashes when using the
"project explorer". As soon as I removed it
from the window spyder start without any issue...

Regards,

David


Le 14/11/12 09:18, Uwe Fechner a �crit :

[Carlos Córdoba]

Hi Uwe,

20 to 50% of the time is a lot of time! I'm using Kubuntu 12.04 and
Spyder is working without any problem.

I have a couple of questions to you to understand what's happening:

1. How did you install our dev branch? Did you remove 2.1 before
installing 2.2dev?

2. How are you starting Spyder? If you are not using a terminal, please
open one and start Spyder from it with the command:

spyder

If it crashes, then take a look at it to see if there are any messages
printed during the startup process which can help us to debug this problem.

Cheers,
Carlos

El 14/11/12 03:18, Uwe Fechner escribió:

[Carlos Córdoba]

Hi David,

Which version of Spyder are you using?

Could you try starting Spyder from a terminal after activating the
project explorer and closing Spyder, to see which messages are printed
to it?

Thanks for your help,
Carlos

El 14/11/12 05:21, Trémouilles David escribió:

> Hello,
>
> I do have annoying crashes when using the
> "project explorer". As soon as I removed it
> from the window spyder start without any issue...
>
> Regards,
>
> David
>
>

> Le 14/11/12 09:18, Uwe Fechner a écrit :

[Uwe Fechner]

Hello,

some more results investigating this bug:

1. My system:
Ubuntu 12.04, 32 bit, using cinnamon 1.66 GUI, quad core, Intel integrated graphics, SSD
(actually the same problem on an older computer that also has Ubuntu 12.04)

2. Removed old spyder installation:
a) sudo apt-get remove spyder
b) sudo rm -r /usr/share/pyshared/spyderlib
c) sudo rm /usr/local/lib/python2.7/dist-packages/spyder-2.1.11-py2.7.egg

3. Installed with hg:
cd ~/00Software
mkdir spyder-2.2
cd spyder-2.2
hg clone https://code.google.com/p/spyderlib/
sudo apt-get install python-qt4
sudo apt-get install python-pip
sudo easy_install -U sphinx
sudo easy_install -U ipython
sudo easy_install vcs

4. Launch it:
cd ~/00Software/spyder-2.2/spyderlib
python boostrap.py --GUI=pyqt

Normal output:
ufechner@uwe-ssd:~/00Software/spyder-2.2/spyderlib$ python bootstrap.py --gui=pyqt
Executing Spyder from source checkout
Revision 6962a4a24446+:2369+, Branch: default
01. Patched sys.path with /home/ufechner/00Software/spyder-2.2/spyderlib
02. Skipping GUI toolkit detection
03. Imported Spyder 2.2.0dev (Qt 4.8.1 via PyQt4 (API v2) 4.9.1)
0x. Enforcing parent console (Windows only)
04. Executing spyder.main()

Closed Spyder manually.

After doing this 8 times it crashes:
ufechner@uwe-ssd:~/00Software/spyder-2.2/spyderlib$ python bootstrap.py --gui=pyqt
Executing Spyder from source checkout
Revision 6962a4a24446+:2369+, Branch: default
01. Patched sys.path with /home/ufechner/00Software/spyder-2.2/spyderlib
02. Skipping GUI toolkit detection
03. Imported Spyder 2.2.0dev (Qt 4.8.1 via PyQt4 (API v2) 4.9.1)
0x. Enforcing parent console (Windows only)
04. Executing spyder.main()
Speicherzugriffsfehler (Speicherabzug geschrieben)

Closed project explorer.

Restarted spyder 30 times. No crash during launch.

So the crashes seam to be related to the project explorer.
I have four projects in the project explorer.

Once it crashed when enabling the project explorer in the View->Windows and toolbars menu.

