Lines Matching refs:sysrq
4 Documentation for sysrq.c
17 /proc/sys/kernel/sysrq controls the functions allowed to be invoked via
20 to 1. Here is the list of possible values in /proc/sys/kernel/sysrq:
22 - 0 - disable sysrq completely
23 - 1 - enable all functions of sysrq
24 - >1 - bitmask of allowed sysrq functions (see below for detailed function
38 echo "number" >/proc/sys/kernel/sysrq
44 Note that the value of ``/proc/sys/kernel/sysrq`` influences only the invocation
45 via a keyboard. Invocation of any operation via ``/proc/sysrq-trigger`` is
76 write a character to /proc/sysrq-trigger. e.g.::
78 echo t > /proc/sysrq-trigger
207 on both sides of the keyboard, and hitting an invalid sysrq sequence again
208 will fix the problem. (i.e., something like :kbd:`alt-sysrq-z`). Switching to
227 the header ``include/linux/sysrq.h``, this will define everything else you need.
231 handler is called. Your handler must conform to the prototype in 'sysrq.h'.
243 lookup table, which is defined in 'drivers/tty/sysrq.c'. This key table has
251 unregister_sysrq_key() to clean up the sysrq key table entry that it used.
267 exception the header line from the sysrq command is passed to all console
271 to temporarily up the console loglevel using :kbd:`alt-sysrq-8` or::
273 echo 8 > /proc/sysrq-trigger
275 Remember to return the loglevel to normal after triggering the sysrq