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z/VM: System Messages and Codes Š CP - z/VM - IBM

z/VM: System Messages and Codes Š CP - z/VM - IBM

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contact your <strong>IBM</strong> software support for programming<br />

support.<br />

H<strong>CP</strong>6847E You cannot define a comm<strong>and</strong> whose<br />

alias is itself an alias<br />

Explanation: <strong>CP</strong> rejected the request to define a new<br />

alias for an existing <strong>CP</strong> comm<strong>and</strong> because the existing<br />

<strong>CP</strong> comm<strong>and</strong> that was specified is actually an alias for<br />

another <strong>CP</strong> comm<strong>and</strong>. <strong>CP</strong> does not allow you to define<br />

an alias for an alias.<br />

<strong>System</strong> Action: <strong>CP</strong> does not define the new alias;<br />

system operation continues.<br />

User Response: Find out which existing <strong>CP</strong> comm<strong>and</strong><br />

the existing alias points to. Define the new alias again,<br />

specifying the name of the existing <strong>CP</strong> comm<strong>and</strong><br />

instead of the existing alias.<br />

To find out which existing <strong>CP</strong> comm<strong>and</strong> the existing<br />

alias points to, enter the <strong>CP</strong>:<br />

v LOCATE CMDBK comm<strong>and</strong> to display the comm<strong>and</strong><br />

table entry address of the existing comm<strong>and</strong><br />

v DISPLAY H (host storage) comm<strong>and</strong> to see the<br />

contents of that storage address.<br />

Important Note<br />

If you did not use the <strong>CP</strong> DEFINE ALIAS<br />

comm<strong>and</strong> or configuration file statement to define<br />

the new alias, then an internal error has occurred.<br />

Contact your <strong>IBM</strong> software support for<br />

programming support.<br />

H<strong>CP</strong>6848E The I/O configuration could not be<br />

validated. To stop all processing, enter<br />

STOP. To continue initialization with<br />

the dynamic I/O support disabled,<br />

enter GO<br />

Explanation: During a system re-IPL, a user tried to<br />

reset the configuration bit that was not valid in the<br />

channel subsystem, but the attempt failed. The reason<br />

is given by the previous message.<br />

<strong>System</strong> Action: None.<br />

User Response: Contact your system programmer.<br />

<strong>System</strong> Programmer Response: Look at the<br />

message issued prior to this message to determine the<br />

reason why the configuration bit that was not valid could<br />

not be reset. If you want to continue the IPL without the<br />

dynamic I/O support, enter GO. Otherwise, enter STOP,<br />

<strong>and</strong> the system will go into a wait state. You may have<br />

to power off the machine to fix the problem.<br />

H<strong>CP</strong>6850E The variations of this message are<br />

explained below.<br />

MESSAGES:<br />

v Cannot disable dynamic I/O changes<br />

<strong>System</strong> is in configuration mode<br />

v Cannot disable dynamic I/O changes<br />

A dynamic I/O change is in progress<br />

v Cannot set system configuration token<br />

<strong>System</strong> is in configuration mode<br />

H<strong>CP</strong>6847E H<strong>CP</strong>6851E<br />

v Cannot set system configuration token<br />

A dynamic I/O change is in progress<br />

Explanation: Either the SET DYNAMIC_I/O OFF<br />

comm<strong>and</strong> was entered to disable dynamic I/O capability<br />

in the system, or the SET TOKEN comm<strong>and</strong> was<br />

entered to alter the description fields in the channel<br />

subsystem configuration token. Either a user has the<br />

machine in configuration mode, or a dynamic change is<br />

currently in progress. Note that the machine can be in<br />

configuration mode either from an earlier, uncompleted<br />

dynamic I/O comm<strong>and</strong> or because another logical<br />

partition is running z/OS <strong>and</strong> is performing a dynamic<br />

CHPID management function.<br />

<strong>System</strong> Action: Dynamic I/O capability is not disabled<br />

in the system, or the channel subsystem configuration<br />

token is not updated as requested.<br />

User Response: Wait for either the machine to be out<br />

of configuration mode, <strong>and</strong> enter the comm<strong>and</strong> again, or<br />

wait for the dynamic change in progress to complete<br />

<strong>and</strong> enter the comm<strong>and</strong> again.<br />

H<strong>CP</strong>6851E I/O configuration cannot be changed<br />

because <strong>VM</strong> is not the controlling<br />

partition<br />

Explanation: The system has been defined to enable<br />

Dynamic I/O Configuration at system initialization or by<br />

the SET DYNAMIC_I/O comm<strong>and</strong>, but it was found that<br />

another LPAR had already set up the configuration<br />

token.<br />

<strong>System</strong> Action: <strong>System</strong> operation continues, but<br />

dynamic I/O configuration is not allowed.<br />

User Response: Determine which partition has been<br />

enabled to change the I/O configuration <strong>and</strong> determine<br />

which partition should be performing dynamic I/O<br />

changes. If the <strong>VM</strong> partition should, you must write a<br />

new IO<strong>CP</strong> to the processor controller following the steps<br />

outlined in the z/<strong>VM</strong>: I/O Configuration book.<br />

Chapter 3. <strong>System</strong> <strong>Messages</strong> 413

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