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TOPIC: iMac Pro randomly freezes while exporting in Final Cut Pro X

iMac Pro randomly freezes while exporting in Final Cut Pro X 20 Jan 2019 12:48 #98580

  • odinbar
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iMac Pro randomly crash freezes (only mouse moves)

( Event: GPU Reset

Date/Time: Fri Jan 11 21:56:59 2019

Application: Final Cut Pro Tr

Path:

Tailspin: /Library/Logs/DiagnosticReports/gpuRestart2019-01-11-215658.tailspin

GPUSubmission Trace ID: 0

OS Version: Mac OS X Version 10.14.2 (Build 18C54)

Graphics Hardware: Radeon Pro Vega 56

Signature: )



iMac Pro: ( base model with the 8 core and Vega 56 )

Mostly of the time it occurs in while exporting in Final Cut Pro X

I try evrething reinstall Mac os , reset smc , pram

disabel file - vault

turning off all energy - saving options.

turning off all startup protection options

OS X 10.14.2

Final cut pro x 10.4.4

I attach link to logs

drive.google.com/open?id=1vhmifw4_NivA-pWSw-9TriyM-yMYBKRu
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iMac Pro randomly freezes while exporting in Final Cut Pro X 21 Jan 2019 05:28 #98583

  • dgwvideo
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Provide some details of your project, i.e. codec of footage, any effects or plugins used, etc.
Also, what type of hard drive are you exporting to? And, do you have 15 to 20% of free space available on that drive?
Does the system only crash during FCPX exporting, or are you seeing crashes with other applications? If crashes occur only in FCPX, have you tried another project with either the same or different footage, or a completely different library?
Knowing the above will help a lot in determining what the problem is.
Creating history....one edit at a time !
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iMac Pro randomly freezes while exporting in Final Cut Pro X 21 Jan 2019 11:24 #98585

  • joema
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odinbar wrote:
iMac Pro randomly crash freezes (only mouse moves)
( Event: GPU Reset...
...Mostly of the time it occurs in while exporting in Final Cut Pro X...

Your logs show it's a macOS kernel panic. This is usually a macOS, hardware or config problem, not a FCPX software bug. The only exception would be if you have loaded kernel extensions which could crash the OS.

If you are familiar with terminal, you can list all 3rd-party kernel extensions with the below command. If this shows nothing, the fault is likely hardware or macOS.

kextstat | grep -v com.apple

As dgwvideo said, it makes sense to check your hard drive space. Also run Disk Utility First Aid on all drives. You can run Apple Diagnostics on your hardware but these are "lightweight" and will not find many problems. Thus an error-free pass of Apple Diagnostics is not a clean bill of health, but if they find a problem it's usually serious: support.apple.com/en-us/HT202731
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iMac Pro randomly freezes while exporting in Final Cut Pro X 21 Jan 2019 21:21 #98592

  • jolipoli
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I was getting similar GPU Resets and Kernel reports with my iMac Pro while exporting from FCPX. If I recall, I could get some exports to complete, but several Projects would never make it to completion before the freeze would incapacitate the iMac again.

I followed these steps which have totally stopped the freezes. I do realize this could be voodoo that had nothing to do with the resolution, but from dozens of freezes over a few weeks to none since then I do feel comfortable suggesting it.

1. I downloaded the most recent ProVideoFormats.dmg (link updated to version 2.1) from Apple and installed it again. I already had 2.0.7, but installed it again anyway.

2. I shut down my iMac, making sure it was able to completely shut down on its own.

3. I reset the SMC by these instructions for the iMac Pro, which has the T2 Security Chip.

4. I then did a safe boot, holding the left shift key until the progress bar started and then letting the process continue until the login screen finally was visible.

Perhaps step 4 is where the solution resided as it took way way longer than this computer has ever taken to finish, i'm pretty sure it took over an hour. My recollection is that safe boots usually took maybe 2 to 3x the normal booting time of around 2 minutes.

I did log in while in safe boot, and as soon as the loading process finished I shut down the computer again, making sure it did complete before pushing the power button to reboot again into my working mode.

