Re: Thinkpad t480s elantech touchpad device is not recognized: unknown touchpad firmware (firmware v.0x7f3001)

On 02.06.2019 17:13, Andrey Kosachenko wrote:
> Hi Vladimir,
> 2) the behavior of trackpoint has changed. In particular it is the
> following:
> - no pointer "flickering" is observed anymore and it stands still once
> one just touches it (previously it used to flicker for a few fractions
> of seconds after one touches it and then pointer was moved exactly to
> the left upper screen corner and it was not possible to move it
> anymore by means of a trackpoint. I.e. one could manipulate pointer
> only via either externally connected mouse or via swiping touchpad (or
> it seems the proper term for it clickpad since it's bottom area
> "clicks" when one presses it).
>
> - pointer can be manipulated via a trackpoint. However  it's behavior
> is quite weird. In particlular:
>    * pointer can be moved up/down and right left;
>    * pointer can be moved north-east (up-right) and south-west(down-left)
>    * on attempts to move pointer either north-west (up-left) or
> south-east (down-right) it remains motionless.
>
>
Nice. Please add debug.psm.loglevel=5 line to /boot/loader.conf,

reboot, than try move pointer with trackpoint in up-left and down-right
directions,

and than copy psm packet log from dmesg buffer to a file and attach it
to PR/238291.

packet log looks like that:


psmintr: 80 00 00 c0 00 00

psmintr: 80 00 00 c0 00 00

psmintr: 80 00 00 c0 00 00

psmintr: 90 dd 32 c0 05 31

synaptics: ipacket: [3333, 3377], 50, 4

synaptics: ----

Its better although not strictly necessary to have patch from my
previous email applied.


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