Dell Precision 7520 laptop: built-in mouse "fail"; USB mouse OK

[colby stanley]

Stop emailing me

On Mar 17, 2018 7:21 PM, "David Wolfskill" <david at catwhisker.org> wrote:

> On Sun, Mar 18, 2018 at 02:02:39AM +0300, Vladimir Kondratyev wrote:
> > ...
> > > However, while the mouse "just works" on the M4800, it does absolutely
> > > nothing in FreeBSD (except create a stationary cursor).  (It works
> > > fine going into the BIOS setup and making adjustments to various
> > > things, so this isn't a hardware issue, per se.)
> >
> > It's probably that your laptop has an ALPS touchpad:
> > https://www.driveridentifier.com/scan/dell-inc-precision-
> 7520-precision-sku07b0/desktop/F70B463F27B0466AA190E50F67469F64
>
> Hmm...  interesting page -- but I see some entries that are
> definitely different from the machine I have, including:
>
> * NVIDIA graphics in my machine is a "Quadro M1200" (vs. "Quadro M2200")
> * Wireless NIC is a Qualcomm Atheros part (vs. Intel(R) Dual Band
>   Wireless-AC 8265")
>
> > Unfortunately it is not supported by FreeBSD.
> >
> > I think the best you can do is to remove outdated "ALPS GlidePoint" from
> > psm's driver probe list and play around hint.psm.0.flags in
> > /boot/device.hints
>
> I'm confused: why would you refer to "ALPS GlidePoint" as "outdated"?
> The laptop I'm currently usng (the M4800) seems to probe the trackpad
> thus, and it has been working fine.  Its predecessor (a Dell Precision
> M4400) had similar hardware, with which I never had a problem,; I
> strongly suspect that it was probed similarly.  Likewise for the M4400's
> predecessors....
>
> > --- sys/dev/atkbdc/psm.c
> > +++ sys/dev/atkbdc/psm.c
> > @@ -680,8 +680,6 @@ static struct {
> >            0x04, MOUSE_ELANTECH_PACKETSIZE, enable_elantech },
> >          { MOUSE_MODEL_INTELLI,          /* Microsoft IntelliMouse */
> >            0x08, MOUSE_PS2INTELLI_PACKETSIZE, enable_msintelli },
> > -       { MOUSE_MODEL_GLIDEPOINT,       /* ALPS GlidePoint */
> > -         0xc0, MOUSE_PS2_PACKETSIZE, enable_aglide },
> >          { MOUSE_MODEL_THINK,            /* Kensington ThinkingMouse */
> >            0x80, MOUSE_PS2_PACKETSIZE, enable_kmouse },
> >          { MOUSE_MODEL_VERSAPAD,         /* Interlink electronics
> > VersaPad */
> > ...
> > --
> > WBR
> > Vladimir Kondratyev
>
> Thanks for responding, though! :-)
>
> Peace,
> david
> --
> David H. Wolfskill                              david at catwhisker.org
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> fraudsters
>
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>