ubuntu-sdk-bugs team mailing list archive

[Olivier Tilloy <olivier.tilloy@xxxxxxxxxxxxx>]

Public bug reported:

I’ve prepared a branch of webbrowser-app that makes use of the latest
qml-module-qtsysteminfo for input device detection
(https://code.launchpad.net/~osomon/webbrowser-app/use-
qtsystems/+merge/309667), and when I test it on arale, I’m seeing the
following error in the logs when connecting a bluetooth keyboard/mouse
combo to the device:

QObject: Cannot create children for a parent that is in a different thread.
(Parent is QInputInfoManagerMir(0xaa09a6ac), parent's thread is QThread(0x1fba0b8), current thread is QThread(0xb08612d8)

This looks like a threading issue in the implementation of the Mir
backend for InputInfo.

** Affects: qtsystems-opensource-src (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1638517

Title:
  Mir-backed InputDeviceModel doesn’t work on touch device

Status in qtsystems-opensource-src package in Ubuntu:
  New

Bug description:
  I’ve prepared a branch of webbrowser-app that makes use of the latest
  qml-module-qtsysteminfo for input device detection
  (https://code.launchpad.net/~osomon/webbrowser-app/use-
  qtsystems/+merge/309667), and when I test it on arale, I’m seeing the
  following error in the logs when connecting a bluetooth keyboard/mouse
  combo to the device:

  QObject: Cannot create children for a parent that is in a different thread.
  (Parent is QInputInfoManagerMir(0xaa09a6ac), parent's thread is QThread(0x1fba0b8), current thread is QThread(0xb08612d8)

  This looks like a threading issue in the implementation of the Mir
  backend for InputInfo.

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