HPIO Channel Manager
(Subsystem 114)
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- 38
- MESSAGE
An I/O transaction completed with a non-zero residue count. This is to be expected under normal I/O conditions.
- CAUSE
DMA transferred fewer bytes than specified.
- ACTION
No action required.
- 44
- MESSAGE
An asynchronous interrupt from a device adapter card was detected, but no associated DMA was found. The interrupt is treated as being spurious in nature.
- CAUSE
Noisy signal from the CIO bus connector cable.
- ACTION
Check the CIO bus connector cable and replace if necessary.
- 46
- MESSAGE
A spurious timer event message was received without an associated request info block. The timer event was discarded, assuming it to be spurious in nature.
- CAUSE
Software race condition with the timer subsystem.
- ACTION
No action required.
- 51
- MESSAGE
A request to enable parity checking for a device adapter card must be denied, because this version of the channel does not support parity.
- CAUSE
CIO channel adapter hardware version does not support parity checking.
- ACTION
No action required.
- 129
- MESSAGE
The CIO-specific third-level interrupt handler failed to send an interrupt event notification message to the associated CHANNEL ADAPTER MANAGER.
- CAUSE
Interrupt Completion List has been corrupted.
- ACTION
Take a system dump for analysis.
- 150
- MESSAGE
The CHANNEL ADAPTER MANAGER has been set to a "BROKEN" state by the diagnostic subsystem. In this state, the channel adapter hardware is assumed to be broken, such that no I/O transaction can be successfully completed.
- CAUSE
The CIO channel adapter hardware is broken.
- ACTION
Refer to the diagnostic subsystem or replace the CIO channel adapter hardware.
- 151
- MESSAGE
The CHANNEL ADAPTER MANAGER has received an event message for which an action procedure is not known. This generally occurs during anomalous manager state transitions, such as powerfail recovery.
- CAUSE
Software error reported.
- ACTION
No action required.
- 152
- MESSAGE
The CHANNEL ADAPTER MANAGER has received a message that contains a descriptor of unknown value in the header. The message is thrown away and no further action is taken.
- CAUSE
Software error reported.
- ACTION
No action required.
- 153
- MESSAGE
The CHANNEL ADAPTER MANAGER is in an ILLEGAL STATE condition. A possible cause for this condition is the corruption of the port data area.
- CAUSE
Software error reported.
- ACTION
No action required.
- 154
- MESSAGE
The CHANNEL ADAPTER MANAGER has received a request message that can not be legally accepted and processed in its current state. An error reply message is returned to the originator of the request.
- CAUSE
Software reported.
- ACTION
No action required.
- 155
- MESSAGE
The CHANNEL ADAPTER MANAGER has been invoked with no associated message. This is a catastrophic error and no action is taken by the manager, except to notify the diagnostic subsystem of the error.
- CAUSE
A problem exists with IPC in SEND_MSG interface.
- ACTION
Take a system dump for analysis.
- 156
- MESSAGE
The CHANNEL ADAPTER MANAGER encountered a system or I/O SERVICES error during the processing of an I/O transaction. The general nature of system service errors will tend to be in the IPC or timer services.
- CAUSE
A system service error occurred.
- ACTION
Take a system dump for analysis.
- 157
- MESSAGE
The channel hardware reported an undefined subchannel state error condition. In response, the associated device adapter card is reset by the CHANNEL ADAPTER MANAGER to clear the error condition.
- CAUSE
Bad CIO connector cable or defective device adapter card.
- ACTION
Run diagnostics on the device adapter card.
- 159
- MESSAGE
The channel hardware reported a subchannel RTS buffer OVERRUN error condition. The maximum RTS message allowed is 16 bytes. The associated device adapter card is reset by the CHANNEL ADAPTER MANAGER to clear the error condition.
- CAUSE
Bad I/O connector cable or defective device adapter card.
- ACTION
Run diagnostics on the device adapter card.
- 160
- MESSAGE
The channel hardware reported a SRQ assertion on an inactive subchannel. This is generally a noise problem on the CIO backplane.
- CAUSE
Bad I/O connector cable or defective device adapter card.
- ACTION
Run diagnostics on the device adapter card.
- 161
- MESSAGE
The channel hardware reported an unknown subchannel DMA command. In response to this error condition, the device adapter card is reset by the CHANNEL ADAPTER MANAGER.
- CAUSE
Bad CIO connector or defective device adapter card.
- ACTION
Run diagnostics on the device adapter card.
- 162
- MESSAGE
The channel hardware reported an unknown subchannel error. The CHANNEL ADAPTER MANAGER, in response, will reset the associated device adapter card.
- CAUSE
Bad I/O connector cable or defective device adapter card.
- ACTION
Run diagnostics on the device adapter card.
- 164
- MESSAGE
The channel hardware did not detect the expected assertion of the MYAD line during a subchannel primitive addressing operation. The device adapter card is reset to clear the subchannel error condition.
- CAUSE
Bad CIO connector cable or defective device adapter card.
- ACTION
Run diagnostics on the device adapter card.
