Gilles Gravier wrote:
Hi!
Since I've updated to b122, every now and then, mouse jumps around,
mostly to top left of screen. Need to click to get control of it again.
Very disturbing.
Also, Firefox goes hangs quite often.
Gilles.
You are likely running in to bug:
*Bug 9862* <http://defect.opensolaris.org/bz/show_bug.cgi?id=9862> -
Xorg mouse cursor jumps to upper left corner
http://defect.opensolaris.org/bz/show_bug.cgi?id=9862
Comment #10 of that bug has a description of the workaround.
- - -
Jürgen Keil <mailto:[email protected]> 2009-07-08 12:33:39 UTC
Comment 10
A better workaround - does not disable the MMX / SSE2 code in libpixman:
cp -p /usr/X11/bin/i386/Xorg /usr/X11/bin/i386/Xorg.orig
echo 'xf86SigioReadInput+9?w 770f 9090 9090' | mdb -w /usr/X11/bin/i386/Xorg
Restart Xorg.
This patch adds an "emms" instruction into the SIGIO / SIGPOLL signal handler
path. The emms instruction initializes fpu state, after the use of MMX.
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