HP RX2600 Manuel d'utilisateur télécharger pdf (Page 12)

page 234/22/04

RX2600 consoles

MP Command Set

page 244/22/04

RX2600 consoles

Forcing a system crash

• History

– On VAX and early Alpha system, ^P was detected by

special hardware and handled by the console

– Commodity serial ports pushed ^P detection in

console firmware, if IPL < DEVICE_IPL

• EFI console ignores ^P, no way to return to EFI Shell

• IA64 VMS console terminal driver handles ^P

– Calls XDELTA, if loaded

– Prompts for forced crash, if IPL < DEVICE_IPL

• Remote console command generates Transfer of

Control signal (BMC:TOC, MP:TC)

– Handled by IA64 VMS as a non-maskable exception

and results in a crash dump regardless of IPL

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