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#591 LXPanel crashes when app with multiple urgent...

lxpanel (277)

[LXPanel 0.5.12]

LXPanel crashes when an app that has the urgent notification set multiple times is focused then closed, often while xscreensaver is activated.

For example, Thunderbird with the Lightning extension. When a Lightning event notification window pops up, often when xscreensaver is running, the Thunderbird button in the task-manager will blink, indicating urgent notification. When the Lightning event notification is closed, the Thunderbird button will still be blinking, still indicating an urgent notification. Sometimes the button will blink wildly, many times a second if the notification window has refreshed itself multiple times. When the Thunderbird app is focused, then closed, LXPanel will crash with a segfault:
416 Segmentation fault (core dumped) lxpanel


  • Anonymous

    Anonymous - 2013-07-21
    • priority: 5 --> 6
  • Anonymous

    Anonymous - 2013-07-28

    Received "445 Segmentation fault (core dumped) lxpanel" today when lxpanel crashed again. If I knew where the cores were dumped, I'd include it.

  • Henry Gebhardt

    Henry Gebhardt - 2013-07-28

    Thanks for the bug report. I haven't been able to reproduce the bug. Can you install debug symbols and run it with gdb? Open a terminal and run the following commands:

    $ lxpanelctl exit
    $ gdb lxpanel
    run --log 5 --profile LXDE

    You can then work as normal.

    When it crashes, type "bt full". The output of that should be very helpful in pinpointing where the bug occurs.

    Also, which operating system are you using?

  • Henry Gebhardt

    Henry Gebhardt - 2013-07-28

    Actually, I think the bug might already be fixed in the latest git master. Even better if you could test that. Thanks, Henry

  • Anonymous

    Anonymous - 2013-08-05

    Sorry hsgg, did not get any notification of your comments. I will go ahead and check the latest git when I have a chance.

    This happens on any distro that I've used: Debian, Arch, Slackware even FreeBSD, all 64-bit


  • Lonely Stranger

    Lonely Stranger - 2014-11-16
    • status: open --> pending-fixed
    • assigned_to: Lonely Stranger
    • Group: -->
    • Priority: 6 --> 7
  • Lonely Stranger

    Lonely Stranger - 2014-11-16

    I believe it is the same crash on taskbar with changed text that was fixed some time ago. I would ask you to test version 0.7.2 or current sources and I hope the issue is gone completely. Thank you very much.

  • Lonely Stranger

    Lonely Stranger - 2015-06-14
    • status: pending-fixed --> closed-fixed

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