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[Launchpad Bug Tracker <1011864@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1011864

Title:
  Winbond super I/0 chip W83627DHG and nForce2_smbus conflicts with ACPI

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  * What I expected
  To be able to use fancontrol to manage CPU fan speed

  * What actually happens
  ACPI and the module  for the W83627DHG (W83627ehf) conflicts. the moudle w83627ehf is therefore not loaded correctly and temperature and fan RPMs can therefore not be read.

  * How to recreate the problem
  Happens every time I turn on the computer

  I have tried booting with acpi_enforce_resources=lax, but that results
  in system freezes.

  Booting with acpi=off allows w83627ehf to be loaded, fancontrol to
  control the RPMs of the CPU fan, but also creates problems with sound
  playback in music and video files and low frame rates when playing
  videos (probably related to the sound issues)

  I've also tried booting with the options suggested here:
  https://wiki.ubuntu.com/DebuggingACPI. All options other than acpi=off
  and acpi=ht leads to either a non-responsive system during boot or a
  system that freezes. The freezes don't always start right after the
  system has booted. Sometimes it takes hours (maybe something to do
  with suspend?) but eventually the system will lock up

  In dmesg I have found the following conflicts between ACPI and the I/O
  chip

  [   10.856429] ACPI: resource nForce2_smbus [io  0x1c80-0x1cbf]
  conflicts with ACPI     region SM01 [io 0x1c80-0x1cbf]

  [   10.856431] ACPI: If an ACPI driver is available for this device,
  you should use it instead of the native driver

  [   10.946400] [Firmware Bug]: ACPI(IGPU) defines _DOD but not _DOS

  [   10.948958] ACPI: Video Device [IGPU] (multi-head: yes  rom: no
  post: no)

  [   10.972197] ACPI: resource w83627ehf [io  0x0295-0x0296] conflicts
  with ACPI region SEN1 [io 0x295-0x296]

  [   10.972200] ACPI: If an ACPI driver is available for this device,
  you should use it instead of the native driver

  I haven't been able to find ACPI drivers for either the nForce2_smbus
  or w83627ehf

  I am using kernel 3.2.0-23-generic

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-23-generic 3.2.0-23.36
  ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
  Uname: Linux 3.2.0-23-generic x86_64
  NonfreeKernelModules: nvidia
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  morten     1665 F.... pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Card0.Amixer.info:
   Card hw:0 'NVidia'/'HDA NVidia at 0xfe020000 irq 20'
     Mixer name	: 'Nvidia MCP79/7A HDMI'
     Components	: 'HDA:10ec0888,19da0ac6,00100001 HDA:10de0007,10de0101,00100100'
     Controls      : 45
     Simple ctrls  : 19
  Date: Mon Jun 11 23:21:54 2012
  HibernationDevice: RESUME=UUID=29e3544c-211a-44c2-9afa-a357dab24e14
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  IwConfig:
   lo        no wireless extensions.
   
   eth0      no wireless extensions.
  Lsusb:
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 004 Device 002: ID 15c2:0036 SoundGraph Inc. LC16M VFD Display/IR Receiver
  MachineType: NVIDIA MCP7A
  ProcEnviron:
   LANGUAGE=en_US:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-23-generic root=UUID=f19d1faf-9382-4cb7-b937-90bc6e4f88c9 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-23-generic N/A
   linux-backports-modules-3.2.0-23-generic  N/A
   linux-firmware                            1.79
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/06/2009
  dmi.bios.vendor: Phoenix Technologies, LTD
  dmi.bios.version: 6.00 PG
  dmi.board.name: MCP7A
  dmi.board.vendor: NVIDIA
  dmi.board.version: 2
  dmi.chassis.type: 3
  dmi.chassis.vendor: NVIDIA
  dmi.chassis.version: MCP7A
  dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd01/06/2009:svnNVIDIA:pnMCP7A:pvr2:rvnNVIDIA:rnMCP7A:rvr2:cvnNVIDIA:ct3:cvrMCP7A:
  dmi.product.name: MCP7A
  dmi.product.version: 2
  dmi.sys.vendor: NVIDIA

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