I also have exactly this problem.
I'm using debian 12 stable and the debian nvidia drivers.
They are active, they work, nvidia-smi confirms they are used.
Unfortunately at startup I get the GPUDetect error.
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:40,513 | Running DaVinci Resolve v19.0.0b.0043 (Linux/Clang x86_64)
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:40,513 | BMD_BUILD_UUID edb39019-4fd4-4111-953b-43bb3de7affe
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:40,513 | BMD_GIT_COMMIT 9351379ebdb063a0345a3ec168cd162aa09e0c3e
0x7f6ac02c7000 | GPUDetect | INFO | 2024-07-09 09:25:40,514 | Starting GPUDetect 1.2_5-a6
0x7f6ac02c7000 | GPUDetect | ERROR | 2024-07-09 09:25:40,555 | No matched GPUs found.
0x7f6ac02c7000 | Main.GPUConfig | INFO | 2024-07-09 09:25:40,555 | Compute API set to automatic, defaulting to Unknown.
0x7f6ac02c7000 | Main.GPUConfig | INFO | 2024-07-09 09:25:40,555 | Unsupported API Unknown, defaulting to Unknown.
0x7f6ac02c7000 | Main.GPUConfig | ERROR | 2024-07-09 09:25:40,555 | Failed to select a valid compute API.
0x7f6ac02c7000 | Main.GPUConfig | INFO | 2024-07-09 09:25:40,555 | Automatic GPU Selection:
0x7f6ac02c7000 | Main.GPUConfig | ERROR | 2024-07-09 09:25:40,555 | No GPUs selected!
0x7f6ac02c7000 | IO | INFO | 2024-07-09 09:25:40,555 | RED InitializeSdk with library path at /opt/resolve/libs
0x7f6ac02c7000 | IO | INFO | 2024-07-09 09:25:40,594 | R3DAPI 8.5.1-53601 (20240308 Lx64S) R3DSDK 8.5.1-53601 (20240308 Lx64D C3B1) [/opt/resolve/libs/] init is successful
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:40,594 | 0 RED rocket cards available
libDeckLinkAPI.so: cannot open shared object file: No such file or directory
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:40,594 | Decklink model name: '', version: ''
0x7f6ac02c7000 | DVIP | INFO | 2024-07-09 09:25:40,594 | DVIP release/19.0 build 90 (1131135699e00a4ce955a12182d2e8aea368f93c). Release, version 19.0.0.
0x7f6a75290000 | IO | INFO | 2024-07-09 09:25:40,595 | Using DNxHR library v2.7.5.873r
0x7f6a73ef6000 | SyManager | ERROR | 2024-07-09 09:25:40,793 | GetProjectLibraries() - Access token is empty
0x7f6a75a91000 | Fusion | INFO | 2024-07-09 09:25:40,972 | Fusion Build: 8f0c7a58_0039 (Jun 25 2024 10:10:40)
0x7f6a4fbf0000 | Fusion | INFO | 2024-07-09 09:25:40,976 | fusionsystem: = "/opt/resolve/libs/Fusion/libfusionsystem.so"
0x7f6a4fbf0000 | Fusion | INFO | 2024-07-09 09:25:40,980 | FusionLibs: = "/opt/resolve/libs/Fusion/"
0x7f6a4fbf0000 | Fusion | INFO | 2024-07-09 09:25:40,980 | UserData: = "/home/micro/.local/share/DaVinciResolve/Fusion"
0x7f6a4fbf0000 | Fusion | INFO | 2024-07-09 09:25:40,980 | Profiles: = "UserData:Profiles/"
0x7f6ac02c7000 | UI | INFO | 2024-07-09 09:25:40,993 | UI language is set to "en".
0x7f6a43a5c000 | DbCommon2 | INFO | 2024-07-09 09:25:40,994 | Loading dblist file: /home/micro/.local/share/DaVinciResolve/configs/.dblist
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:41,043 | Finished loading Application style sheet
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:41,056 | Show splash screen
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:41,056 | Show splash screen message: Starting Up
0x7f6a75290000 | IO | INFO | 2024-07-09 09:25:41,112 | NVDEC is using upto (1014) MB
0x7f6a75290000 | IO | INFO | 2024-07-09 09:25:41,130 | NVDEC decodes VP9, chroma 4:2:0, bitdepth 8, upto 8192 x 8192
0x7f6a75290000 | IO | INFO | 2024-07-09 09:25:41,137 | Nvidia GPU (0) is initialised as decoding and encoding device.
0x7f6a75290000 | IO | INFO | 2024-07-09 09:25:41,137 | IO codec library load completed in 542 ms.
0x7f6ac02c7000 | UI.GLContext | INFO | 2024-07-09 09:25:41,231 | Creating shared OpenGL context for this thread (1 total).
