[daip] all clear
Deborah Haarsma
dhaarsma at calvin.edu
Tue Jul 22 15:42:04 EDT 2003
Eric,
Thanks for the explanation, it's helpful to understand
what happened and where to look next time.
Debbie
On Tue, 22 Jul 2003, Eric Greisen wrote:
> Deborah Haarsma writes:
> > Eric and/or daip,
> >
> > We tried re-booting our Linux machines, and the problem with aips
> > tasks not starting has disappeared. (Usually in Linux you like to know
> > what went wrong and why, but sometimes the Bill Gates way turns out to
> > work. :-/)
> >
>
> The AIPS start-up does depend on a number of things going right.
> Mainly this would be the TGET/TPUT file, the task communication file,
> and the system parameter file. In particular, if the last one were
> locked by some rogue process, then tasks would appear not to start.
> They should show up in ps however but hang waiting for that file and
> aips would eventually conclude that they had not started. You could
> look in /tmp for files of 0 bytes like /tmp/COMB1.12345 where 12345 is
> the process ID number under which COMB1 should be running. Maybe
> there was a lock on /tmp. But in these cases aips would get an error
> in ZACTV9 and not reach the timing out portion of the code.
>
> Glad a re-boot solved it. Linux does get in knots sometimes and this
> is the cleanest solution.
>
> Cheers,
>
> Eric Greisen
>
--
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Dr. Deborah B. Haarsma
office: SB 175
mail: Physics & Astronomy Department
Calvin College
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email: dhaarsma at calvin.edu
web: http://www.calvin.edu/~dhaarsma
phone: 616-526-6340
fax: 616-526-6501
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