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[Daniel van Vugt <daniel.van.vugt@xxxxxxxxxxxxx>]

** Also affects: mir (Ubuntu RTM)
   Importance: Undecided
       Status: New

** Changed in: mir (Ubuntu RTM)
   Importance: Undecided => High

** Changed in: mir (Ubuntu RTM)
       Status: New => Triaged

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https://bugs.launchpad.net/bugs/1364890

Title:
  [regression] symbol lookup error: /usr/lib/arm-linux-
  gnueabihf/libmirserver.so.24: undefined symbol: _ZTIN7android7RefBaseE
  (libmirserver 0.6.1 doesn't work with libmircommon 0.7.0)

Status in Mir:
  Fix Released
Status in Mir 0.7 series:
  Won't Fix
Status in “mir” package in Ubuntu:
  Triaged
Status in “mir” package in Ubuntu RTM:
  Triaged

Bug description:
  I'm getting:

  unity-system-compositor: symbol lookup error: /usr/lib/arm-linux-
  gnueabihf/libmirserver.so.24: undefined symbol: _ZTIN7android7RefBaseE

  $ system-image-cli -i
  current build number: 13
  device name: krillin
  channel: ubuntu-touch/ubuntu-rtm/14.09-proposed
  last update: 2014-09-03 07:58:22
  version version: 13
  version ubuntu: 20140903
  version device: 20140902-42bae3c

  Installing unity8-autopilot from a silo pulled in libmircommon1 (see
  attached excerpt from apt history.log), but I'm left with a mix of Mir
  0.6.1 and 0.7.0:

  $ LANG=C apt-cache policy libmirserver24 libmircommon1 libmirclient8
  libmirserver24:
    Installed: 0.6.1+14.10.20140814-0ubuntu1
    Candidate: 0.6.1+14.10.20140814-0ubuntu1
    Version table:
   *** 0.6.1+14.10.20140814-0ubuntu1 0
          500 http://derived.archive.canonical.com/ubuntu-rtm/ 14.09/main armhf Packages
          100 /var/lib/dpkg/status
  libmircommon1:
    Installed: 0.7.0+14.10.20140829~rtm-0ubuntu1
    Candidate: 0.7.0+14.10.20140829~rtm-0ubuntu1
    Version table:
   *** 0.7.0+14.10.20140829~rtm-0ubuntu1 0
          500 http://derived.archive.canonical.com/ubuntu-rtm/ 14.09/main armhf Packages
          100 /var/lib/dpkg/status
  libmirclient8:
    Installed: 0.6.1+14.10.20140814-0ubuntu1
    Candidate: 0.7.0+14.10.20140829~rtm-0ubuntu1
    Version table:
       0.7.0+14.10.20140829~rtm-0ubuntu1 0
          500 http://derived.archive.canonical.com/ubuntu-rtm/ 14.09/main armhf Packages
   *** 0.6.1+14.10.20140814-0ubuntu1 0
          100 /var/lib/dpkg/status

  ProblemType: Bug
  DistroRelease: Ubuntu RTM 14.09
  Package: libmircommon1 0.7.0+14.10.20140829~rtm-0ubuntu1
  Uname: Linux 3.4.67 armv7l
  ApportVersion: 2.14.7-0ubuntu1
  Architecture: armhf
  Date: Wed Sep  3 10:33:53 2014
  InstallationDate: Installed on 2014-09-03 (0 days ago)
  InstallationMedia: Ubuntu Utopic Unicorn (development branch) - armhf (20140903-030204)
  SourcePackage: mir
  UpgradeStatus: No upgrade log present (probably fresh install)

  ------
  The package that was upgraded pulled in a new version of qtdeclarative5-qtmir-plugin which pulled in the new version of mircommon1 but not the current version of mirserver. The qtmir plugin only contains the qml bindings to mir server and hence only needs mircommon (compared to the qtmir-{desktop,android} packages). So the system ends up with a 0.7 mircommon1 and 0.6.1 mirserver.

  With the last mircommon1 exported symbols were further reduced. The
  missing symbol is the intrusive android shared pointer base class
  constructor.

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