iMac completley shuts down on render?

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Lee Mackreath

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iMac completley shuts down on render?

PostWed Oct 27, 2021 7:56 am

Morning all

have a Late 2013 iMAC
3.5 GHZ Quad Core i7
16GB 1600 MHz DDR3
Graphics - NVIDIA GeForce GTX 780M 4GB

I am trying to render some 6k pro footage - rendering out at 4k DCI h264. at random points of the render (16 min timeline) the whole Mac just gives up, hangs, goes black and shuts down and then reboots?

seems to be struggling but havent had this problem in the past with other 4k footage from this camera?
any tips/settings to change?
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Reynaud Venter

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Re: iMac completley shuts down on render?

PostWed Oct 27, 2021 9:14 am

Post a link to logs: viewtopic.php?f=21&t=90190#17

Possible a GPU issue as I have seen this type of behaviour when the GPU overheats and the system shuts down. You may be seeing the limits of that GPU.
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Lee Mackreath

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Re: iMac completley shuts down on render?

PostWed Oct 27, 2021 9:33 am

Reynaud Venter wrote:Post a link to logs: viewtopic.php?f=21&t=90190#17

Possible a GPU issue as I have seen this type of behaviour when the GPU overheats and the system shuts down. You may be seeing the limits of that GPU.


thanks - have generated the logs as described - has created a zip file on my desktop - how do i best get people visibility of this?
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Mario Kalogjera

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Re: iMac completley shuts down on render?

PostWed Oct 27, 2021 9:38 am

Happens to me when I apply Optical flow Speed warp on AMD RX 580. That's in Windows.

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Reynaud Venter

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Re: iMac completley shuts down on render?

PostWed Oct 27, 2021 9:44 am

Lee Mackreath wrote:have generated the logs as described - has created a zip file on my desktop - how do i best get people visibility of this?
Post a link to the logs hosted on a file sharing service (e.g. Dropbox or WeTransfer).
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Lee Mackreath

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Re: iMac completley shuts down on render?

PostWed Oct 27, 2021 9:51 am

Reynaud Venter wrote:
Lee Mackreath wrote:have generated the logs as described - has created a zip file on my desktop - how do i best get people visibility of this?
Post a link to the logs hosted on a file sharing service (e.g. Dropbox or WeTransfer).


the file was only 100k so have added here directly
Attachments
DaVinci-Resolve-logs-20211027-103151.tgz
logs
(104.58 KiB) Downloaded 15 times

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