I then exported a video that was in the same library as the freezing exports were occurring, selecting the shortest one I had to see if it could complete, which it did. And then the next longest, which also completed. That was on the 8th of January and I've not yet had to restart the computer from a frozen state.

I'd suggest these are all easy and non-destructive actions. ::grin:: And hopefully you get the same relief as I got.

Ciao. Joel.
Last Edit: 23 Jan 2019 17:01 by jolipoli.
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iMac Pro randomly freezes while exporting in Final Cut Pro X 22 Jan 2019 10:59 #98605

  • odinbar
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given the fact how much information in the web about this problem (kernel panic bridge os , T2 chip may be behind number of crashes ) I tend to believe that this is a software problem and apple will fix it .
and if this is a problem of hrarware maybe apple finally officially recognise it and make recall

I had a replacement iMac Pro under warranty with similar problem , the first iMac locks up and reboots , and the second IMac crash freezes (only mouse moves). in both cases, this happens mostly during exporting in Final Cut Pro X.

I not loaded 3rd-party kernel extensions
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iMac Pro randomly freezes while exporting in Final Cut Pro X 22 Jan 2019 11:16 #98606

  • odinbar
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Thanks for tip of solving the problem ,
glad to hear that this method helped you, I will try it.
I didn't understand why you enter to safe boot, consider you didn't do anything in this mode , not render or changing some settings ?
You just log in and log out ?
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iMac Pro randomly freezes while exporting in Final Cut Pro X 22 Jan 2019 12:40 #98607

  • odinbar
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I tried to export diffrent codecs ( H.264 , Apple Prores 422 proxy , Apple Prores 422 , Apple Prores 422 HQ )
I don’t use external plugins , only build in mixed effects , I export on internal hard drive , free space available 40%, it Mostly of the time it crash while exporting in Final Cut Pro X , but very occasionally it happens without doing anything particularly serious ( watching photo , browsing , watching video ) . I have tried export different projects with approximately similar (footage , effects , codec) in some projects I get totally freezes crash, and in others everything is good ,and that's why I can't catch the logic of these crash
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iMac Pro randomly freezes while exporting in Final Cut Pro X 22 Jan 2019 22:44 #98620

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Thanks for tip of solving the problem ,
glad to hear that this method helped you, I will try it.
I didn't understand why you enter to safe boot, consider you didn't do anything in this mode not render or changing some settings ?
You just log in and log out ?
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iMac Pro randomly freezes while exporting in Final Cut Pro X 23 Jan 2019 02:20 #98624

  • jolipoli
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Interesting! Software Update in System Prefs has a new version of Pro Video Formats, though a standalone installer of 2.1 is not yet available. This came on the heels of the macOS 10.14.3 update.

While I installed this on my MBP, I will be waiting a bit before installing these two updates on my iMac Pro until I finish some exports later in the week or next week.


Update: Pro Video Formats installer now available here:
Last Edit: 23 Jan 2019 16:59 by jolipoli. Reason: installer link provided
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iMac Pro randomly freezes while exporting in Final Cut Pro X 23 Jan 2019 12:46 #98629

  • jolipoli
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odinbar wrote:
I didn't understand why you enter to safe boot, consider you didn't do anything in this mode not render or changing some settings ?
You just log in and log out ?

I ran Safe Boot for the Mac to check its drive, and system, for issues. I could just restart, or use the Disk Utility in the Recovery Partition, but I understand Safe Boot to be a more thorough checking of the drive and the system, and only requires me to hold down the left shift key for several moments before the system does the entire process automatically. I recall FCPX tech support advisors having me run Safe Boot during troubleshooting.

Also, each step when the computer turns off I want to make sure that it can complete the process of shutting down and writing all its files that let the computer know it has properly shut down. Especially when having problems like recurring Kernel freezes/shutdowns, I've found it a good practice to make sure the computer can start up and shut down properly to reduce ongoing issues.

Regarding the T2 and BridgeOS crashing, I had a lot of those with my iMac Pro until I installed Mojave. I do not recall a BridgeOS crash in Console since I installed Mojave.

Good luck!
Last Edit: 23 Jan 2019 12:48 by jolipoli.
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