Xorg upgrade disaster: Xlib: extension "Generic Event Extension" missing on display ":0.0".

Marcin Cieslak saper at system.pl
Sun Feb 1 13:05:10 PST 2009

O. Hartmann wrote:
> After upgrading one of my FreeBSD 8.0-CUR/amd64 boxes to new xorg-7.4
> and having done hurting recompiling nearly everything/package twice now
> firefox3 still doesn't work properly and hits me when starting with this
> error message:
> Xlib:  extension "Generic Event Extension" missing on display ":0.0".

Looks like libraries (Xext among others) already support the XGE extension:


but the current the 1.5 Xorg server does not support and the 1.6 release 
is behind schedule a bit:


I keep getting this error after upgrade of X today but everything works 
as usual.

> Then firefox3 freezes forever, showing something like the background or
> pixel remnants of windows/picograms moving over its window.

The firefox problem is unrelated I think to the message above (as 
demonstrated later in the thred)


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