hi!
I have just done the troubleshooting-checklist on
https://wiki.ubuntu.com/Hotkeys/Troubleshooting !
1. run xev to test whether a keypress event is seen:
This gives no keypress event with thinkpad extrabuttons!
5. enumerate the available input devices as seen by hal:
hal-find-by-capability --capability input | xargs -n1 lshal -u
udi = '/org/freedesktop/Hal/devices/computer_logicaldev_input_4'
button.has_state = true (bool)
button.state.value = true (bool)
button.type = 'radio' (string)
info.addons.singleton = {'hald-addon-input'} (string list)
info.callouts.add = {'hal-setup-keymap', 'debian-setup-keyboard'} (string
list)
info.capabilities = {'input', 'input.keys', 'input.switch', 'button',
'input.keymap'} (string list)
info.category = 'input' (string)
info.parent = '/org/freedesktop/Hal/devices/computer' (string)
info.product = 'ThinkPad Extra Buttons' (string)
info.subsystem = 'input' (string)
info.udi = '/org/freedesktop/Hal/devices/computer_logicaldev_input_4'
(string)
input.device = '/dev/input/event10' (string)
input.keymap.data = {'0x01:screenlock', '0x02:battery', '0x03:sleep',
'0x04:radio', '0x06:switchvideomode', '0x07:f22', '0x08:f24', '0x0b:suspend',
'0x0f:brightnessup', '0x10:brightnessdown', '0x11:kbdillumtoggle', '0x13:zoom',
'0x14:volumeup', '0x15:volumedown', '0x16:mute', '0x17:prog1', 'e05d:menu'}
(string list)
input.product = 'ThinkPad Extra Buttons' (string)
input.x11_driver = 'evdev' (string)
input.xkb.layout = 'de' (string)
input.xkb.model = 'pc105' (string)
input.xkb.rules = 'evdev' (string)
input.xkb.variant = 'nodeadkeys' (string)
linux.device_file = '/dev/input/event10' (string)
linux.hotplug_type = 2 (0x2) (int)
linux.subsystem = 'input' (string)
linux.sysfs_path = '/sys/devices/virtual/input/input10/event10' (string)
with "sudo input-events 10" and pressing the hotkey (mute button and
volume up/down) there is also no event shown.
10. If the events are reported by more than one input device then report a
kernel bug (Ubuntu linux package) because it should only send the event on one
device.
11. if not found with input-events, use acpi_listen to determine whether the
key is coming through as an ACPI event instead of a keypress
acpi_listen gives only an output pressing other thinkpad keys: (ThinkVantage,
FN+F3, Brightness up/down,...)
ibm/hotkey HKEY 00000080 00001018
ibm/hotkey HKEY 00000080 00001003
ibm/hotkey HKEY 00000080 00001010
video LCD0 00000086 00000000
ibm/hotkey HKEY 00000080 00001011
video LCD0 00000087 00000000
13. if there is neither an ACPI event nor an input event, this is
probably also a kernel bug, though probably harder to diagnose (WMI,
perhaps?)
further information:
lshal |grep system.hardware
system.hardware.primary_video.product = 10818 (0x2a42) (int)
system.hardware.primary_video.vendor = 32902 (0x8086) (int)
system.hardware.product = '2767B35' (string)
system.hardware.serial = 'L3D9557' (string)
system.hardware.uuid = 'B2999701-49A6-11CB-9FF6-9729DA065BC4' (string)
system.hardware.vendor = 'LENOVO' (string)
system.hardware.version = 'ThinkPad T400' (string)
** Attachment added: "dmesg.log"
http://launchpadlibrarian.net/24404045/dmesg.log
--
Mute button on thinkpad x200/x200s
https://bugs.launchpad.net/bugs/281732
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