[Bug 1768166] Re: Random crashes

[Mathew Hodson]

** Changed in: ibus-libpinyin (Ubuntu)
   Importance: Undecided => Medium

** Changed in: libpinyin (Ubuntu)
   Importance: Undecided => Medium

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Title:
  Random crashes

Status in ibus-libpinyin package in Ubuntu:
  Fix Released
Status in libpinyin package in Ubuntu:
  Fix Released
Status in ibus-libpinyin source package in Bionic:
  In Progress
Status in libpinyin source package in Bionic:
  In Progress
Status in ibus-libpinyin source package in Cosmic:
  In Progress
Status in libpinyin source package in Cosmic:
  In Progress

Bug description:
  [Impact]

  ibus-libpinyin has proved to crash far too often. One or more files in
  ~/.cache/ibus/libpinyin get corrupted somehow, and emptying that
  directory allows the user to keep using ibus-libpinyin.

  In disco (and eoan) ibus-libpinyin 1.11.0 and libpinyin 2.2.2 are
  present, and the number of crashes has been reduced significantly:

  https://errors.ubuntu.com/?package=ibus-libpinyin&period=month

  Upstream ChangeLog ibus-libpinyin:
  ----------------------------------
  version 1.11.0
  * fixes keypad decimal
  * fixes emoji candidates
  * support configurable opencc config

  version 1.10.92
  * fixes Enter handling

  version 1.10.91
  * support ime.register_trigger in lua extension
  * support predicted candidates
  * support emoji input

  version 1.10.0
  * bug fixes

  version 1.9.91
  * migrate to use GSettings
  * fixes lyx short cut issue

  version 1.9.3
  * translate input method name in ibus menu

  Upstream ChangeLog libpinyin:
  -----------------------------
  version 2.2.2
  * minor fixes

  version 2.2.1
  * fixes predicted candidates

  version 2.2.0
  * bug fixes

  The proposal is to backport the disco versions of those packages to
  bionic and cosmic in an attempt to prevent crashes. Proposed uploads
  are available in this PPA:

  https://launchpad.net/~gunnarhj/+archive/ubuntu/ibus-libpinyin

  [Test Case]

  * Install from {bionic,cosmic}-proposed:
    - libpinyin13
    - libpinyin-data
    - ibus-libpinyin

  * Use "Intelligent Pinyin" for typing and confirm that no new issues
    show up when doing so.

  (This is apparently not a confirmation that the upload really fixes
  the bug. Time will tell.)

  [Regression Potential]

  The changes are mostly bug fixes, so the regression risk should be
  limited. Also consider that the starting point is a rather unstable
  functionality.

  [Original description]

  I have experienced random ibus-libpinyin crashes in bionic.  I cannot
  reproduce it, but it occurred at least a few times, even after the
  official bionic release.  Same crashes were also reported in the
  Ubuntu Chinese forum.

  Currently, the workaround is to delete the ~/.cache/ibus/libpinyin
  folder.

  I talked to Peng Wu, ibus-libpinyin's creator and main maintainer, he
  suggested that we update the version of ibus-libpinyin to 1.10.

  Can we give this update a trial?

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