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[Bug 1393160] Re: Backlight control not working; but entries in /sys/class/backlight.. Vendor: American Megatrends Inc.. Version: 5.6.5

 

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.18 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.18-rc5-vivid/


** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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

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https://bugs.launchpad.net/bugs/1393160

Title:
  Backlight control not working; but entries in /sys/class/backlight..
  Vendor: American Megatrends Inc.. Version: 5.6.5

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Hi there,

  First of all sorry for my broken english.

  Backlight control does not work on my LDLC Mercure MA1-4-HS5 Slim (Vendor: American Megatrends Inc. Version: 5.6.5) with Ubuntu 14.04.1 LTS (Release 14.04).
  I tried to fix this with Xbacklight but it does not work either.

  Here are a few information I can give, I hope it will be useful...

  Thank you for your time !

  [code]# dmidecode 2.12
  SMBIOS 2.8 present.
  40 structures occupying 1810 bytes.
  Table at 0x000EBD30.

  Handle 0x0000, DMI type 0, 24 bytes
  BIOS Information
  	Vendor: American Megatrends Inc.
  	Version: 5.6.5
  	Release Date: 06/09/2014
  	Address: 0xF0000
  	Runtime Size: 64 kB
  	ROM Size: 1024 kB
  	Characteristics:
  		PCI is supported
  		BIOS is upgradeable
  		BIOS shadowing is allowed
  		Boot from CD is supported
  		Selectable boot is supported
  		BIOS ROM is socketed
  		EDD is supported
  		5.25"/1.2 MB floppy services are supported (int 13h)
  		3.5"/720 kB floppy services are supported (int 13h)
  		3.5"/2.88 MB floppy services are supported (int 13h)
  		Print screen service is supported (int 5h)
  		8042 keyboard services are supported (int 9h)
  		Serial services are supported (int 14h)
  		Printer services are supported (int 17h)
  		ACPI is supported
  		USB legacy is supported
  		BIOS boot specification is supported
  		Targeted content distribution is supported
  		UEFI is supported
  	BIOS Revision: 5.6

  Handle 0x0001, DMI type 1, 27 bytes
  System Information
  	Manufacturer: Notebook                       
  	Product Name: W51XTU
  	Version: Not Applicable                  
  	Serial Number: Not Applicable                  
  	UUID: 065BFA80-9E9E-0000-0000-000000000000
  	Wake-up Type: Power Switch
  	SKU Number: To be filled by O.E.M.
  	Family: To be filled by O.E.M.

  Handle 0x0002, DMI type 2, 15 bytes
  Base Board Information
  	Manufacturer: Notebook                       
  	Product Name: W51XTU
  	Version: V1.0
  	Serial Number: Not Applicable                  
  	Asset Tag: Tag 12345
  	Features:
  		Board is a hosting board
  		Board is replaceable
  	Location In Chassis: To be filled by O.E.M.
  	Chassis Handle: 0x0003
  	Type: Motherboard
  	Contained Object Handles: 0

  Handle 0x0003, DMI type 3, 25 bytes
  Chassis Information
  	Manufacturer: To Be Filled By O.E.M.
  	Type: Desktop
  	Lock: Not Present
  	Version: To Be Filled By O.E.M.
  	Serial Number: To Be Filled By O.E.M.
  	Asset Tag: To Be Filled By O.E.M.
  	Boot-up State: Safe
  	Power Supply State: Safe
  	Thermal State: Safe
  	Security Status: None
  	OEM Information: 0x00000000
  	Height: Unspecified
  	Number Of Power Cords: 1
  	Contained Elements: 1
  		<OUT OF SPEC> (0)
  	SKU Number: To be filled by O.E.M.

  Handle 0x0008, DMI type 8, 9 bytes
  Port Connector Information
  	Internal Reference Designator: J1A1
  	Internal Connector Type: None
  	External Reference Designator: PS2Mouse
  	External Connector Type: PS/2
  	Port Type: Mouse Port

  Handle 0x0009, DMI type 8, 9 bytes
  Port Connector Information
  	Internal Reference Designator: J1A1
  	Internal Connector Type: None
  	External Reference Designator: Keyboard
  	External Connector Type: PS/2
  	Port Type: Keyboard Port

  Handle 0x000A, DMI type 8, 9 bytes
  Port Connector Information
  	Internal Reference Designator: J2A1
  	Internal Connector Type: None
  	External Reference Designator: TV Out
  	External Connector Type: Mini Centronics Type-14
  	Port Type: Other

  Handle 0x000B, DMI type 8, 9 bytes
  Port Connector Information
  	Internal Reference Designator: J2A2A
  	Internal Connector Type: None
  	External Reference Designator: COM A
  	External Connector Type: DB-9 male
  	Port Type: Serial Port 16550A Compatible

  Handle 0x000C, DMI type 8, 9 bytes
  Port Connector Information
  	Internal Reference Designator: J2A2B
  	Internal Connector Type: None
  	External Reference Designator: Video
  	External Connector Type: DB-15 female
  	Port Type: Video Port

