Code review comment for lp:~raof/mir/fix-ftbfs-against-mesa-11

The important fail (mir-wily-i386-ci and mir-mediumtests-builder-wily-armhf are marked non-fatal) is:

https://jenkins.qa.ubuntu.com/job/mir-mediumtests-runner-mako/6749/consoleFull

...
> creating: package_archive/archive/work/output/
> inflating: package_archive/archive/work/output/libmircookie-dev_0.16.0bzr2962pkg0wily4058+autopilot0_armhf.deb
> inflating: package_archive/archive/work/output/mir-client-platform-mesa-dev_0.16.0bzr2962pkg0wily4058+autopilot0_armhf.deb

So these are *wily* debs? On a vivid+overlay image?

...
> running mir_demo_server --test-client /usr/bin/mir_demo_client_basic
> initctl: unable to determine sessions
> initctl: unable to determine sessions
> [1443083181.507545] mirplatform: Found graphics driver: android
> [1443083181.508430] mirplatform: Found graphics driver: mesa-kms
> [1443083181.508582] mirplatform: Found graphics driver: mesa-x11
> [1443083181.509131] mirplatform: Found graphics driver: dummy
> [1443083181.513890] mirserver: Starting
> [1443083181.514775] mircommon: Loading modules from: /usr/lib/arm-linux-gnueabihf/mir/server-platform
> [1443083181.515171] mircommon: Loading module: /usr/lib/arm-linux-gnueabihf/mir/server-platform/graphics-android.so.5
> [1443083181.515294] mircommon: Loading module: /usr/lib/arm-linux-gnueabihf/mir/server-platform/graphics-mesa-kms.so.5
> [1443083181.515385] mircommon: Loading module: /usr/lib/arm-linux-gnueabihf/mir/server-platform/server-mesa-x11.so.5
> [1443083181.519473] mircommon: Loading module: /usr/lib/arm-linux-gnueabihf/mir/server-platform/input-evdev.so.2
> [1443083181.522828] mircommon: Loading module: /usr/lib/arm-linux-gnueabihf/mir/server-platform/graphics-dummy.so
> [1443083181.524689] mircommon: Loading module: /usr/lib/arm-linux-gnueabihf/mir/server-platform/input-stub.so
> [1443083181.527313] mirplatform: Found graphics driver: android
> [1443083181.527801] mirplatform: Found graphics driver: mesa-kms
> [1443083181.527953] mirplatform: Found graphics driver: mesa-x11
> [1443083181.528228] mirplatform: Found graphics driver: dummy
> [1443083181.529234] mirserver: Selected driver: android (version 0.16.0)
> [1443083182.041171] mirserver: Initial display configuration:
> [1443083182.045442] mirserver: 0.0: LVDS 4.7" 61x102mm
> [1443083182.045686] mirserver: Current mode 768x1280 60.00Hz
> [1443083182.045778] mirserver: Preferred mode 768x1280 60.00Hz
> [1443083182.045839] mirserver: Logical position +0+0
> [1443083182.045930] mirserver: 0.1: unused DisplayPort
> ERROR: Throw location unknown (consider using BOOST_THROW_EXCEPTION)
> Dynamic exception type: N5boost16exception_detail10clone_implINS0_19error_info_injectorINS_6system12system_errorEEEEE
> std::exception::what: bind: No such file or directory

*Looks* like all clients are dying for lack of an endpoint.