Activating and deactivating the magic sysrequest feature

6.10 LPAR mode z/VM guest KVM guest

Use the sysrq procfs attribute to activate or deactivate the magic sysrequest feature.

Procedure

Issue the following command to activate the magic sysrequest feature:
# echo 1 > /proc/sys/kernel/sysrq
Issue the following command to deactivate the magic sysrequest feature:
# echo 0 > /proc/sys/kernel/sysrq