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Length: 2031 (0x7ef)
Types: HLP, TextFile
Names: »CRASHDUMP.HLP«
└─⟦24d56d853⟧ Bits:30000744 8mm tape, Rational 1000, DFS, D_12_6_5 SEQ293
└─⟦this⟧ »CRASHDUMP.HLP«
└─⟦9031b0687⟧ Bits:30000407 8mm tape, Rational 1000, DFS, D_12_7_3
└─⟦this⟧ »CRASHDUMP.HLP«
CRASHDUMP
The CRASHDUMP program is used to capture all R1000 processor state
on a magnetic tape for use in debugging system software and microcode
problems. After some types of system crashes the operator will be
asked if he/she wishes to take a CRASHDUMP. In most cases the operator
should. This program is fairly self-documenting but requires some
input from the system operator. At times when the CRASHDUMP program
is not invoked automatically the operator may invoke it as follows:
CLI> x crashdump
The CRASHDUMP program queries the operator as follows:
Tape unit number 0 .. 3 [0] ?
Tape density is PE(GCR), you can manually change it now.
Volume Id, (1..6 characters) ?
Please enter any comments or information that may help isolate or reproduce
this problem. To terminate the comment, enter a ")" on a line by itself.
)
Answer these questions in the obvious fashion. The Volume ID field is used
to track crash dump tapes. You should keep a log of the Volume ID you enter.
The comments are of great importance when debugging from a CRASHDUMP tape.
They should include processor location, your name, your phone number, and
any information about what seemed to cause the system to crash.
The CRASHDUMP program takes a fair amount of time to write the entire tape.
The tape should be at least 1200 feet long for a GCR CRASHDUMP. The program
displays the following information while running:
Saving state for board JKLMFQTVS [OK]
Saving Special Registers [OK]
Saving Trace Rams [OK]
Dumping CRASH_DUMP.COMMENTS [OK]
Dumping IOP_DUMP1 [OK]
Dumping IOP_DUMP2 [OK]
Dumping CRASH_DUMP.SAVED_STATE [OK]
Dumping CRASH_DUMP.REGISTERS [OK]
Dumping CRASH_DUMP.TAG_STORE [OK]
Dumping CRASH_DUMP.MEMORY 0123456789ABCDEF [OK]
Crash Dump is complete.
Once the CRASHDUMP is finished remove the tape from the R1000, write protect
it and forward it to Rational Customer Support. Be sure to place a legible
label on the tape with your name and phone number.