Re: Problem report: 2.6.12-rc4 ps2 keyboard being misdetected as /dev/input/mouse0

From: Dmitry Torokhov
Date: Wed May 18 2005 - 08:43:34 EST


On 5/18/05, Pavel Machek <pavel@xxxxxx> wrote:
> Hi!
>
> > > >>I just updated to 2.6.12-rc4 and now /dev/input/mouse0 seems to be my ps2
> > > >>keyboard.
> > > >>
> > > >Please use /dev/input/mice for accessing your mouse.
> > > >
> > >
> > > One possibly interesting mouse issue in 2.6.12-rc[1..4] is that when
> > > using /dev/psaux, I have found that my mouse cursor under GPM seems to
> > > be triggered into un-hiding when I issue some random number of
> > > non-hiding key-down events. That is, press and release the keyboard
> > > shift key say 3 or 5 or 10 times, and the console mouse cursor will
> > > appear, just as if the mouse had been moved. This bug is not in 2.6.11
> > > (nor Alan's 2.6.11-ac7, fwiw).
> > >
> >
> > This is caused by atkbd's scrolling support + GPM not expecting to see a
> > 0-motion packets from devices... I'd say we need to fix GPM not to set
> > GPM_MOVE in these cases; I have looked into adjusting mousedev but it is
> > too ugly for words to suppress them there.
> >
> > Although... maybe the patch below is not too ugly.
>
> Looks pretty much okay to me...

Hi Pavel,

Does it work for you? If so I'll send it to Andrew to simmer in -mm.

--
Dmitry
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