On Sun, Dec 14, 2008 at 1:47 PM, Gordon McLellan <gordonthree at gmail.com> wrote: > Don't forget to enable the featuret... magic sysrq is disabled by default. > > quoting from http://aplawrence.com/Words2005/2005_04_13.html: > > "To use it, you need to have it enabled in your kernel > (CONFIG_MAGIC_SYSRQ). It usually is; if you have a file called > '/proc/sys/kernel/sysrq' you have this. To ENABLE the magic functions, > you need a "1" in that file. If it has 0, Alt-SysRq just returns you > to the previous console you were using." <snip> Thanks for that information. It happened again, awhile ago. I was using Gmail online, with Firefox, as I'm now doing, and the mouse just became inactive. I had to kill the power again, which is a horribly inelegant way to get out of that.