[Bug 209473] There is no /dev/psm0 device for my synaptics touchpad when I load FreeBSD 10.3-RELEASE

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209473

            Bug ID: 209473
           Summary: There is no /dev/psm0 device for my synaptics touchpad
                    when I load FreeBSD 10.3-RELEASE
           Product: Base System
           Version: 10.3-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: misc
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: oleglelchuk at gmail.com
                CC: freebsd-amd64 at FreeBSD.org
                CC: freebsd-amd64 at FreeBSD.org

I have a strange issue. I own this particular laptop:
http://www.newegg.com/Product/Product.aspx?Item=N82E16834298945 and FreeBSD
10.3-STABLE, 11-CURRENT and 10.3-RELEASE don't recognize this touchpad. It's
not even recognizable as a generic PS/2 mouse. No matter how many suggestions I
followed (such as putting hw.psm.synaptics_support="1" in loader.conf or
modifying xorg.conf), this touchpad remains completely undetectable on either X
or the console by the versions of FreeBSD that I mentioned above. These
versions of FreeBSD never created [file]/dev/psm0[/file] device in the /dev
directory. However, FreeBSD 9.3-RELEASE did detect this touchpad as a generic
PS/2 mouse! When I typed [code] dmesg | grep psm[/code] after loading
9.3-RELEASE, I got this: [code]psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: model Generic PS/2 mouse, device ID 0[/code] . Then I am able to use the
touchpad after executing the moused command. So, please explain to me what I
can do to get rid of this issue on 11-CURRENT or 10.3-STABLE. All I want is for
one of these versions to recognize this touchpad as a generic PS/2 mouse. The
OpenBSD kernel ver. 5.9 is able to recognize this touchpad as a Synaptics
model. I can use it when I load X on OpenBSD.

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