Frequent X11 Fatal server errors (caught signal 11)

Ferruccio Zamuner nonsolosoft at
Mon Aug 4 09:50:13 PDT 2008

Michael Neumann wrote:
I don't know how to turn off EXA (I didn't even know what this acroym
stands for before looking at Wikipedia ;-). Nevertheless I fixed the
problem by switching to modular-xorg-server version 1.4.2 which is in
Only one problem is still left. When switching to console and back again
to X11, I can't use the X11 applications any more. Only a xorg server
restart helps. But that's a lot less worse than random signal 11's :)


I had some sort of same troubles on latest xorg update.
To check what is it:
uncomment Option "NoTrapSignals" from /usr/pkg/xorg/lib/X11/xorg.conf
and if it coredumps on you can select XAA in your xorg.conf
in this way:
Section "Device"
        Option      "AccelMethod"    "XAA"
I've fixed in such way my problems.

Bye,             \fer

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