libepoll-shim breaks evdev input

[Niclas Zeising]

On 12/30/18 7:01 PM, Andreas Nilsson wrote:
> 
> 
> On Sun, Dec 30, 2018 at 6:12 PM Andreas Nilsson <andrnils at gmail.com 
> <mailto:andrnils at gmail.com>> wrote:
> 
> 
> 
>     On Sun, Dec 30, 2018 at 12:15 PM Niclas Zeising
>     <zeising+freebsd at daemonic.se <mailto:zeising%2Bfreebsd at daemonic.se>>
>     wrote:
> 
>         On 12/29/18 11:33 PM, Andreas Nilsson wrote:
>          >
>          >
>          > On Sat, Dec 29, 2018 at 11:17 PM Niclas Zeising
>          > <zeising+freebsd at daemonic.se
>         <mailto:zeising%2Bfreebsd at daemonic.se>
>         <mailto:zeising%2Bfreebsd at daemonic.se
>         <mailto:zeising%252Bfreebsd at daemonic.se>>> wrote:
>          >
>          >     On 12/29/18 11:06 PM, Andreas Nilsson wrote:
>          >      >
>          >      >
>          >      > On Sat, Dec 29, 2018 at 10:19 PM Niclas Zeising
>          >      > <zeising+freebsd at daemonic.se
>         <mailto:zeising%2Bfreebsd at daemonic.se>
>          >     <mailto:zeising%2Bfreebsd at daemonic.se
>         <mailto:zeising%252Bfreebsd at daemonic.se>>
>          >     <mailto:zeising%2Bfreebsd at daemonic.se
>         <mailto:zeising%252Bfreebsd at daemonic.se>
>          >     <mailto:zeising%252Bfreebsd at daemonic.se
>         <mailto:zeising%25252Bfreebsd at daemonic.se>>>> wrote:
>          >      >
>          >      >     On 12/28/18 3:10 PM, Andreas Nilsson wrote:
>          >      >      > Hello,
>          >      >      >
>          >      >      > On both my laptop and workstation running
>         FreeBSD 13.0-CURRENT
>          >      >      > 0b666203a28(master) the upgrade of libepoll-shim:
>          >     0.0.20161220_1 ->
>          >      >      > 0.0.20180530 breaks evdev input.
>          >      >      >
>          >      >      > I have xorg-server port make patched to use the
>         udev
>          >     backend, but
>          >      >     with new
>          >      >      > epoll-shim those device entries does not turn
>         up in /dev/input
>          >      >      >
>          >      >      > If I run xorg-server from ports with
>          >     libepoll-shim-0.0.20180530 input
>          >      >      > works, but only old style kbdmux and sysmouse.
>          >      >      >
>          >      >      > Has something changed on how to get evdev input
>         running?
>          >      >      >
>          >      >
>          >      >     Hi!
>          >      >     I just updated the libepoll-shim port, can you
>         test the
>          >     updated version?
>          >      >     Thanks!
>          >      >     Regards
>          >      >     --
>          >      >     Niclas
>          >      >
>          >      >
>          >      > Hello!
>          >      >
>          >      > libepoll-shim-0.0.20181229 works! Great work, thank you!
>          >      >
>          >
>          >     Glad it works!
>          >     Sorry for the initial breakage.
>          >     Regards!
>          >     --
>          >     Niclas
>          >
>          >
>          > Thanks for the rapid fix of the problem! Now I just need to
>         find why my
>          > touchpad is recognized as
>          > config/udev: Adding input device Generic PS/2 mouse
>         (/dev/input/event3)
>          > On a identical device running opensuse it is identified as
>          > config/udev: Adding input device SynPS/2 Synaptics TouchPad
>          >
>          > But that is another thread I think.
> 
>         You can try setting
>         hw.psm.synaptics_support=1
>         in /boot/loader.conf and reboot the system, and see if the
>         touchpad is
>         detected as a synaptics.
>         Regards
>         -- 
>         Niclas
> 
> 
>     Hello,
> 
>     It does indeed get listed as SynPS/2 Synaptics TouchPad after
>     setting that loader tunable. I thouht those 
>     hw.psm.(synaptics|elantech)_support was just for basic touchpad
>     stuff for sysmouse.
> 
>     However xorg still wont play: synaptics: SynPS/2 Synaptics TouchPad:
>     Synaptics driver unable to detect protocol.
> 
>     Thanks for helping me getting this far!
> 
>     Best regards
>     Andreas
> 
> 
> 
> Also, there is a very very annoying thing that happens when setting 
> either hw.psm.(synaptics|trackpoint)_support=1 which is that 
> periodically, as in several times a minute, X freezes for a few seconds 
> which is very hard to work with. It happend even before trying out the 
> evdev stuff.
> 

I have never noticed this issue myself.  Is anything reported in any logs?
Regards
-- 
Niclas