Experimental Physics and Industrial Control System

"assert (semTake(client_lock, WAIT_FOREVER)==OK)"

A semTake within an assert often causes this problem.

change the statement to:

	status = semTake( ... )
	assert( status == OK )
	
and all will be well.

AH


> Date: Wed, 29 Jan 2003 10:11:02 -0800
> From: "Leonard J. Reder" <[email protected]>
> X-Accept-Language: en
> MIME-Version: 1.0
> To: "EPICS Tech Talk (E-mail)" <[email protected]>
> Subject: [Fwd: align CPU Error message????]
> Content-Transfer-Encoding: 7bit
> List-Help: <http://www.aps.anl.gov/epics/mail.php>
> 
> Hello,
> 
> Not sure what to make of this error message but since the message
> below says to email tech-talk I thought I would see if others
> have information for me on this.  See below.  
> 
> Len
> 
> -------- Original Message --------
> Subject: align CPU Error message????
> Date: Wed, 29 Jan 2003 10:08:50 -0800
> From: "Leonard J. Reder" <[email protected]>
> 
> Hello Kevin,
> 
> Mark and Andrew asked me to add some instances of btSeq for k1.m11 and
> k2.m11 on the ldls.  I attempted this and noticed the error given below.
> I put the old start up script back in place and got this error.  It was
> booting up fine before or maybe I just did not notice this error message
> once in awhile.  At any rate all the main sequencer tasks are running
> but
> for each sequencer there is no fault or commanding task running.
> 
> I am not sure what is going on here so for now I will just finish adding
> the new keywords.  Here is the error message:
> 
> k1m6pAlign: A call to "assert (semTake(client_lock, WAIT_FOREVER)==OK)"
> failed in ../iocinf.c at 1046
> Please send a copy of the output from "tt (0xfde078)" and a copy of this
> message
> to the author or "[email protected]"
> This problem occurred in "@(#)Version R3.13.0.beta.12 $$Date: 1998/08/18
> 02:02:32 $$"
> k1m7pAlign: A call to "assert (semTake(client_lock, WAIT_FOREVER)==OK)"
> failed in ../access.c at 1074
> Please send a copy of the output from "tt (0xfbb510)" and a copy of this
> message
> amoeba Flux, Pixels, Radius, Xcen, Ycen =  26.053  27106 998.846 428.953
> -1112.784
> errlog = 14 messages were discarded
> filename="../taskwd.c" line number=175
> task 10a2c68 seqAux suspended
> 
> Here is the output from tt,
> 
> al>tt 0xfde078
> 176cb4 vxTaskEntry    +60 : sequencer (1096f10, 2710, 1094cd8)
> 17d1b44 sequencer      +a4 : seq_connect (1096f10)
> 17cf9e8 seq_connect    +17c: seq_pvMonitor (1096998, 28)
> 17d4544 seq_pvMonitor  +164: ca_flush_io ()
> 174be38 ca_flush_io    +98 : cac_mux_io (fddf38)
> 1743aa4 cac_mux_io     +24 : cac_clean_iiu_list ()
> 17408cc cac_clean_iiu_list+74 : epicsAssert (176eb64, 416, 176eb70, 0)
> 1737a14 epicsAssert    +14c: taskSuspend ()
> value = 0 = 0x0
> 
> Also I think I will send this out to tech-talk and see if any
> interesting replies come back.
> 
> Thanks,
> Len
> -- 
> ____________________________________________________
> Leonard J. Reder
> Jet Propulsion Laboratory
> Interferometry Systems and Technology Section 383
> Email: [email protected]
> Phone (Voice): 818-354-3639
> Phone (FAX): 818-354-4357
> Mail Address:
> Mail Stop: 171-113
> 4800 Oak Grove Dr.
> Pasadena, CA. 91109
> ---------------------------------------------------

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