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[Bug 1532523] Re: Error parsing PCC subspaces from PCCT on ThinkPad X1 Carbon (Type 20A7)

 

** Attachment removed: "WifiSyslog.txt"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1532523/+attachment/4547317/+files/WifiSyslog.txt

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Title:
  Error parsing PCC subspaces from PCCT on ThinkPad X1 Carbon (Type
  20A7)

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  May be the same issue or duplicate as LP:1528684. I've just updated
  the BIOS to the latest (1.23) as per
  http://support.lenovo.com/au/en/products/Laptops-and-
  netbooks/ThinkPad-X-Series-laptops/ThinkPad-X1-Carbon-Type-
  20A7-20A8/downloads/DS039783 and am still seeing this error:

  | [hloeung@ragnar tmp]$ dmesg | grep -i error
  | [    0.157751] Error parsing PCC subspaces from PCCT

  Both bootup info and dmidecode output shows latest:

  | [hloeung@ragnar tmp]$ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
  | GRET46WW (1.23 )
  | 11/04/2015

  Running Xenial Alpha 1:

  | [hloeung@ragnar tmp]$ cat /etc/*release
  | DISTRIB_ID=Ubuntu
  | DISTRIB_RELEASE=16.04
  | DISTRIB_CODENAME=xenial
  | DISTRIB_DESCRIPTION="Ubuntu Xenial Xerus (development branch)"

  | [hloeung@ragnar tmp]$ uname -a
  | Linux ragnar.local 4.3.0-5-generic #16-Ubuntu SMP Wed Dec 16 23:33:25 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
  --- 
  AlsaVersion: Advanced Linux Sound Architecture Driver Version k4.3.0-5-generic.
  AplayDevices: Error: [Errno 2] No such file or directory
  ApportVersion: 2.19.3-0ubuntu2
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  hloeung    1241 F.... pulseaudio
   /dev/snd/controlC1:  hloeung    1241 F.... pulseaudio
  Card0.Amixer.info: Error: [Errno 2] No such file or directory
  Card0.Amixer.values: Error: [Errno 2] No such file or directory
  Card1.Amixer.info: Error: [Errno 2] No such file or directory
  Card1.Amixer.values: Error: [Errno 2] No such file or directory
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 16.04
  InstallationDate: Installed on 2014-04-24 (625 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  Lsusb: Error: command ['lsusb'] failed with exit code 1:
  MachineType: LENOVO 20A7CT01WW
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.3.0-5-generic root=UUID=77266758-9b87-4544-8a2c-f3c7aa3b3a7c ro quiet splash apparmor=0 elevator=noop intel_pstate=enable i915.enable_rc6=7 i915_enable_fbc=1 i915.lvds_downclock=1 drm.vblankoffdelay=0 vt.handoff=7
  ProcVersionSignature: Ubuntu 4.3.0-5.16-generic 4.3.3
  RelatedPackageVersions:
   linux-restricted-modules-4.3.0-5-generic N/A
   linux-backports-modules-4.3.0-5-generic  N/A
   linux-firmware                           1.155
  RfKill: Error: [Errno 2] No such file or directory
  Tags:  xenial
  Uname: Linux 4.3.0-5-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dialout dip lpadmin plugdev sudo users
  _MarkForUpload: True
  dmi.bios.date: 11/04/2015
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GRET46WW (1.23 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20A7CT01WW
  dmi.board.vendor: LENOVO
  dmi.board.version: 0B98420 STD
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrGRET46WW(1.23):bd11/04/2015:svnLENOVO:pn20A7CT01WW:pvrThinkPadX1Carbon2nd:rvnLENOVO:rn20A7CT01WW:rvr0B98420STD:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20A7CT01WW
  dmi.product.version: ThinkPad X1 Carbon 2nd
  dmi.sys.vendor: LENOVO

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