On 1/4/25 16:43, Ian Laurie via test wrote:
On 1/4/25 16:24, Samuel Sieb wrote:
Install "evtest". If you run it with no parameters, it will give you a
list of available devices. I have two power switch input devices for
some reason, but the physical power button seems to trigger the second
one. As root, run "evtest --grab /dev/input/event0" or whichever device
is your power button. Use more terminals if necessary. This will take
it away from systemd and also show you if it gets triggered. You can
try clicking the power button to see. Watch the output to see if it's
getting triggered when it shouldn't.
Thank's for your help. I seem to have 2 power buttons also:
No device specified, trying to scan all of /dev/input/event*
Available devices:
/dev/input/event0: Sleep Button
/dev/input/event1: Power Button
/dev/input/event10: HDA Intel PCH Headphone Mic
/dev/input/event11: HDA Intel PCH Front Line Out
/dev/input/event12: HDA Intel PCH HDMI/DP,pcm=3
/dev/input/event13: HDA Intel PCH HDMI/DP,pcm=7
/dev/input/event14: HDA Intel PCH HDMI/DP,pcm=8
/dev/input/event2: Power Button
/dev/input/event3: PixArt Dell MS116 USB Optical Mouse
/dev/input/event4: Dell KB216 Wired Keyboard
/dev/input/event5: Dell KB216 Wired Keyboard System Control
/dev/input/event6: Dell KB216 Wired Keyboard Consumer Control
/dev/input/event7: Video Bus
/dev/input/event8: PC Speaker
/dev/input/event9: Dell WMI hotkeys
Event 2 seems to be the real one in my case also.
After grabbing 2 the power switch does show a trigger (and doesn't shut
the system down). I'm running it from a remote ssh session now so if
the Rawhide box dies I'll still have the text (Rawhide box is back to
6.15).
OK so the result... After about an hour fifteen minutes, lost ssh
connection.... ssh looked like this:
zorac$ sudo evtest --grab /dev/input/event2
Input driver version is 1.0.1
Input device ID: bus 0x19 vendor 0x0 product 0x1 version 0x0
Input device name: "Power Button"
Supported events:
Event type 0 (EV_SYN)
Event type 1 (EV_KEY)
Event code 116 (KEY_POWER)
Event code 143 (KEY_WAKEUP)
Properties:
Testing ... (interrupt to exit)
Connection to zorac closed by remote host.
Connection to zorac closed.
adama$
So.. On the Rawhide box log:
Apr 01 17:53:55 zorac systemd-logind[846]: Power key pressed short.
Apr 01 17:53:55 zorac systemd-logind[846]: Powering off...
Apr 01 17:53:55 zorac systemd-logind[846]: System is powering down.
So this is a bogus event since the event cannot [in theory] be delivered
to systemd, and anyway, was not logged by evtest. This is a big problem
I think.
--
Ian Laurie
FAS: nixuser | IRC: nixuser
TZ: Australia/Sydney
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