  Handle 0x000D, DMI type 8, 9 bytes
  Port Connector Information
  	Internal Reference Designator: J3A1
  	Internal Connector Type: None
  	External Reference Designator: USB1
  	External Connector Type: Access Bus (USB)
  	Port Type: USB

  Handle 0x000E, DMI type 8, 9 bytes
  Port Connector Information
  	Internal Reference Designator: J3A1
  	Internal Connector Type: None
  	External Reference Designator: USB2
  	External Connector Type: Access Bus (USB)
  	Port Type: USB

  Handle 0x000F, DMI type 8, 9 bytes
  Port Connector Information
  	Internal Reference Designator: J3A1
  	Internal Connector Type: None
  	External Reference Designator: USB3
  	External Connector Type: Access Bus (USB)
  	Port Type: USB

  Handle 0x0010, DMI type 8, 9 bytes
  Port Connector Information
  	Internal Reference Designator: J5A1
  	Internal Connector Type: None
  	External Reference Designator: LAN
  	External Connector Type: RJ-45
  	Port Type: Network Port

  Handle 0x0011, DMI type 8, 9 bytes
  Port Connector Information
  	Internal Reference Designator: J5A1
  	Internal Connector Type: None
  	External Reference Designator: USB4
  	External Connector Type: Access Bus (USB)
  	Port Type: USB

  Handle 0x0012, DMI type 8, 9 bytes
  Port Connector Information
  	Internal Reference Designator: J9A1 - TPM HDR
  	Internal Connector Type: Other
  	External Reference Designator: Not Specified
  	External Connector Type: None
  	Port Type: Other

  Handle 0x0013, DMI type 8, 9 bytes
  Port Connector Information
  	Internal Reference Designator: J9C1 - PCIE DOCKING CONN
  	Internal Connector Type: Other
  	External Reference Designator: Not Specified
  	External Connector Type: None
  	Port Type: Other

  Handle 0x0014, DMI type 8, 9 bytes
  Port Connector Information
  	Internal Reference Designator: J2B3 - CPU FAN
  	Internal Connector Type: Other
  	External Reference Designator: Not Specified
  	External Connector Type: None
  	Port Type: Other

  Handle 0x0015, DMI type 8, 9 bytes
  Port Connector Information
  	Internal Reference Designator: J6C2 - EXT HDMI
  	Internal Connector Type: Other
  	External Reference Designator: Not Specified
  	External Connector Type: None
  	Port Type: Other

  Handle 0x0016, DMI type 8, 9 bytes
  Port Connector Information
  	Internal Reference Designator: J3C1 - GMCH FAN
  	Internal Connector Type: Other
  	External Reference Designator: Not Specified
  	External Connector Type: None
  	Port Type: Other

  Handle 0x0017, DMI type 8, 9 bytes
  Port Connector Information
  	Internal Reference Designator: J1D1 - ITP
  	Internal Connector Type: Other
  	External Reference Designator: Not Specified
  	External Connector Type: None
  	Port Type: Other

  Handle 0x0018, DMI type 8, 9 bytes
  Port Connector Information
  	Internal Reference Designator: J9E2 - MDC INTPSR
  	Internal Connector Type: Other
  	External Reference Designator: Not Specified
  	External Connector Type: None
  	Port Type: Other

  Handle 0x0019, DMI type 9, 17 bytes
  System Slot Information
  	Designation: J6B2
  	Type: x16 PCI Express
  	Current Usage: In Use
  	Length: Long
  	ID: 0
  	Characteristics:
  		3.3 V is provided
  		Opening is shared
  		PME signal is supported
  	Bus Address: 0000:00:01.0

  Handle 0x001A, DMI type 9, 17 bytes
  System Slot Information
  	Designation: J6B1
  	Type: x1 PCI Express
  	Current Usage: In Use
  	Length: Short
  	ID: 1
  	Characteristics:
  		3.3 V is provided
  		Opening is shared
  		PME signal is supported
  	Bus Address: 0000:00:1c.3

  Handle 0x001B, DMI type 10, 10 bytes
  On Board Device 1 Information
  	Type: Video
  	Status: Enabled
  	Description:    To Be Filled By O.E.M.
  On Board Device 2 Information
  	Type: Ethernet
  	Status: Enabled
  	Description: To Be Filled By O.E.M.
  On Board Device 3 Information
  	Type: Other
  	Status: Enabled
  	Description:    Onboard 1394

  Handle 0x001C, DMI type 11, 5 bytes
  OEM Strings
  	String 1: 1558
  	String 2: OEM String
  	String 3: To Be Filled By O.E.M.
  	String 4: To Be Filled By O.E.M.
  	String 5: BIOS:1.03.04

