Just jumping into this thread to ask a most obvious question: did you or
the others having this problem check serial line locking ?
If I look into /var/lock, I see
LCK...ttyS0
which is a file used to arbitrate access to the ttyS0 port (created by
pppd). I reckon that programs accessing the serial ports need to arbitrate
access somehow, and use the device name to create lock files.
To rule out obvious error sources, I would look at this:
- is /dev/modem a symlink to /dev/ttySx (the "deprecated" message says you
should use /dev/ttySx instead of /dev/cuax) ?
- is /dev/mouse a symlink to /dev/ttySy (where x is different from y, never
mind if you're using a PS/2 mouse which links into /dev/psaux) ?
- are you running gpm, and in the case how is it configured ?
- what is the Xfree86 mouse configuration ?
The serial locking problem might manifest if for example gpm is locking
LCK...mouse and pppd goes looking for LCK...ttyS0 because of a bogus
symlink. Or Xfree86 might look for LCK...mouse while pppd goes looking for
LCK...ttyS0.
I am perplexed about this problem taking place with the PS/2 mouse,
however: is it possible that the BIOS is configured to use up one of the
16550A on the motherboard for the PS/2 mouse (a HW expert should chime in
at this point) ? I thought PS/2 mice were serial mice on a dedicated port &
IRQ, but I would like to know the truth.
Setups I know of:
- PS/2 mouse on Pentium 133 box at work running pppd and diald, gpm and
Xfree86 cooperate nicely;
- no-name serial mouse on home AMD 486, silly rodent uses 3 buttons in gpm
but 2 in xfree86 so had to perform the gpm proxy trick to get the middle
button.
If the above is old hat, please disregard.
Davide Bolcioni
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