Weird File Corruption

Brad Trent

• July 11, 2020 00:10

Anyone see this with C1 20??? I just started using it today and the first tests were kicking out corrupt files that looked like this...

Computer Info:

iMac (Retina 5K, 27-inch, 2019)

OS 10.15.5

3.6 GHz 8-Core Intel Core i9

128 GB 2667 MHz DDR4

Radeon Pro Vega 48 8 GB

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  OddS.

  • July 11, 2020 06:05

  > Radeon Pro Vega 48 8 GB

  Disabling C1 hardware acceleration may be a first checkpoint.

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  Brad Trent

  • July 11, 2020 13:14

  I’ll try killing hardware acceleration, but why is it hardware acceleration usually the culprit?!! Does hardware acceleration ever work?!! It seems that on any app that has a hardware acceleration option, I typically have to turn it off because of problems! Even on the newest, fastest, most tricked-out computers, hardware acceleration seems to be a dog that won’t hunt! 😡

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  John Trautschold

  • December 14, 2020 04:09

  I've been seeing this a lot lately. It mainly started after I upgraded to MacOS 11 (Big Sur) while still using C1-20. Not only did I see this corruption in the Viewer but I also noticed that, somehow, C1 was actually corrupting the original image in the file! I halted all work until C1-21 came out and I see it doing the same thing.

  Now, here's what's weird. I keep all of my photos on external drives. The TIFF file corruption seems to occur on my 8 TB external drive. I've got backups on a 2nd external drive which has 5 TBs of storage. Both of these drives (along with two others) are on a Firewire bus. I haven't (at least not yet) seen any corruption when using the 5 TB drive.

  Weird??? The 8 TB drive works fine for everything else.

  John

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