HP 3000 Manuals HP 3000 Manuals
Class Errors (Cont'd.)
Class Error 2
Class error 2 is composed of translation look-aside buffer (TLB) and
cache failures. These two types of errors are coded 23xx and 27xx.
Translation Look-Aside Buffer (TLB) Failure.
translation look-aside buffer messages take the form:
26xx
where:
xx = detailed error number.
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00 MESSAGE No message. System halts. (E)
CAUSE Undefined error occurred at the start of the test
of this board.
ACTION Contact your Hewlett-Packard Support
Representative.
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01 MESSAGE No message. System halts. (E)
CAUSE Verification of the read and write operation on the
space registers through space ID fails.
ACTION Contact your Hewlett-Packard Support
Representative.
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02 MESSAGE No message. System halts. (E)
CAUSE Verification of the read and write operation on the
space registers through MTSP fails.
ACTION Contact your Hewlett-Packard Support
Representative.
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04 MESSAGE No message. System halts. (E)
CAUSE Verification of the read or write access to a page
with proper protection and access right fails.
Second possible cause of the error is the cache
unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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05 MESSAGE No message. System halts. (E)
CAUSE Verification of the write disable bit operation
fails. Second possible cause of the error is the
cache unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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06 MESSAGE No message. System halts. (E)
CAUSE Verification of the public access operation fails.
Second possible cause of the error is the cache
unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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07 MESSAGE No message. System halts. (E)
CAUSE Verification of the PSW P Bit operation fails.
Second possible cause of the error is the cache
unit. Third possible cause of the error is the
instruction unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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08 MESSAGE No message. System halts. (E)
CAUSE Verification of the data TLB MISS trap operation
fails. Second possible cause of the error is the
instruction unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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09 MESSAGE No message. System halts. (E)
CAUSE Verification of the non-access data TLB MISS trap
operation fails. Second possible cause of the
error is the instruction unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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0A MESSAGE No message. System halts. (E)
CAUSE Verification of the debug trap operation fails.
Second possible cause of the error is the
instruction unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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0B MESSAGE No message. System halts. (E)
CAUSE Verification of the dirty bit trap operation fails.
Second possible cause of the error is the
instruction unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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0C MESSAGE No message. System halts. (E)
CAUSE Verification of the virtual I/O trap operation
fails. Second possible cause of the error is the
instruction unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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0D MESSAGE No message. System halts. (E)
CAUSE Verification of the physical page number RAMs
fails.
ACTION Contact your Hewlett-Packard Support
Representative.
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10 MESSAGE No message. System halts. (E)
CAUSE Lower privilege trap does not occur. Second
possible cause of the error is the instruction
unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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11 MESSAGE No message. System halts. (E)
CAUSE Verification of the data path through PIDs fails.
ACTION Contact your Hewlett-Packard Support
Representative.
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12 MESSAGE No message. System halts. (E)
CAUSE Verification of the data path through PCSQ fails.
ACTION Contact your Hewlett-Packard Support
Representative.
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13 MESSAGE No message. System halts. (E)
CAUSE Verification of the I bit functionality fails.
Second possible cause of the error is the cache
unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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14 MESSAGE No message. System halts. (E)
CAUSE Verification of the physical address generation or
the physical page number RAM fails. Second
possible cause of the error is the cache unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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15 MESSAGE No message. System halts. (E)
CAUSE Verification of the read and write with virtual
address operation fails. Second possible cause of
the error is the cache unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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16 MESSAGE No message. System halts. (E)
CAUSE Gateway instruction does not promote privilege to
zero in a real mode. Second possible cause is the
instruction unit. Third possible cause is the
register file.
ACTION Contact your Hewlett-Packard Support
Representative.
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18 MESSAGE No message. System halts. (E)
CAUSE Verification of the privilege level generation with
gateway instruction for page types 2 or 3 fails.
Second possible cause is the instruction unit.
Third possible cause is the register file.
ACTION Contact your Hewlett-Packard Support
Representative.
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19 MESSAGE No message. System halts. (E)
CAUSE Verification of the privilege level generation with
gateway instruction for page types 4, 5, 6, or 7
fails. Second possible cause is the instruction
unit. Third possible cause is the register file.
ACTION Contact your Hewlett-Packard Support
Representative.
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1A MESSAGE No message. System halts. (E)
CAUSE Gateway instruction does not promote privilege to
zero in a virtual mode. Second possible cause is
the instruction unit. Third possible cause is the
register file.
ACTION Contact your Hewlett-Packard Support
Representative.
