Rui Figueiredo | 9 Nov 14:19 2014
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Lenovo w540 Unsupported brightness interface, please contact ibm-acpi-devel

Hi, 

When i boot appears a msg  Unsupported brightness interface, please contact ibm-acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org.

Bios Version:

$ sudo dmidecode -s bios-version
GNET66WW (2.14 )

Hardware name: LENOVO 20BG001KPG/20BG001KPG, BIOS GNET66WW (2.14 ) 07/02/2014


I check dmesg:

$ dmesg | grep acpi             
[    0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x01] enabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x02] enabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x04] lapic_id[0x03] enabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x05] lapic_id[0x04] enabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x06] lapic_id[0x05] enabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x07] lapic_id[0x06] enabled)
[    0.000000] ACPI: LAPIC (acpi_id[0x08] lapic_id[0x07] enabled)
[    0.000000] ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
[    0.000000] ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
[    0.263739] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
[    0.448872] acpi LNXIOBAY:00: ACPI dock station (docks/bays count: 1)
[    0.467774] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI]
[    0.468069] acpi PNP0A08:00: _OSC: platform does not support [PCIeHotplug AER PCIeCapability]
[    0.468214] acpi PNP0A08:00: _OSC: not requesting control; platform does not support [PCIeCapability]
[    0.468220] acpi PNP0A08:00: _OSC: OS requested [PCIeHotplug PME AER PCIeCapability]
[    0.468224] acpi PNP0A08:00: _OSC: platform willing to grant [PME]
[    0.468228] acpi PNP0A08:00: _OSC failed (AE_SUPPORT); disabling ASPM
[    0.496532] acpiphp: Slot [1] registered
[    0.496773] acpiphp: Slot [1-1] registered
[   11.785602] thinkpad_acpi: ThinkPad ACPI Extras v0.25
[   11.785603] thinkpad_acpi: http://ibm-acpi.sf.net/
[   11.785603] thinkpad_acpi: ThinkPad BIOS GNET66WW (2.14 ), EC unknown
[   11.785604] thinkpad_acpi: Lenovo ThinkPad W540, model 20BG001KPG
[   11.786132] thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
[   11.786147] thinkpad_acpi: radio switch found; radios are enabled
[   11.786236] thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness control, supported by the ACPI video driver
[   11.786236] thinkpad_acpi: Disabling thinkpad-acpi brightness events by default...
[   11.787332] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is unblocked
[   11.787833] thinkpad_acpi: Console audio control enabled, mode: monitor (read only)
[   11.789180] input: ThinkPad Extra Buttons as /devices/platform/thinkpad_acpi/input/input8
[  116.948610] Modules linked in: ctr ccm bbswitch(O) pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) binfmt_misc bnep nfsd auth_rpcgss oid_registry nfs_acl nfs lockd fscache sunrpc snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic hid_generic uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev usbhid media hid x86_pkg_temp_thermal intel_powerclamp intel_rapl thinkpad_acpi snd_hda_intel ecb coretemp kvm_intel kvm btusb crc32_pclmul aesni_intel aes_i586 bluetooth snd_hda_controller 6lowpan_iphc snd_hda_codec xts snd_hwdep i915 lrw snd_pcm joydev snd_timer gf128mul nvram arc4 snd ablk_helper iTCO_wdt drm_kms_helper iwlmvm mac80211 cryptd iwlwifi cfg80211 iTCO_vendor_support drm evdev psmouse soundcore serio_raw shpchp i2c_algo_bit i2c_i801 i2c_core ac
[  583.952282] thinkpad_acpi: EC reports that Thermal Table has changed

and

$ lsmod | grep video
uvcvideo               69805  0 
videobuf2_vmalloc      12720  1 uvcvideo
videobuf2_memops       12471  1 videobuf2_vmalloc
videobuf2_core         39059  1 uvcvideo
v4l2_common            12867  1 videobuf2_core
videodev              107701  3 uvcvideo,v4l2_common,videobuf2_core
media                  17842  2 uvcvideo,videodev
i2c_core               36838  7 drm,i915,i2c_i801,drm_kms_helper,i2c_algo_bit,v4l2_common,videodev
video                  17705  1 i915
usbcore               170994  6 btusb,uvcvideo,ehci_hcd,ehci_pci,usbhid,xhci_hcd
thermal_sys            27122  5 video,intel_powerclamp,thermal,processor,x86_pkg_temp_thermal

and

cat /etc/pm/config.d/thinkpad_acpi 
SUSPEND_MODULES="thinkpad_acpi"

I'm using Debian Jessie - Linux  3.16-3-686-pae #1 SMP Debian 3.16.5-1 (2014-10-10) i686 GNU/Linux

Is there a fix for these?

