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  1. Qt
  2. QTBUG-51676

Deadlock may happen when local object call happens and qDBusAddSpyHook is used.

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    • Icon: Bug Bug
    • Resolution: Done
    • Icon: P1: Critical P1: Critical
    • 5.6.1
    • 5.6.0 RC
    • D-Bus
    • None
    • Qt 5.6.0 RC
    • 2e02de165115c9d67ac343ff0960ed80f9c09bc8

      See new backtrace and main.cpp for more details.
      When qDBusAddSpyHook is used, handleObjectCall will be called from daemon thread. If this happens and the receiver thread tries to make a call to daemon thread, dead lock will happen.

        1. backtrace
          9 kB
          Weng Xuetian
        2. backtrace
          5 kB
          Weng Xuetian
        3. main.cpp
          1 kB
          Weng Xuetian
        For Gerrit Dashboard: QTBUG-51676
        # Subject Branch Project Status CR V
        151459,11 Fix QtDBus deadlock inside kded/kiod 5.6 qt/qtbase Status: MERGED +2 0
        152410,3 Revert "Call out to QtDBus message spies in the main thread" 5.6.0 qt/qtbase Status: ABANDONED -1 0

            csslayer Weng Xuetian
            csslayer Weng Xuetian
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              Created:
              Updated:
              Resolved:

                There are no open Gerrit changes