Best regards:

Uwe Fechner

Am 14.11.2012 19:07, schrieb Carlos C�rdoba:
> Hi Uwe,
>
> 20 to 50% of the time is a lot of time! I'm using Kubuntu 12.04 and Spyder is working without any
> problem.
>
> I have a couple of questions to you to understand what's happening:
>
> 1. How did you install our dev branch? Did you remove 2.1 before installing 2.2dev?
>
> 2. How are you starting Spyder? If you are not using a terminal, please open one and start Spyder
> from it with the command:
>
> spyder
>
> If it crashes, then take a look at it to see if there are any messages printed during the startup
> process which can help us to debug this problem.
>
> Cheers,
> Carlos
>

> El 14/11/12 03:18, Uwe Fechner escribi�:

[Tim Michelsen]

> 3. Installed with hg:
> cd ~/00Software
> mkdir spyder-2.2
> cd spyder-2.2
> hg clone https://code.google.com/p/spyderlib/
> sudo apt-get install python-qt4
> sudo apt-get install python-pip
> sudo easy_install -U sphinx
> sudo easy_install -U ipython
> sudo easy_install vcs

does it work if you use the package from
https://launchpad.net/~pythonxy/+archive/pythonxy-devel/+packages

[Uwe Fechner]

Hi,

these packages do not work at all.

I cannot install and cannot remove them:

Trying to install results in:

sudo dpkg -i python-spyderlib_2.2.0~ppa4~revno-1901~precise1_all.deb
[sudo] password for ufechner:
(Lese Datenbank ... 519068 Dateien und Verzeichnisse sind derzeit installiert.)
Vorbereitung zum Ersetzen von python-spyderlib 2.2.0~ppa4~revno-1901~precise1 (durch
python-spyderlib_2.2.0~ppa4~revno-1901~precise1_all.deb) ...
Ersatz f�r python-spyderlib wird entpackt ...
python-spyderlib (2.2.0~ppa4~revno-1901~precise1) wird eingerichtet ...
Trigger f�r hicolor-icon-theme werden verarbeitet ...
Trigger f�r doc-base werden verarbeitet ...
1 doc-base-Datei ver�ndert wird verarbeitet �
Fehler in �/usr/share/doc-base/python-spyderlib-manual�, Zeile 12: Alle �Format�-Abschnitte sind
ung�ltig..
�install-docs --verbose --check file_name� k�nnte weitere Einzelheiten zum oben aufgef�hrten Fehler
liefern.
Dokumente werden mit scrollkeeper registriert...
ufechner@uwe-ssd:~/Downloads$

Trying to uninstall results in:

ufechner@uwe-ssd:~/Downloads$ sudo dpkg -r python-spyderlib_2.2.0~ppa4~revno-1901~precise1_all.deb
dpkg: Fehler: package name in specifier 'python-spyderlib_2.2.0~ppa4~revno-1901~precise1_all.deb' is
illegal: Zeichen �~� nicht erlaubt (nur Buchstaben, Ziffern und die Zeichen �-+._�)
ufechner@uwe-ssd:~/Downloads$

Best regards:

Uwe Fechner

[Trémouilles David]

Hi Carlos,

I'm on MacOSx:

Spyder Version: 2.2.0dev
changeset: 2369:6962a4a24446
tag: tip
user: Pierre Raybaut <pierre....@gmail.com>
date: Fri Nov 09 22:03:23 2012 +0100

Python Version: 2.7.3
Qt Version: 4.8.3, PyQt4 (API v2) 4.9.5 on Darwin

Here is what I get on a terminal when launching spyder
with the project explorer "active":

~ $ spyder --debug
Start of MainWindow constructor
Initialisation...
End of MainWindow constructor
*** Start of MainWindow setup ***
Chargement de l'inspecteur d'objet...
Chargement de l'explorateur de structure...
Chargement de l'�diteur...
Chargement de l'explorateur de fichiers...
Chargement du journal d'historique...
Chargement de l'aide en ligne...
Chargement de l'explorateur de projet...
Chargement de la console externe...
Chargement de la console IPython...
Chargement de l'explorateur d'espace de noms...
Configuration de la fen�tre principale...
Setting up window...
*** End of MainWindow setup ***
Segmentation fault: 11

Let me know if I could test anything else for you.

Regards,

David

Le 14/11/12 19:10, Carlos C�rdoba a �crit :

> Hi David,
>
> Which version of Spyder are you using?
>
> Could you try starting Spyder from a terminal after activating the
> project explorer and closing Spyder, to see which messages are printed
> to it?
>
> Thanks for your help,
> Carlos
>

> El 14/11/12 05:21, Tr�mouilles David escribi�:

>> Hello,
>>
>> I do have annoying crashes when using the
>> "project explorer". As soon as I removed it
>> from the window spyder start without any issue...
>>
>> Regards,
>>
>> David
>>
>>

>> Le 14/11/12 09:18, Uwe Fechner a �crit :

[Tim Michelsen]

> these packages do not work at all.

they do on my 12.10 Ubuntu.

