Public bug reported:

After upgrading to kernel 4.10.0-21.14 serial lirc device (ir receiver) is not 
recognized.
(Using Ubuntu 16.04 x64)


Output of "dmesg |grep lirc" is:

[    4.764264] lirc_dev: IR Remote Control driver registered, major 241

After downgrading to kernel 4.8.0-53.56 the output is:

[    7.556620] lirc_dev: IR Remote Control driver registered, major 241
[    7.561157] lirc_serial: module is from the staging directory, the quality 
is unknown, you have been warned.
[    8.524847] lirc_serial lirc_serial.0: auto-detected active low receiver
[    8.524947] lirc_serial lirc_serial.0: lirc_dev: driver lirc_serial 
registered at minor = 0

and ir receiver is functional.

Packages involved in this bug:

linux-headers-4.10.0-21
linux-headers-4.10.0-21-generic
linux-image-4.10.0-21-generic
linux-image-extra-4.10.0-21-generic
linux-signed-image-4.10.0-21-generic

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: kernel-bug lirc serial

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https://bugs.launchpad.net/bugs/1694023

Title:
  Serial lirc device not recognized with kernel 4.10.0-21.14 x64

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