Comment # 60 on bug 105425 from iive@yahoo.com

(In reply to MirceaKitsune from comment #58)
> (In reply to iive from comment #57)
[...]
> And during the netconsole test, I did enable and use the SysRq keys
> (RESUB)... nothing got printed to the other machine. SysRq doesn't seen to
> do anything after the freeze: Nothing happens if I press them, including the
> HDD led which never flashes again indicating that even the drive is never
> used any more.

After hang, does SysRq+R reboot the machine?