Vax 613 0S Instruction Manual Page 175

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Table 38 (Cont.) System Error/Interrupt Matrix
Error
Code
for
Logout
Frame
What Happened,
Who saw it,
What they did,
What is most likely broken,
What else is possibly broken
How
Reported,
PAL
Entry
Point
1
PAL Action
SCB
Offset
2
IPL
82 Tag control parity error
CPU or Cache PALs
Machine Check
Bcache tag control SRAMs
CPU or Cache PALs
Machine
Check
0020
Build stack
Build large
logout,
R=0
Call OS
0660 31
84 External hard error
CPU
Machine Check
Main Memory DRAMs
CPU or CachePALs
Machine
Check
0020
Build stack
BUILD large
logout,
R=0
Call OS
0660 31
86 Correctable ECC error
CPU or Cache PALs
Machine Check
Main Memory DRAMs
Bcache SRAMs
Machine
Check
0020
Build stack
Build small
logout,
R=1
Call OS
0630 31
88 Uncorrectable ECC error
CPU or Cache PALs
Machine Check
Main Memory DRAMs
Bcache SRAMs
Machine
Check
0020
Build stack
Build large
logout,
R=0
Call OS
0660 31
8A Unknown machine check
CPU
Machine Check
Unknown
Machine
Check
0020
Build stack
Build large
logout,
R=0
Call OS
0660 31
8C CACK soft error
CPU
Machine Check
Main Memory DRAMs
CPU or Cache PALs
Machine
Check
0020
Build stack
Build large
logout,
R=0
Call OS
0660 31
8E Bugcheck in PALcode
Software
See PAL Action
Unknown
Build stack
Build large
logout,
R=0
Call OS
0660 31
90 OS Bugcheck
Software
PAL call
Unknown
Build stack
Build large
logout,
R=0
Call OS
0660 31
92 Dcache parity error
CPU
Machine check
CPU
Machine
Check
0020
Build stack
Build large
logout,
R=0
Call OS
0660 31
94 Icache parity error
CPU
Machine check
CPU
Machine
Check
0020
Build stack
Build large
logout,
R=0
Call OS
0670 31
1
All PAL entry points are relative to the contents of the PAL_BASE register.
2
All SCB entry points are relative to SCBB.
(continued on next page)
Hardware Exceptions and Interrupts 10–9
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