0x7f6ac02c7000 | UI.GLContext | INFO | 2024-07-09 09:25:41,236 | Initialized OpenGL 4.5 (requested 4.5) on device 'NVIDIA Corporation NVIDIA GeForce GTX 1080/PCIe/SSE2'
0x7f6ac02c7000 | BtCommon | INFO | 2024-07-09 09:25:41,241 | Memory config: reserved=12040M pinned=0M log=0
0x7f6ac02c7000 | BtCommon | INFO | 2024-07-09 09:25:41,241 | Using default pooled memory manager
0x7f6a2b7fd000 | LeManager | INFO | 2024-07-09 09:25:41,241 | 521, 29
0x7f6a2affc000 | BtCommon | INFO | 2024-07-09 09:25:41,241 | BtResourceManager Process Thread Started
0x7f6ac02c7000 | IO | INFO | 2024-07-09 09:25:41,245 | Setting codec capacity (0)
0x7f6ac02c7000 | SyManager | INFO | 2024-07-09 09:25:41,246 | Total: 20, NumDtThreads: 8, NumComms: 0, NumSites: 1
0x7f6ac02c7000 | SyManager | INFO | 2024-07-09 09:25:41,246 | Lookaheads -> playback = 20, record = 20, stop = 1
Sy High Command Handler Thread ----- (140093926895616)
SY high priority cmd handler thread starts: 28BF7000
Sy Low Command Handler Thread ----- (140093918502912)
SY low priority cmd handler thread starts: 283F6000
Sy Data Handler Thread ----- (140093910110208)
SY data handler thread starts: 27BF5000
Gs High Command Handler Thread ----- (140093893324800)
GS high priority cmd handler thread starts: 26BF3000
Gs Low Command Handler Thread ----- (140093884932096)
GS low priority cmd handler thread starts: 263F2000
0x7f6a25bf1000 | GsManager | INFO | 2024-07-09 09:25:41,247 | Gs Processor Thread ----- (140093876539392)
GS processor thread starts: 25BF1000
Dp High Command Handler Thread ----- (140093868146688)
DP high priority cmd handler thread starts: 253F0000
Dp Low Command Handler Thread ----- (140093859753984)
DP low priority cmd handler thread starts: 24BEF000
Dt High Command Handler Thread ----- (140093851361280)
DT high priority cmd handler thhread starts: 243EE000
0x7f6ac02c7000 | DtManager | INFO | 2024-07-09 09:25:41,247 | Using 8 generic IO threads
0x7f6ac02c7000 | DtManager | INFO | 2024-07-09 09:25:41,247 | Total of 16 IO threads (including 8 generic and 8 Red decode threads)
Dt Low Command Handler Thread ----- (140093842968576)
DT low priority cmd handler thread starts: 23BED000
0x7f6a223eb000 | DtManager | INFO | 2024-07-09 09:25:41,249 | Dt Worker Thread Started
0x7f6a233ec000 | DtManager | INFO | 2024-07-09 09:25:41,249 | Dt Data Handler Thread Started
DT data handler thread starts: 233EC000
0x7f6a213ea000 | DtManager | INFO | 2024-07-09 09:25:41,249 | Dt Worker Thread Started
0x7f6a1ffe9000 | DtManager | INFO | 2024-07-09 09:25:41,249 | Dt Worker Thread Started
0x7f6a1f7e8000 | DtManager | INFO | 2024-07-09 09:25:41,249 | Dt Worker Thread Started
0x7f6a1efe7000 | DtManager | INFO | 2024-07-09 09:25:41,249 | Dt Worker Thread Started
0x7f6a1e7e6000 | DtManager | INFO | 2024-07-09 09:25:41,249 | Dt Worker Thread Started
0x7f6a1dfe5000 | DtManager | INFO | 2024-07-09 09:25:41,249 | Dt Worker Thread Started
0x7f6a1d7e4000 | DtManager | INFO | 2024-07-09 09:25:41,250 | Dt Worker Thread Started
0x7f6a1cfe3000 | DtManager | INFO | 2024-07-09 09:25:41,250 | Dt Worker Thread Started
0x7f6a1c7e2000 | DtManager | INFO | 2024-07-09 09:25:41,250 | Dt Worker Thread Started
0x7f6a1bfe1000 | DtManager | INFO | 2024-07-09 09:25:41,250 | Dt Worker Thread Started
0x7f6a1b7e0000 | DtManager | INFO | 2024-07-09 09:25:41,250 | Dt Worker Thread Started
0x7f6a1afdf000 | DtManager | INFO | 2024-07-09 09:25:41,250 | Dt Worker Thread Started
0x7f6a1a7de000 | DtManager | INFO | 2024-07-09 09:25:41,250 | Dt Worker Thread Started
0x7f6a19fdd000 | DtManager | INFO | 2024-07-09 09:25:41,250 | Dt Worker Thread Started
0x7f6a197dc000 | DtManager | INFO | 2024-07-09 09:25:41,250 | Dt Worker Thread Started
0x7f6a18ce6000 | DtManager | INFO | 2024-07-09 09:25:41,250 | Dt Worker Thread Started
0x7f6a184e5000 | DtManager | INFO | 2024-07-09 09:25:41,251 | Dt Worker Thread Started
Ls High Command Handler Thread ----- (140093642653696)
