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Questions and Answers : Macintosh : 0% task progress

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Profile John Gillett
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Message 1142626 - Posted: 19 Aug 2011, 16:08:01 UTC

A few months ago my PPC G5 Mac started occasionally showing tasks with 0% progress. Right now the following...

Progress Status Elapsed Remaining
0.000% Running 4:56:53 ---

Elapsed is increasing, but both Progress and Remaining stay as shown. I have seen tasks that go above 20 hours with no change in Progress and Remaining. Waste of time, so I abort the task, which then pops up with a Computation Error. It's getting more frequent. Been doing Seti for over 12 years and this is the first time I've seen this problem.

Running 6.12.33, and 10.5.8 on the Mac. My PC does not have this problem.

Thoughts appreciated.
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Message 1142915 - Posted: 20 Aug 2011, 2:10:13 UTC - in response to Message 1142626.

Next time you see the symptom, have a look in Activity Monitor to see whether or not the SETI process is actually running.

Rather than aborting the task, maybe try quitting & relaunching BOINC: that often gets things unstuck.

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Profile John Gillett
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Message 1143074 - Posted: 20 Aug 2011, 15:22:52 UTC - in response to Message 1142915.

Got up to a failure this morning - one task running fine, the other as described earlier. Activity showed only one setiathome process running. Quit BOINC, but the one process kept running. Quit that, then restarted BOINC. Now have two processes running. The 'failing' task was reset to zero and is now behaving properly.

So - is this a known problem, or do I have something else going on?

Thanks for the restart tip.
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Profile Gary CharpentierProject donor
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Message 1143192 - Posted: 20 Aug 2011, 21:31:19 UTC - in response to Message 1143074.

Got up to a failure this morning - one task running fine, the other as described earlier. Activity showed only one setiathome process running. Quit BOINC, but the one process kept running. Quit that, then restarted BOINC. Now have two processes running. The 'failing' task was reset to zero and is now behaving properly.

So - is this a known problem, or do I have something else going on?

Thanks for the restart tip.

Happens once in a blue moon on my boxes. Not sure what causes it.

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Message 1144118 - Posted: 23 Aug 2011, 0:04:46 UTC - in response to Message 1143074.
Last modified: 23 Aug 2011, 0:12:04 UTC

So - is this a known problem, or do I have something else going on?

I don't know why it happens on Power Macintosh [AltiVec] (PowerPC G5 ?)

But on Windows + some of AMD CPUs + standard/stock app this is a known problem.
It happens sometimes at the start/restart of task (= new start of SETI stock app) during "Optimal function choice".

If you restart BOINC or just stop the computation ("Snooze")(which exits the SETI app) and then resume the computation
the SETI stock app may be able this time to pass this starting phase ("Optimal function choice" which lasts a few seconds)
and go further on its real business.


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Questions and Answers : Macintosh : 0% task progress

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