Please follow this checklist, to help the support people to better understand the system crash.
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To discontinue search, press any key (termination may not be immediate).
...then press a key (e.g., space bar) to stop the search.
Interact with IPL (Y, N, or Cancel)?>
answer: Y
To discontinue, press any key within 10 seconds.
...then press a key (e.g., space bar) to stop the search.
Boot from primary boot path (Y or N)?>
answer: Y
Interact with IPL (Y or N)?>answer: Y
(The dump should now start writing to the tape, and will print periods on the console while it is writing. The dump will take between 5 minutes and 2 hours, depending upon how much memory your computer has, and how busy the computer was.)
If you've never done this before, we suggest:
:HELLO MANAGER.SYS
:NEWGROUP DUMPS
:CHGROUP DUMPS
:DAT.DAT.TELESUP
(There is a five character limit to the dump name. The first character has to be a letter, and may be followed by any combination of letters and digits.)
Enter the getdump command: (The following example creates a dump file called SA1)
getdump SA1
DAT will request the tape (you may need to =REPLY to the tape request) and will allocate disk space to hold the dump. It then reads the tape onto disk, and displays a progress bar while doing so.
macstart "SA1", "1"
Note: if DAT says it found errors while loading the dump, and asks if it should continue, enter YES.
process_wait; ui_showjob
exit
:STORE SA1@ ;; show; progress
(You can STORE the dump onto the original tape, if you wish ... the original dump tape is no longer needed, because the STORE tape version is more useful.)
If you've never done this before, we suggest:
:hello MANAGER.SYS
:newgroup DUMPS
:chgroup DUMPS
Note: you might want to NEWGROUP/HOMEVS the DUMPS groups to a user volume set
that has a lot of available free space. Assuming a volumeset called BIG, you could do:
:hello MANAGER.SYS
:newgroup DUMPS
:newgroup DUMPS; onvs=BIG
:altgroup DUMPS; homevs=BIG
:chgroup DUMPS
:DAT.DAT.TELESUP
(There is a five character limit to the dump name. The first character has to be a letter, and may be followed by any combination of letters and digits.)
Enter the getdump command: (The following example creates a dump file called HANG1)
getdump HANG1
DAT will request the tape (you may need to =REPLY to the tape request) and will allocate disk space to hold the dump. It then reads the tape onto disk, and displays a progress bar during loading.
macstart "HANG1", "1"
Note: if DAT says it found errors while loading the dump, and asks if it should continue, enter YES.
process_wait; ui_showjob; io_dev_list
(The above will search the dump and build a list of all processes, all jobs/sessions,
and all IO LDEVs, and will save the list in a disk file associated with the dump, called
HANG1MEM.)
exit
:STORE HANG1@ ;; show; progress
(You can STORE the dump onto the original tape, if you wish ... the original dump tape is no longer needed, because the STORE tape version is more useful.)