Ls Low Command Handler Thread ----- (140093634260992)
LS low priority cmd handler thread starts: 174E3000
Ls Data Handler Thread ----- (140093625868288)
LS data handler thread starts: 16CE2000
Ls High Command Handler Thread ----- (140093617475584)
Ls Low Command Handler Thread ----- (140093609082880)
LS low priority cmd handler thread starts: 15CE0000
Ls Data Handler Thread ----- (140093600690176)
LS data handler thread starts: 154DF000
Ls High Command Handler Thread ----- (140093592297472)
Ls Low Command Handler Thread ----- (140093583904768)
LS low priority cmd handler thread starts: 144DD000
Ls Data Handler Thread ----- (140093575512064)
Mem Data Transmitter Thread ----- (140093567119360)
Mem data transmitter thread starts: 134DB000
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:41,252 | Show splash screen message: Loading Project Libraries
sh: 1: python2: not found
0x7f6a13cdc000 | GPU.MultiBoardMgr | ERROR | 2024-07-09 09:25:41,254 | Fatal error: "Unsupported GPU Processing Mode", "Please review the GPU drivers and GPU configuration under preferences."
Urgent message: CRITICAL_PREF: Unsupported GPU Processing Mode||Please review the GPU drivers and GPU configuration under preferences.
0x7f6a13cdc000 | IP | ERROR | 2024-07-09 09:25:41,254 | Failed to initialize multi board manager
LS data handler thread starts: 13CDC000
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:41,287 | Show splash screen message: Initializing system components
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:41,288 | Show splash screen message: Loading video codecs
0x7f6a75290000 | IO | INFO | 2024-07-09 09:25:41,291 | IO codec initialization completed in 0 ms.
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:41,291 | Show splash screen message: Loading video plugins
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:41,292 | Show splash screen message: Loading Fairlight Engine
Unable to read VR Path Registry from /home/micro/.config/openvr/openvrpaths.vrpath
0x7f6a10784000 | Fusion | INFO | 2024-07-09 09:25:42,676 | 276 templates scanned in 0.28 secs
0x7f6ac02c7000 | Fairlight | INFO | 2024-07-09 09:25:43,146 | 00.00.01.715(001): Running Fairlight (820be8101871b447914f485065a99946b6a0ec8b)
0x7f6ac02c7000 | FairlightLoader | INFO | 2024-07-09 09:25:43,146 | Fairlight lib initialized in 1853 ms.
0x7f6a75a91000 | UI.GLContext | INFO | 2024-07-09 09:25:43,147 | Creating shared OpenGL context for this thread (2 total).
0x7f6a75a91000 | UI.GLIO | ERROR | 2024-07-09 09:25:43,163 | MainPlayer: Failed to create DVIP context.
0x7f6ac02c7000 | UI.GLIO | ERROR | 2024-07-09 09:25:43,163 | MainPlayer: Failed to initialize worker thread.
0x7f697c1b0000 | UI.GLContext | INFO | 2024-07-09 09:25:43,163 | Creating shared OpenGL context for this thread (3 total).
0x7f697c1b0000 | UI.Scopes | ERROR | 2024-07-09 09:25:43,185 | Failed to create DVIP context.
0x7f6ac02c7000 | UI.Scopes | ERROR | 2024-07-09 09:25:43,185 | Failed to initialize worker thread.
0x7f6ac02c7000 | Main | ERROR | 2024-07-09 09:25:43,185 | Failed to initialize OpenGL texture pool, no valid contexts available.
libScannerAPI.so: cannot open shared object file: No such file or directory
0x7f6ac02c7000 | UI.MenuBar | WARN | 2024-07-09 09:25:43,200 | Main menu action [workspaceLayoutFusion_sub001Default]'s slot is not defined: workspaceLayoutFusion_sub001Default_triggered()
0x7f6ac02c7000 | FusionUtils | WARN | 2024-07-09 09:25:43,208 | Fusion DoAction ACTION_SET_FUSION_HOTKEY ignored, init not completed
0x7f696a9ad000 | SyManager | ERROR | 2024-07-09 09:25:43,211 | Failed to connect to panel socket
0x7f696a9ad000 | SyManager | ERROR | 2024-07-09 09:25:43,211 | DRIVER: open /var/tmp/davinci_socket failed
SY panel handler thread starts: 6A9AD000
0x7f69681aa000 | SyManager | INFO | 2024-07-09 09:25:43,217 | Starting keyboard device monitor thread...
