Am 07.07.2011 11:53, schrieb Daniele Guerrieri: > Yes, maybe ALT+PRINT+K would be better :) i have to try it. ok :-) > From wikipedia (probably also in kernel/Documentation but now i'm on > a win machine) i've read: have you a link? i do not find this on wikipedia http://en.wikipedia.org/wiki/Sysrq > On newer kernels (exact version unknown), it is possible to have a > more fine-grained control. [...] > > #$ echo #number > /proc/sys/kernel/sysrq > > Possible values are: > > 0 - disable sysrq > 1 - enable sysrq completely >> 1 - bitmask of enabled sysrq functions: > 2 - control of console logging level > 4 - control of keyboard (SAK, unraw) > 8 - debugging dumps of processes etc. > 16 - sync command > 32 - remount read-only > 64 - signalling of processes (term, kill, oom-kill) > > maybe a "damage-free" number could be 16? i think this is not enough for "ALT+PRINT+K" because sync is only for flushing disk-buffers, maybe i play around a little bit at the weekend but i guess we need something like 4 + 64 for "ALT+PRINT+K" and 16 is really nice if all hangs to use it before a hrad power-cycle what i nat want are the reboot/halt-options because without sync/umount they are the same like a hard-reset/power-cycle
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