[PyQt] Possible Issue with PyQt on Amazon EC2 Instance

Phil Thompson phil at riverbankcomputing.com
Thu Jul 5 22:24:08 BST 2012

On Thu, 5 Jul 2012 17:17:22 -0400, Kevin Hu <kzh at MIT.EDU> wrote:
> Dear All,
> I want to use Ghost.py, a headless webkit using PyQt, on an Amazon EC2
> instance with a centOS distros. I have installed X11, Xvzb, Qt 4.6, and
> PyQt4 via yum. However, when I try initiating an instance of Ghost, I
> receive the error:
> -------------------------------
> Fatal server error:
> Server is already active for display 99
> If this server is no longer running, remove /tmp/.X99-lock
> and start again.
> loaded the Generic plugin
> can't make "generic.orientation" because no QAccelerometer sensors exist
> -------------------------------
> When I kill process Xvfb :99, and try again, I receive the error:
> ghost: cannot connect to X server :99
> _XSERVTransmkdir: Owner of /tmp/.X11-unix should be set to root
> [echonest at ip-10-4-85-75 ~]$ expected keysym, got XF86TouchpadOn: line
> of inet
> expected keysym, got XF86TouchpadOff: line 121 of inet
> -------------------------------
> Would you say this is an issue with PyQt? How would you recommend I
> proceed?

There is nothing in the above than would suggest a PyQt problem.


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