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[Bug 1094722] Re: [HP Compaq nx7400] Raring: regression: fan keeps spinning at full speed after suspend


Stephen Matin / fincsi, if you have a bug in Ubuntu, the Ubuntu Kernel team, Ubuntu Bug Control team, and Ubuntu Bug Squad would like you to please file a new report by executing the following in a terminal while booted into a Ubuntu repository kernel (not a mainline one) via:
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  [HP Compaq nx7400] Raring: regression: fan keeps spinning at full
  speed after suspend

Status in “linux” package in Ubuntu:
  Fix Released
Status in “linux” source package in Raring:
Status in “linux” source package in Saucy:
  Fix Released

Bug description:
  With quantal i had no problem to suspend.
  Now with raring the fan spins at full speed after suspend.
  I found this:
  after creating the file the fan stopped spinning at full speed but it never came back
  to the normal speed. It spins still to fast.

  I think there is a bug in the acpi of this laptop. One of the temp sensors is aquatualy the fan speed.
  So i think there is some loop happening. the fan spins because it thinks it's too hot but actualy its the fanspeed itself.

  but however, with quantal (and i think older versions also) this didn't happen.
  So regression.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: linux-image-3.7.0-7-generic 3.7.0-7.15
  ProcVersionSignature: Ubuntu 3.7.0-7.15-generic 3.7.0
  Uname: Linux 3.7.0-7-generic x86_64
  ApportVersion: 2.7-0ubuntu2
  Architecture: amd64
   /dev/snd/controlC0:  filip1304   1639 F.... pulseaudio
  Date: Sun Dec 30 19:47:40 2012
  HibernationDevice: RESUME=UUID=af3e5ce4-1130-4358-b886-81652437a297
  MachineType: Hewlett-Packard HP Compaq nx7400 (RH399EA#UUG)
  MarkForUpload: True
   Socket 0:
     no product info available
   Socket 0:
     no card
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.7.0-7-generic root=UUID=0f9b540c-8507-485e-b867-92cbb0a68ae7 ro rootflags=subvol=@ quiet splash vt.handoff=7
   linux-restricted-modules-3.7.0-7-generic N/A
   linux-backports-modules-3.7.0-7-generic  N/A
   linux-firmware                           1.98
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/27/2008
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 68YGU Ver. F.0E
  dmi.board.name: 30A2
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: KBC Version 40.17
  dmi.chassis.asset.tag: CNU6421VZN
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr68YGUVer.F.0E:bd08/27/2008:svnHewlett-Packard:pnHPCompaqnx7400(RH399EA#UUG):pvrF.0E:rvnHewlett-Packard:rn30A2:rvrKBCVersion40.17:cvnHewlett-Packard:ct10:cvr:
  dmi.product.name: HP Compaq nx7400 (RH399EA#UUG)
  dmi.product.version: F.0E
  dmi.sys.vendor: Hewlett-Packard

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