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#1 2016-06-30 09:27:45

OdinEidolon
Member
From: Belluno - Italy
Registered: 2011-01-31
Posts: 498

Fn keys on Thinkpad 11e have a large delay

[EDIT]
It's not actually only the backlight keys that have this delay. Also the search key, which in KDE starts KRunner, has the same weird delay. So it has not to do with the brightness (only).
xev DOES pickup a keypress of any of these keys after the given delay
However, other keys work well, e.g. all the volume keys.
xev DOES pickup these keys correctly.
[END EDIT]

[EDIT2]
If I press the brightness buttons, and then after a short period I immediately press one of the volume buttons, both seem to get triggered together. So it's like the non-volume buttons get "queued" behind a volume button press (or a long enough delay).
[END EDIT2]

Hi all,
I have a Thinkpad 11e with 4.6.3 kernel.
Brightness keys in most configs work with a huge delay (1 minute or more).

I can always manually adjust the brightness via e.g. the KDE battery/brightness control applet.

Right now I have:

Kernel boot parameter:

acpi_backlight=vendor

/etc/X11/xorg.conf.d/20-intel.conf

Section "Device"
        Identifier  "card0"
        Driver      "intel"
        Option      "Backlight"  "intel_backlight"
        BusID       "PCI:0:2:0"
EndSection

lspci -k | grep -iA2 VGA

00:02.0 VGA compatible controller: Intel Corporation Device 22b1 (rev 21)
        Subsystem: Lenovo Device 5057
        Kernel driver in use: i915

for interface in /sys/class/backlight/*; do echo -e "\n $interface"; cat $interface/{brightness,max_brightness,actual_brightness}; done

