0.0285 [opencl_init] opencl disabled via darktable preferences
0.0285 [dt_dlopencl_init] could not find default opencl runtime library 'libOpenCL'
0.0285 [dt_dlopencl_init] could not find default opencl runtime library 'libOpenCL.so'
0.0286 [opencl_init] opencl library 'libOpenCL.so.1' found on your system and loaded, preference 'default path'
0.0286 [opencl_init] 0 platforms detected, error: Unknown OpenCL error
0.0286 [opencl_init] FINALLY: opencl PREFERENCE=OFF is NOT AVAILABLE and NOT ENABLED.
0.4260 [xmp_import] creating tag: darktable|format|orf
0.8631 [dt_dev_load_raw] loading the image. took 0.432 secs (0.482 CPU)
0.9356 [export] creating pixelpipe took 0.070 secs (1.286 CPU)
0.9358 [dev_pixelpipe] took 0.000 secs (0.000 CPU) initing base buffer [export]
0.9453 [dev_pixelpipe] took 0.009 secs (0.091 CPU) [export] processed `rawprepare' on CPU, blended on CPU
0.9571 [dev_pixelpipe] took 0.012 secs (0.094 CPU) [export] processed `temperature' on CPU, blended on CPU
0.9789 [dev_pixelpipe] took 0.022 secs (0.480 CPU) [export] processed `highlights' on CPU, blended on CPU
0.9910 [dev_pixelpipe] took 0.012 secs (0.133 CPU) [export] processed `hotpixels' on CPU, blended on CPU
1.0745 [dev_pixelpipe] took 0.083 secs (1.809 CPU) [export] processed `demosaic' on CPU, blended on CPU
3.0527 [dev_pixelpipe] took 1.978 secs (36.156 CPU) [export] processed `denoiseprofile' on CPU, blended on CPU
3.4594 [dev_pixelpipe] took 0.407 secs (6.574 CPU) [export] processed `lens' on CPU, blended on CPU
3.5557 [dev_pixelpipe] took 0.096 secs (1.762 CPU) [export] processed `ashift' on CPU, blended on CPU
3.6025 [dev_pixelpipe] took 0.047 secs (1.111 CPU) [export] processed `exposure' on CPU, blended on CPU
3.6316 [dev_pixelpipe] took 0.029 secs (0.695 CPU) [export] processed `colorin' on CPU, blended on CPU
3.6589 [dt_ioppr_transform_image_colorspace] IOP_CS_LAB-->IOP_CS_RGB took 0.027 secs (0.646 CPU) [channelmixerrgb]
3.7850 [dev_pixelpipe] took 0.153 secs (3.669 CPU) [export] processed `channelmixerrgb' on CPU, blended on CPU
3.8125 [dt_ioppr_transform_image_colorspace] IOP_CS_RGB-->IOP_CS_LAB took 0.027 secs (0.670 CPU) [atrous]
4.9553 [dev_pixelpipe] took 1.170 secs (25.338 CPU) [export] processed `atrous' on CPU, blended on CPU
4.9835 [dt_ioppr_transform_image_colorspace] IOP_CS_LAB-->IOP_CS_RGB took 0.028 secs (0.665 CPU) [colorbalancergb]
5.5530 [dev_pixelpipe] took 0.598 secs (14.237 CPU) [export] processed `colorbalancergb' on CPU, blended on CPU
5.5852 [dev_pixelpipe] took 0.032 secs (0.742 CPU) [export] processed `rgblevels' on CPU, blended on CPU
5.7674 [dev_pixelpipe] took 0.182 secs (4.367 CPU) [export] processed `sigmoid' on CPU, blended on CPU
5.7953 [dt_ioppr_transform_image_colorspace] IOP_CS_RGB-->IOP_CS_LAB took 0.028 secs (0.671 CPU) [bilat]
6.3528 [dev_pixelpipe] took 0.585 secs (8.274 CPU) [export] processed `bilat' on CPU, blended on CPU
6.4099 [dev_pixelpipe] took 0.057 secs (1.352 CPU) [export] processed `colorout' on CPU, blended on CPU
6.4534 [resample_plain] took 0.043 secs (1.051 CPU) 1:1 copy/crop of 8065x6046 pixels
6.4535 [dev_pixelpipe] took 0.044 secs (1.052 CPU) [export] processed `finalscale' on CPU, blended on CPU
6.4535 [dev_process_export] pixel pipeline processing took 5.518 secs (107.968 CPU)
6.9745 [export_job] exported to `test.jpg'
Apparently you need to do sudo apt-get install --install-recommends linux-generic-hwe-24.04, then reboot, make sure you select the kernel in GRUB, then you can try hwe-support-status --verbose. I’m not an ubuntu user, so…