On Mon, 2017-01-02 at 08:12 -0500, DAVID S wrote: > Jan 2 08:09:30 storage kernel: sysrq: SysRq : This sysrq operation is disabled. > Do I need to enable it somehow before I begin testing? Did you run the echo w > /proc/sysrq-trigger command from a shell or did you use the SysRq-w combination on the keyboard? The former should always work but the latter has to be enabled by running echo 1 > /proc/sys/kernel/sysrq first. See also https://www.kernel.org/doc/Documentation/admin-guide/sysrq.rst. Bart.��.n��������+%������w��{.n����j�����{ay�ʇڙ���f���h������_�(�階�ݢj"��������G����?���&��