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Activity Forums DaVinci Resolve RED and display bug, lines and colour artefacts

  • RED and display bug, lines and colour artefacts

    Posted by Robin Erard on March 13, 2014 at 5:12 pm

    Hello,

    I’m grading a feature shot on REDone 4K.
    I’m grading into Davinci 10.1.2, in half resolution.

    Sometimes lines and colour artefacts appears on the image, not only on scope or via UltraStudio 4K, but also on the GUI of Davinci, il looks like de debayering problem (I haven’t Red Rocket). The only solution to solve the problem is to restart the computer… I haven’t tested yet, but I think it could appear in the render also.

    Any idea ?

    Robin

    réalisateur, scénariste, monteur, étalonneur
    http://www.robinerard.ch

    Robin Erard replied 12 years, 1 month ago 3 Members · 8 Replies
  • 8 Replies
  • Mayo Hurajt

    March 13, 2014 at 8:25 pm

    Maybe not enough gpu memory. What is your hw config and sequence settings? how many nodes?

  • Robin Erard

    March 14, 2014 at 8:09 pm

    Hello,

    You think so? My config is :
    New MacPro
    12-core
    64 Ram
    2x D700
    Sonnet Echo Epxress III with Esata card, FirewireCard, SAS card.

    Robin

    réalisateur, scénariste, monteur, étalonneur
    http://www.robinerard.ch

  • Robin Erard

    March 15, 2014 at 8:00 am

    This is the problem in image :

    réalisateur, scénariste, monteur, étalonneur
    http://www.robinerard.ch

  • Nook Kim

    March 18, 2014 at 4:02 am

    I get much worse image than these. Usually though, simple restart of Resolve solves, but still embarrassing in front of clients.

    My System:
    Mac Pro 12 Core 3.46GHz
    32GB
    ATI 5770
    3xQ4000
    Red Rocket
    24TB FC RAID

    Nook Kim
    https://www.digitalfactory.kr

  • Robin Erard

    March 18, 2014 at 6:57 pm

    Hello,

    The problem is that it appears also in renders… Only solution I found is to stay in front of the computer during rendering and relaunch davinci when this kind of bug appears…

    Robin

    réalisateur, scénariste, monteur, étalonneur
    http://www.robinerard.ch

  • Nook Kim

    March 19, 2014 at 12:37 pm

    This may interest you.. Robin.

    I was rendering a job yesterday, but the last clip of a project would not render at all with “your GPU memory is full. try reducing nodes..” message. This didn’t make sense at all since the clip had much less correction than other clips in the job. After failing to render the clip with lots of different approaches, I tried to click off “force full debayer..” option on Deliver page although I had “full debayer” option turned on on the camera raw tab of the config page. To my surprise, it just rendered.

    I’m not sure what caused this, but it’s worth a try if you are in a trouble.

    Hope this helps someday.

    Cheers.

    Nook Kim
    http://www.digitalfactory.kr

  • Robin Erard

    March 20, 2014 at 8:56 am

    Hello,

    Thank’s for your feedback. On my side I always rendered with “force full debayer”, the problem seems then to come from somewhere else. But yesterday I downloaded the last version 10.1.3 and I will re-render the feature today to test if the render problem is still there.

    Best

    Robin

    réalisateur, scénariste, monteur, étalonneur
    http://www.robinerard.ch

  • Robin Erard

    March 20, 2014 at 4:48 pm

    Hello,

    The problem isn’t solved… even with new version of Davinci 10.1.3

    Robin

    réalisateur, scénariste, monteur, étalonneur
    http://www.robinerard.ch

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