Opening communication to resolve..
*** WARNING *** The program 'resolve' uses the Apple Bonjour compatibility layer of Avahi.
*** WARNING *** Please fix your application to use the native API of Avahi!
DaVinci Panel API Version: 1.0
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:43,226 | Show splash screen message: Loading Project Settings
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:43,789 | Show splash screen message: Loading Media Page
0x7f6ac02c7000 | UI.ActionManager | WARN | 2024-07-09 09:25:43,846 | Action [fairlightImmersiveAmbisonicsMetering] is not a global action
0x7f6ac02c7000 | UI.ActionManager | WARN | 2024-07-09 09:25:43,846 | Action [fairlightImmersiveGenerateImmersiveMaster] is not a valid global action
0x7f6ac02c7000 | UI.ActionManager | WARN | 2024-07-09 09:25:43,846 | Action [fairlightImmersiveRendererSettings] is not a valid global action
0x7f6ac02c7000 | UI.ActionManager | WARN | 2024-07-09 09:25:43,846 | Action [fairlightImmersiveEditADMScene] is not a valid global action
0x7f6ac02c7000 | UI.ActionManager | WARN | 2024-07-09 09:25:43,846 | Action [fairlightImmersiveAmbisonicsMetering] is not a valid global action
0x7f6ac02c7000 | UI.FairlightInterface | WARN | 2024-07-09 09:25:43,961 | SetActionEnabled: Failed to find action [viewTimelineScrollingFixed]'s action connector for handler Id [1]
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:44,143 | Show splash screen message: Loading Cut Page
0x7f6ac02c7000 | UI.SpeedTimeline | INFO | 2024-07-09 09:25:44,243 | Replay UI is enabled.
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:44,452 | Show splash screen message: Loading Edit Page
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:44,700 | Show splash screen message: Loading Fusion Page
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:44,778 | Show splash screen message: Loading Fairlight Page
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:44,944 | Show splash screen message: Loading Color Page
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:46,488 | Show splash screen message: Loading Waveform Monitor
0x7f696a9ad000 | SyManager | INFO | 2024-07-09 09:25:46,580 | Connected to panel socket at 147
0x7f696a9ad000 | SyManager | INFO | 2024-07-09 09:25:46,580 | Connection to the panel server has been re-established
Resolve discovery
****************** Flushing GPU Buffers
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:46,832 | Show splash screen message: Loading Audio Plugins
0x7f6ac02c7000 | SyManager | INFO | 2024-07-09 09:25:46,909 | Collaboration IP Port 0
0x7f6ac02c7000 | DbCommon2 | INFO | 2024-07-09 09:25:46,909 | Sm2SysIdEntry is not supported in local project library (xml) mode
0x7f6ac02c7000 | SyManager | ERROR | 2024-07-09 09:25:46,910 | Failed to parse key (SkipVersion) from JsonObject
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:46,910 | Show splash screen message: Ready
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:46,916 | Close splash screen
0x7f6ac02c7000 | SyManager.Signals | INFO | 2024-07-09 09:25:47,394 | Fusion templates changed
0x7f6ac02c7000 | IO | INFO | 2024-07-09 09:25:55,401 | RED rocket decode has been disabled in the config file
Resolve discovery
0x7f6ac02c7000 | UI | WARN | 2024-07-09 09:25:55,619 | Failed to find value '0' in combo-box
0x7f6ac02c7000 | UI | WARN | 2024-07-09 09:25:55,619 | Failed to find value '0' in combo-box
0x7f6ac02c7000 | UI | WARN | 2024-07-09 09:25:55,619 | Failed to find value '0' in combo-box
Resolve discovery
0x7f6ac02c7000 | Main | INFO | 2024-07-09 09:25:55,650 | Launching main loop
0x7f6ac02c7000 | UI | WARN | 2024-07-09 09:27:23,720 | Failed to find value '0' in combo-box
0x7f6ac02c7000 | UI | WARN | 2024-07-09 09:27:23,721 | Failed to find value '0' in combo-box
0x7f6ac02c7000 | UI | WARN | 2024-07-09 09:27:23,721 | Failed to find value '0' in combo-box
0x7f69681aa000 | SyManager | INFO | 2024-07-09 09:27:23,966 | Exiting keyboard device monitor thread.
0x7f6ac02c7000 | SyManager | INFO | 2024-07-09 09:27:23,967 | Thread release successful.
0x7f6ac02c7000 | DbCommon2 | INFO | 2024-07-09 09:27:24,136 | Sm2SysIdEntry is not supported in local project library (xml) mode
Assertion 'close_nointr(fd) != -EBADF' failed at src/basic/fd-util.c:75, function safe_close(). Aborting.