Regards,
Rui
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Pedro Ribeiro | 8 Nov 18:32 2014
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Backlight keys not working on T430

Hi,

I've just upgraded from a T400 to a T430 and the backlight keys are not working.
dmesg says:

[    2.362740] thinkpad_ec: thinkpad_ec_request_row: arg0 rejected:
(0x01:0x00)->0x00
[    2.362825] thinkpad_ec: thinkpad_ec_read_row: failed requesting
row: (0x01:0x00)->0xfffffffb
[    2.362907] thinkpad_ec: initial ec test failed
<... snip ...>
[    2.421296] thinkpad_acpi: ThinkPad ACPI Extras v0.25
[    2.421299] thinkpad_acpi: http://ibm-acpi.sf.net/
[    2.421300] thinkpad_acpi: ThinkPad BIOS G1ETA6WW (2.66 ), EC unknown
[    2.421301] thinkpad_acpi: Lenovo ThinkPad T430, model 2349V9Q
[    2.421629] thinkpad_acpi: Unsupported brightness interface, please
contact ibm-acpi-devel@...
[    2.421717] thinkpad_acpi: radio switch found; radios are enabled
[    2.421785] thinkpad_acpi: This ThinkPad has standard ACPI
backlight brightness control, supported by the ACPI video driver
[    2.421786] thinkpad_acpi: Disabling thinkpad-acpi brightness
events by default...
[    2.422895] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio
is unblocked
[    2.423422] thinkpad_acpi: Console audio control enabled, mode:
monitor (read only)

I'm using Debian testing with the 3.16 kernel. Is there a fix for this?

Regards,
Pedro

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Kevin Gibson | 22 Aug 15:13 2014
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thinkpad_acpi: THERMAL ALERT: unhandled HKEY event 0x6040

Team,

I get these events in my /var/log/messages every time I unplug my USB laptop cooler fan.

Aug 22 09:03:17 gibsonk kernel: thinkpad_acpi: THERMAL ALERT: unknown thermal alarm received
Aug 22 09:03:17 gibsonk kernel: thinkpad_acpi: unhandled HKEY event 0x6040
Aug 22 09:03:17 gibsonk kernel: thinkpad_acpi: please report the conditions when this event happened to ibm-acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Aug 22 09:03:17 gibsonk kernel: thinkpad_acpi: EC reports that Thermal Table has changed


Thanks,
Kevin T. Gibson

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Anthony S Whiteley | 27 Aug 22:05 2014
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W540 Temp errors

Aug 27 14:44:12 twhiteley2 kernel: thinkpad_acpi: THERMAL ALERT: unknown thermal alarm received
Aug 27 14:44:12 twhiteley2 kernel: thinkpad_acpi: unhandled HKEY event 0x6000
Aug 27 14:44:12 twhiteley2 kernel: thinkpad_acpi: please report the conditions when this event happened to ibm-acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org

