Comment 83 for bug 755518

Revision history for this message
Leo Iannacone (l3on) wrote : Re: Synaptics Touchpad incorrectly detected as PS/2 mouse on clausoft MNW737 (aka meenee, aka PX1)

Hi all,

I ran these commands with 3.5.0-14-generic (quantal):

OLD=~/tmp/psmouse_debug1
NEW=~/tmp/psmouse_debug2
sudo rmmod psmouse
dmesg > $OLD
echo 1 | sudo tee -a /sys/module/i8042/parameters/debug
sudo modprobe -v psmouse
echo 0 | sudo tee -a /sys/module/i8042/parameters/debug
dmesg > $NEW
diff $OLD $NEW

and I got this log:

> [ 9916.288344] i8042: [2478934] 90 -> i8042 (command)
> [ 9916.288614] i8042: [2478934] f2 -> i8042 (parameter)
> [ 9916.289262] i8042: [2478934] MUX error, status is 35, data is fe
> [ 9916.289274] i8042: [2478934] fe <- i8042 (interrupt, 2, 12, timeout)
> [ 9916.289352] i8042: [2478934] 91 -> i8042 (command)
> [ 9916.289566] i8042: [2478934] f2 -> i8042 (parameter)
> [ 9916.300835] i8042: [2478937] fa <- i8042 (interrupt, 3, 12)
> [ 9916.302350] i8042: [2478937] 03 <- i8042 (interrupt, 3, 12)
> [ 9916.302411] i8042: [2478937] 91 -> i8042 (command)
> [ 9916.302628] i8042: [2478937] f6 -> i8042 (parameter)

Someone of you has experience understanding touchpad protocol?