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[Bug 1161699] Re: lm-sensors does not detect fan sensors, provided by i2c_i801


The model is Samsung Series 9 NP900X4C-A04US.

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  lm-sensors does not detect fan sensors, provided by i2c_i801

Status in “linux” package in Ubuntu:

Bug description:
  lm-sensors cannot detect my fan sensors, so my fan is not working at
  all and that makes my laptop have very high temperatures, which is
  very bad for it. I have tried several times to run sensors-detect, but
  only coretemp is detected, although for Ivy Bridge (Panther Point
  chipset), there should be more sensors provided by i2c_i801.

  While looking for a solution, I have found an ongoing discussion on
  http://forums.gentoo.org/viewtopic-t-946718-start-0.html, where they
  have concluded that this is probably a kernel bug.

  I have created a bug report couple of days ago for lm-sensors, but
  they have it was marked as invalid. I create another one, since it is
  definitely a bug, a very problematic one, since my laptop has crashed
  already couple of times due to overheating.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: linux-image-3.5.0-26-generic 3.5.0-26.42
  ProcVersionSignature: Ubuntu 3.5.0-26.42-generic
  Uname: Linux 3.5.0-26-generic x86_64
  ApportVersion: 2.6.1-0ubuntu10
  Architecture: amd64
   /dev/snd/controlC0:  ivan       2424 F.... pulseaudio
  Date: Fri Mar 29 02:53:26 2013
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=4def1db0-01fa-4505-8eb6-97442bc58e4a
  InstallationDate: Installed on 2013-02-28 (28 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MachineType: SAMSUNG ELECTRONICS CO., LTD. 900X3C/900X3D/900X4C/900X4D
  MarkForUpload: True
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-26-generic root=UUID=4936fe74-689d-4768-951a-d793b24ad3cc ro quiet splash vt.handoff=7
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory /home/ivan not ours.
   No PulseAudio daemon running, or not running as session daemon.
   linux-restricted-modules-3.5.0-26-generic N/A
   linux-backports-modules-3.5.0-26-generic  N/A
   linux-firmware                            1.95
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/08/2012
  dmi.bios.vendor: Phoenix Technologies Ltd.
  dmi.bios.version: P04AAC
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: SAMSUNG_NP1234567890
  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.board.version: FAB1
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvrP04AAC:bd08/08/2012:svnSAMSUNGELECTRONICSCO.,LTD.:pn900X3C/900X3D/900X4C/900X4D:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rnSAMSUNG_NP1234567890:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1:
  dmi.product.name: 900X3C/900X3D/900X4C/900X4D
  dmi.product.version: 0.1
  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.

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