Constant messages:
Aug 27 13:35:10 twhiteley2 kernel: CPU1: Package temperature above threshold, cpu clock throttled (total events = 24433)
Aug 27 13:35:10 twhiteley2 kernel: CPU3: Core temperature above threshold, cpu clock throttled (total events = 17130)
Aug 27 13:35:10 twhiteley2 kernel: CPU4: Package temperature above threshold, cpu clock throttled (total events = 24433)
Aug 27 13:35:10 twhiteley2 kernel: CPU5: Package temperature above threshold, cpu clock throttled (total events = 24433)
Aug 27 13:35:10 twhiteley2 kernel: CPU6: Package temperature above threshold, cpu clock throttled (total events = 24433)
Aug 27 13:35:10 twhiteley2 kernel: CPU7: Package temperature above threshold, cpu clock throttled (total events = 24433)
Aug 27 13:35:10 twhiteley2 kernel: CPU3: Package temperature above threshold, cpu clock throttled (total events = 24433)
Aug 27 13:35:10 twhiteley2 kernel: CPU2: Package temperature above threshold, cpu clock throttled (total events = 24433)
Aug 27 13:35:10 twhiteley2 kernel: CPU2: Core temperature/speed normal
Aug 27 13:35:10 twhiteley2 kernel: CPU0: Package temperature/speed normal
Aug 27 13:35:10 twhiteley2 kernel: CPU1: Package temperature/speed normal
Aug 27 13:35:10 twhiteley2 kernel: CPU3: Core temperature/speed normal
Aug 27 13:35:10 twhiteley2 kernel: CPU3: Package temperature/speed normal
Aug 27 13:35:10 twhiteley2 kernel: CPU2: Package temperature/speed normal
Aug 27 13:35:10 twhiteley2 kernel: CPU5: Package temperature/speed normal
Aug 27 13:35:10 twhiteley2 kernel: CPU6: Package temperature/speed normal
Aug 27 13:35:10 twhiteley2 kernel: CPU4: Package temperature/speed normal
Aug 27 13:35:10 twhiteley2 kernel: CPU7: Package temperature/speed normal
Aug 27 13:36:26 twhiteley2 kernel: CPU1: Core temperature above threshold, cpu clock throttled (total events = 7484)
Aug 27 13:36:26 twhiteley2 kernel: CPU0: Core temperature above threshold, cpu clock throttled (total events = 7484)
Aug 27 13:36:26 twhiteley2 kernel: CPU1: Core temperature/speed normal
Aug 27 13:36:26 twhiteley2 kernel: CPU0: Core temperature/speed normal

[root <at> twhiteley2 ~]# cat /proc/acpi/ibm/fan
status: enabled
speed: 2325
level: auto

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    Daniil Satsura | 29 Aug 17:28 2014
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    fn key not functioning with thinkpad_acpi

    Hi,
    
    I have thinkpad X1 carbon 2nd (machine type 20A7)
    carbon danix # uname -a
    Linux carbon 3.14.14-gentoo #4 SMP Fri Aug 29 14:11:24 FET 2014 x86_64
    Intel(R) Core(TM) i7-4600U CPU  <at>  2.10GHz GenuineIntel GNU/Linux
    carbon danix # dmidecode -s system-product-name
    20A7002WUS
    carbon danix # dmidecode -s bios-version
    GRET39WW (1.16 )
    
    Function key Fn worked good until I turned on thinkpad-acpi in kernel.
    Now it does not function and i got following messages in dmesg:
    
    [14685.702873] thinkpad_acpi: unhandled HKEY event 0x1101
    [14685.702877] thinkpad_acpi: please report the conditions when this
    event happened to ibm-acpi-devel@...
    
    Best regards,
    Daniil Satsura
    
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    Павел Грязнов | 21 Sep 04:07 2014
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    Lenovo ThinkPad Edge e330

    Hello, dmesg told me to send you a letter)

    [  557.159878] thinkpad_acpi: unknown possible thermal alarm or keyboard event received
    [  557.159886] thinkpad_acpi: unhandled HKEY event 0x6060
    [  557.159890] thinkpad_acpi: please report the conditions when this event happened to ibm-acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org

    I pressed Alt+Fn+s
    In BIOS the mode when you push-pull Fn key and the press any Fn+key is on.
    showkey -s output
    0x38 0xe0 0x63 0x38
    when pressed

    Just don't know what to test next)
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    Edvin Aj Hultberg | 25 Aug 18:36 2014
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    Unsupported brightness interface

    Hello, I got an error message while booting ubuntu 14.04 64-bit.

