Hello Anthony,
the tweak: acpi_osi=\"!Windows 2012\" in grub cannot fix this issue on this
laptop with 14.04 (3.13.0-24).
Debugging information:
ubuntu@201308-14073:~$ sudo showkey -k
kb mode was ?UNKNOWN?
[ if you are trying this under X, it might not work
since the X server is also reading /dev/console ]
press any key (program terminates 10s after last keypress)...
keycode 238 press
keycode 238 release
^Ccaught signal 2, cleaning up...
ubuntu@201308-14073:~$ sudo showkey -s
kb mode was ?UNKNOWN?
[ if you are trying this under X, it might not work
since the X server is also reading /dev/console ]
press any key (program terminates 10s after last keypress)...
0x9c
0xe0 0x73 0xe0 0xf3
0xe0 0x73 0xe0 0xf3
^Ccaught signal 2, cleaning up...
ubuntu@201308-14073:~$ xev | sed -n 's/^.*state \([0-9].*\), keycode
*\([0-9]\+\) *\(.*\), .*$/keycode \2 = \3, state = \1/p'
keycode 36 = (keysym 0xff0d, Return), state = 0x0
keycode 246 = (keysym 0x1008ff95, XF86WLAN), state = 0x0
keycode 246 = (keysym 0x1008ff95, XF86WLAN), state = 0x0
keycode 246 = (keysym 0x1008ff95, XF86WLAN), state = 0x0
keycode 246 = (keysym 0x1008ff95, XF86WLAN), state = 0x0
rfkill list after pressing the wireless key:
ubuntu@201308-14073:~$ rfkill list
0: tpacpi_bluetooth_sw: Bluetooth
Soft blocked: no
Hard blocked: no
1: tpacpi_wwan_sw: Wireless WAN
Soft blocked: no
Hard blocked: no
2: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
3: phy0: Wireless LAN
Soft blocked: yes
Hard blocked: no
This issue could be found on other Lenovo laptops as well:
https://bugs.launchpad.net/ubuntu/+source/linux-lts-trusty/+bug/1355019
** Changed in: hwe-next
Status: Incomplete => Confirmed
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Changed in: hwe-next
Status: Confirmed => New
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https://bugs.launchpad.net/bugs/1396429
Title:
[Lenovo T440s] Wireless key cannot turn BT off on 14.04.1
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