site_archiver@lists.apple.com Delivered-To: pro-apps-dev@lists.apple.com OK, good to hear. Since you mention that you’re waking up the machine, I suppose that could also be an issue. If it goes to sleep during an export, I could definitely see a frame taking longer than 2 minutes to complete. You might want to set the machine not to sleep during export if that’s the case. Darrin

On Sep 26, 2017, at 2:08 AM, Bret Battey <BBattey@dmu.ac.uk> wrote:

Thanks Darrin,

That’s a very helpful clarification — I will start taking a look at what is happening with disk / memory swap in particular.

Actually, the ‘no such plugin’ error occurs well after when the Critical Alert was generated, so I will assume for now that it is just a product of a very confused/hung machine which I was attempting to wake up…

-=Bret

From: Darrin Cardani <dcardani@apple.com <mailto:dcardani@apple.com>> Date: Monday, 25 September 2017 at 17:48 To: Bret Battey <bbattey@dmu.ac.uk <mailto:bbattey@dmu.ac.uk>> Cc: "pro-apps-dev@lists.apple.com <mailto:pro-apps-dev@lists.apple.com>" <pro-apps-dev@lists.apple.com <mailto:pro-apps-dev@lists.apple.com>> Subject: Re: Motion error -12792

The specific error you’re seeing: -12792, is a timeout error. This usually occurs when writing out a frame takes an excessively long time (longer than 2 minutes). Note that this doesn’t mean that rendering the frame takes longer than 2 minutes, just that writing it to disk does. Things that could cause this include the system running low on memory and spending a lot of time swapping, having a really slow disk, and other applications that are also writing to it at the same time, etc. If the disk is mounted over the network and has lost its network connection, that would also do it. So I don’t think that part of your problem has to do with your FxPlug.

The second part is saying that your plug-in wasn’t found by PlugInKit, so it could not load it. Was the error in the console printed at the same time as the export error occurred? I ask because the apps don’t generally try to load plug-ins at any time other than startup, so I would have expected to see that message when the application was launched rather than during an export.

Darrin

...

On Sep 24, 2017, at 6:19 AM, Bret Battey <BBattey@dmu.ac.uk <mailto:BBattey@dmu.ac.uk>> wrote:

I am wondering if anyone here has a list of the Motion Critical Alert error numbers and corresponding message. With my FxPlug, after several hours of rendering it can fail with this message from Motion:

Export Failed The operation could not be completed because an error occurred while exporting (error -12792)

I suspect that this will merely correspond to the following in the Console, but I could always hope that the error code points to some additional/different clue, to what is otherwise probably going to be a very tough bug to track down.

Motion[613:181959] [ops] readyPlugIns failed:Error Domain=PlugInKit Code=4 "no such plugin (uuid not found)" UserInfo={NSLocalizedDescription=no such plugin (uuid not found)} 2017-09-23 11:28:30.236470+0100 Motion[613:181959] [ops] plug-in <PKPlugin: 0x107f23ce0 OptiNelder(1.1) B8AB7AC8-8207-4F5E-B7D0-7BEFB2F72155 3(0) /Volumes/BatData/bretbattey/Library/Developer/Xcode/DerivedData/OptiNelder-cucoecnycarcxldlqejbxhfmlvcu/Build/Products/Debug/OptiNelder.app/Contents/PlugIns/OptiNelder.pluginkit> pre-screen sees activating state

-=Bret

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