 /sys/class/backlight/intel_backlight
4091
5454
4091

 /sys/class/backlight/thinkpad_screen
6
7
6

/var/log/Xorg.0.log

[     5.438] 
X.Org X Server 1.17.4
Release Date: 2015-10-28
[     5.439] X Protocol Version 11, Revision 0
[     5.439] Build Operating System: Linux 4.2.5-1-ARCH x86_64 
[     5.439] Current Operating System: Linux 11e 4.6.3-1-MANJARO #1 SMP PREEMPT Sat Jun 25 00:33:36 UTC 2016 x86_64
[     5.439] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.6-x86_64 root=UUID=61c2963e-49f8-4904-b3cc-d760d30e2732 rw quiet splash acpi_backlight=vendor
[     5.439] Build Date: 01 November 2015  10:36:50AM
[     5.439]  
[     5.439] Current version of pixman: 0.34.0
[     5.439] 	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
[     5.439] Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[     5.439] (==) Log file: "/var/log/Xorg.0.log", Time: Thu Jun 30 11:13:05 2016
[     5.440] (==) Using config directory: "/etc/X11/xorg.conf.d"
[     5.440] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[     5.442] (==) No Layout section.  Using the first Screen section.
[     5.442] (==) No screen section available. Using defaults.
[     5.442] (**) |-->Screen "Default Screen Section" (0)
[     5.442] (**) |   |-->Monitor "<default monitor>"
[     5.443] (==) No device specified for screen "Default Screen Section".
	Using the first device section listed.
[     5.443] (**) |   |-->Device "card0"
[     5.443] (==) No monitor specified for screen "Default Screen Section".
	Using a default monitor configuration.
[     5.443] (==) Automatically adding devices
[     5.443] (==) Automatically enabling devices
[     5.443] (==) Automatically adding GPU devices
[     5.450] (WW) `fonts.dir' not found (or not valid) in "/usr/share/fonts/100dpi/".
[     5.450] 	Entry deleted from font path.
[     5.450] 	(Run 'mkfontdir' on "/usr/share/fonts/100dpi/").
[     5.450] (WW) `fonts.dir' not found (or not valid) in "/usr/share/fonts/75dpi/".
[     5.450] 	Entry deleted from font path.
[     5.450] 	(Run 'mkfontdir' on "/usr/share/fonts/75dpi/").
[     5.450] (==) FontPath set to:
	/usr/share/fonts/misc/,
	/usr/share/fonts/TTF/,
	/usr/share/fonts/OTF/,
	/usr/share/fonts/Type1/
[     5.450] (==) ModulePath set to "/usr/lib/xorg/modules"
[     5.450] (**) Extension "Composite" is enabled
[     5.450] (**) Extension "RENDER" is enabled
[     5.451] (II) The server relies on udev to provide the list of input devices.
	If no devices become available, reconfigure udev or disable AutoAddDevices.
[     5.451] (II) Loader magic: 0x817d60
[     5.451] (II) Module ABI versions:
[     5.451] 	X.Org ANSI C Emulation: 0.4
[     5.451] 	X.Org Video Driver: 19.0
[     5.451] 	X.Org XInput driver : 21.1
[     5.451] 	X.Org Server Extension : 9.0
[     5.453] (EE) systemd-logind: failed to get session: PID 489 does not belong to any known session
[     5.454] (II) xfree86: Adding drm device (/dev/dri/card0)
[     5.458] (--) PCI:*(0:0:2:0) 8086:22b1:17aa:5057 rev 33, Mem @ 0x90000000/16777216, 0x80000000/268435456, I/O @ 0x00002000/64, BIOS @ 0x????????/131072
[     5.458] (WW) Open ACPI failed (/var/run/acpid.socket) (No such file or directory)
[     5.458] (II) LoadModule: "glx"
[     5.460] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[     5.480] (II) Module glx: vendor="X.Org Foundation"
[     5.480] 	compiled for 1.17.4, module version = 1.0.0
[     5.480] 	ABI class: X.Org Server Extension, version 9.0
[     5.480] (==) AIGLX enabled
[     5.480] (II) LoadModule: "intel"
[     5.482] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so
[     5.487] (II) Module intel: vendor="X.Org Foundation"
[     5.487] 	compiled for 1.17.4, module version = 2.99.917
[     5.487] 	Module class: X.Org Video Driver
[     5.487] 	ABI class: X.Org Video Driver, version 19.0
[     5.487] (II) intel: Driver for Intel(R) Integrated Graphics Chipsets:
	i810, i810-dc100, i810e, i815, i830M, 845G, 854, 852GM/855GM, 865G,
	915G, E7221 (i915), 915GM, 945G, 945GM, 945GME, Pineview GM,
	Pineview G, 965G, G35, 965Q, 946GZ, 965GM, 965GME/GLE, G33, Q35, Q33,
	GM45, 4 Series, G45/G43, Q45/Q43, G41, B43
[     5.488] (II) intel: Driver for Intel(R) HD Graphics: 2000-6000
[     5.488] (II) intel: Driver for Intel(R) Iris(TM) Graphics: 5100, 6100
[     5.488] (II) intel: Driver for Intel(R) Iris(TM) Pro Graphics: 5200, 6200, P6300
[     5.488] (++) using VT number 1

[     5.489] (II) intel(0): Using Kernel Mode Setting driver: i915, version 1.6.0 20160229
[     5.489] (II) intel(0): SNA compiled from 2.99.917-662-gb617f80
[     5.491] (--) intel(0): Integrated Graphics Chipset: Intel(R) HD Graphics
[     5.491] (--) intel(0): CPU: x86-64, sse2, sse3, ssse3, sse4.1, sse4.2; using a maximum of 4 threads
[     5.491] (II) intel(0): Creating default Display subsection in Screen section
	"Default Screen Section" for depth/fbbpp 24/32
[     5.491] (==) intel(0): Depth 24, (--) framebuffer bpp 32
[     5.491] (==) intel(0): RGB weight 888
[     5.491] (==) intel(0): Default visual is TrueColor
[     5.491] (**) intel(0): Option "Backlight" "intel_backlight"
[     5.495] (II) intel(0): Output eDP1 has no monitor section
[     5.506] (**) intel(0): Found backlight control interface intel_backlight (type 'raw') for output eDP1
[     5.506] (II) intel(0): Enabled output eDP1
[     5.506] (II) intel(0): Output HDMI1 has no monitor section
[     5.506] (II) intel(0): Enabled output HDMI1
[     5.506] (II) intel(0): Output DP1 has no monitor section
[     5.506] (II) intel(0): Enabled output DP1
[     5.507] (II) intel(0): Output HDMI2 has no monitor section
[     5.507] (II) intel(0): Enabled output HDMI2
[     5.507] (II) intel(0): Output DP2 has no monitor section
[     5.507] (II) intel(0): Enabled output DP2
[     5.507] (--) intel(0): Using a maximum size of 256x256 for hardware cursors
[     5.507] (II) intel(0): Output VIRTUAL1 has no monitor section
[     5.507] (II) intel(0): Enabled output VIRTUAL1
[     5.507] (--) intel(0): Output eDP1 using initial mode 1366x768 on pipe 1
[     5.508] (==) intel(0): TearFree enabled
[     5.508] (==) intel(0): DPI set to (96, 96)
[     5.508] (II) Loading sub module "dri2"
[     5.508] (II) LoadModule: "dri2"
[     5.508] (II) Module "dri2" already built-in
[     5.508] (II) Loading sub module "present"
[     5.508] (II) LoadModule: "present"
[     5.508] (II) Module "present" already built-in
[     5.508] (==) Depth 24 pixmap format is 32 bpp
[     5.515] (II) intel(0): SNA initialized with Cherryview (gen8) backend
[     5.515] (==) intel(0): Backing store enabled
[     5.515] (==) intel(0): Silken mouse enabled
[     5.516] (II) intel(0): HW Cursor enabled
[     5.516] (II) intel(0): RandR 1.2 enabled, ignore the following RandR disabled message.
[     5.528] (==) intel(0): DPMS enabled
[     5.529] (==) intel(0): Display hotplug detection enabled
[     5.529] (II) intel(0): [DRI2] Setup complete
[     5.529] (II) intel(0): [DRI2]   DRI driver: i965
[     5.529] (II) intel(0): [DRI2]   VDPAU driver: va_gl
[     5.529] (II) intel(0): direct rendering: DRI2 enabled
[     5.529] (II) intel(0): hardware support for Present enabled
[     5.529] (--) RandR disabled
[     5.580] (II) AIGLX: enabled GLX_MESA_copy_sub_buffer
[     5.580] (II) AIGLX: enabled GLX_ARB_create_context
[     5.580] (II) AIGLX: enabled GLX_ARB_create_context_profile
[     5.580] (II) AIGLX: enabled GLX_EXT_create_context_es2_profile
[     5.580] (II) AIGLX: enabled GLX_INTEL_swap_event
[     5.580] (II) AIGLX: enabled GLX_SGI_swap_control and GLX_MESA_swap_control
[     5.580] (II) AIGLX: enabled GLX_EXT_framebuffer_sRGB
[     5.580] (II) AIGLX: enabled GLX_ARB_fbconfig_float
[     5.580] (II) AIGLX: GLX_EXT_texture_from_pixmap backed by buffer objects
[     5.580] (II) AIGLX: enabled GLX_ARB_create_context_robustness
[     5.580] (II) AIGLX: Loaded and initialized i965
[     5.581] (II) GLX: Initialized DRI2 GL provider for screen 0
[     5.587] (II) intel(0): switch to mode 1366x768@60.0 on eDP1 using pipe 1, position (0, 0), rotation normal, reflection none
[     5.587] (II) intel(0): Setting screen physical size to 361 x 203
[     5.791] (II) config/udev: Adding input device Power Button (/dev/input/event4)
[     5.791] (**) Power Button: Applying InputClass "evdev keyboard catchall"
[     5.791] (**) Power Button: Applying InputClass "libinput keyboard catchall"
[     5.791] (**) Power Button: Applying InputClass "system-keyboard"
[     5.791] (**) Power Button: Applying InputClass "Keyboard Defaults"
[     5.791] (II) LoadModule: "libinput"
[     5.792] (II) Loading /usr/lib/xorg/modules/input/libinput_drv.so
[     5.799] (II) Module libinput: vendor="X.Org Foundation"
[     5.800] 	compiled for 1.17.4, module version = 0.19.0
[     5.800] 	Module class: X.Org XInput Driver
[     5.800] 	ABI class: X.Org XInput driver, version 21.1
[     5.800] (II) Using input driver 'libinput' for 'Power Button'
[     5.800] (**) Power Button: always reports core events
[     5.800] (**) Option "Device" "/dev/input/event4"
[     5.800] (**) Option "_source" "server/udev"
[     5.801] (II) input device 'Power Button', /dev/input/event4 is tagged by udev as: Keyboard
[     5.801] (II) input device 'Power Button', /dev/input/event4 is a keyboard
[     5.817] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input5/event4"
[     5.818] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 6)
[     5.818] (**) Option "xkb_model" "pc105"
[     5.818] (**) Option "xkb_layout" "it,us"
[     5.818] (**) Option "xkb_variant" ","
[     5.818] (**) Option "xkb_options" "terminate:ctrl_alt_bksp"
[     5.943] (II) input device 'Power Button', /dev/input/event4 is tagged by udev as: Keyboard
[     5.943] (II) input device 'Power Button', /dev/input/event4 is a keyboard
[     5.947] (II) config/udev: Adding input device Video Bus (/dev/input/event6)
[     5.947] (**) Video Bus: Applying InputClass "evdev keyboard catchall"
[     5.947] (**) Video Bus: Applying InputClass "libinput keyboard catchall"
[     5.947] (**) Video Bus: Applying InputClass "system-keyboard"
[     5.947] (**) Video Bus: Applying InputClass "Keyboard Defaults"
[     5.947] (II) Using input driver 'libinput' for 'Video Bus'
[     5.947] (**) Video Bus: always reports core events
[     5.947] (**) Option "Device" "/dev/input/event6"
[     5.948] (**) Option "_source" "server/udev"
[     5.950] (II) input device 'Video Bus', /dev/input/event6 is tagged by udev as: Keyboard
[     5.950] (II) input device 'Video Bus', /dev/input/event6 is a keyboard
[     5.967] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input7/event6"
[     5.967] (II) XINPUT: Adding extended input device "Video Bus" (type: KEYBOARD, id 7)
[     5.967] (**) Option "xkb_model" "pc105"
[     5.967] (**) Option "xkb_layout" "it,us"
[     5.967] (**) Option "xkb_variant" ","
[     5.967] (**) Option "xkb_options" "terminate:ctrl_alt_bksp"
[     5.972] (II) input device 'Video Bus', /dev/input/event6 is tagged by udev as: Keyboard
[     5.972] (II) input device 'Video Bus', /dev/input/event6 is a keyboard
[     5.975] (II) config/udev: Adding input device Power Button (/dev/input/event2)
[     5.975] (**) Power Button: Applying InputClass "evdev keyboard catchall"
[     5.975] (**) Power Button: Applying InputClass "libinput keyboard catchall"
[     5.975] (**) Power Button: Applying InputClass "system-keyboard"
[     5.975] (**) Power Button: Applying InputClass "Keyboard Defaults"
[     5.975] (II) Using input driver 'libinput' for 'Power Button'
[     5.975] (**) Power Button: always reports core events
[     5.975] (**) Option "Device" "/dev/input/event2"
[     5.975] (**) Option "_source" "server/udev"
[     5.977] (II) input device 'Power Button', /dev/input/event2 is tagged by udev as: Keyboard
[     5.978] (II) input device 'Power Button', /dev/input/event2 is a keyboard
[     5.997] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input3/event2"
[     5.997] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 8)
[     5.997] (**) Option "xkb_model" "pc105"
[     5.997] (**) Option "xkb_layout" "it,us"
[     5.998] (**) Option "xkb_variant" ","
[     5.998] (**) Option "xkb_options" "terminate:ctrl_alt_bksp"
[     6.002] (II) input device 'Power Button', /dev/input/event2 is tagged by udev as: Keyboard
[     6.002] (II) input device 'Power Button', /dev/input/event2 is a keyboard
[     6.005] (II) config/udev: Adding input device Lid Switch (/dev/input/event1)
[     6.005] (II) No input driver specified, ignoring this device.
[     6.005] (II) This device may have been added with another device file.
[     6.007] (II) config/udev: Adding input device Sleep Button (/dev/input/event3)
[     6.008] (**) Sleep Button: Applying InputClass "evdev keyboard catchall"
[     6.008] (**) Sleep Button: Applying InputClass "libinput keyboard catchall"
[     6.008] (**) Sleep Button: Applying InputClass "system-keyboard"
[     6.008] (**) Sleep Button: Applying InputClass "Keyboard Defaults"
[     6.008] (II) Using input driver 'libinput' for 'Sleep Button'
[     6.008] (**) Sleep Button: always reports core events
[     6.008] (**) Option "Device" "/dev/input/event3"
[     6.008] (**) Option "_source" "server/udev"
[     6.010] (II) input device 'Sleep Button', /dev/input/event3 is tagged by udev as: Keyboard
[     6.010] (II) input device 'Sleep Button', /dev/input/event3 is a keyboard
[     6.027] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input4/event3"
[     6.027] (II) XINPUT: Adding extended input device "Sleep Button" (type: KEYBOARD, id 9)
[     6.027] (**) Option "xkb_model" "pc105"
[     6.027] (**) Option "xkb_layout" "it,us"
[     6.027] (**) Option "xkb_variant" ","
[     6.027] (**) Option "xkb_options" "terminate:ctrl_alt_bksp"
[     6.031] (II) input device 'Sleep Button', /dev/input/event3 is tagged by udev as: Keyboard
[     6.031] (II) input device 'Sleep Button', /dev/input/event3 is a keyboard
[     6.037] (II) config/udev: Adding input device Integrated Camera (/dev/input/event7)
[     6.038] (**) Integrated Camera: Applying InputClass "evdev keyboard catchall"
[     6.038] (**) Integrated Camera: Applying InputClass "libinput keyboard catchall"
[     6.038] (**) Integrated Camera: Applying InputClass "system-keyboard"
[     6.038] (**) Integrated Camera: Applying InputClass "Keyboard Defaults"
[     6.038] (II) Using input driver 'libinput' for 'Integrated Camera'
[     6.038] (**) Integrated Camera: always reports core events
[     6.038] (**) Option "Device" "/dev/input/event7"
[     6.038] (**) Option "_source" "server/udev"
[     6.040] (II) input device 'Integrated Camera', /dev/input/event7 is tagged by udev as: Keyboard
[     6.040] (II) input device 'Integrated Camera', /dev/input/event7 is a keyboard
[     6.070] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/input/input9/event7"
[     6.070] (II) XINPUT: Adding extended input device "Integrated Camera" (type: KEYBOARD, id 10)
[     6.070] (**) Option "xkb_model" "pc105"
[     6.071] (**) Option "xkb_layout" "it,us"
[     6.071] (**) Option "xkb_variant" ","
[     6.071] (**) Option "xkb_options" "terminate:ctrl_alt_bksp"
[     6.075] (II) input device 'Integrated Camera', /dev/input/event7 is tagged by udev as: Keyboard
[     6.075] (II) input device 'Integrated Camera', /dev/input/event7 is a keyboard
[     6.078] (II) config/udev: Adding input device HDA Digital PCBeep (/dev/input/event9)
[     6.078] (II) No input driver specified, ignoring this device.
[     6.078] (II) This device may have been added with another device file.
[     6.081] (II) config/udev: Adding input device HDA Intel PCH Mic (/dev/input/event10)
[     6.081] (II) No input driver specified, ignoring this device.
[     6.081] (II) This device may have been added with another device file.
[     6.083] (II) config/udev: Adding input device HDA Intel PCH Headphone (/dev/input/event11)
[     6.083] (II) No input driver specified, ignoring this device.
[     6.083] (II) This device may have been added with another device file.
[     6.085] (II) config/udev: Adding input device HDA Intel PCH HDMI/DP,pcm=3 (/dev/input/event12)
[     6.085] (II) No input driver specified, ignoring this device.
[     6.085] (II) This device may have been added with another device file.
[     6.086] (II) config/udev: Adding input device AT Translated Set 2 keyboard (/dev/input/event0)
[     6.086] (**) AT Translated Set 2 keyboard: Applying InputClass "evdev keyboard catchall"
[     6.087] (**) AT Translated Set 2 keyboard: Applying InputClass "libinput keyboard catchall"
[     6.087] (**) AT Translated Set 2 keyboard: Applying InputClass "system-keyboard"
[     6.087] (**) AT Translated Set 2 keyboard: Applying InputClass "Keyboard Defaults"
[     6.087] (II) Using input driver 'libinput' for 'AT Translated Set 2 keyboard'
[     6.087] (**) AT Translated Set 2 keyboard: always reports core events
[     6.087] (**) Option "Device" "/dev/input/event0"
[     6.087] (**) Option "_source" "server/udev"
[     6.088] (II) input device 'AT Translated Set 2 keyboard', /dev/input/event0 is tagged by udev as: Keyboard
[     6.088] (II) input device 'AT Translated Set 2 keyboard', /dev/input/event0 is a keyboard
[     6.117] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio0/input/input0/event0"
[     6.117] (II) XINPUT: Adding extended input device "AT Translated Set 2 keyboard" (type: KEYBOARD, id 11)
[     6.117] (**) Option "xkb_model" "pc105"
[     6.117] (**) Option "xkb_layout" "it,us"
[     6.117] (**) Option "xkb_variant" ","
[     6.117] (**) Option "xkb_options" "terminate:ctrl_alt_bksp"
[     6.122] (II) input device 'AT Translated Set 2 keyboard', /dev/input/event0 is tagged by udev as: Keyboard
[     6.122] (II) input device 'AT Translated Set 2 keyboard', /dev/input/event0 is a keyboard
[     6.125] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad (/dev/input/event8)
[     6.125] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "evdev touchpad catchall"
[     6.125] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "evdev touchscreen catchall"
[     6.125] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "libinput touchpad catchall"
[     6.125] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "libinput touchscreen catchall"
[     6.126] (II) Using input driver 'libinput' for 'SynPS/2 Synaptics TouchPad'
[     6.126] (**) SynPS/2 Synaptics TouchPad: always reports core events
[     6.126] (**) Option "Device" "/dev/input/event8"
[     6.126] (**) Option "_source" "server/udev"
[     6.129] (II) input device 'SynPS/2 Synaptics TouchPad', /dev/input/event8 is tagged by udev as: Touchpad Touchscreen
[     6.129] (II) input device 'SynPS/2 Synaptics TouchPad', /dev/input/event8 is a touchpad
[     6.161] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio1/input/input8/event8"
[     6.161] (II) XINPUT: Adding extended input device "SynPS/2 Synaptics TouchPad" (type: TOUCHPAD, id 12)
[     6.164] (**) Option "AccelerationScheme" "none"
[     6.164] (**) SynPS/2 Synaptics TouchPad: (accel) selected scheme none/0
[     6.164] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration factor: 2.000
[     6.164] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration threshold: 4
[     6.167] (II) input device 'SynPS/2 Synaptics TouchPad', /dev/input/event8 is tagged by udev as: Touchpad Touchscreen
[     6.167] (II) input device 'SynPS/2 Synaptics TouchPad', /dev/input/event8 is a touchpad
[     6.170] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad (/dev/input/mouse0)
[     6.170] (II) No input driver specified, ignoring this device.
[     6.170] (II) This device may have been added with another device file.
[     6.174] (II) config/udev: Adding input device ThinkPad Extra Buttons (/dev/input/event5)
[     6.174] (**) ThinkPad Extra Buttons: Applying InputClass "evdev keyboard catchall"
[     6.174] (**) ThinkPad Extra Buttons: Applying InputClass "libinput keyboard catchall"
[     6.174] (**) ThinkPad Extra Buttons: Applying InputClass "system-keyboard"
[     6.174] (**) ThinkPad Extra Buttons: Applying InputClass "Keyboard Defaults"
[     6.174] (II) Using input driver 'libinput' for 'ThinkPad Extra Buttons'
[     6.174] (**) ThinkPad Extra Buttons: always reports core events
[     6.174] (**) Option "Device" "/dev/input/event5"
[     6.174] (**) Option "_source" "server/udev"
[     6.176] (II) input device 'ThinkPad Extra Buttons', /dev/input/event5 is tagged by udev as: Keyboard
[     6.176] (II) input device 'ThinkPad Extra Buttons', /dev/input/event5 is a keyboard
[     6.194] (**) Option "config_info" "udev:/sys/devices/platform/thinkpad_acpi/input/input6/event5"
[     6.194] (II) XINPUT: Adding extended input device "ThinkPad Extra Buttons" (type: KEYBOARD, id 13)
[     6.194] (**) Option "xkb_model" "pc105"
[     6.194] (**) Option "xkb_layout" "it,us"
[     6.194] (**) Option "xkb_variant" ","
[     6.194] (**) Option "xkb_options" "terminate:ctrl_alt_bksp"
[     6.199] (II) input device 'ThinkPad Extra Buttons', /dev/input/event5 is tagged by udev as: Keyboard
[     6.199] (II) input device 'ThinkPad Extra Buttons', /dev/input/event5 is a keyboard
[     6.234] (II) intel(0): EDID vendor "BOE", prod id 1544
[     6.234] (II) intel(0): Printing DDC gathered Modelines:
[     6.234] (II) intel(0): Modeline "1366x768"x0.0   72.30  1366 1414 1446 1526  768 771 777 790 +hsync -vsync (47.4 kHz eP)
[     6.497] (II) config/udev: Adding input device HDA Intel PCH Mic (/dev/input/event10)
[     6.497] (II) No input driver specified, ignoring this device.
[     6.497] (II) This device may have been added with another device file.
[     6.499] (II) config/udev: Adding input device HDA Digital PCBeep (/dev/input/event9)
[     6.499] (II) No input driver specified, ignoring this device.
[     6.499] (II) This device may have been added with another device file.
[     6.500] (II) config/udev: Adding input device HDA Intel PCH Headphone (/dev/input/event11)
[     6.500] (II) No input driver specified, ignoring this device.
[     6.500] (II) This device may have been added with another device file.
[     6.501] (II) config/udev: Adding input device HDA Intel PCH HDMI/DP,pcm=3 (/dev/input/event12)
[     6.501] (II) No input driver specified, ignoring this device.
[     6.501] (II) This device may have been added with another device file.
[     6.501] (II) config/udev: removing GPU device /sys/devices/pci0000:00/0000:00:02.0/drm/card0 /dev/dri/card0
[     6.501] xf86: remove device 0 /sys/devices/pci0000:00/0000:00:02.0/drm/card0
[     6.501] failed to find screen to remove
[    99.470] [dix] EventToCore: Not implemented yet 
[   182.521] [dix] EventToCore: Not implemented yet 

lsmod

Module                  Size  Used by
sha256_ssse3           32768  1
sha256_generic         24576  1 sha256_ssse3
hmac                   16384  1
drbg                   32768  1
ansi_cprng             16384  0
ctr                    16384  1
ccm                    20480  1
cmac                   16384  1
ecb                    16384  2
rfcomm                 61440  14
fuse                   94208  3
snd_hda_codec_hdmi     45056  1
snd_hda_codec_realtek    69632  1
snd_hda_codec_generic    69632  1 snd_hda_codec_realtek
joydev                 20480  0
mousedev               20480  0
uvcvideo               86016  0
videobuf2_vmalloc      16384  1 uvcvideo
videobuf2_memops       16384  1 videobuf2_vmalloc
videobuf2_v4l2         20480  1 uvcvideo
videobuf2_core         36864  2 uvcvideo,videobuf2_v4l2
videodev              151552  3 uvcvideo,videobuf2_core,videobuf2_v4l2
btusb                  40960  0
media                  32768  2 uvcvideo,videodev
btrtl                  16384  1 btusb
bnep                   20480  2
msr                    16384  0
iTCO_wdt               16384  0
iTCO_vendor_support    16384  1 iTCO_wdt
intel_rapl             20480  0
arc4                   16384  2
intel_powerclamp       16384  0
coretemp               16384  0
kvm                   499712  0
irqbypass              16384  1 kvm
crct10dif_pclmul       16384  0
crc32_pclmul           16384  0
crc32c_intel           24576  0
ghash_clmulni_intel    16384  0
aesni_intel           167936  4
iwlmvm                262144  0
aes_x86_64             20480  1 aesni_intel
lrw                    16384  1 aesni_intel
gf128mul               16384  1 lrw
glue_helper            16384  1 aesni_intel
ablk_helper            16384  1 aesni_intel
cryptd                 20480  3 ghash_clmulni_intel,aesni_intel,ablk_helper
mac80211              655360  1 iwlmvm
nls_iso8859_1          16384  1
nls_cp437              20480  1
vfat                   20480  1
fat                    65536  1 vfat
evdev                  24576  15
input_leds             16384  0
mac_hid                16384  0
psmouse               122880  0
serio_raw              16384  0
iwlwifi               184320  1 iwlmvm
cfg80211              495616  3 iwlwifi,mac80211,iwlmvm
r8168                 483328  0
i2c_i801               20480  0
snd_hda_intel          32768  3
snd_hda_codec         106496  4 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel
lpc_ich                24576  0
snd_hda_core           61440  5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel
mei_txe                20480  0
snd_hwdep              16384  1 snd_hda_codec
mei                    81920  1 mei_txe
shpchp                 32768  0
i2c_hid                20480  0
snd_soc_rt5670        118784  0
hid                   114688  1 i2c_hid
snd_soc_rl6231         16384  1 snd_soc_rt5670
i915                 1204224  7
drm_kms_helper        114688  1 i915
drm                   294912  8 i915,drm_kms_helper
intel_gtt              20480  1 i915
syscopyarea            16384  1 drm_kms_helper
sysfillrect            16384  1 drm_kms_helper
sysimgblt              16384  1 drm_kms_helper
fb_sys_fops            16384  1 drm_kms_helper
i2c_algo_bit           16384  1 i915
snd_intel_sst_acpi     16384  0
snd_intel_sst_core     65536  1 snd_intel_sst_acpi
snd_soc_sst_mfld_platform    77824  1 snd_intel_sst_core
snd_soc_sst_match      16384  1 snd_intel_sst_acpi
snd_soc_core          180224  2 snd_soc_rt5670,snd_soc_sst_mfld_platform
snd_compress           20480  1 snd_soc_core
snd_pcm_dmaengine      16384  1 snd_soc_core
thermal                20480  0
ac97_bus               16384  1 snd_soc_core
snd_pcm                86016  8 snd_soc_rt5670,snd_soc_core,snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_soc_sst_mfld_platform,snd_pcm_dmaengine,snd_hda_core
hci_uart               73728  0
wmi                    20480  0
btbcm                  16384  2 btusb,hci_uart
thinkpad_acpi          77824  1
btqca                  16384  1 hci_uart
snd_timer              28672  1 snd_pcm
btintel                16384  2 btusb,hci_uart
nvram                  16384  1 thinkpad_acpi
snd                    65536  18 snd_hda_codec_realtek,snd_soc_core,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,thinkpad_acpi,snd_soc_sst_mfld_platform,snd_compress
dw_dmac                16384  0
soundcore              16384  1 snd
bluetooth             454656  43 bnep,btbcm,btqca,btrtl,btusb,hci_uart,rfcomm,btintel
dw_dmac_core           24576  1 dw_dmac
battery                20480  0
video                  36864  2 i915,thinkpad_acpi
i2c_designware_platform    16384  0
i2c_designware_core    20480  1 i2c_designware_platform
rfkill_gpio            16384  0
rfkill                 20480  10 cfg80211,thinkpad_acpi,bluetooth,rfkill_gpio
8250_dw                16384  0
spi_pxa2xx_platform    24576  0
tpm_tis                20480  0
fjes                   28672  0
tpm                    36864  1 tpm_tis
pinctrl_cherryview     28672  0
ac                     16384  0
button                 16384  1 i915
processor              32768  0
sch_fq_codel           20480  6
nfs                   208896  0
lockd                  86016  1 nfs
grace                  16384  1 lockd
sunrpc                274432  2 nfs,lockd
fscache                57344  1 nfs
ip_tables              28672  0
x_tables               28672  1 ip_tables
ext4                  520192  1
crc16                  16384  2 ext4,bluetooth
jbd2                   90112  1 ext4
mbcache                16384  2 ext4
sd_mod                 36864  3
atkbd                  24576  0
libps2                 16384  2 atkbd,psmouse
xhci_pci               16384  0
ahci                   36864  2
libahci                28672  1 ahci
xhci_hcd              159744  1 xhci_pci
libata                196608  2 ahci,libahci
usbcore               200704  4 btusb,uvcvideo,xhci_hcd,xhci_pci
scsi_mod              155648  2 libata,sd_mod
usb_common             16384  1 usbcore
i8042                  24576  1 libps2
serio                  20480  6 serio_raw,atkbd,i8042,psmouse
sdhci_acpi             16384  0
sdhci                  40960  1 sdhci_acpi
led_class              16384  4 sdhci,iwlmvm,thinkpad_acpi,input_leds
mmc_core              114688  2 sdhci,sdhci_acpi

I have tried all acpi_backlight options listed in the wiki, and the behaviour seems to be the same, except with "none", with which the backlight is fixed.

Last edited by OdinEidolon (2016-06-30 13:26:20)


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