Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 04 Feb 2021 15:13:38 +0000
From:      bugzilla-noreply@freebsd.org
To:        usb@FreeBSD.org
Subject:   [Bug 253249] USB keyboard: repeated and out of order characters
Message-ID:  <bug-253249-19105@https.bugs.freebsd.org/bugzilla/>

next in thread | raw e-mail | index | archive | help
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D253249

            Bug ID: 253249
           Summary: USB keyboard: repeated and out of order characters
           Product: Base System
           Version: 12.2-RELEASE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: usb
          Assignee: usb@FreeBSD.org
          Reporter: janm@transactionware.com

Created attachment 222162
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D222162&action=
=3Dedit
usbdump output when the problem is seen.

When typing quickly on a USB keyboard, some characters are repeated and some
appear out of order.

Attached is the output of usbdump and the console messages with
hw.usb.ukbd.debug=3D2 when typing "m_count" quickly. The characters present=
ed are
"m_counntu".

Three different keyboards tested: Two from Unicomp and a Dell keyboard. The
Dell keyboard does slightly better but the problem still exists. I do not s=
ee
the problem when using the same keyboards on a Macintosh.

This appears to be similar to the problem here:
https://forums.freebsd.org/threads/mac-keyboard-weirdness-freebsd-12-2.7772=
8/

--=20
You are receiving this mail because:
You are the assignee for the bug.=



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?bug-253249-19105>