ID 249921 - Nuke10.5v1 will freeze with monitor output enabled after a few minutes of usage

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Problem summary
Nuke10.5v1 will freeze with monitor output enabled after a few minutes of usage

Customer reported version
nuke.10.5v1

Customer reported platform
n_a_mac

Steps to reproduce
1. Open NukeX 10.5v1
2. Read in footage (dpx sequence)
3. Set monitor output device to Decklink 4K extreme
4. Add grade node and change values, add text node, add roto and draw shape, add checkerboard and merge to image, add colour correct and try to change saturation using the colour wheel option
Result: crash after 5 minutes. System stayed locked and there was no crash log to send.

Workaround
Unknown. 

Reproduced by support
Reproduced with: Blackmagic Decklink 4K Extreme (driver version 10.7) on RHEL 6.7, Nuke10.5v1

Tested in 10.0v4 and performed the above repro steps over 15 mins and no crash.

Expected behaviour
No freeze to occur

Actual behaviour
Program became non responsive
 

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