[Bug 1651735] Re: $ mir_demo_server --help fails with an exception

[Rick Harris]

Also occurs on Zesty installations that have been upgraded from Yakkety.

Unity8 fails to launch (classic black screen) and unity8.log shows the error:
"character conversion failed"

This is due to incorrect multiple versions of boost being present on the
system because they aren't removed when upgrading.

Counted 6(six) different boost versions installed in Zesty because of taking 
the upgrade route through multiple Ubuntu versions.
'apt-get remove --auto-remove --purge' does not remove them so looks like a 
genuine dependency resolution problem when upgrading.

Manually removing all the old boost versions works around the problem
and allows Unity8 to work again.

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Title:
  $ mir_demo_server --help fails with an exception

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[Bug 1651735] Re: $ mir_demo_server --help fails with an exception

[Alan Griffiths]

On further investigation I only see this on my desktop (not on VM or
laptop).

** Changed in: mir
   Status: Incomplete => Invalid

** Changed in: mir (Ubuntu)
   Status: Incomplete => Invalid

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Title:
  $ mir_demo_server --help fails with an exception

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[Bug 1651735] Re: $ mir_demo_server --help fails with an exception

[Daniel van Vugt]

I can't reproduce this failure using either Mir 0.25 in zesty or trunk.
What's your locale?

Mine is:
LANG=en_AU.UTF-8
LANGUAGE=en_AU:en


** Changed in: mir
   Status: New => Incomplete

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

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Title:
  $ mir_demo_server --help fails with an exception

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[Bug 1651735] Re: $ mir_demo_server --help fails with an exception

[Alan Griffiths]

It isn't just the test platform:

$ sudo apt remove mir-test-tools
$ mir_demo_server --help
[2016-12-21 12:07:29.534586] mirplatform: Found graphics driver: mir:mesa-kms 
(version 0.25.0)
[2016-12-21 12:07:29.535346] mirplatform: Found graphics driver: mir:mesa-x11 
(version 0.25.0)
ERROR: Throw location unknown (consider using BOOST_THROW_EXCEPTION)
Dynamic exception type: 
boost::exception_detail::clone_impl
std::exception::what: character conversion failed

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Title:
  $ mir_demo_server --help fails with an exception

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