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



I've got a Compaq Presario B1207, and met the problem a few days ago.
(Fresh Ubuntu 13.04 install)

I've tried to upgrade to 3.9.0 stable from the PPA sources
(http://kernel.ubuntu.com/~kernel-ppa/mainline/), but no luck till now.
I didn't got to the point where I could test the pm functions.

On boot there is no WiFi, and indicator-bluetooth crashes. (I suppose
also no bluetooth at all, but I forgot to check that) Wlan is Broadcom
BCM4311. It seems all the wireless things go away with 3.9.0.

I've got pretty slow internet connection right now, I'll check other
kernels as soon as I get back to the civilisation.

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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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