[plex86] ioctl MESSSAGEQ: : Invalid argument

[Psyon]

I get the following when trying to execute plex86:

Processing command-line options
Opening VM (/dev/plex86)
Initializing plugins
RUnning VM
ioctl MESSSAGEQ: : Invalid argument
Shutting down plugins
Unmapping guest physical memory.
munmap of guest physical memory: Invalid argument