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Win (7 & 10 at least): Taurus4 applications crashes at exiting #709

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mrosanes opened this issue Feb 27, 2018 · 7 comments
Open

Win (7 & 10 at least): Taurus4 applications crashes at exiting #709

mrosanes opened this issue Feb 27, 2018 · 7 comments
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bug windows this issue affects specifically to windows systems

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@mrosanes
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mrosanes commented Feb 27, 2018 •
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Win 7: Taurus4 applications crashes at exiting in many cases.
Reproduced using a Vagrant virtualbox VM and a normal virtualbox VM.
Reproduced in Taurus 4.1.1 and Taurus 4.3.0
@mrosanes mrosanes mentioned this issue Feb 27, 2018
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@mrosanes
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By using the following dependencies, the crashes does not happen anymore. However the prompt is not returned to the user at the exit of the applications:

Dependencies installed with pip:
Cython==0.27.3
numpy==1.14.1
qtpy==1.3.1
Pillow==5.0.0
PythonQwt==0.5.5
guidata==1.7.6
scipy==1.0.0 (without dependencies: --no-deps)
spyder==3.2.7 (without dependencies)
guiqwt==3.0.3 (without dependencies)

@mrosanes
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The fact of not returning the prompt when closing the application can be related somehow with Tango/PyTango. If we set TANGO_HOST (to controlsxx:10000 for example), the prompt is not returned when closing the applications (e.g. taurustrend) ; however, if TANGO_HOST is not set and we only use eval (e.g taurustrend "eval:Q(rand(),'mm')"), then the application exits and the prompt is returned correctly.

cpascual pushed a commit that referenced this issue Feb 28, 2018
Fix #709 (stepping in line edits and spin boxes does not work)
ef69130 
The step up/down feature of TaurusValueLineEdit (e.g. using
the up/down keys or the arrows of a TaurusValueSpinBox) was broken when
merging #669 which implemented fragments support in
TaurusValueLineEdit for allowing the display of the wvalue without units
Now we see that supporting fragments generically in TaurusValueLineEdit
is problematic (e.g. it makes little sense to use "rvalue" as a
fragment since "wvalue" will be modified when eventually applying).
Therefore for now limit the fragment support in line edits
to the "wvalue.magnitude" case.

Also fix a hook error introduced in some previous merge.
@cpascual cpascual added the bug label Jul 2, 2018
@reszelaz reszelaz mentioned this issue Jul 26, 2018
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@cpascual cpascual added the windows this issue affects specifically to windows systems label Jul 1, 2019
@tiagocoutinho
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tiagocoutinho commented Jul 5, 2019 •
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Reproduced with taurudemo -> click label button on windows using vagrant.
conda environment using:

  • python 3.6
  • pyqt 5.6
  • qt 5.6.2
  • taurus 4.5.1
  • pytango 9.3.1 rc1 from tiagocoutinho conda channel

When trying to close the main window I get a dialog Python as stopped working (see attached image)

image

Looks like a bug in PyTango or Tango C++

@cpascual
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cpascual commented Jul 5, 2019 •
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It would be niceif we could reproduce it with a PyQt+PyTango script (without taurus) in order to report it to (Py)Tango

@mrosanes mrosanes changed the title Win 7: Taurus4 applications crashes at exiting Win (7 & 10 at least): Taurus4 applications crashes at exiting Jul 23, 2019
@mrosanes mrosanes mentioned this issue Jul 23, 2019
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@cpascual
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cpascual commented Aug 4, 2020

This may be related to tango-controls/cppTango#699 . It would be nice to try with cpptango >= 9.3.4-rc5 and pytango >= 9.3.2

(not yet available in conda for windows)

@cpascual cpascual mentioned this issue Aug 4, 2020
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@reszelaz
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Another candidate to to suspect is this one: tango-controls/pytango#390.

@reszelaz
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We could try this hint: tango-controls/pytango#390 (comment) (the part of the client).

jkotan pushed a commit to desy-fsec/taurus that referenced this issue Jun 23, 2023
@reszelaz
Avoid app crashes on Windows at exit
5c0f3a0 
Call APIUtil.cleanup() at exit in order to avoid client application crashes
on Windows - see PyTango#390 for more details.

Avoid calling it for servers cause it hangs the server at exit.

Fixes taurus-org#709.
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@mrosanes @tiagocoutinho @cpascual @reszelaz