From: Guido Guenther <email@example.com>
Subject: SIGIO Handler
Date: Thu, 18 May 2000 16:11:36 +0200
> I'm still trying to get the mouse to work under X. The problem seems not
> to be related to X itself but to a kernel/glibc problem. X uses a SIGIO
> handler to "get notified" about mouse events. I wrote my own small SIGIO
> handler(see attached program) which works fine on my intel box but not
> on an indy (glibc-2.0.6-3lm/linux-2.2.13-20000211).
I had experienced same SIGIO problem. It that time, the definitions
of glibc's FASYNC (in fnctbits.h) and kernel's FASYNC (in
asm/fcnt..h) were not same.
Check those values in your system, first.