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Screen Flicker When Using Slide Bars in Develop Module

Sep 10, 2012 8:16 AM

Tags: #lightroom_4 #lr4 #high_cpu_usage #screen_flicker #lightroom-_ #4.2rc

Image below shows 6 core usage during edit of an image using LR 4.2RC. Image import was running in the background.  This only occurs when I use the develop module sliders (it doesn't matter which slider). 

error-lr4.2rc-flicker.jpg

 
Replies
  • Currently Being Moderated
    Sep 10, 2012 8:37 AM   in reply to jk1955

    Do you have <Automatically write changes into XMP> checked in the Metadata tab of Catalog Settings?

    Are the images that you are editing when this happens Raw images or are they TIFFs, PSDs?

     

    I observe this behavior with TIffs and PSDs when <automatically write changes into XMP> is checked. It seems that in that case Lr is reloading the image with every change done in the Develop Module and that reloading of the image causes a short flicker of the screen, i.e. the image disappears and reappears.

     

    I have observed this behavior since Lr 3.

    It disappears when you uncheck  <Automatically write changes into XMP>.

     
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  • Currently Being Moderated
    Sep 10, 2012 8:44 AM   in reply to jk1955

    I have never observed this behavior with my NEFs.

     
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  • Victoria Bampton
    5,302 posts
    Apr 1, 2008
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    Sep 20, 2012 2:03 AM   in reply to jk1955

    Your computer maxing out all cores while working with Develop is entirely normal.  Flickering has been reported with TIFF files coming back from PS when automatically write to xmp is turned on.  I don't remember any other reports of it happening to raw files, so there's could be more to investigate here but it doesn't appear to be a widespread issue.

     

    I'd guess you may be right about the graphics interaction, so a couple more questions for you:

     

    1.  You have 2 monitors attached - does it happen with only 1?

     

    2.  Have you tried updating your video drivers - or rolling back to an earlier version?

     

    3.  Which graphics card?

     

    4.  Which bit of the screen is flickering?

     
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  • Victoria Bampton
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    Sep 21, 2012 1:01 AM   in reply to jk1955

    Sorry, I meant with only with one monitor connected, not just which screen the window's on.

     

    And is it the whole LR window, or just the image?

     

    The flickering isn't there all the time?  Do you know what triggers it?

     
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  • Victoria Bampton
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    Sep 23, 2012 9:58 AM   in reply to jk1955
     
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  • Victoria Bampton
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    Sep 24, 2012 3:08 AM   in reply to jk1955

    Ok, that helps!  Further down that same thread, Linwood found a video card setting which seems to solve it (so far at least!!)  Would mind trying that to see if it helps you too please?  It could be just the clue we need.

     
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  • Victoria Bampton
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    Sep 25, 2012 10:45 AM   in reply to jk1955

    Doh, I hoped we were on to something there!

     
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  • Victoria Bampton
    5,302 posts
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    Sep 29, 2012 12:22 PM   in reply to jk1955

    That's good to hear JK.  Hopefully they'll continue working on them to improve it further.

     
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