  Handle 0x001D, DMI type 16, 23 bytes
  Physical Memory Array
  	Location: System Board Or Motherboard
  	Use: System Memory
  	Error Correction Type: None
  	Maximum Capacity: 64 GB
  	Error Information Handle: Not Provided
  	Number Of Devices: 2

  Handle 0x001E, DMI type 19, 31 bytes
  Memory Array Mapped Address
  	Starting Address: 0x00000000000
  	Ending Address: 0x000FFFFFFFF
  	Range Size: 4 GB
  	Physical Array Handle: 0x001D
  	Partition Width: 2

  Handle 0x001F, DMI type 17, 40 bytes
  Memory Device
  	Array Handle: 0x001D
  	Error Information Handle: Not Provided
  	Total Width: 64 bits
  	Data Width: 64 bits
  	Size: 4096 MB
  	Form Factor: DIMM
  	Set: None
  	Locator: A1_DIMM0
  	Bank Locator: A1_BANK0
  	Type: DDR3
  	Type Detail: Unknown
  	Speed: 1333 MHz
  	Manufacturer: Undefined       
  	Serial Number: 27020000  
  	Asset Tag: A1_AssetTagNum0
  	Part Number: CT51264BF160BJ.C8F
  	Rank: 1
  	Configured Clock Speed: 1333 MHz
  	Minimum voltage:  13.080 V
  	Maximum voltage:  -18.348 V
  	Configured voltage:  Unknown

  Handle 0x0020, DMI type 20, 35 bytes
  Memory Device Mapped Address
  	Starting Address: 0x00000000000
  	Ending Address: 0x000FFFFFFFF
  	Range Size: 4 GB
  	Physical Device Handle: 0x001F
  	Memory Array Mapped Address Handle: 0x001E
  	Partition Row Position: Unknown
  	Interleave Position: 1
  	Interleaved Data Depth: 2

  Handle 0x0021, DMI type 17, 40 bytes
  Memory Device
  	Array Handle: 0x001D
  	Error Information Handle: Not Provided
  	Total Width: Unknown
  	Data Width: 64 bits
  	Size: No Module Installed
  	Form Factor: DIMM
  	Set: None
  	Locator: A1_DIMM1
  	Bank Locator: A1_BANK1
  	Type: Unknown
  	Type Detail: Unknown
  	Speed: Unknown
  	Manufacturer: A1_Manufacturer1
  	Serial Number: A1_SerNum1
  	Asset Tag: A1_AssetTagNum1
  	Part Number: Array1_PartNumber1
  	Rank: Unknown
  	Configured Clock Speed: Unknown
  	Minimum voltage:  -17.967 V
  	Maximum voltage:  Unknown
  	Configured voltage:  Unknown

  Handle 0x0022, DMI type 126, 35 bytes
  Inactive

  Handle 0x0023, DMI type 32, 20 bytes
  System Boot Information
  	Status: No errors detected

  Handle 0x0024, DMI type 41, 11 bytes
  Onboard Device
  	Reference Designation:  Onboard IGD
  	Type: Video
  	Status: Enabled
  	Type Instance: 1
  	Bus Address: 0000:00:02.0

  Handle 0x0025, DMI type 41, 11 bytes
  Onboard Device
  	Reference Designation:  Onboard LAN
  	Type: Ethernet
  	Status: Enabled
  	Type Instance: 1
  	Bus Address: 0000:00:19.0

  Handle 0x0026, DMI type 7, 19 bytes
  Cache Information
  	Socket Designation: CPU Internal L1
  	Configuration: Enabled, Not Socketed, Level 1
  	Operational Mode: Write Back
  	Location: Internal
  	Installed Size: 112 kB
  	Maximum Size: 112 kB
  	Supported SRAM Types:
  		Unknown
  	Installed SRAM Type: Unknown
  	Speed: Unknown
  	Error Correction Type: Single-bit ECC
  	System Type: Other
  	Associativity: Other

  Handle 0x0027, DMI type 7, 19 bytes
  Cache Information
  	Socket Designation: CPU Internal L2
  	Configuration: Enabled, Not Socketed, Level 2
  	Operational Mode: Write Back
  	Location: Internal
  	Installed Size: 1024 kB
  	Maximum Size: 1024 kB
  	Supported SRAM Types:
  		Unknown
  	Installed SRAM Type: Unknown
  	Speed: Unknown
  	Error Correction Type: Single-bit ECC
  	System Type: Unified
  	Associativity: 16-way Set-associative

