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["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

bruno pennec, typically bugs are considered fixed when no WORKAROUNDs
are required to have the desired functionality. However, if this works
for you, and you would not like anyone to continue to investigate the
issue as it is in 14.10, please feel free to mark this Status Invalid at
the top of the bug report.

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https://bugs.launchpad.net/bugs/1074960

Title:
  [Toshiba L850D-11Z] Backlight keys don't work with fglrx-installer

Status in “fglrx-installer” package in Ubuntu:
  New
Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Backlight keys work (I get the slider on screen) , but there is no
  change on brightness.

  Other tests :
     - kernel 3.6.5 (ppa) gives same result than kernel 3.5.0-17 (default 12.10 configuration)
     - when Backlight is set to a new value(on the slider), a sleep and a wake up set the correct value on screen brightness

     - L850D-11Z is a dual GPU (AMD A8), so I take a look at acpi tree :
              - there is 2 directory acpi_vga0 and acpi_vga1 for the 2 radeon GPU
              - /sys/class/backlight/acpi_vgaX/actual_brightness had the right value (in the 2 directory)
              - changing /sys/class/backlight/acpi_vgaX/brightness change actual_brightness but had no effect on screen  too

  From the log :
  On dmesg, i have this 2 errors, but they don't seem to be related to backlight variable _BCL :
  [   30.212195] ACPI Error: Method parse/execution failed [\_SB_.PCI0.VGA_.AF03] (Node ffff8801a665c000), AE_AML_INFINITE_LOOP (20120711/psparse-536)
  [   30.212214] ACPI Error: Method parse/execution failed [\_SB_.PCI0.VGA_.ATIF] (Node ffff8801a665ad98), AE_AML_INFINITE_LOOP (20120711/psparse-536)

  I do the standard reports on acpi, and get the following result :

  In result.log :
  PASSED: Test 88, Method _BCL returned a sane package of 10 integers.
  PASSED: Test 88, \_SB_.PCI0.PB3_.VGA_.LCD_._BCL correctly acquired and released locks 5 times.

  Test 89 of 94: Check _BCM (Set Brightness Level).
  ACPICA Exception AE_AML_PACKAGE_LIMIT during execution of method BLMP
  FAILED [CRITICAL] AEAMLPackgeLimit: Test 89, Detected error 'Package limit' when evaluating
  '\_SB_.PCI0.VGA_.LCD_._BCM'.
  PASSED: Test 89, \_SB_.PCI0.VGA_.LCD_._BCM correctly acquired and released locks 7 times.
  ACPICA Exception AE_AML_PACKAGE_LIMIT during execution of method BLMP
  FAILED [CRITICAL] AEAMLPackgeLimit: Test 89, Detected error 'Package limit' when evaluating
  '\_SB_.PCI0.PB2_.VGA_.LCD_._BCM'.
  PASSED: Test 89, \_SB_.PCI0.PB2_.VGA_.LCD_._BCM correctly acquired and released locks 7 times.
  ACPICA Exception AE_AML_PACKAGE_LIMIT during execution of method BLMP
  FAILED [CRITICAL] AEAMLPackgeLimit: Test 89, Detected error 'Package limit' when evaluating
  '\_SB_.PCI0.PB3_.VGA_.LCD_._BCM'.
  PASSED: Test 89, \_SB_.PCI0.PB3_.VGA_.LCD_._BCM correctly acquired and released locks 7 times.

  So i join DSDT.dsl to this report. I would add result.log if it is
  needed.

  WORKAROUND: Use the open source radeon driver.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: linux-image-3.5.0-17-generic 3.5.0-17.28
  ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
  Uname: Linux 3.5.0-17-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.6.1-0ubuntu6
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  bpennec    2051 F.... pulseaudio
   /dev/snd/controlC0:  bpennec    2051 F.... pulseaudio
  Date: Sun Nov  4 20:14:31 2012
  HibernationDevice: RESUME=UUID=4de0f688-762d-4c47-92ca-902baa5062a1
  InstallationDate: Installed on 2012-11-02 (2 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MachineType: TOSHIBA SATELLITE L850D-11Z
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-17-generic root=UUID=43b5124e-2519-4e84-affb-124b98be7670 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-17-generic N/A
   linux-backports-modules-3.5.0-17-generic  N/A
   linux-firmware                            1.95
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/31/2012
  dmi.bios.vendor: Insyde Corp.
  dmi.bios.version: 1.20
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: Pumori
  dmi.board.vendor: AMD
  dmi.board.version: Base Board Version
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: OEM Chassis Manufacturer
  dmi.chassis.version: OEM Chassis Version
  dmi.modalias: dmi:bvnInsydeCorp.:bvr1.20:bd07/31/2012:svnTOSHIBA:pnSATELLITEL850D-11Z:pvrPSKECE-01G009FR:rvnAMD:rnPumori:rvrBaseBoardVersion:cvnOEMChassisManufacturer:ct10:cvrOEMChassisVersion:
  dmi.product.name: SATELLITE L850D-11Z
  dmi.product.version: PSKECE-01G009FR
  dmi.sys.vendor: TOSHIBA

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