dasd-diag.d0c64e <bus ID of the DASD>: A 64-bit DIAG call failed

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Explanation

64-bit DIAG calls require a 64-bit z/VM® version.

User response

Use z/VM 5.2 or later or set the sysfs 'use_diag' attribute of the DASD to 0 to switch off DIAG.

Severity

Warning