In most instances when a SHUTDOWN does not function properly the cause
is associated with the OS inability to close your private volumes (if
you have any).

>-----Original Message-----
>From:  Jon Diercks [SMTP:[log in to unmask]]
>Sent:  Tuesday, August 05, 1997 10:29 AM
>To:    [log in to unmask]
>Subject:       (summary) Process hung on redirected sh input
>
>For those interested:
>
>I did end up rebooting last night.  Apparently the locked-up directory entry
>even prevented =SHUTDOWN from completing normally.  It got through aborting
>most other sessions and jobs, but the hung ones never did clear, and the box
>just sat there for 20 minutes with a D100 on the hex display.  So I gave up
>and ^B/TC/DUMP'ed it so HP can take a look at what happened.
>
>General response on this topic seems to have been that yes, there are some
>ugly problems that can come up when mixing CIOR and Posix shell
>piping/redirection.  I was pointed to some alternate strategies for
>accomplishing my original task without involving CIOR, and some patches were
>mentioned which may be related to the problem.  I'll investigate all those
>further when time permits.
>
>Thanks everyone for your help.
>
>
>(original post)
>In the "yet another way POSIX can shoot itself in the foot" category...
>
>:echo awk 'BEGIN{print "Hi there"}' >jpdtmp
>:save jpdtmp
>:file jpdtmp,old
>:sh <*jpdtmp
>
>Something like this caused my session to hang, un-abortable by abortjob,
>nscontrol;killsess, or abortcon.  Furthermore, the directory entry for
>jpdtmp seems to be locked up by this process in such a way that any other
>process attempting to access the file (including :listfile or :store) hangs
>in the same unbreakable state.  HPRC tells me a reboot is my only option.
>Anybody else got any ideas?
>
>And more to the point, anybody got any comments on why the above doesn't
>work, and perhaps another way to do it?  Thanks.
>
>________________________________________________________
>Jon Diercks * Systems Manager         Computing Services
>[log in to unmask] (PGP available)     Anderson University
>http://rowlf.csv.anderson.edu/        1100 East Fifth St
>(765)641-4305 * FAX (765)641-3851     Anderson, IN 46012