IBM RT PC Problem Determination Manual page 333

A floating point exception has occurred.
14
A floating point exception occurred while the
Cause:
VRM was running.
Request a VRM dump, or restart the system.
Action:
The VRM encountered an unresolved reference.
15
An internal process attempted to reference or
Cause:
branch to an unknown name.
Request a VRM dump, or restart the system.
Action:
The VRM has encountered a stack overflow.
16
An internal process or SVC routine overflowed
Cause:
its stack area.
Request a VRM dump, or restart the system.
Action:
17 All paging space is in use.
The virtual memory manager did not have
Cause:
enough disk paging space to continue operation.
Re-install the VRM and specify a larger paging
Action:
space minidisk.
The VRM tried to reference an address that is not
18
valid.
An internal routine took a page fault for an
Cause:
invalid address.
Request a VRM dump, or restart the system.
Action:
Appendix C. Abend Codes
C-7