[Bug 1787824] Re: "rfkill: input handler disabled" boot time 11 seconds.

[Charles Wright]

I was watching a video over the network from my x1 system when it went
offline.

My system had been up over a day at the time,

Later it came back online and I found this pattern in the logs.

Nov 24 22:08:38 x1 kernel: [ 4491.984774] rfkill: input handler enabled
Nov 24 22:45:15 x1 kernel: [ 6689.350749] r8169 0000:04:00.0 eth0: link down
Nov 24 22:45:18 x1 kernel: [ 6692.350653] r8169 0000:04:00.0 eth0: link up
...
Nov 24 23:28:51 x1 kernel: [ 9305.191129] perf: interrupt took too long (2514 > 2500), lowering kernel.perf_event_max_sample_rate to 79500
Nov 24 23:44:36 x1 kernel: [10250.105921] r8169 0000:04:00.0 eth0: link down
Nov 24 23:44:39 x1 kernel: [10253.137255] r8169 0000:04:00.0 eth0: link up
Nov 24 23:44:41 x1 kernel: [10254.820174] r8169 0000:04:00.0 eth0: link down
Nov 24 23:44:53 x1 kernel: [10267.308766] r8169 0000:04:00.0 eth0: link down
Nov 24 23:44:57 x1 kernel: [10270.416767] r8169 0000:04:00.0 eth0: link up
Nov 24 23:45:05 x1 kernel: [10278.366294] r8169 0000:04:00.0 eth0: link down
Nov 24 23:45:08 x1 kernel: [10281.415489] r8169 0000:04:00.0 eth0: link up
Nov 24 23:45:56 x1 kernel: [10329.333933] r8169 0000:04:00.0 eth0: link down
Nov 24 23:46:04 x1 kernel: [10337.815700] r8169 0000:04:00.0 eth0: link down
Nov 24 23:46:11 x1 kernel: [10344.998667] r8169 0000:04:00.0 eth0: link up
Nov 24 23:46:13 x1 kernel: [10346.873959] r8169 0000:04:00.0 eth0: link down
Nov 24 23:46:16 x1 kernel: [10350.226690] r8169 0000:04:00.0 eth0: link up
Nov 24 23:46:18 x1 kernel: [10352.318011] r8169 0000:04:00.0 eth0: link down
Nov 24 23:46:21 x1 kernel: [10355.245040] r8169 0000:04:00.0 eth0: link up

Nov 26 21:14:23 x1 kernel: [129787.573891] rfkill: input handler enabled
Nov 26 21:23:30 x1 kernel: [130334.427437] r8169 0000:03:00.0 eth0: link down
Nov 26 21:23:33 x1 kernel: [130337.443076] r8169 0000:03:00.0 eth0: link up
Nov 26 21:23:57 x1 kernel: [130361.790251] r8169 0000:03:00.0 eth0: link down
Nov 26 21:24:00 x1 kernel: [130364.790674] r8169 0000:03:00.0 eth0: link up
Nov 26 21:41:58 x1 kernel: [131442.193462] r8169 0000:03:00.0 eth0: link down
Nov 26 21:42:01 x1 kernel: [131445.332817] r8169 0000:03:00.0 eth0: link up
Nov 26 21:42:14 x1 kernel: [131458.567170] rfkill: input handler disabled
Nov 26 21:42:16 x1 kernel: [131460.513607] r8169 0000:03:00.0 eth0: link down
Nov 26 21:42:19 x1 kernel: [131464.056605] r8169 0000:03:00.0 eth0: link up
Nov 26 21:42:23 x1 kernel: [131467.593377] r8169 0000:03:00.0 eth0: link down
Nov 26 21:42:30 x1 kernel: [131474.613404] r8169 0000:03:00.0 eth0: link up
Nov 26 21:42:41 x1 kernel: [131485.133432] r8169 0000:03:00.0 eth0: link down
Nov 26 21:42:49 x1 kernel: [131493.199224] rfkill: input handler enabled
Nov 26 21:42:52 x1 kernel: [131496.274226] r8169 0000:03:00.0 eth0: link up
Nov 26 21:42:53 x1 kernel: [131497.548189] r8169 0000:03:00.0 eth0: link down
Nov 26 21:42:56 x1 kernel: [131500.994252] r8169 0000:03:00.0 eth0: link up
Nov 26 21:42:57 x1 kernel: [131501.750754] r8169 0000:03:00.0 eth0: link down
Nov 26 21:43:04 x1 kernel: [131508.486113] r8169 0000:03:00.0 eth0: link up


root at x1:/var/log# uname -a
Linux x1 4.15.0-39-generic #42-Ubuntu SMP Tue Oct 23 15:48:01 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

root at x1:/var/log# cat /etc/lsb-release 
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.1 LTS"

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https://bugs.launchpad.net/bugs/1787824

Title:
  "rfkill: input handler disabled" boot time 11 seconds.

Status in util-linux package in Ubuntu:
  Incomplete

Bug description:
  My computer is slowly opening, I looked at the output of dmesg and at 11th I get this post.
  What i need to do? thanks.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: rfkill 2.31.1-0.4ubuntu3.1
  ProcVersionSignature: Ubuntu 4.15.0-32.35-generic 4.15.18
  Uname: Linux 4.15.0-32-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.2
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Aug 19 19:44:21 2018
  Dependencies:
   gcc-8-base 8-20180414-1ubuntu2
   libc6 2.27-3ubuntu1
   libgcc1 1:8-20180414-1ubuntu2
   libsmartcols1 2.31.1-0.4ubuntu3.1
  InstallationDate: Installed on 2018-08-18 (1 days ago)
  InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
  SourcePackage: util-linux
  UpgradeStatus: No upgrade log present (probably fresh install)

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