> I cannot install and cannot remove them:

could you please try using the PPA through synaptic?

[ufechner]

Hi Timmi,

on the link that you posted there is no ppa.

If I look at any other ppa webpage like this one for example:
https://launchpad.net/~gwendal-lebihan-dev/+archive/cinnamon-stable

There is in bold the name of the ppa mentioned, in this example:
"
You can update your system with unsupported packages from this untrusted PPA by adding ppa:gwendal-lebihan-dev/cinnamon-stable to your system's Software Sources. (Read about installing)
"

This information is missing on the webpage with your ppa.
Therefore I cannot know how to install it from a repository.

Best regards:

Uwe Fechner

[Tim Michelsen]

> on the link that you posted there is no ppa.

just be a bit creative and use:
https://launchpad.net/~pythonxy/+archive/pythonxy-devel/

Maybe you wanna take a look Y-PPA manager...

[Uwe Fechner]

Hello,

I was able to reproduce the bug on a freshly installed Ubuntu 12.04 in a virtual machine.

I had ipython 0.13.1 installed and I had spyder configured to open an ipython console during
start.

I was able to get a stack trace:

https://dl.dropbox.com/u/9075004/ScreenshotError.png
https://dl.dropbox.com/u/9075004/ScreenshotStacktrace.png

Any other suggestions what I should try to find the cause of the problem?

Best regards:

Uwe Fechner

[timmic...@gmx-topmail.de]

To me it appears to be a problem with the QT basis.

> Any other suggestions what I should try to find the cause of the problem?

you could try to start spyder with the debug option?

@rest of the list:
anyone else experiences this problem with the package from the PPA?

[Uwe Fechner]

Hi,
when starting with the debug option I get one error shown (sometimes, when closing
the program) which might be related or not:

ufechner@uwe-vbox:~$ spyder --debug
Start of MainWindow constructor
Initializing...

End of MainWindow constructor
*** Start of MainWindow setup ***

Loading object inspector...
Loading outline explorer...
Loading editor...
Loading file explorer...
Loading history plugin...
Loading online help...
Loading project explorer...
Loading external console...
Loading IPython console...
Loading namespace browser...
Setting up main window...

Setting up window...
*** End of MainWindow setup ***

QSortFilterProxyModel: index from wrong model passed to mapFromSource
QSortFilterProxyModel: index from wrong model passed to mapFromSource
QSortFilterProxyModel: index from wrong model passed to mapFromSource
ufechner@uwe-vbox:~$ spyder --debug
Start of MainWindow constructor
Initializing...

End of MainWindow constructor
*** Start of MainWindow setup ***

Loading object inspector...
Loading outline explorer...
Loading editor...
Loading file explorer...
Loading history plugin...
Loading online help...
Loading project explorer...
Loading external console...
Loading IPython console...
Loading namespace browser...
Setting up main window...

Setting up window...
*** End of MainWindow setup ***

Speicherzugriffsfehler (Speicherabzug geschrieben)
ufechner@uwe-vbox:~$

Best regards:

Uwe Fechner

[timmic...@gmx-topmail.de]

> when starting with the debug option I get one error shown (sometimes, when
> closing
> the program) which might be related or not:

I do not see this nor do I personally understand the messages.
So the others may need to help.

But I would still suspect that things are with the QT libs.

Sorry.

[Uwe Fechner]

Hello,

I did some more testing.

The bug appears only under the following conditions:
1. The window "Project explorer" is shown when closing Spyder.
2. There are at least two projects shown in the "Project explorer".
3. At least one of the projects must be open and must contain at
least one file when closing Spyder.

Exactly under these conditions the bug appears.

If I close the projects (the tree view) so that none of the containing
files is shown in the "Project explorer" when closing Spyder than
no crash occurs. Otherwise it crashes on every second launch.

It doesn't matter how many files are open in the editor.

