I tested 14.04 LTS, 16.04 LTS, 16.10 (with both kernels - ordinary and
mainline) - the bug exists only on 12.04 LTS with 3.2 kernel. So the bug
is 'Confirmed' and I added 'kernel-fixed-upstream' tag.

Thank you, Joseph!

** Tags added: kernel-fixed-upstream

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

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https://bugs.launchpad.net/bugs/1602241

Title:
  "[drm:gen6_sanitize_pm] *ERROR* Power management discrepancy:
  GEN6_RP_INTERRUPT_LIMITS" messages in syslog

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I have two error messages on my Asustek UX32A laptop.
  They are:

  Jul 12 12:23:23 norbert-flash kernel: [   21.384213] [drm:gen6_sanitize_pm] 
*ERROR* Power management discrepancy: GEN6_RP_INTERRUPT_LIMITS expected 
18000000, was 12060000
  Jul 12 15:23:43 norbert-flash kernel: [   41.084122] [drm:gen6_sanitize_pm] 
*ERROR* Power management discrepancy: GEN6_RP_INTERRUPT_LIMITS expected 
18070000, was 18000000

  It seems that 3.2 kernel is not compatible with my CPU/GPU (Intel
  i7-3537U).

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-generic-pae 3.2.0.101.117
  ProcVersionSignature: Ubuntu 3.2.0-104.145-generic-pae 3.2.79
  Uname: Linux 3.2.0-104-generic-pae i686
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu17.13
  Architecture: i386
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: PCH [HDA Intel PCH], device 0: ALC269VB Analog [ALC269VB Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  norbert    2360 F.... pulseaudio
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7d18000 irq 45'
     Mixer name : 'Intel PantherPoint HDMI'
     Components : 'HDA:10ec0269,10431507,00100100 
HDA:80862806,80860101,00100000'
     Controls      : 18
     Simple ctrls  : 8
  Date: Tue Jul 12 15:30:06 2016
  HibernationDevice: RESUME=UUID=29a538af-86ee-47e2-9e0f-225270b11d48
  InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release i386 
(20130213)
  MachineType: ASUSTeK COMPUTER INC. UX32A
  MarkForUpload: True
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-104-generic-pae 
root=UUID=cd849a78-bc1b-11e4-a81b-74d435a2779c ro verbose init=/sbin/init -v 
noplymouth mem=3536M
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-104-generic-pae N/A
   linux-backports-modules-3.2.0-104-generic-pae  N/A
   linux-firmware                                 1.79.18
  SourcePackage: linux
  StagingDrivers: rts5139 mei
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/12/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: UX32A.216
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: UX32A
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrUX32A.216:bd02/12/2014:svnASUSTeKCOMPUTERINC.:pnUX32A:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnUX32A:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: UX32A
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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