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I'm trying to enable the use of the SysRq key. My keyboard is Logitech |
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Access. It has a key labeled PrtScr/SysRq right next F12. I recompiled |
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the kernel with support for SysRq, but still it doesn't work. It seems |
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that the key is not recognized. The output of showkey -s, when pressing |
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SysRq, is |
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0xe0 0x2a 0xe0 0x37 0xe0 0xaa 0xe0 0xb7 |
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I read sysrq.txt in the kernel source Doc directory: |
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There are some keyboards that send different scancodes for SysRq than the |
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pre-defined 0x54. So if SysRq doesn't work out of the box for a certain |
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keyboard, run 'showkey -s' to find out the proper scancode sequence. Then |
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use 'setkeycodes <sequence> 84' to define this sequence to the usual SysRq |
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code (84 is decimal for 0x54). It's probably best to put this command in a |
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boot script. Oh, and by the way, you exit 'showkey' by not typing anything |
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for ten seconds. |
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It's not clear (to me) what to do. Does <sequence> equal "0xe0 0x2a 0xe0 0x37 0xe0 0xaa 0xe0 0xb7"? |
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And if so, is this a stable thing, i.e. a keyboard characteristic, not |
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bound to change unless the keyboard is replaced? |
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-- |
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Jorge Almeida |
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-- |
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gentoo-user@g.o mailing list |
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