Best regards:

Uwe Fechner

[Carlos Córdoba]

Thanks Uwe for finding the real source of the problem. It's really
helpful for us.

Unfortunately I couldn't reproduce the problem following the
instructions you gave to us, although I'm using Kubuntu and you are in
Ubuntu, which could be an important difference. I have a virtual machine
with Ubuntu 12.04 so I'll try to check it out later there.

In any case, I agree with Tim that this seems more of a Qt problem than
a problem with our code, so we probably can't fix it.

Cheers,
Carlos

El 19/11/12 17:02, Uwe Fechner escribió:

[Uwe Fechner]

Hello,

this could also be a bug in Spyder. Citation:
"

The passive nature of models provides new challenges for programmers. 
Inconsistencies in the model can cause the application to crash. 

Since the model is hit by numerous calls from the view, it is 
hard to find out which call has crashed the application and which
operation has introduced the problem.

"

I think it could be worth to run the model that is implemented
for the treeview of the project explorer with ModelTest for
Python, see:
http://code.google.com/p/modeltest-pyside/

But I am happy with the workaround (close all open projects
before closing spyder) for now.

Some more details:

3.5 Debugging with ModelTest

The passive nature of models provides new challenges for programmers. 
Inconsistencies in the model can cause the application to crash. 

Since the model is hit by numerous calls from the view, it is 
hard to find out which call has crashed the application and which
operation has introduced the problem.

Qt Labs provides software called ModelTest, which checks models 
while your programming is running. Every time the model is changed, 
ModelTest scans the model and reports errors with an assert. 
This is especially important for tree models, since their hierarchical 
nature leaves many possibilities for subtle inconsistencies.

http://benjamin-meyer.blogspot.nl/2007/02/qt-qabstractitemmodel-modeltest.html

Complete backtrace:

(gdb) bt
#0  0xb5ad99c2 in QSortFilterProxyModel::parent(QModelIndex const&) const ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#1  0xb6040b31 in ?? () from /usr/lib/python2.7/dist-packages/PyQt4/QtGui.so
#2  0xb5a8c4d5 in QTreeView::indexRowSizeHint(QModelIndex const&) const ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#3  0xb5a90757 in QTreeViewPrivate::itemHeight(int) const ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#4  0xb5a90a2b in QTreeViewPrivate::updateScrollBars() ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#5  0xb5a90d58 in QTreeView::updateGeometries() ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#6  0xb5f600b8 in ?? () from /usr/lib/python2.7/dist-packages/PyQt4/QtGui.so
#7  0xb5a42705 in QAbstractItemView::resizeEvent(QResizeEvent*) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#8  0xb5f80d3c in ?? () from /usr/lib/python2.7/dist-packages/PyQt4/QtGui.so
#9  0xb54f018e in QWidget::event(QEvent*) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#10 0xb590de55 in QFrame::event(QEvent*) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#11 0xb59a0ab1 in QAbstractScrollArea::viewportEvent(QEvent*) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#12 0xb5a46acc in QAbstractItemView::viewportEvent(QEvent*) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#13 0xb5a94b66 in QTreeView::viewportEvent(QEvent*) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#14 0xb5f8aeea in ?? () from /usr/lib/python2.7/dist-packages/PyQt4/QtGui.so
#15 0xb59a31d6 in ?? () from /usr/lib/i386-linux-gnu/libQtGui.so.4
#16 0xb6890b16 in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () from /usr/lib/i386-linux-gnu/libQtCore.so.4
#17 0xb5495ea2 in QApplicationPrivate::notify_helper(QObject*, QEvent*) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#18 0xb549b3a2 in QApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#19 0xb620c975 in ?? () from /usr/lib/python2.7/dist-packages/PyQt4/QtGui.so
#20 0xb689097e in QCoreApplication::notifyInternal(QObject*, QEvent*) ()
   from /usr/lib/i386-linux-gnu/libQtCore.so.4
#21 0xb54ea697 in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool, bool) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#22 0xb54f3158 in QWidgetPrivate::show_helper() ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#23 0xb54f35c1 in QWidget::setVisible(bool) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#24 0xb54f30e8 in QWidgetPrivate::showChildren(bool) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#25 0xb54f3180 in QWidgetPrivate::show_helper() ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#26 0xb54f35c1 in QWidget::setVisible(bool) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#27 0xb5f809ba in ?? () from /usr/lib/python2.7/dist-packages/PyQt4/QtGui.so
#28 0xb54f30e8 in QWidgetPrivate::showChildren(bool) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#29 0xb54f3180 in QWidgetPrivate::show_helper() ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#30 0xb54f2f64 in QWidgetPrivate::show_recursive() ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#31 0xb54f3069 in QWidgetPrivate::showChildren(bool) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#32 0xb54f3180 in QWidgetPrivate::show_helper() ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#33 0xb54f2f64 in QWidgetPrivate::show_recursive() ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#34 0xb54f3069 in QWidgetPrivate::showChildren(bool) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#35 0xb54f3180 in QWidgetPrivate::show_helper() ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#36 0xb54f35c1 in QWidget::setVisible(bool) ()
   from /usr/lib/i386-linux-gnu/libQtGui.so.4
#37 0xb60bdea6 in ?? () from /usr/lib/python2.7/dist-packages/PyQt4/QtGui.so
#38 0xb61aa6ae in ?? () from /usr/lib/python2.7/dist-packages/PyQt4/QtGui.so
#39 0x081949c1 in PyEval_EvalFrameEx ()
#40 0x08194eec in PyEval_EvalFrameEx ()
#41 0x08194eec in PyEval_EvalFrameEx ()
#42 0x0819af70 in PyEval_EvalCodeEx ()
#43 0x0819b8a1 in PyRun_FileExFlags ()
#44 0x080a8bda in PyRun_SimpleFileExFlags ()
#45 0x080a9949 in Py_Main ()
#46 0x0805ea5b in main ()
(gdb) 

