On Thu, Mar 15, 2012 at 2:25 PM, Michael Mol <[email protected]> wrote: > On Thu, Mar 15, 2012 at 3:17 PM, Mick <[email protected]> wrote: >> On Thursday 15 Mar 2012 17:02:15 Michael Mol wrote: >>> On Thu, Mar 15, 2012 at 12:55 PM, Jarry <[email protected]> wrote: >>> > On 14-Mar-12 19:41, ZHANG, Le wrote: >>> >> > So my question is: Can I somehow deliberately trigger >>> >> > "kernel panic" (or "kernel oops")? >>> >> >>> >> For panic, echo c > /proc/sysrq-trigger >>> > >>> > After I issued the above mentioned command, my system >>> > instantly "froze to death". Nothing changed on screen, >>> > no "kernel panic" or "Ooops" screen. Just frozen... >>> > >>> > No reaction to keyboard or mouse. No auto-reboot either. >>> > The only thing I could do is to press "Reset". Not exactly >>> > what I have been expecting... >>> >>> Were you running under X? The panic would have killed X, which >>> wouldn't have released control over the video hardware. >>> >>> There's a SysRq sequence to get around this, but I don't remember it. >> >> Ctrl+Alt+ >> >> R E I S U B >> >> (busier in reverse) >> >> After a E or I you should be back into a console, unless things are badly >> screwed. > > Is that Ctrl+Alt+SysRq+(R E I S U B), or is the SysRq key not actually used?
Sysrq is definitely required :) Ctrl, on the other hand, is optional. And AltGr may be substituted for Alt.