  Handle 0x0028, DMI type 4, 42 bytes
  Processor Information
  	Socket Designation: SOCKET 0
  	Type: Central Processor
  	Family: Celeron
  	Manufacturer: Intel
  	ID: 78 06 03 00 FF FB EB BF
  	Signature: Type 0, Family 6, Model 55, Stepping 8
  	Flags:
  		FPU (Floating-point unit on-chip)
  		VME (Virtual mode extension)
  		DE (Debugging extension)
  		PSE (Page size extension)
  		TSC (Time stamp counter)
  		MSR (Model specific registers)
  		PAE (Physical address extension)
  		MCE (Machine check exception)
  		CX8 (CMPXCHG8 instruction supported)
  		APIC (On-chip APIC hardware supported)
  		SEP (Fast system call)
  		MTRR (Memory type range registers)
  		PGE (Page global enable)
  		MCA (Machine check architecture)
  		CMOV (Conditional move instruction supported)
  		PAT (Page attribute table)
  		PSE-36 (36-bit page size extension)
  		CLFSH (CLFLUSH instruction supported)
  		DS (Debug store)
  		ACPI (ACPI supported)
  		MMX (MMX technology supported)
  		FXSR (FXSAVE and FXSTOR instructions supported)
  		SSE (Streaming SIMD extensions)
  		SSE2 (Streaming SIMD extensions 2)
  		SS (Self-snoop)
  		HTT (Multi-threading)
  		TM (Thermal monitor supported)
  		PBE (Pending break enabled)
  	Version: Intel(R) Celeron(R) CPU N2830 @ 2.16GHz
  	Voltage: 1.2 V
  	External Clock: 83 MHz
  	Max Speed: 2400 MHz
  	Current Speed: 2160 MHz
  	Status: Populated, Enabled
  	Upgrade: Socket BGA1155
  	L1 Cache Handle: 0x0026
  	L2 Cache Handle: 0x0027
  	L3 Cache Handle: Not Provided
  	Serial Number: Not Specified
  	Asset Tag: Fill By OEM
  	Part Number: Fill By OEM
  	Core Count: 2
  	Core Enabled: 2
  	Thread Count: 2
  	Characteristics:
  		64-bit capable

  Handle 0x0029, DMI type 136, 6 bytes
  OEM-specific Type
  	Header and Data:
  		88 06 29 00 00 00

  Handle 0x002A, DMI type 13, 22 bytes
  BIOS Language Information
  	Language Description Format: Long
  	Installable Languages: 1
  		en|US|iso8859-1
  	Currently Installed Language: en|US|iso8859-1

  Handle 0x002B, DMI type 127, 4 bytes
  End Of Table
  [/code]

  
  [code]martin@martin-W51XTU:~$ cat /etc/default/grub
  # If you change this file, run 'update-grub' afterwards to update
  # /boot/grub/grub.cfg.
  # For full documentation of the options in this file, see:
  #   info -f grub -n 'Simple configuration'

  GRUB_DEFAULT=0
  GRUB_HIDDEN_TIMEOUT=0
  GRUB_HIDDEN_TIMEOUT_QUIET=true
  GRUB_TIMEOUT=10
  GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
  GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=Linux acpi_backlight=vendor"
  GRUB_CMDLINE_LINUX=""

  # Uncomment to enable BadRAM filtering, modify to suit your needs
  # This works with Linux (no patch required) and with any kernel that obtains
  # the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)
  #GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef"

  # Uncomment to disable graphical terminal (grub-pc only)
  #GRUB_TERMINAL=console

  # The resolution used on graphical terminal
  # note that you can use only modes which your graphic card supports via VBE
  # you can see them in real GRUB with the command `vbeinfo'
  #GRUB_GFXMODE=640x480

  # Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
  #GRUB_DISABLE_LINUX_UUID=true

  # Uncomment to disable generation of recovery mode menu entries
  #GRUB_DISABLE_RECOVERY="true"

  # Uncomment to get a beep at grub start
  #GRUB_INIT_TUNE="480 440 1"[/code]

  
  [code]martin@martin-W51XTU:~$ ls /sys/class/backlight
  acpi_video0  intel_backlight [/code]


  
  [code]martin@martin-W51XTU:~$ grep -r . /proc/acpi 
  /proc/acpi/battery/BAT0/alarm:alarm:                   unsupported
  /proc/acpi/battery/BAT0/state:present:                 yes
  /proc/acpi/battery/BAT0/state:capacity state:          ok
  /proc/acpi/battery/BAT0/state:charging state:          discharging
  /proc/acpi/battery/BAT0/state:present rate:            unknown
  /proc/acpi/battery/BAT0/state:remaining capacity:      2316 mAh
  /proc/acpi/battery/BAT0/state:present voltage:         12150 mV
  /proc/acpi/battery/BAT0/info:present:                 yes
  /proc/acpi/battery/BAT0/info:design capacity:         2800 mAh
  /proc/acpi/battery/BAT0/info:last full capacity:      2644 mAh
  /proc/acpi/battery/BAT0/info:battery technology:      rechargeable
  /proc/acpi/battery/BAT0/info:design voltage:          11100 mV
  /proc/acpi/battery/BAT0/info:design capacity warning: 280 mAh
  /proc/acpi/battery/BAT0/info:design capacity low:     0 mAh
  /proc/acpi/battery/BAT0/info:cycle count:		  0
  /proc/acpi/battery/BAT0/info:capacity granularity 1:  64 mAh
  /proc/acpi/battery/BAT0/info:capacity granularity 2:  64 mAh
  /proc/acpi/battery/BAT0/info:model number:            BAT
  /proc/acpi/battery/BAT0/info:serial number:           0001
  /proc/acpi/battery/BAT0/info:battery type:            LION
  /proc/acpi/battery/BAT0/info:OEM info:                Notebook
  /proc/acpi/button/lid/LID0/state:state:      open
  /proc/acpi/wakeup:Device	S-state	  Status   Sysfs node
  /proc/acpi/wakeup:XHC1	  S4	*enabled   pci:0000:00:14.0
  /proc/acpi/wakeup:PXSX	  S4	*disabled  pci:0000:01:00.0
  /proc/acpi/wakeup:RLAN	  S4	*disabled  pci:0000:01:00.2
  /proc/acpi/wakeup:PXSX	  S4	*disabled  pci:0000:02:00.0
  /proc/acpi/wakeup:PXSX	  S4	*disabled
  /proc/acpi/wakeup:PXSX	  S4	*disabled
  /proc/acpi/wakeup:PWRB	  S3	*enabled 
  /proc/acpi/wakeup:SLPB	  S3	*enabled 
  /proc/acpi/wakeup:LID0	  S3	*enabled [/code]



  [code]martin@martin-W51XTU:~$ sudo acpidump -o
  Option requires an argument: -o
  Usage: acpidump [options]
  Options:
    -b                Dump tables to binary files
    -c                Dump customized tables
    -h -?             This help message
    -o <File>         Redirect output to file
    -r <Address>      Dump tables from specified RSDP
    -s                Print table summaries only
    -v                Display version information
    -z                Verbose mode

  Table Options:
    -a <Address>      Get table via a physical address
    -f <BinaryFile>   Get table via a binary file
    -n <Signature>    Get table via a name/signature

  Invocation without parameters dumps all available tables
  Multiple mixed instances of -a, -f, and -n are supported[/code]


  
  [code]martin@martin-W51XTU:~$ acpixtract acpidump.txt

  Intel ACPI Component Architecture
  ACPI Binary Table Extraction Utility version 20140214-64 [Mar 29 2014]
  Copyright (c) 2000 - 2014 Intel Corporation

  Could not open file acpidump.txt[/code]


  [code]martin@martin-W51XTU:~$ fwts
  Running 42 tests, results appended to results.log
  Test: Gather kernel system information.                                     
    Gather kernel signature.                                1 info only          
    Gather kernel system information.                       1 info only          
    Gather kernel boot command line.                        1 info only          
    Gather ACPI driver version.                             1 info only          
  Test: Gather BIOS DMI information.                                          
    Gather BIOS DMI information                             1 info only          
  Test: Scan kernel log for Oopses.                                           
    Kernel log oops check.                                  2 passed             
  Test: Scan kernel log for errors and warnings.                              
    Kernel log error check.                                 2 failed             
  Test: MTRR tests.                                                           
   Test aborted.                                                                 
  Test: General ACPI information test.                                        
    Determine Kernel ACPI version.                          1 info only          
    Determine machine's ACPI version.                                            
    Determine AML compiler.                                 1 info only          
  Test: UEFI secure boot test.                                                
   Test aborted.                                                                 
  Test: UEFI Compatibility Support Module test.                               
   Test aborted.                                                                 
  Test: Test firmware has set PCI Express MaxReadReq to a higher value on n.. 
   Test aborted.                                                                 
  Test: Test PCI host bridge configuration using _CRS.                        
   Test aborted.                                                                 
  Test: PCIe ASPM test.                                                       
   Test aborted.                                                                 
  Test: HPET configuration tests.                                             
   Test aborted.                                                                 
  Test: DMI/SMBIOS table tests.                                               
   Test aborted.                                                                 
  Test: Test if system is using latest microcode.                             
   Test aborted.                                                                 
  Test: MSR register tests.                                                   
   Test aborted.                                                                 
  Test: Test if CPU NX is disabled by the BIOS.                               
   Test aborted.                                                                 
  Test: CPU frequency scaling tests.                                          
   Test aborted.                                                                 
  Test: Test max CPU frequencies against max scaling frequency.               
    Maximum CPU frequency test.                             1 passed             
  Test: CPU Virtualisation Configuration test.                                
   Test aborted.                                                                 
  Test: BIOS Support Installation structure test.                             
   Test aborted.                                                                 
  Test: PCI IRQ Routing Table test.                                           
   Test aborted.                                                                 
  Test: OS/2 memory hole test.                                                
    Test the OS/2 15Mb memory hole is absent.               1 passed             
  Test: MultiProcessor Tables tests.                                          
   Test aborted.                                                                 
  Test: HDA Audio Pin Configuration test.                                     
    HDA Audio Pin Configuration test.                       2 passed             
  Test: Test EBDA region is mapped and reserved in memory map table.          
   Test aborted.                                                                 
  Test: BIOS32 Service Directory test.                                        
   Test aborted.                                                                 
  Test: APIC edge/level test.                                                 
    Legacy and PCI Interrupt Edge/Level trigger tests.      1 failed             
  Test: Extract and analyse Windows Management Instrumentation (WMI).         
   Test aborted..                                                                
  Test: ACPI Wakealarm tests.                                                 
   Test aborted.                                                                 
  Test: Re-assemble DSDT and find syntax errors and warnings.                 
    Disassemble and reassemble DSDT                                              
    Disassemble and reassemble SSDT                                              
  Test: Processor Clocking Control (PCC) test.                                
   Test aborted..                                                                
  Test: Disassemble DSDT to check for _OSI("Linux").                          
    Disassemble DSDT to check for _OSI("Linux").            1 aborted            
  Test: ACPI DSDT Method Semantic tests.                                      
   Test aborted..                                                                
  Test: MCFG PCI Express* memory mapped config space test.                    
   Test aborted.                                                                 
  Test: Simple fan tests.                                                     
    Test fan status.                                        3 passed             
    Load system, check CPU fan status.                                           
  Test: FADT SCI_EN enabled tests.                                            
   Test aborted.                                                                 
  Test: DMA Remapping (VT-d) test.                                            
    DMA Remapping test.                                     1 skipped            
  Test: Processor C state support test.                                       
  martin@martin-W51XTU:~$ (CPU 2 of 2)                               :  89.3% [/code]


