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

Reproduced on a third machine, where I could get a copy of the log file
off.

** Description changed:

- Ubuntu Desktop Next fails to start. I just get a black screen and mouse pointer. So unity-system-compositor is working fine. Only the nested unity8 can't run:
- unity8.log: std::exception::what: Failed to create shared EGL context
+ Ubuntu Desktop Next fails to start. I just get a black screen and mouse
+ pointer. So unity-system-compositor is working fine. Only the nested
+ unity8 can't run:
+ 
+ unity8.log:
+ ~~~
+ ()
+ [1420794321.348507] (II) SharedLibrary: Loading libmirplatform5driver.so
+ qtmir.mir: MirServer created
+ [1420794321.423199] (II) Server: Starting
+ libEGL warning: unsupported platform (null)
+ ERROR: /build/buildd/mir-0.10.0+15.04.20150107.2/src/server/graphics/nested/nested_display.cpp(85): Throw in function void mir::graphics::nested::detail::EGLDisplayHandle::initialize(MirPixelFormat)
+ Dynamic exception type: N5boost16exception_detail10clone_implINS0_19error_info_injectorISt13runtime_errorEEEE
+ std::exception::what: Failed to create shared EGL context
+ 
+ ERROR: QMirServer - Mir failed to start
+ terminate called after throwing an instance of 'boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<std::logic_error> >'
+   what():  Cannot use configuration before apply_settings() call
+ ~~~
  
  I've also verified mir_proving_server with mir_demo_client_* runs fine
  in another VT.

** Attachment added: "unity8.log"
   https://bugs.launchpad.net/ubuntu/+source/unity8/+bug/1408910/+attachment/4294511/+files/unity8.log

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

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

** Changed in: qtmir
       Status: Triaged => Confirmed

** Changed in: qtmir (Ubuntu)
       Status: Triaged => Confirmed

** Changed in: unity8 (Ubuntu)
       Status: Triaged => Confirmed

** Changed in: mir
    Milestone: None => 0.11.0

** Changed in: mir
     Assignee: Daniel van Vugt (vanvugt) => (unassigned)

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https://bugs.launchpad.net/bugs/1408910

Title:
  Ubuntu Desktop Next fails to start; just black screen and mouse
  pointer (unity8.log: std::exception::what: Failed to create shared EGL
  context)

Status in Mir:
  Confirmed
Status in Qt integration with the Mir display server:
  Confirmed
Status in qtmir package in Ubuntu:
  Confirmed
Status in unity8 package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu Desktop Next fails to start. I just get a black screen and
  mouse pointer. So unity-system-compositor is working fine. Only the
  nested unity8 can't run:

  unity8.log:
  ~~~
  ()
  [1420794321.348507] (II) SharedLibrary: Loading libmirplatform5driver.so
  qtmir.mir: MirServer created
  [1420794321.423199] (II) Server: Starting
  libEGL warning: unsupported platform (null)
  ERROR: /build/buildd/mir-0.10.0+15.04.20150107.2/src/server/graphics/nested/nested_display.cpp(85): Throw in function void mir::graphics::nested::detail::EGLDisplayHandle::initialize(MirPixelFormat)
  Dynamic exception type: N5boost16exception_detail10clone_implINS0_19error_info_injectorISt13runtime_errorEEEE
  std::exception::what: Failed to create shared EGL context

  ERROR: QMirServer - Mir failed to start
  terminate called after throwing an instance of 'boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<std::logic_error> >'
    what():  Cannot use configuration before apply_settings() call
  ~~~

  I've also verified mir_proving_server with mir_demo_client_* runs fine
  in another VT.

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