[CentOS] SysRq over usb serial adapters

Barry Brimer

lists at brimer.org
Tue Oct 1 03:34:50 UTC 2013


> I'm using 115200, 8N1, VT102.  I can echo m > /proc/sysctl-trigger,
> and dmesg shows that the sysrq was received when initiated via the
> procfs interface.  But not over serial, and that's what I need.

I could be wrong .. but you may need to edit your grub config to convince 
your system that the serial terminal is a/the console .. I don't know that 
just sending it through a getty would work that way.

Barry



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