  
  [code]martin@martin-W51XTU:~$ sudo fwts method
  Running 1 tests, results appended to results.log
  Test: ACPI DSDT Method Semantic tests.                                      
    Test Method Names.                                      1 passed                                                                               
    Test _AEI.                                              1 passed                                                                               
    Test _PIC (Inform AML of Interrupt Model).              3 passed                                                                               
    Test _CID (Compatible ID).                              7 passed                                                                               
    Test _DDN (DOS Device Name).                            7 passed                                                                               
    Test _HID (Hardware ID).                                33 passed                                                                              
    Test _HRV (Hardware Revision Number).                   1 skipped                                                                              
    Test _PLD (Physical Device Location).                   18 passed                                                                              
    Test _SUB (Subsystem ID).                               2 passed                                                                               
    Test _SUN (Slot User Number).                           1 skipped                                                                              
    Test _STR (String).                                     2 failed                                                                               
    Test _UID (Unique ID).                                  23 passed                                                                              
    Test _CDM (Clock Domain).                               1 skipped                                                                              
    Test _CRS (Current Resource Settings).                  27 passed                                                                              
    Test _DIS (Disable).                                    13 passed                                                                              
    Test _DMA (Direct Memory Access).                       1 skipped                                                                              
    Test _FIX (Fixed Register Resource Provider).           1 skipped                                                                              
    Test _GSB (Global System Interrupt Base).               1 skipped                                                                              
    Test _HPP (Hot Plug Parameters).                        1 skipped                                                                              
    Test _PRS (Possible Resource Settings).                 12 passed                                                                              
    Test _PXM (Proximity).                                  1 skipped                                                                              
    Test _EDL (Eject Device List).                          1 skipped                                                                              
    Test _EJD (Ejection Dependent Device).                  1 skipped                                                                              
    Test _EJ0 (Eject).                                      1 skipped                                                                              
    Test _EJ1 (Eject).                                      1 skipped                                                                              
    Test _EJ2 (Eject).                                      1 skipped                                                                              
    Test _EJ3 (Eject).                                      1 skipped                                                                              
    Test _EJ4 (Eject).                                      1 skipped                                                                              
    Test _LCK (Lock).                                       1 skipped                                                                              
    Test _RMV (Remove).                                     5 passed                                                                               
    Test _STA (Status).                                     32 passed                                                                              
    Test _BDN (BIOS Dock Name).                             1 skipped                                                                              
    Test _BBN (Base Bus Number).                            1 passed                                                                               
    Test _DCK (Dock).                                       1 skipped                                                                              
    Test _INI (Initialize).                                 4 passed                                                                               
    Test _SEG (Segment).                                    1 skipped                                                                              
    Test _OFF (Set resource off).                           3 passed                                                                               
    Test _ON  (Set resource on).                            1 skipped                                                                              
    Test _DSW (Device Sleep Wake).                          6 passed                                                                               
    Test _IRC (In Rush Current).                            1 skipped                                                                              
    Test _PRE (Power Resources for Enumeration).            1 skipped                                                                              
    Test _PR0 (Power Resources for D0).                     2 passed                                                                               
    Test _PR1 (Power Resources for D1).                     1 skipped                                                                              
    Test _PR2 (Power Resources for D2).                     1 skipped                                                                              
    Test _PR3 (Power Resources for D3).                     2 passed                                                                               
    Test _PS0 (Power State 0).                              10 passed                                                                              
    Test _PS1 (Power State 1).                              1 skipped                                                                              
    Test _PS2 (Power State 2).                              1 skipped                                                                              
    Test _PS3 (Power State 3).                              10 passed                                                                              
    Test _PSC (Power State Current).                        1 skipped                                                                              
    Test _PSE (Power State for Enumeration).                1 skipped                                                                              
    Test _PSW (Power State Wake).                           7 passed                                                                               
    Test _S1D (S1 Device State).                            1 skipped                                                                              
    Test _S2D (S2 Device State).                            1 skipped                                                                              
    Test _S3D (S3 Device State).                            8 passed                                                                               
    Test _S4D (S4 Device State).                            8 passed                                                                               
    Test _S0W (S0 Device Wake State).                       1 skipped                                                                              
    Test _S1W (S1 Device Wake State).                       1 skipped                                                                              
    Test _S2W (S2 Device Wake State).                       1 skipped                                                                              
    Test _S3W (S3 Device Wake State).                       7 passed                                                                               
    Test _S4W (S4 Device Wake State).                       7 passed                                                                               
    Test _S0_ (S0 System State).                            1 passed                                                                               
    Test _S1_ (S1 System State).                            1 skipped                                                                              
    Test _S2_ (S2 System State).                            1 skipped                                                                              
    Test _S3_ (S3 System State).                            1 passed                                                                               
    Test _S4_ (S4 System State).                            1 passed                                                                               
    Test _S5_ (S5 System State).                            1 passed                                                                               
    Test _SWS (System Wake Source).                         1 skipped                                                                              
    Test _PSS (Performance Supported States).               1 skipped                                                                              
    Test _CPC (Continuous Performance Control).             1 skipped                                                                              
    Test _CSD (C State Dependencies).                       1 skipped                                                                              
    Test _CST (C States).                                   1 skipped                                                                              
    Test _PCT (Performance Control).                        1 skipped                                                                              
    Test _PDL (P-State Depth Limit).                        1 skipped                                                                              
    Test _PPC (Performance Present Capabilities).           1 skipped                                                                              
    Test _PPE (Polling for Platform Error).                 1 skipped                                                                              
    Test _TDL (T-State Depth Limit).                        1 passed                                                                               
