Not all BlockHandler wrappers are equal, the xf86Rotate.c tries to remove itself from the stack dynamically, but since this relies on the wrapper above it to not be broken its fragile as hell. Since drivers are wrappers this is implicit API, so don't do this. patch on xorg-devel list.
You need to sleep more :) *** This bug has been marked as a duplicate of bug 24244 ***
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