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darktable 5.0.0 crashes when tethering with a Sony Alpha 6400 ( or 6000) #18142

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erftrunner opened this issue Jan 3, 2025 · 2 comments
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@erftrunner
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erftrunner commented Jan 3, 2025

Describe the bug

Darktable crashes when going into tethering with an attached Sony Alpha 6400.
Mounting and unmounting the camera always works. Camera is always recognized by darktable when attached to USB.
Tethering with gphoto2 via command line (as described in the manual) works fine.
Weirdly, in rare cases it works! Haven't found a pattern for this, yet.

(Same issue with Sony Alpha 6000.)

Steps to reproduce

  1. attach the Sony Alpha 6400 (or 6000) via USB.
  2. start darktable, connect/mount camera.
  3. choose "tethered shot"

Same error when first starting darktable and connect the camera to USB afterwards.

Expected behavior

darktable should not crash on tethering ;-)

Logfile | Screenshot | Screencast

camctl.log

Commit

No response

Where did you obtain darktable from?

distro packaging

darktable version

5.0.0

What OS are you using?

Linux

What is the version of your OS?

Linux Mint 21.3

Describe your system?

No response

Are you using OpenCL GPU in darktable?

None

If yes, what is the GPU card and driver?

No response

Please provide additional context if applicable. You can attach files too, but might need to rename to .txt or .zip

No response

@erftrunner erftrunner changed the title darktable 5.0.0 crahes when tethering with a Sony Alpha 6400 ( or 6000) darktable 5.0.0 crashes when tethering with a Sony Alpha 6400 ( or 6000) Jan 4, 2025
@rabauke
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rabauke commented Jan 6, 2025

I observed similar issues with a Sony Alpha 6300 camera. Darktable 5.0 recognizes my camera. I am able to take exactly one picture before the camera connection is lost, i.e., one cannot take a series of images. Furthermore, as soon as my camera is connected to darktable, darktable is consuming 100% of all available CPU cores.

The described behavior has been observed under Ubuntu Linux 24.4 and is reproducible, though I had no time to investigate this further. I compiled darktable from git master branch end of 2024 (after dt 5.0 release).

@erftrunner
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erftrunner commented Jan 7, 2025

Yesterday I played around with entangle, which to my knowledge also uses gphoto2. Alpha 6400/6000 work stable. So I suspect that it's rather DT and its handling of the data, errors or events of gphoto2.

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