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[Bug 1268880] Re: unable to toggle microphone mute on T410 / unable to unload thinkpad_acpi module


What I forgot to mention: Although with Kernel 3.11 acpi_listen reports,
Ubuntu itself does not see the mic mute (LED on Button is not toggling,
no notice shows up and in audio settings the input does not get

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  unable to toggle microphone mute on T410 / unable to unload
  thinkpad_acpi module

Status in “linux” package in Ubuntu:

Bug description:
  I recently pressed the physical microphone mute button on my Lenovo
  T410. However, I am now unable to unmute it. The orange light next to
  the mic mute button comes on when the kernel boots, but pressing it
  has no effect.

  Possibly related to this, I am now unable to unload the thinkpad_acpi
  kernel module (required to run the fan in disengaged mode to work
  around the long-standing bug 751689) as it seems to be permanently
  hooked into the sound drivers:

  $ sudo modprobe -r thinkpad_acpi
  modprobe: FATAL: Module thinkpad_acpi is in use.
  $ sudo lsmod|grep thinkpad_acpi
  thinkpad_acpi          69003  1 
  nvram                  14027  1 thinkpad_acpi
  snd                    60871  23 snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_hda_codec_conexant,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec,snd_hda_intel,thinkpad_acpi,snd_seq_device,snd_seq_midi
  $ sudo modprobe -r thinkpad_acpi snd_hwdep snd_timer snd_hda_codec_hdmi snd_hda_codec_conexant snd_pcm snd_seq snd_rawmidi snd_hda_codec snd_hda_intel thinkpad_acpi snd_seq_device snd_seq_midi
  modprobe: FATAL: Module thinkpad_acpi is in use.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-2-generic 3.13.0-2.17
  ProcVersionSignature: Ubuntu 3.13.0-2.17-generic 3.13.0-rc7
  Uname: Linux 3.13.0-2-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: i386
   /dev/snd/controlC1:  james      3261 F.... pulseaudio
   /dev/snd/controlC0:  james      3261 F.... pulseaudio
   /dev/snd/pcmC0D0p:   james      3261 F...m pulseaudio
  CurrentDesktop: Unity
  Date: Tue Jan 14 08:52:57 2014
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (1181 days ago)
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-2-generic root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash
   linux-restricted-modules-3.13.0-2-generic N/A
   linux-backports-modules-3.13.0-2-generic  N/A
   linux-firmware                            1.121
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2013-11-01 (73 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

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