On Sun, Apr 02, 2023 at 10:14:51AM -0700, stan via users wrote:
On Sun, 2 Apr 2023 17:03:33 +0200
Wolfgang Pfeiffer <roto@xxxxxxx> wrote:
Looks like you first need to identify your print/sysrq key - it might
be a combo of (on my keyboard) <Fn>-<Print> or <Alt>-<Print>. I use
xev for finding it.
When I use xev, and press Print Screen, I get the following output,
FocusOut event, serial 48, synthetic NO, window 0x7200001,
mode NotifyGrab, detail NotifyAncestor
FocusIn event, serial 48, synthetic NO, window 0x7200001,
mode NotifyUngrab, detail NotifyAncestor
Pressing the <Print> key alone yields this in the xev log
messages:
KeyRelease event, serial 35, synthetic NO, window 0x2200001,
root 0x428, subw 0x2200002, time 3388184737, (48,51), root:(919,491),
state 0x0, keycode 110 (keysym 0xff50, Home), same_screen YES,
XLookupString gives 0 bytes:
XFilterEvent returns: False
I have to press <Fn>+<Print> to see the <Print> message in xev:
KeyRelease event, serial 38, synthetic NO, window 0x2200001,
root 0x428, subw 0x0, time 3390028490, (76,93), root:(947,533),
state 0x0, keycode 107 (keysym 0xff61, Print), same_screen YES,
XLookupString gives 0 bytes:
XFilterEvent returns: False
------------
So to see the help screen for sysrq on a tty I type
1: <Alt> key (keep holding)
2: <Fn>+<Print> (Keep and release)
3: h
4: release all
------------
So I don't think the standard key for step 2, which is pressing
<Print> or <Sysrq> only, on x86, is written in stone - it probably
took me some time to find the <Fn> key was needed for step 2 here,
too... :)
And yes: Im on x86
Wolfgang
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