diff options
-rw-r--r-- | Documentation/sysrq.txt | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/Documentation/sysrq.txt b/Documentation/sysrq.txt index d56a01775423..5c17196c8fe9 100644 --- a/Documentation/sysrq.txt +++ b/Documentation/sysrq.txt | |||
@@ -177,13 +177,13 @@ virtual console (ALT+Fn) and then back again should also help. | |||
177 | 177 | ||
178 | * I hit SysRq, but nothing seems to happen, what's wrong? | 178 | * I hit SysRq, but nothing seems to happen, what's wrong? |
179 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | 179 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
180 | There are some keyboards that send different scancodes for SysRq than the | 180 | There are some keyboards that produce a different keycode for SysRq than the |
181 | pre-defined 0x54. So if SysRq doesn't work out of the box for a certain | 181 | pre-defined value of 99 (see KEY_SYSRQ in include/linux/input.h), or which |
182 | keyboard, run 'showkey -s' to find out the proper scancode sequence. Then | 182 | don't have a SysRq key at all. In these cases, run 'showkey -s' to find an |
183 | use 'setkeycodes <sequence> 84' to define this sequence to the usual SysRq | 183 | appropriate scancode sequence, and use 'setkeycodes <sequence> 99' to map |
184 | code (84 is decimal for 0x54). It's probably best to put this command in a | 184 | this sequence to the usual SysRq code (e.g., 'setkeycodes e05b 99'). It's |
185 | boot script. Oh, and by the way, you exit 'showkey' by not typing anything | 185 | probably best to put this command in a boot script. Oh, and by the way, you |
186 | for ten seconds. | 186 | exit 'showkey' by not typing anything for ten seconds. |
187 | 187 | ||
188 | * I want to add SysRQ key events to a module, how does it work? | 188 | * I want to add SysRQ key events to a module, how does it work? |
189 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | 189 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |