I can't simulate

Help
josedaniel
2007-01-03
2012-12-15
  • josedaniel

    josedaniel - 2007-01-03

    Hi, I'm a new user of qucs 0.0.10. My OS is kubuntu and all is right except when I simulate.

    In the log there aren't any error but when I want to display a variable in a cartesian diagram this doesn't display.

    And if I choose a tabular diagram when I selected a variable and press the Accept button then the program shut down.

    Sorry for my english.

    Thanks!!

     
    • Stefan Jahn

      Stefan Jahn - 2007-01-11

      Helloo there!

      Can you please check if the simulation itself worked ok, i.e. there is a non-empty dataset (*.dat) file produced?

      Also please check where the application crashes:

        $ ulimit -c 10000000
        $ qucs

      *crash*

        $ gdb qucs core
      > where

      displays the stack trace for the crash indicating where it crashes.

      Thanks in advance,
        Stefan.

       
    • josedaniel

      josedaniel - 2007-01-26

      Thanks a lot.

      This is the stack trace:

      X Error: BadDevice, invalid or uninitialized input device 166
        Major opcode:  144
        Minor opcode:  3
        Resource id:  0x0
      Failed to open device
      X Error: BadDevice, invalid or uninitialized input device 166
        Major opcode:  144
        Minor opcode:  3
        Resource id:  0x0
      Failed to open device
      ScimInputContextPlugin()
      Fallo de segmentación (core dumped)

       
    • Stefan Jahn

      Stefan Jahn - 2007-01-26

      Hello!

      The last line just indicates that a core file was written.  Now do

      $ gdb qucs core
      > where

      The "where" command of gdb gives you the stack-trace.

      Cheers, Stefan.

       
    • josedaniel

      josedaniel - 2007-01-26

      Sorry, this really is:

      (gdb) where
      #0  0x0816db1b in QValueListPrivate<QString>::contains ()
      #1  0x08182c24 in QWidget::metaObject ()
      #2  0x08174dca in QPointArray::~QPointArray ()
      #3  0x081757a2 in QPointArray::~QPointArray ()
      #4  0x081987a1 in QWidget::metaObject ()
      #5  0xb78ef051 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
      #6  0xb78efaec in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
      #7  0xb7c8aeb7 in QButton::clicked () from /usr/lib/libqt-mt.so.3
      #8  0xb798a6f6 in QButton::mouseReleaseEvent () from /usr/lib/libqt-mt.so.3
      #9  0xb7929825 in QWidget::event () from /usr/lib/libqt-mt.so.3
      #10 0xb7884f3e in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3
      #11 0xb78854c8 in QApplication::notify () from /usr/lib/libqt-mt.so.3
      #12 0xb78161c5 in QApplication::sendSpontaneousEvent ()
         from /usr/lib/libqt-mt.so.3
      #13 0xb7811873 in QETWidget::translateMouseEvent () from /usr/lib/libqt-mt.so.3
      #14 0xb780fd59 in QApplication::x11ProcessEvent () from /usr/lib/libqt-mt.so.3
      #15 0xb78294db in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3
      #16 0xb789da2f in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
      #17 0xb7883a79 in QApplication::enter_loop () from /usr/lib/libqt-mt.so.3
      #18 0xb7aa25c4 in QDialog::exec () from /usr/lib/libqt-mt.so.3
      #19 0x080673e0 in QGList::count ()
      #20 0x08098a94 in operator+ ()
      #21 0xb7a23b45 in QScrollView::viewportDropEvent () from /usr/lib/libqt-mt.so.3

       
    • Stefan Jahn

      Stefan Jahn - 2007-01-26

      Hi!

      So it looks like there is some problem with the Qt library on your kubuntu system.  In fact you were the first one reporting this kind of crash.  Please contact the maintainers of the Qt packages as well as Qucs package of kubuntu.  Hopefully they can help you with the problem.  At least it is worth to file a bug in their system including the information you placed here in the forum.

      Will you do that?

      Thanks in advance, Stefan.

       
    • josedaniel

      josedaniel - 2007-01-27

      I post the problem to chief of the project and to founder of the project.

      I hope they can solve the problem!!

      Best regards!!

       
    • Stefan Jahn

      Stefan Jahn - 2007-01-27

      Well.  That's me. :-)

       
    • fredji82

      fredji82 - 2007-03-17

      Hello josedaniel,

      I would like to use qucs 0.0.10 on Ubuntu Edgy but I have exactly the same troubles that you described (I can't display any variable in the cartesian diagram and the program shuts down when I use tabular diagram).
      Since your last post, did you get any solution by qucs's support community ?

      Thanks in advance for your answer.

       

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