(gdb) info threads
  Id   Target Id         Frame 
  14   Thread 0xae08db40 (LWP 28884) 0xb7764424 in __kernel_vsyscall ()
  13   Thread 0xae88eb40 (LWP 28883) 0xb7764424 in __kernel_vsyscall ()
  12   Thread 0xa5f2cb40 (LWP 28891) 0xb7764424 in __kernel_vsyscall ()
  11   Thread 0xa672db40 (LWP 28890) 0xb7764424 in __kernel_vsyscall ()
  10   Thread 0x9d3eeb40 (LWP 28909) 0xb7764424 in __kernel_vsyscall ()
  9    Thread 0x9e988b40 (LWP 28893) 0xb7764424 in __kernel_vsyscall ()
  8    Thread 0x9b1ffb40 (LWP 28914) 0xb7764424 in __kernel_vsyscall ()
  7    Thread 0x9bbfeb40 (LWP 28913) 0xb7764424 in __kernel_vsyscall ()
  6    Thread 0x9f2a9b40 (LWP 28892) 0xb7764424 in __kernel_vsyscall ()
  5    Thread 0x9c3ffb40 (LWP 28912) 0xb7764424 in __kernel_vsyscall ()
  4    Thread 0x9dbefb40 (LWP 28908) 0xb7764424 in __kernel_vsyscall ()
  3    Thread 0xa988eb40 (LWP 28889) 0xb7764424 in __kernel_vsyscall ()
  2    Thread 0xb088ab40 (LWP 28882) 0xb7764424 in __kernel_vsyscall ()
* 1    Thread 0xb730bb00 (LWP 28881) 0xb5ad99c2 in QSortFilterProxyModel::parent(QModelIndex const&) const () from /usr/lib/i386-linux-gnu/libQtGui.so.4
(gdb) 


Best regards:

Uwe Fechner 

[Pierre Raybaut]

This bug should be fixed by this revision:
http://code.google.com/p/spyderlib/source/detail?r=8d6d603d1f316f177fbbcd5cdf25230153274fee#

Cheers,
-Pierre

2012/11/21 Uwe Fechner <uwe.fec...@gmail.com>:

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[Uwe Fechner]

Hello,

I tested the newest revision and the bug was NOT fixed.

I than changed the time delay in line 691 of explorer.py from 50ms to 200ms.

No the bug seams to be fixed.

Thank's for the good work!

Best regards:

Uwe Fechner

>> El 19/11/12 17:02, Uwe Fechner escribi�: