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November 2005, Week 3

HP3000-L@RAVEN.UTC.EDU

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From:
Reid Baxter <[log in to unmask]>
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Date:
Tue, 15 Nov 2005 16:34:05 -0500
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Greetings,

I was hoping someone has encountered this error while attempting to stream
their Apache background job:

:RUN HTTPD.PUB.APACHE&
 : ;INFO='-d /!HPACCOUNT     -f /!HPACCOUNT/www/conf      .conf'

 Ouch! ap_mm_create(1048576, "/ABLE/www/logs/httpd.mm.29294829") failed
 Error: MM: mm:core: failed to acquire semaphore (Identifier removed): OS:
Inval
id argument

 END OF PROGRAM
 :EOJ
 CPU sec. = 1.  elapsed min. = 1.  TUE, NOV 15, 2005,  1:21 PM.


I am told by our UNIX Prod Engineers that this occurs when the deamon
(background job) is aborted (which is our current policy) and leaves an
orphaned memory allocation hanging out there. I should mention we run seven
of these job streams out of seven different accounts. This is only
occurring on our development server, but surmise we will eventually see
this occur on the production server as well. Is there a way to remediate
this situation without s restart of the server (MPE) ?The folks I spoke
with refer to a binary in the POSIX env called ipcs that should be able to
display the current allocation, but I can't seem to supply it with the
proper parameters.  Any help and enlightenment would be appreciated (Mr
Bixby ?, anyone ?). Thanks in advance.


Regards,

Reid E. Baxter

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