After upgrading to Ubuntu 22.04.1, OpenCL does not work any longer. It
worked on same machine with Ubuntu 20.04. I have compiled Darktable
4.0.0 from source.
Any clues?
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 22.04.1 LTS
Release: 22.04
Codename: jammy
$ uname -a
Linux heimdall 5.15.0-46-generic #49-Ubuntu SMP Thu Aug 4 18:03:25 UTC
2022 x86_64 x86_64 x86_64 GNU/Linux
$ nvidia-smi
Tue Aug 16 20:55:49 2022
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 515.65.01 Driver Version: 515.65.01 CUDA Version:
11.7 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile
Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util
Compute M. |
| | |
MIG M. |
|===============================+======================+======================|
| 0 NVIDIA T600 Off | 00000000:08:00.0 On |
N/A |
| 39% 50C P8 N/A / 41W | 1506MiB / 4096MiB | 1%
Default |
| | |
N/A |
+-------------------------------+----------------------+----------------------+
$ echo $XDG_SESSION_TYPE
x11
$ /opt/darktable/bin/darktable-cltest
[opencl_init] opencl related configuration options:
[opencl_init] opencl: ON
[opencl_init] opencl_scheduling_profile: 'default'
[opencl_init] opencl_library: 'default path'
[opencl_init] opencl_device_priority: '*/!0,*/*/*/!0,*'
[opencl_init] opencl_mandatory_timeout: 200
[opencl_init] opencl_synch_cache: active module
[opencl_init] no working opencl library found. Continue with opencl disabled
[opencl_init] FINALLY: opencl is NOT AVAILABLE on this system.
[opencl_init] initial status of opencl enabled flag is OFF.
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