Battery status and lock key works. Sleep key works (screen goes blank,
unable to wake). Brightnes key works, but not brightness itself, wifi
key works, touchpad lock key works, but touchpad does not lock itself
(no message), zoom keys does not raise any message.

The only key which does not work is Fn+Space (zoom in square, whatever
it means):

Nov 16 20:36:25 skeleton kernel: [14067.449525] kbd_keycode: 30 callbacks 
suppressed
Nov 16 20:36:25 skeleton kernel: [14067.449528] keyboard: can't emulate rawmode 
for keycode 240
Nov 16 20:36:25 skeleton kernel: [14067.449539] keyboard: can't emulate rawmode 
for keycode 240
Nov 16 20:36:25 skeleton kernel: [14067.449544] toshiba_acpi: Unknown key 139
Nov 16 20:36:49 skeleton kernel: [14090.816549] keyboard: can't emulate rawmode 
for keycode 240
Nov 16 20:36:49 skeleton kernel: [14090.816566] keyboard: can't emulate rawmode 
for keycode 240
Nov 16 20:36:49 skeleton kernel: [14090.816574] toshiba_acpi: Unknown key 139
Nov 16 20:36:49 skeleton kernel: [14091.134415] keyboard: can't emulate rawmode 
for keycode 240
Nov 16 20:36:49 skeleton kernel: [14091.134431] keyboard: can't emulate rawmode 
for keycode 240
Nov 16 20:36:49 skeleton kernel: [14091.134439] toshiba_acpi: Unknown key 139


Later it appears with other error:

Nov 16 20:48:21 skeleton kernel: [  528.417041] toshiba_acpi: ACPI INFO method 
execution failed
Nov 16 20:48:21 skeleton kernel: [  528.417045] toshiba_acpi: Failed to query 
hotkey event
Nov 16 20:48:21 skeleton kernel: [  528.680297] ACPI Error: Result stack is 
empty! State=ffff8800ac340000 (20110413/dswstate-98)
Nov 16 20:48:21 skeleton kernel: [  528.680310] ACPI Exception: 
AE_AML_NO_RETURN_VALUE, Missing or null operand (20110413/dsutils-646)
Nov 16 20:48:21 skeleton kernel: [  528.680336] ACPI Exception: 
AE_AML_NO_RETURN_VALUE, While creating Arg 0 (20110413/dsutils-763)
Nov 16 20:48:21 skeleton kernel: [  528.680363] ACPI Error: Method 
parse/execution failed [\_SB_.VALZ.GETE] (Node ffff880131175eb0), 
AE_AML_NO_RETURN_VALUE (20110413/psparse-536)
Nov 16 20:48:21 skeleton kernel: [  528.680379] ACPI Error: Method 
parse/execution failed [\_SB_.VALZ.INFO] (Node ffff880131175ed8), 
AE_AML_NO_RETURN_VALUE (20110413/psparse-536)
Nov 16 20:48:21 skeleton kernel: [  528.680396] toshiba_acpi: ACPI INFO method 
execution failed
Nov 16 20:48:21 skeleton kernel: [  528.680400] toshiba_acpi: Failed to query 
hotkey event

Any key results with above log. It looks like some buffering issue. Now
I'm unable to duplicate.

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https://bugs.launchpad.net/bugs/827558

Title:
  toshiba_acpi unable to load on TOSHIBA SATELLITE C670-10V

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