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[Bug 1543194] Re: [HP Compaq 6720s] Fan at full speed after suspend


pieter k, the next step is to fully reverse commit bisect from kernel
4.4 to 4.5-rc3 in order to identify the last bad commit, followed
immediately by the first good one. Once this good commit has been
identified, it may be reviewed for backporting. Could you please do this

Please note, finding adjacent kernel versions is not fully commit

After the fix commit (not kernel version) has been identified, then
please mark this report Status Confirmed.

Thank you for your understanding.

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** Tags added: kernel-fixed-upstream kernel-fixed-upstream-4.5-rc3

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   [HP Compaq 6720s] Fan at full speed after suspend

Status in linux package in Ubuntu:

Bug description:
  I'm running Ubuntu 16.04 Xenial 64 bit on my compaq 7620s. Bug 1245164 came back. After suspension the fan makes a loud noise and it continues to do so.
  In fact I also noticed it on 15.10. 
  Also in 14.04.3 it was wrong. But I followed some advice on the internet and after that it behaved good.

  But I can't find a cure for the issue now. Just as I couldn't with 15.10
  ApportVersion: 2.19.4-0ubuntu2
  Architecture: amd64
   /dev/snd/controlC0:  slmpe      1216 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 16.04
  HibernationDevice: RESUME=UUID=c0829020-bf7b-4ef4-a77c-476f90fde613
  InstallationDate: Installed on 2016-02-08 (0 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160208)
  MachineType: Hewlett-Packard HP Compaq 6720s
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-2-generic root=UUID=80d9c9ab-f646-44e0-bb41-c66c93fcb53e ro quiet splash
  ProcVersionSignature: Ubuntu 4.4.0-2.16-generic 4.4.0
   linux-restricted-modules-4.4.0-2-generic N/A
   linux-backports-modules-4.4.0-2-generic  N/A
   linux-firmware                           1.155
  Tags:  xenial
  Uname: Linux 4.4.0-2-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 11/04/2008
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68MDU Ver. F.0D
  dmi.board.name: 30D8
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 83.0E
  dmi.chassis.asset.tag: CNU80831FG
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr68MDUVer.F.0D:bd11/04/2008:svnHewlett-Packard:pnHPCompaq6720s:pvrF.0D:rvnHewlett-Packard:rn30D8:rvrKBCVersion83.0E:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP Compaq 6720s
  dmi.product.version: F.0D
  dmi.sys.vendor: Hewlett-Packard

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