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Bug#793377: marked as done (linux-image-4.0.0-2-amd64: USB keyboard losing keystrokes)

Your message dated Fri, 30 Apr 2021 21:34:52 +0200
with message-id <E1lcYuI-001MIP-TA@hullmann.westfalen.local>
and subject line Closing this bug
has caused the Debian Bug report #793377,
regarding linux-image-4.0.0-2-amd64: USB keyboard losing keystrokes
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
793377: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=793377
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: linux-image-4.0.0-2-amd64
Version: 4.0.8-1
Severity: important

Dear Maintainer,

I recently upgraded from Jessie to Stretch, which bought along a
kernel upgrade from 3.16 to 4.0. After the upgrade - and a reboot - my
USB keyboard (TypeMatrix 2030) started losing keystrokes: typing at
normal speed, about 25% of keys pressed were lost completely.

This happened under GNOME. I tried on the console, and couldn't
reproduce the problem (I didn't try typing fast, mind you). I couldn't
reproduce the problem with the built-in keyboard of my laptop (Dell
XPS 13, 2014 model), either.

I have not tried switching to another DE, or WM. But I did try
downgrading the kernel to 3.16, and my woes are now gone.

I have no idea how to debug the regression, any pointers in that
direction would be helpful. I can provide dmesg output and whatever
logs you may need, if told to do so.

-- System Information:
Debian Release: stretch/sid
  APT prefers testing
  APT policy: (990, 'testing'), (500, 'unstable'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.16.0-4-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

--- End Message ---
--- Begin Message --- 
This bug was filed for a very old kernel. If you can reproduce it with
- the current version in unstable/testing
- the latest kernel from buster.backports
please reopen the bug, see https://www.debian.org/Bugs/server-control

--- End Message ---
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