Monday, January 19, 2015, 2:09:34 PM, you wrote: > Hello Sander, > Tuesday, January 13, 2015, 5:47:24 PM, you wrote: >> Tuesday, January 13, 2015, 5:35:10 PM, you wrote: >>> Hi Rafael / Len, >>> When i press the power-button on my intel NUC, i get twp ACPI power-events shortly >>> after one another (within a second), instead of just one. >>> It doesn't matter if i have the old /proc/acpi interface enabled or disabled in the kernel config. >>> I have tested a few older kernels lingering around on the box and 3.14 already >>> has this problem. 3.2 (from the debian repo) doesn't have the problem, it only >>> fires one event. >>> I did find another report: >>> Re: lenovo ultrabay docking station: if power button pressed 1x it creates 2x the same ACPI event >>> http://www.spinics.net/lists/linux-acpi/msg54723.html >>> But that hasn't come to a conclusion ... >>> Unfortunately 3.2 - 3.19-rc4 is a bit of a largish bisect window, so that's >>> unfeasible :-) >>> I compiled in apci debug support and tried: >>> echo "0x00080000" > /sys/module/acpi/parameters/debug_layer >>> echo "0xffffffff" > /sys/module/acpi/parameters/debug_level >>> But i don't get any extra output in dmesg ? >>> Do you have any ideas for a debug patch or better values to figure out what is going on ? >>> -- >>> Sander >> Hmm is it normal that it registers in this way (twice) ? >> [ 5.817980] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input0 >> [ 5.837907] ACPI: Power Button [PWRB] >> [ 5.847540] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 >> [ 5.866915] ACPI: Power Button [PWRF] >> -- >> Sander > Hi Rafael / Len, > Got some more time to test: > - It's indeed giving one event for both registered power buttons (which in reality > are just one hardware button) printing acpid's "%e" revealed that: > 1421672289-161192235 | button/power PBTN 00000080 00000000 > 1421672289-279647745 | button/power LNXPWRBN:00 00000080 00000004 > So i tested on another box (amd instead of intel), and that also registers 2 > power buttons: > # dmesg | grep -i button > [ 13.435060] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input0 > [ 13.435294] ACPI: Power Button [PWRB] > [ 13.435495] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 > [ 13.435683] ACPI: Power Button [PWRF] > > So the question is .. should both register and should scripts adjust to pick up just one of them ? > Or can, as a more general solution, just one be ignored when registering ? > -- > Sander Whoops sorry for the fragmentation of the report ... but just thought the output under kernel 3.2.0 could be handy as well .. as that only fires one event: [ 4.003753] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 [ 4.003838] ACPI: Power Button [PWRB] [ 4.003977] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input2 [ 4.005530] ACPI: Power Button [PWRF] It registers also two .. But when the power button is pressed only fires this one: 1421673524-817561070 | button/power PBTN 00000080 00000000 -- Sander -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
