Bug: Images are not processed for display on purging the thumbnail cache in the lighttable

[sahlirc]

Issue is actionnable and focused on a single problem

• My issue is not a question but ONE identified usability problem.

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• I have searched my issue

Computer's operating system

Windows 10 or 11

What GPU do you have ?

Nvidia

Ansel version

3462

Type of binary

Self-compiled (GCC or Clang)

What happened?

Going back to the lighttable from the darkroom leads to skull display.

I noticed this on testing version 3562 with openCL disabled by error.

To reproduce go the lighttable with a recently developed image, turn on / off openCL and purge the image with openCL disabled. Set back openCL to enable, purge and it is OK.

Does your problem occur with OpenCL enabled ?

No

Does your problem occur with OpenCL disabled ?

Yes

Previous Ansel version that use to work

0.0.0+3455~g41a36c7541

Output of ansel -d all

Backtrace

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Upload incriminated image files and XMP developments

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[sahlirc]

Pleasse find the log of the Install full of warnings

LogInstall-3462.txt

[sahlirc]

It looks like it has been corrected in version 0.0.0+3468~g87d72007e6

[sahlirc]

On evaluating #824 with version 3475, I noticed that this bug reappeared but in a different form. I guess this is related to my original report, hence my describing how to reproduce.

1. Select an unedited image in the lighttable, and open it in the darkroom;

.

2. Leave it as is, Ansel's basic editing, no additional edit;
3. Go back to the lighttable and purge the thumbnail from the cache;
   The skull appears if OpenCL is enabled:

.
4) Clear darkroom pipeline caches: the skull remains;
5) Purge the thumbnail from cache and it is now correct.

Please note that in my original report, the skull appeared immediately on going back to the lighttable (step 3) with OpenCL disabled. Now it is the opposite regarding OpenCL status, however it does so only on purging. Please note also, that already-edited images may not show this behavior. Note also that if you perform step 3 with OpenCl disabled, then the image is fine on going back to the Lighttable and on purging. Enabling OpenCl and purging thumbnail cache for this same image does not render the skull, hence it is now "immune" to this bug until one deletes the history and repeats the editing process.