Qt has a bug report of a similar issue: https://bugreports.qt.io/browse/QTBUG-48024 which may be avoidable with care in qtmir.
** Changed in: unity8 (Ubuntu) Status: New => Confirmed ** Also affects: qtmir (Ubuntu) Importance: Undecided Status: New ** Changed in: qtmir (Ubuntu) Status: New => Incomplete ** Changed in: unity8 (Ubuntu) Importance: Undecided => High -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to unity8 in Ubuntu. https://bugs.launchpad.net/bugs/1579846 Title: /usr/bin/unity8:11:QHash:QHash:QSGDistanceFieldGlyphCache::glyphData:QSGDistanceFieldGlyphCache::release:QSGDistanceFieldGlyphNode::~QSGDistanceFieldGlyphNode Status in qtmir package in Ubuntu: Incomplete Status in unity8 package in Ubuntu: Confirmed Bug description: The Ubuntu Error Tracker has been receiving reports about a problem regarding unity8. This problem was most recently seen with version 8.12+15.04.20160504.2-0ubuntu1, the problem page at https://errors.ubuntu.com/problem/afe5d8a45936ed5f13e0c0f82f1c062c8f29c67d contains more details. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qtmir/+bug/1579846/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp