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[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)
Hardware: 2016 Dell XPS15 - matte FullHD - i5-6300HQ - 32GB DDR4 - Nvidia GTX960M - Samsung 840EVO 250GB SSD - 56Wh
Software: Plasma 5 - rEFInd - linux-ck - preload - prelink - verynice - psd - bumblebee
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