IEA516W MODIFY SUBCHANNEL FAILED FOR DEVICE NUMBER dev
Explanation
During system initialization, the Modify Subchannel (MSCH) instruction failed while the system was trying to enable a device.
In the message text:
- dev
- The device number.
System action
The system ends initialization. The system enters nonrestartable wait state X'0B1' with reason code X'004'.
System programmer response
See the system programmer response for wait state X'0B1'.
Source
Input/output supervisor (IOS)
Module
IOSIOFR