Cannot run Qt5 applications.

[Jon TURNEY]

On 04/02/2015 23:20, David Stacey wrote:
> I'm having difficulty running any Qt5 application. These are the
> commands I'm issuing:
>
>      XWin -multiwindow &
>      export DISPLAY=:0.0
>      xclock &
>
> and I see the clock, so X is up and running. Then:
>
>      /usr/lib/qt5/examples/gui/analogclock/analogclock
>      QXcbConnection: XCB error: 145 (Unknown), sequence: 162, resource
> id: 0, major c
>      ode: 140 (Unknown), minor code: 20
>      Bad system call (core dumped)

Possibly you need to install and start cygserver (See [1])

If so, this is because Qt5 is assuming shared memory is available, which 
could possibly be handled in a better way...

[1]  http://x.cygwin.com/docs/ug/using-shared-memory.html

-- 
Jon TURNEY
Volunteer Cygwin/X X Server maintainer

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