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From "Pat Deegan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CB-11870) Unable to drive display on Ubuntu 16.04 (black window)
Date Mon, 19 Sep 2016 17:12:22 GMT
Pat Deegan created CB-11870:
-------------------------------

             Summary: Unable to drive display on Ubuntu 16.04 (black window)
                 Key: CB-11870
                 URL: https://issues.apache.org/jira/browse/CB-11870
             Project: Apache Cordova
          Issue Type: Bug
          Components: Ubuntu
    Affects Versions: 6.3.1
         Environment: Node version: v6.6.0
Cordova version: 6.3.1
Ubuntu: 16.04

Compiz/Unity plugins: 'core', 'composite', 'opengl', 'regex', 'resize', 'commands', 'animation',
'snap', 'wall', 'place', 'compiztoolbox', 'imgpng', 'mousepoll', 'grid', 'unitymtgrabhandles',
'vpswitch', 'copytex', 'move', 'workarounds', 'session', 'fade', 'scale', 'expo', 'ezoom',
'unityshell'
            Reporter: Pat Deegan
            Assignee: Maxim Ermilov


On a fresh install of both Ubuntu (16.04) and node/cordova, doing a standard "hello world"
create/build/run:

$ cordova create hello com.example.hello HelloWorld
$ cd hello/
$ cordova platforms add ubuntu
$ cordova build ubuntu
$ cordova run ubuntu

yields a black screen.  Checking debug console (using chromium) seems to show the program
is running correctly.  

However, an strace of the process shows that the program starts up and then goes into a tight
loop of polling on the /tmp/.X11-unix/X0 which gives a series of EAGAIN (resource unavailable)
messages, e.g.

recvmsg(6, 0x7ffe56802b20, 0)           = -1 EAGAIN (Resource temporarily unavailable)
recvmsg(6, 0x7ffe56802b20, 0)           = -1 EAGAIN (Resource temporarily unavailable)

Quick demo of entire process and result uploaded to
https://youtu.be/dmsCJvHKyOs




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