- 165
- MESSAGE
The channel hardware reported a subchannel data parity error condition. In response, the device adapter card is reset by the CHANNEL ADAPTER MANAGER to clear the error condition.
- CAUSE
Bad CIO connector cable or defective device adapter card.
- ACTION
Run diagnostics on the device adapter card.
- 167
- MESSAGE
The channel hardware reported a catastrophic module error with an undefined error code. The entire channel is reset by the CHANNEL ADAPTER MANAGER to clear the error condition.
- CAUSE
CIO channel adapter hardware or bus error.
- ACTION
Run diagnostics on the channel adapter card.
- 168
- MESSAGE
The channel hardware reported a catastrophic module error where an ARQ line was asserted on the CIO backplane, but no device adapter card responded to the ARQ poll. The entire channel is reset to clear the error condition.
- CAUSE
CIO channel adapter hardware or bus error occurred.
- ACTION
Run diagnostics on the channel adapter.
- 169
- MESSAGE
The channel hardware reported a catastrophic module error where no response was found to a midbus address transaction. In response, the entire channel is reset to clear the error condition.
- CAUSE
CIO channel adapter hardware or bus error.
- ACTION
Run diagnostics on the channel adapter.
- 170
- MESSAGE
The channel hardware reported a catastrophic module error where, as master on midbus, a PROTOCOL error was detected. The entire channel is reset in order to clear the error condition.
- CAUSE
CIO channel adapter hardware or bus error.
- ACTION
Run diagnostics on the channel adapter.
- 171
- MESSAGE
The channel hardware reported a catastrophic module error where a data parity error was detected during a midbus transaction. The entire channel is reset in order to clear the error condition.
- CAUSE
CIO channel adapter hardware or bus error.
- ACTION
Run diagnostics on the channel adapter.
- 172
- MESSAGE
The channel hardware reported an error caused by a diagnostic loopback test.
- CAUSE
Bad CIO channel adapter hardware.
- ACTION
Replace channel adapter hardware.
- 175
- MESSAGE
The channel hardware received an invalid (not decodable) command.
- CAUSE
Bad CIO channel adapter hardware.
- ACTION
Replace CIO channel adapter hardware.
- 176
- MESSAGE
The channel hardware reported a catastrophic internal module error condition. In response, the entire channel is reset by the CHANNEL ADAPTER MANAGER in order to clear the error condition.
- CAUSE
Bad CIO channel adapter hardware.
- ACTION
Replace CIO channel adapter hardware.
- 181
- MESSAGE
The internal request information block list is not consistent. This list is doubly linked and is used to track all I/O transactions on the channel hardware.
- CAUSE
Channel Adapter Manager (CAM) data structure corruption.
- ACTION
Take a system dump for analysis.
- 182
- MESSAGE
An internal table structure is not consistent. These tables manage resource allocation for I/O transactions on the channel hardware.
- CAUSE
Channel Adapter Manager (CAM) data structure corruption.
- ACTION
Take a system dump for analysis.
- 183
- MESSAGE
The INTERNAL REQUEST INFO BLOCK TABLE has been exhausted of free entries. The request info blocks are used to track I/O transactions on the channel hardware.
- CAUSE
Too many concurrent I/O requests were activated on the channel.
- ACTION
Increase the load field in the SYSGEN I/O configuration file for the channel to 256.
- 184
- MESSAGE
The internal STATUS BLOCK TABLE has been exhausted of free entries. The status blocks are used in building physical quad chains to return DMA residue count information.
- CAUSE
Too many concurrent I/O requests were activated on the channel.
- ACTION
Increase the load field in the system I/O configuration file for the channel to 256.
- 185
- MESSAGE
The internal QUAD ENTRY TABLE has been exhausted of free entries. The quad entries are used in building physical quad chains to perform DMA operations.
- CAUSE
Too many concurrent I/O requests were activated on the channel.
- ACTION
Increase the load field in the SYSGEN I/O configuration file for the channel to 256.
- 186
- MESSAGE
The internal LOGCHANNEL TABLE has been exhausted of free entries. A unique LOGCHANNEL number is assigned to each active I/O transaction on the channel hardware.
- CAUSE
Too many concurrent I/O requests were activated on the channel.
- ACTION
Increase the load field in the SYSGEN I/O configuration file for the channel to 256.
- 191
- MESSAGE
The interrupt completion list contained an invalid list address. When a DMA operation is completed, the channel hardware updates this list before sending a completion interrupt.
- CAUSE
Interrupt completion list has been corrupted.
- ACTION
Take a system dump for analysis.
- 192
- MESSAGE
The partial residue completion list contained an invalid list address. This list is updated by the channel hardware to return residue count information on
a DMA order completion.- CAUSE
Residue completion list has been corrupted.
- ACTION
Take a system dump for analysis.
- 195
- MESSAGE
The CHANNEL ADAPTER MANAGER attempted a diagnostic loopback test, but failed.
- CAUSE
Defective CIO channel adapter hardware.
- ACTION
Replace CIO channel adapter hardware.
- 196
- MESSAGE
The CHANNEL ADAPTER MANAGER attempted a diagnostic hardware selftest, but failed.
- CAUSE
Defective CIO channel adapter hardware.
- ACTION
Replace CIO channel adapter hardware.
- 200
- MESSAGE
The event handling procedure detected an invalid lock event option.
- CAUSE
Software error reported.
- ACTION
No action required.
- 206
- MESSAGE
The reply to a request message could not be sent, because the descriptor field in the request message header was illegal.
- CAUSE
Software error reported.
- ACTION
No action required.
- 207
- MESSAGE
The WAIT sequence number in the request information block for a DMA transaction is illegal. This sequence number determines the next step to start, resume, or abort a DMA transaction.
- CAUSE
Channel Adapter Manager (CAM) data structure corruption.
- ACTION
Take a system dump for analysis.
- 208
- MESSAGE
The SELFTEST sequence number in the request information block for a SELFTEST request is illegal. This sequence number determines the next step to complete the device adapter SELFTEST sequence.
- CAUSE
Channel Adapter Manager (CAM) data structure corruption.
- ACTION
Take a system dump for analysis.
- 209
- MESSAGE
The CONTROL FUNCTION specified in a CIO control request message is illegal. In response, an error reply message is returned to the requestor.
- CAUSE
Software error reported.
- ACTION
No action required.
- 211
- MESSAGE
A timer event message was received specifying an illegal request number.
- CAUSE
Software error reported.
- ACTION
No action required.
- 213
- MESSAGE
The device adapter detected a LOGCHANNEL error trap condition while processing an I/O transaction. The transaction is forced to terminate prematurely with accompanying reported status information.
- CAUSE
Hardware error reported.
- ACTION
No action required.
- 214
- MESSAGE
An upper DMA requested a destructive operation while it had other requests pending.
- CAUSE
Software error reported.
- ACTION
No action required.
- 216
- MESSAGE
The device adapter aborted an I/O transaction spontaneously, without a direct order to destroy the transaction.
- CAUSE
Hardware error reported.
- ACTION
No action required.
- 219
- MESSAGE
A request message contains an illegal buffer address class field.
- CAUSE
Software error reported.
- ACTION
No action required.
- 220
- MESSAGE
A request message specifies an illegal device adapter address.
- CAUSE
Software error reported.
- ACTION
No action required.
- 221
- MESSAGE
The DEVICE ADAPTER is not ready to receive a command.
- CAUSE
Defective device adapter card.
- ACTION
Run diagnostics on the device adapter card.
- 222
- MESSAGE
The DEVICE ADAPTER encountered a SUBCHANNEL ERROR TRAP while processing an I/O transaction.
- CAUSE
Defective device adapter card.
- ACTION
Run diagnostics on the device adapter card.
- 223
- MESSAGE
The DEVICE ADAPTER is not ready to accept an RSC (resume subchannel) command. As a result, the subchannel is assumed to be in a permanently PAUSED condition.
- CAUSE
Defective device adapter card.
- ACTION
Run diagnostics on the device adapter card.
- 224
- MESSAGE
The channel hardware has set a SUBCHANNEL in a not ready to start DMA state. This error condition is indicative of a hung device adapter card.
- CAUSE
Defective device adapter card.
- ACTION
Run diagnostics on the device adapter card.
- 225
- MESSAGE
The virtual quad chain contains an illegal CLC (connect LOGCHANNEL) order.
- CAUSE
Software error reported.
- ACTION
No action required.
- 226
- MESSAGE
The virtual quad chain contains an ILLEGAL DISCONNECT ORDER.
- CAUSE
Software error reported.
- ACTION
No action required.
- 227
- MESSAGE
The virtual quad chain specified an ILLEGAL TERMINATING ORDER.
- CAUSE
Software error reported.
- ACTION
No action required.
- 228
- MESSAGE
The virtual quad chain specified an order with the DMA continue bit set in an illegal manner.
- CAUSE
Software error reported.
- ACTION
No action required.
- 229
- MESSAGE
The virtual quad chain specified an illegal CLC (connect LOGCHANNEL) buffer.
- CAUSE
Software error reported.
- ACTION
No action required.
- 230
- MESSAGE
The virtual quad chain specified a buffer not aligned to a 64-byte boundary.
- CAUSE
Software error reported.
- ACTION
No action required.
- 231
- MESSAGE
The virtual quad chain specified a DMA buffer not frozen in memory.
- CAUSE
Software error reported.
- ACTION
No action required.
- 232
- MESSAGE
The channel hardware reported a loss of power to the CIO backplane. As a result, all DMA activity is terminated in an unknown state.
- CAUSE
Remote CIO power loss reported.
- ACTION
No action required.
- 233
- MESSAGE
The channel hardware is not ready for a command. This error condition can never occur on a functioning channel.
- CAUSE
Defective CIO channel adapter hardware.
- ACTION
Replace CIO channel adapter hardware.
- 236
- MESSAGE
Channel hardware configuration specifies an invalid I/O module adapter type in the IODC ROM.
- CAUSE
Incorrect SYSGEN I/O configuration file.
- ACTION
Check SYSGEN I/O configuration file.
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HPIB Adapter Manager (Subsystem 116) |
I/O Services (Subsystem 213) |