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  1. Qt
  2. QTBUG-74216

REG->5.13/XCB: Qt Creator crashes near QComposeInputContext::ensureInitialized() when setting LANG=de.UTF-8

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: P1: Critical
    • Resolution: Done
    • Affects Version/s: 5.13.0 Alpha 1
    • Fix Version/s: 5.13.0 Beta 1
    • Labels:
    • Environment:
      Kubuntu 18.04.2 LTS (Bionic Beaver) , gcc 7.3
    • Platform/s:
      Linux/X11
    • Commits:
      f792fed2ff519ffac1436e41e47cc0504d253a77 (qt/qtbase/dev)

      Description

      Since roughly 4.3.2019, Qt Creator crashes frequently when editing text near QComposeInputContext::ensureInitialized() . I have not managed to reproduce this with a simple example.

      qtbase /5.13 at 1270aeb0f96547ad32512c92ee2e69adb1f27011

      qt-creator/4.9 at 26f6cbf8b59dffa7f47b315031b7055ec3421315

      It might be related to "platforminputcontexts: use libxkbcommon compose key API" 2065bc070dcd1f88a1f5ba3dd6ef0139a9a441ec https://codereview.qt-project.org/#/c/98062/ .

      Reverting the change seems to help at the cost of introducing warnings:

      qt.xkb.compose: error: xkb context has not been set on QComposeInputContext
      

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              Assignee:
              kleint Friedemann Kleint
              Reporter:
              kleint Friedemann Kleint
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                Resolved:

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