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1B MESSAGE No message. System halts. (E)
CAUSE Verification of the execution of the gateway
instruction in delay slot of the branch fails. (No
trap is generated.) Second possible cause is the
instruction unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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1C MESSAGE No message. System halts. (E)
CAUSE Verification of the generation of a data memory
protection trap fails. Second possible cause is
the instruction unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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1D MESSAGE No message. System halts. (E)
CAUSE Verification of the generation of an instruction
memory protection trap fails. Second possible
cause is the instruction unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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20 MESSAGE No message. System halts. (E)
CAUSE Verification of the ISR operation fails.
ACTION Contact your Hewlett-Packard Support
Representative.
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21 MESSAGE No message. System halts. (E)
CAUSE Verification of the IOR operation fails.
ACTION Contact your Hewlett-Packard Support
Representative.
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22 MESSAGE No message. System halts. (E)
CAUSE Verification of the parity generator and parity
checking on the data TLB physical page number RAM
fails. Second possible cause is the instruction
unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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23 MESSAGE No message. System halts. (E)
CAUSE Verification of the parity generator and parity
checking on the instruction TLB physical page
number RAM fails. Second possible cause is the
instruction unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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26 MESSAGE No message. System halts. (E)
CAUSE Verification of the memory protection trap with
byte access fails.
ACTION Contact your Hewlett-Packard Support
Representative.
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27 MESSAGE No message. System halts. (E)
CAUSE Verification of the memory protection trap with
half word access fails.
ACTION Contact your Hewlett-Packard Support
Representative.
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28 MESSAGE No message. System halts. (E)
CAUSE Verification of the memory protection trap with
word access fails.
ACTION Contact your Hewlett-Packard Support
Representative.
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29 MESSAGE No message. System halts. (E)
CAUSE Verification of the instruction TLB MISS fault
fails.
ACTION Contact your Hewlett-Packard Support
Representative.
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2A MESSAGE No message. System halts. (E)
CAUSE Cannot force data TLB MISS fault.
ACTION Contact your Hewlett-Packard Support
Representative.
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2B MESSAGE No message. System halts. (E)
CAUSE Cannot verify protection ID, access ID.
ACTION Contact your Hewlett-Packard Support
Representative.
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2C MESSAGE No message. System halts. (E)
CAUSE Cannot verify public pages.
ACTION Contact your Hewlett-Packard Support
Representative.
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2D MESSAGE No message. System halts. (E)
CAUSE Cannot distinguish between instruction CA and data
CA with the diagnostic register.
ACTION Contact your Hewlett-Packard Support
Representative.
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2E MESSAGE No message. System halts. (E)
CAUSE Verification of the two cycle opcode instruction
fails. Cannot verify TLB FREZ.
ACTION Contact your Hewlett-Packard Support
Representative.
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31 MESSAGE No message. System halts. (E)
CAUSE Unexpected instruction TLB MISS fault occurs.
Second possible cause of the error is the
instruction unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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32 MESSAGE No message. System halts. (E)
CAUSE Unexpected instruction memory protection trap
occurs. Second possible cause of the error is the
instruction unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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33 MESSAGE No message. System halts. (E)
CAUSE Unexpected TLB MISS trap occurs. Second possible
cause of the error is the instruction unit.
ACTION contact your Hewlett-Packard Support
Representative.
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34 MESSAGE No message. System halts. (E)
CAUSE Unexpected nonaccess instruction TLB MISS trap
occurs. Second possible cause of the error is the
instruction unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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35 MESSAGE No message. System halts. (E)
CAUSE Unexpected nonaccess instruction TLB MISS trap
occurs.
Second possible cause of the error is the
instruction unit
ACTION Contact your Hewlett-Packard Support
Representative.
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36 MESSAGE No message. System halts. (E)
CAUSE Unexpected data memory protection trap occurs.
Second possible cause of the error is the
instruction unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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37 MESSAGE No message. System halts. (E)
CAUSE Unexpected data memory break trap occurs. Second
possible cause of the error is the instruction
unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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38 MESSAGE No message. System halts. (E)
CAUSE Unexpected TLB dirty bit fault occurs. Second
possible cause of the error is the instruction
unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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39 MESSAGE No message. System halts. (E)
CAUSE Unexpected virtual device reference trap occurs.
Second possible cause of the error is the
instruction unit.
ACTION Contact your Hewlett-Packard Support
Representative.
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40 MESSAGE No message. System halts. (E)
CAUSE Cannot verify the TLB indexing through its RAM.
ACTION Contact your Hewlett-Packard Support
Representative.
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