Channel subsystem errors
If the channel subsystem fails, the hardware generates a channel subsystem damage machine check interrupt. The resultant processing enters the entire system into non-restartable wait state X'A19' and issues message IOS019W.
If the channel subsystem fails, the hardware generates a channel subsystem damage machine check interrupt. The resultant processing enters the entire system into non-restartable wait state X'A19' and issues message IOS019W.