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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1630906

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1630906

Title:
  QML segfault on arm64 due to builder kernel change

Status in linux package in Ubuntu:
  Incomplete
Status in online-accounts-api package in Ubuntu:
  New
Status in qmenumodel package in Ubuntu:
  New
Status in qtdeclarative-opensource-src package in Ubuntu:
  New
Status in ubuntu-push-qml package in Ubuntu:
  New
Status in unity8 package in Ubuntu:
  New
Status in webbrowser-app package in Ubuntu:
  New

Bug description:
  Builders were changed from wily to xenial (4.4) kernel for arm64, and
  likely due to this the following kind of errors started happening:

  https://launchpadlibrarian.net/288487533/buildlog_ubuntu-yakkety-arm64
  .ubuntu-push-qml_0.1+15.10.20150826.1-0ubuntu2_BUILDING.txt.gz

  They happen when executing QML code.

  I've ruled out that reverting to previous qtbase and qtdeclarative
  versions don't affect this, so it's not coming from a Qt change. I've
  also verified there's no problem eg on our Bq tablet running the same
  tests on xenial+overlay. There are currently no found changes at least
  in Qt upstream to backport arm64 related fixes.

  Cause is unknown. But the same problem is there on vivid, xenial and yakkety builds:
  https://launchpadlibrarian.net/288516465/buildlog_ubuntu-yakkety-arm64.online-accounts-api_0.1+16.10.20161006.1-0ubuntu1_BUILDING.txt.gz
  https://launchpadlibrarian.net/288515705/buildlog_ubuntu-xenial-arm64.online-accounts-api_0.1+16.04.20161006.1-0ubuntu1_BUILDING.txt.gz
  https://launchpadlibrarian.net/288515510/buildlog_ubuntu-vivid-arm64.online-accounts-api_0.1+15.04.20161006.1-0ubuntu1_BUILDING.txt.gz

  This means it does not matter if it's Qt 5.4 or 5.6, GCC 4.9, 5 or 6,
  or glibc 2.21, 2.23 or 2.24.

  More logs from affected packages:
  https://launchpadlibrarian.net/288493058/buildlog_ubuntu-yakkety-arm64.qtdeclarative-opensource-src_5.6.1-7ubuntu3~1_BUILDING.txt.gz
  https://launchpadlibrarian.net/288347391/buildlog_ubuntu-xenial-arm64.webbrowser-app_0.23+16.04.20161005.1-0ubuntu1_BUILDING.txt.gz
  https://launchpadlibrarian.net/288385063/buildlog_ubuntu-vivid-arm64.qmenumodel_0.2.10+15.04.20161005.1-0ubuntu1_BUILDING.txt.gz

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