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[Lorn Potter <lorn.potter@xxxxxxxxxxxxx>]

How can I reproduce this? When I try that qml on qmlscene on my lenovo
yoga running unity8, I get a seg fault in
libunubtu_application_api_desktop_mirclient.so.3.0.0

** Changed in: qtsystems-opensource-src (Ubuntu)
   Importance: Undecided => Medium

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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:
  Confirmed

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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