    Error:
    thinkpad_acpi: Unsupported brightness interface, please contact ibm-acpi-devel-5NWGOfrQmndRYHbF4JBHZw@public.gmane.orgge.net
    nouveau E[   PIBUS][0000:01:00.0] GPC0: 0x4188ac 0x00000001 (0x1d70822e)

    My computer won't boot past this point

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    若水三千 | 12 Sep 14:33 2014

    ask for help about "thinkpad_acpi:unsuported brightness interface"

    every body:
         hi! I need your help.
         when I installed ubuntu 14.04 (64bits) via usb flash disk ,I had to set "acpi=off" and  "noacpi".
    but when the system was install successfully,I found I couldn't shutdown the ubuntu with command
    "sudo shutdown -h now" or click the shutdown button on my desktop.it freezed on the picture with
    purple backgroud and some splashes on it . but it worked fine when I just reboot the system . for all
    I kown ,the the acpi is important for sytem to manage the power. If I shutdown the acpi function,I need
    to press the power button every time when I want to shutdown the computer ; and the lack of acpi function
    may harm my hadware.
       I use thinkpad E425, and  I have try add "acpi_osi=linux" ,"acpi=ht","thinkpad_acpi.brightness_enable=1",
    but none of thems worked.
       any idea to solve the problem? thanks a lot.
    bheis
     
     
     
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    Andrea Oliveri | 30 Jul 12:18 2014
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    Support for EC version in newer Thinkpads

    Hello,
    I'm sorry for my bad english..
    I have a Thinkpad T430 and i see that the driver doesn't find the EC
    version for my laptop so it doesn't enable some features (like thermal
    sensors).
    I have found that T430 doesn't have an EC version string in OEM DMI
    strings, but it has a major and minor version number of the EC in record
    0 (BIOS type) of DMI (like 2.8 SMBIOS specifications
    http://dmtf.org/sites/default/files/standards/documents/DSP0134_2.8.0.pdf ).
    I think that, maybe, we can change the way with which driver obtains
    BIOS and EC version, simply catching them from record 0 (BIOS) of DMI,
    in particular from BIOS Version,Embedded Controller Firmware Major
    Release, Embedded Controller Firmware Minor Release strings and not from
    OEM strings, that they are not complete in new Thinkpads.
    I have written a kernel patch to enable kernel API to return Embedded
    Controller Firmware Release fields and, maybe, i could send it to kernel
    mantainers.
    Otherwise, maybe, it's possible to obtain Embedded Controller Firmware
    Version directly from EC, when we are sure that the laptop is a
    Thinkpad, because they are presented in some EC registers.
    Thank you
    
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    Alex Hirsch | 29 Jul 22:19 2014

    Lenovo E330 unhandled HKEY event 0x6060

    hi there,
    i am having problems with the thinkpad_acpi module after the last system
    update. i am running archlinux and the brightness do not work anymore.
    
    system log says unhandled HKEY event 0x6060
    
    $ uname -r
    3.15.7-1-ARCH
    
    $ cat /proc/acpi/ibm/driver
    driver:		ThinkPad ACPI Extras
    version:	0.25
    
    $ cat /proc/acpi/ibm/brightness
    level:		0
    commands:	up, down
    commands:	level <level> (<level> is 0-7)
    
    what additional information do you require?
    
    - Alex
    
    
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    Arjun AK | 23 Jun 09:20 2014
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    Fixing the mute button on SL410

    Right now the mute button on the SL410 doesn't work properly. In order for the sound to be muted you need to
    press the mute button followed by one of the volume buttons (see
    https://bugs.launchpad.net/ubuntu/+source/linux/+bug/994274). But changing the keymap as
    follows fixes the issue.
    
     <at>  <at>  -3157,7 +3157,7  <at>  <at>  static int __init hotkey_init(struct ibm_init_struct *iibm)
                     */
                    KEY_RESERVED,   /* 0x14: VOLUME UP */
                    KEY_RESERVED,   /* 0x15: VOLUME DOWN */
    -               KEY_RESERVED,   /* 0x16: MUTE */
    +               KEY_MUTE,       /* 0x16: MUTE */
    
                    KEY_VENDOR,     /* 0x17: Thinkpad/AccessIBM/Lenovo */
    
    The LED still doesn't work, but hey, at least mute works. The comments above it says that the "firmware may
    react very differently" if the keymap is changed. So is it okay to change the keymap? Would there be any side effects?
    
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