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[Bug 1312860] Re: [Asus A8JP] Fan speed control is frozen

 

It was way too easy: The bad commit was reverted:

# bad: [4b660a7f5c8099d88d1a43d8ae138965112592c7] Linux 3.15-rc6
git bisect bad 4b660a7f5c8099d88d1a43d8ae138965112592c7
# good: [a798c10faf62a505d24e5f6213fbaf904a39623f] Linux 3.15-rc2
git bisect good a798c10faf62a505d24e5f6213fbaf904a39623f
# good: [783e9e8ede8081f2511beefc75b0c87e1b3afc07] Merge tag 'usb-3.15-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
git bisect good 783e9e8ede8081f2511beefc75b0c87e1b3afc07
# good: [8471ac1b3fc73aeabdabf9ff3c0a4df71d190448] MIPS: inst.h: Rename BITFIELD_FIELD to __BITFIELD_FIELD.
git bisect good 8471ac1b3fc73aeabdabf9ff3c0a4df71d190448
# good: [60b5f90d0fac7585f1a43ccdad06787b97eda0ab] Merge tag 'sound-3.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
git bisect good 60b5f90d0fac7585f1a43ccdad06787b97eda0ab
# bad: [b2e3432af1546a9f44a8278a8a91abfbd439259e] Merge tag 'spi-v3.15-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
git bisect bad b2e3432af1546a9f44a8278a8a91abfbd439259e
# bad: [b14002761c01dcd2e416ad6d922bd0acf21e4a9d] Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
git bisect bad b14002761c01dcd2e416ad6d922bd0acf21e4a9d
# bad: [68c8829d0602d2a217f21b7c9dfa40ec21fea019] Merge branch 'pm-cpufreq'
git bisect bad 68c8829d0602d2a217f21b7c9dfa40ec21fea019
# bad: [3011ef60d8406ad549f99cf40b2bbd6df095ce73] Merge branches 'acpi-ac' and 'acpi-proc'
git bisect bad 3011ef60d8406ad549f99cf40b2bbd6df095ce73
# good: [7d18aecd39180ac803e837ee0508a3bc12b168f3] Merge branches 'acpica', 'acpi-tpm' and 'acpi-processor'
git bisect good 7d18aecd39180ac803e837ee0508a3bc12b168f3
# good: [3a670cc79342c36d308decd5f90351830ed1685c] ACPI: Revert "ACPI / Battery: Remove battery's proc directory"
git bisect good 3a670cc79342c36d308decd5f90351830ed1685c
# bad: [98012849e0cbf980326f8e34d571f4474866a88e] ACPI: Revert "ACPI / AC: convert ACPI ac driver to platform bus"
git bisect bad 98012849e0cbf980326f8e34d571f4474866a88e
# first bad commit: [98012849e0cbf980326f8e34d571f4474866a88e] ACPI: Revert "ACPI / AC: convert ACPI ac driver to platform bus"

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https://bugs.launchpad.net/bugs/1312860

Title:
  [Asus A8JP] Fan speed control is frozen

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Behaviour:

  The fan speed remains on the same level after the kernel was booted.
  That means that the fan is still off when the Laptop is booted with
  cold hardware, the fan remains off, leading to an emergency shut down
  at100°C.

  If the system is booted when still hot, the fan is turned on at
  maximum speed. The fan stays at this speed, even when the system has
  cooled down.

  This problem did not happen before upgrading from 13.10 to 14.04.

  When I boot an old installed kernel (3.5.0-44-generic), the problem
  does not occur.

  Expected Behaviour:
  Fanspeed is selected to actual temperature of the system

  Description:    Ubuntu 14.04 LTS
  Release:        14.04

  Ubuntu 3.13.0-24.46-generic 3.13.9

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-24-generic 3.13.0-24.46
  ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
  Uname: Linux 3.13.0-24-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ursula     1300 F.... kded4
                        ursula     1780 F.... pulseaudio
                        ursula     1894 F.... pulseaudio
  CurrentDesktop: KDE
  Date: Fri Apr 25 19:23:29 2014
  HibernationDevice: RESUME=UUID=4a6f3411-87eb-471c-930e-4a982978e099
  InstallationDate: Installed on 2013-01-05 (474 days ago)
  InstallationMedia: Kubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.1)
  MachineType: ASUSTeK Computer Inc. A8JP
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-24-generic root=UUID=010356c7-1bf3-4c8b-9a0d-3d8bb8b28752 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-24-generic N/A
   linux-backports-modules-3.13.0-24-generic  N/A
   linux-firmware                             1.127
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2014-04-21 (4 days ago)
  dmi.bios.date: 01/13/2008
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: A8JpeAS.210
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: A8JP
  dmi.board.vendor: ASUSTeK Computer Inc.
  dmi.board.version: 1.0
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK Computer Inc.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrA8JpeAS.210:bd01/13/2008:svnASUSTeKComputerInc.:pnA8JP:pvr1.0:rvnASUSTeKComputerInc.:rnA8JP:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr:
  dmi.product.name: A8JP
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK Computer Inc.

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References