    Test _TPC (Throttling Present Capabilities).            4 passed                                                                               
    Test _TSD (Throttling State Dependencies).              4 passed                                                                               
    Test _TSS (Throttling Supported States).                4 passed                                                                               
    Test _MSG (Message).                                    1 skipped                                                                              
    Test _ALC (Ambient Light Colour Chromaticity).          1 skipped                                                                              
    Test _ALI (Ambient Light Illuminance).                  1 skipped                                                                              
    Test _ALT (Ambient Light Temperature).                  1 skipped                                                                              
    Test _ALP (Ambient Light Polling).                      1 skipped                                                                              
    Test _LID (Lid Status).                                 1 passed                                                                               
    Test _UPD (User Presence Detect).                       1 skipped                                                                              
    Test _UPP (User Presence Polling).                      1 skipped                                                                              
    Test _GCP (Get Capabilities).                           1 skipped                                                                              
    Test _GRT (Get Real Time).                              1 skipped                                                                              
    Test _GWS (Get Wake Status).                            1 skipped                                                                              
    Test _STP (Set Expired Timer Wake Policy).              1 skipped                                                                              
    Test _STV (Set Timer Value).                            1 skipped                                                                              
    Test _TIP (Expired Timer Wake Policy).                  1 skipped                                                                              
    Test _TIV (Timer Values).                               1 skipped                                                                              
    Test _SBS (Smart Battery Subsystem).                    1 skipped                                                                              
    Test _BCT (Battery Charge Time).                        1 skipped                                                                              
    Test _BIF (Battery Information).                        1 passed                                                                               
    Test _BIX (Battery Information Extended).               1 skipped                                                                              
    Test _BMA (Battery Measurement Averaging).              1 skipped                                                                              
    Test _BMC (Battery Maintenance Control).                1 skipped                                                                              
    Test _BMD (Battery Maintenance Data).                   1 skipped                                                                              
    Test _BMS (Battery Measurement Sampling Time).          1 skipped                                                                              
    Test _BST (Battery Status).                             1 passed                                                                               
    Test _BTP (Battery Trip Point).                         1 skipped                                                                              
    Test _BTM (Battery Time).                               1 skipped                                                                              
    Test _PCL (Power Consumer List).                                                                                                               
    Test _PIF (Power Source Information).                   1 skipped                                                                              
    Test _PSR (Power Source).                               1 passed                                                                               
    Test _GAI (Get Averaging Level).                        1 skipped                                                                              
    Test _PMM (Power Meter Measurement).                    1 skipped                                                                              
    Test _FIF (Fan Information).                            1 skipped                                                                              
    Test _FSL (Fan Set Level).                              1 skipped                                                                              
    Test _FST (Fan Status).                                 1 skipped                                                                              
    Test _ACx (Active Cooling).                             10 skipped                                                                             
    Test _CRT (Critical Trip Point).                        1 passed                                                                               
    Test _DTI (Device Temperature Indication).              1 skipped                                                                              
    Test _HOT (Hot Temperature).                            1 skipped                                                                              
    Test _NTT (Notification Temp Threshold).                1 skipped                                                                              
    Test _PSV (Passive Temp).                               1 skipped                                                                              
    Test _RTV (Relative Temp Values).                       1 skipped                                                                              
    Test _SCP (Set Cooling Policy).                         1 skipped                                                                              
    Test _TC1 (Thermal Constant 1).                         1 skipped                                                                              
    Test _TC2 (Thermal Constant 2).                         1 skipped                                                                              
    Test _TMP (Thermal Zone Current Temp).                  1 passed                                                                               
    Test _TPT (Trip Point Temperature).                     1 skipped                                                                              
    Test _TSP (Thermal Sampling Period).                    1 skipped                                                                              
    Test _TST (Temperature Sensor Threshold).               1 skipped                                                                              
    Test _TZP (Thermal Zone Polling).                       1 skipped                                                                              
    Test _PTS (Prepare to Sleep).                           5 passed                                                                               
    Test _TTS (Transition to State).                        1 skipped                                                                              
    Test _S0  (System S0 State).                            1 skipped                                                                              
    Test _S1  (System S1 State).                            1 skipped                                                                              
    Test _S2  (System S2 State).                            1 skipped                                                                              
    Test _S3  (System S3 State).                            1 skipped                                                                              
    Test _S4  (System S4 State).                            1 skipped                                                                              
    Test _S5  (System S5 State).                            1 skipped                                                                              
    Test _WAK (System Wake).                                5 passed                                                                               
    Test _ADR (Return Unique ID for Device).                75 passed                                                                              
    Test _BCL (Query List of Brightness Control Levels S..  1 passed                                                                               
    Test _BCM (Set Brightness Level).                       1 passed                                                                               
    Test _BQC (Brightness Query Current Level).             1 passed                                                                               
    Test _DCS (Return the Status of Output Device).         9 passed                                                                               
    Test _DDC (Return the EDID for this Device).            1 skipped                                                                              
    Test _DSS (Device Set State).                           9 passed                                                                               
    Test _DGS (Query Graphics State).                       9 passed                                                                               
    Test _DOD (Enumerate All Devices Attached to Display..  1 passed                                                                               
    Test _DOS (Enable/Disable Output Switching).            1 passed                                                                               
    Test _GPD (Get POST Device).                            1 skipped                                                                              
    Test _ROM (Get ROM Data).                               1 skipped                                                                              
    Test _SPD (Set POST Device).                            1 skipped                                                                              
    Test _VPO (Video POST Options).                         1 skipped                                                                              
    Test _CBA (Configuration Base Address).                 1 skipped                                                                              
    Test _IFT (IPMI Interface Type).                        1 skipped                                                                              
    Test _SRV (IPMI Interface Revision).                    1 skipped [/code]


