Hercules Version 3: System Messages: VM - VM/CP Emulation

This page describes the VM/CP emulation messages for the Hercules S/370, ESA/390, and z/Architecture emulator.

Messages

HHCVM001I *panel_command* panel command issued by guest
Explanation
The guest operating system has issued a DIAGNOSE 8 instruction to perform the panel_command panel command to be carried out by the hercules panel command processor
System Action
The hercules panel command processor carries out the command, if possible.
Operator Action
None
Programmer Action
No action is requested if this behaviour is expected. If this behaviour poses a security concern, the DIAG8CMD configuration statement should either be ommited or specified with the disabled argument.
Module
vm.c

HHCVM002I *panel_command command complete
Explanation
The panel_command panel command has been carried out by the panel command processor. Note that this message only appears if the guest issued diagnose 8 instruction specified that it didn't request the command response to be placed in a supplied buffer.
System Action
The system continues
Operator Action
None. This is an informational message
Programmer Action
None. This is an informational message
Module
vm.c

HHCVM003I Host command processing disabled by configuration statement
Explanation
The guest operating system attempted using the DIAGNOSE 8 Instruction to carry out a panel command, but the system configuration disabled this feature (with the DIAG8CMD configuration statement)
System Action
The panel command is ignored.
Operator Action
None.
Programmer Action
If it is deemed necessary for the guest operating system to issue DIAGNOSE 8 commands to issue panel commands, the DIAG8CMD with the enable argument should be specified in the configuration file.
Module
vm.c

HHCVM004E Host command processing not included in engine build
Explanation
The hercules engine has been built WITHOUT Diagnose 8 panel command facility support
System Action
The panel command is not issued. The system continues.
Operator Action
None
Programmer Action
If it is desired that DIAGNOSE 8 Instruction be carried out as panel commands, the facility should be included in the build process. Additionally, the DIAG8CMD configuration statement should be specified with the enable parameter.
Module
vm.c


If you have a question about Hercules, see the Hercules Frequently-Asked Questions page.


back

Last updated $Date: 2007-10-06 14:44:28 -0500 (Sat, 06 Oct 2007) $ $Revision: 4460 $