Am 05.07.2013 05:47, schrieb Tim:
> Allegedly, on or about 04 July 2013, Juan Orti Alcaine sent:
>> Another good option if everything else fails (and you have configured
>> previously kernel.sysrq=1 with sysctl) is:
>>
>> Alt+SysRq+ {R, E, I, S, U, B}
>>
>> See: https://en.wikipedia.org/wiki/Magic_SysRq_key#Uses
>
> Would you expect this to work with USB keyboards? There's more
> protocols in the way of USB than PS/2, or other schemes, requiring a
> working operating system
i would not only expect, it works for sure
ALT+PrintScrn+S
[harry@srv-rhsoft:~]$ dmesg
[44925.260133] SysRq : Emergency Sync
[44927.114134] Emergency Sync complete
___________________________________
Under graphical environments (such as GNOME or KDE) 'Alt'+'PrintScrn/SysRq'+key
combination generally only leads to a screenshot being dumped. To avoid this
Print Screen feature the magic SysRq combination should include the Ctrl,
becoming 'Ctrl'+'Alt'+'SysRq'+key. For the same purposes the AltGr key,
if present, can be used in place of the Alt key. On some laptops SysRq is
accessible only by pressing 'Fn'. In this case the combination is a bit
trickier: hold 'Alt', hold 'Fn', hold 'SysRq', release 'Fn', press key.
The magic SysRq can also be accessed from the serial console.[2]
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