DataMuseum.dk

Presents historical artifacts from the history of:

Rational R1000/400 DFS Tapes

This is an automatic "excavation" of a thematic subset of
artifacts from Datamuseum.dk's BitArchive.

See our Wiki for more about Rational R1000/400 DFS Tapes

Excavated with: AutoArchaeologist - Free & Open Source Software.


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⟦8a9dcea26⟧ HLP, TextFile

    Length: 2031 (0x7ef)
    Types: HLP, TextFile
    Names: »CRASHDUMP.HLP«

Derivation

└─⟦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« 

TextFile

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.