X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=Documentation%2Fsysrq.txt;h=5ce0952aa06546096fc165d9562f35565ed17025;hb=8aef7e8f8de2d900da892085edbf14ea35fe6881;hp=ef19142896ca0688ca82b62a82a51fd13b7e7700;hpb=56616ebd0e49b7e5c67a19ca1d96e8ec382bcacf;p=linux-2.6-omap-h63xx.git diff --git a/Documentation/sysrq.txt b/Documentation/sysrq.txt index ef19142896c..5ce0952aa06 100644 --- a/Documentation/sysrq.txt +++ b/Documentation/sysrq.txt @@ -43,7 +43,7 @@ On x86 - You press the key combo 'ALT-SysRq-'. Note - Some keyboards may not have a key labeled 'SysRq'. The 'SysRq' key is also known as the 'Print Screen' key. Also some keyboards cannot handle so many keys being pressed at the same time, so you might - have better luck with "press Alt", "press SysRq", "release Alt", + have better luck with "press Alt", "press SysRq", "release SysRq", "press ", release everything. On SPARC - You press 'ALT-STOP-', I believe. @@ -85,6 +85,8 @@ On all - write a character to /proc/sysrq-trigger. e.g.: 'k' - Secure Access Key (SAK) Kills all programs on the current virtual console. NOTE: See important comments below in SAK section. +'l' - Shows a stack backtrace for all active CPUs. + 'm' - Will dump current memory info to your console. 'n' - Used to make RT tasks nice-able