This was due to a change in the X server to disable listening on TCP by default: http://cgit.freedesktop.org/xorg/xserver/commit/?id=cc59be38b7eff52a1d003b390f2994c73ee0b3e9
This was due to a change in the X server to disable listening on TCP by default: cgit.freedeskto p.org/xorg/ xserver/ commit/ ?id=cc59be38b7e ff52a1d003b390f 2994c73ee0b3e9
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