  
  [code]martin@martin-W51XTU:~$ dmesg | grep 'ACPI: Video'
  [    8.092146] ACPI: Video Device [GFX0] (multi-head: yes  rom: no  post: no)[/code]

  
  [code]martin@martin-W51XTU:~$ cat /proc/version
  Linux version 3.13.0-32-generic (buildd@kissel) (gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1) ) #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014[/code]


  Thanks a lot in advance !

  
  Martin

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-32-generic 3.13.0-32.57 [modified: boot/vmlinuz-3.13.0-32-generic]
  ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
  Uname: Linux 3.13.0-32-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  martin     1948 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Sun Nov 16 10:19:50 2014
  HibernationDevice: RESUME=UUID=0e708f03-a742-4017-9e19-a7810933f42c
  InstallationDate: Installed on 2014-11-15 (0 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 004: ID 04f2:b43b Chicony Electronics Co., Ltd 
   Bus 001 Device 003: ID 058f:6254 Alcor Micro Corp. USB Hub
   Bus 001 Device 002: ID 8087:07dc Intel Corp. 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Notebook W51XTU
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-32-generic root=UUID=108b5bfe-7cb6-4d1d-a4a7-deb2bc697f72 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-32-generic N/A
   linux-backports-modules-3.13.0-32-generic  N/A
   linux-firmware                             1.127.5
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 06/09/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 5.6.5
  dmi.board.asset.tag: Tag 12345
  dmi.board.name: W51XTU
  dmi.board.vendor: Notebook
  dmi.board.version: V1.0
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: To Be Filled By O.E.M.
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr5.6.5:bd06/09/2014:svnNotebook:pnW51XTU:pvrNotApplicable:rvnNotebook:rnW51XTU:rvrV1.0:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
  dmi.product.name: W51XTU
  dmi.product.version: Not Applicable
  dmi.sys.vendor: Notebook

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References