615.78.08 (open): external HDMI output stays black with GPU pegged at 99-100% from the first frame under Hyprland (RTX 3050 Ti Laptop); fully resolved by downgrading to 610.57.04

Aperta
  • Qualcosa non va?
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Valutazione

Difficoltà
4/5
Tempo stimato
3-5 giorni
Idoneità per principianti
36/100
Tipo di issue
Bug
Chiarezza
Abbastanza chiara
Stato di attività
Attiva
Stack tecnologico
c, linux
Ambito
backend, operating-systems

Direzione di ricerca

Start by comparing the reported working 610.57.04 and failing 615.78.08 behavior in the open GPU kernel module source; the issue does not identify a file, failing test, or specific subsystem. Reproduce with the listed RTX 3050 Ti, HDMI display, and Hyprland setup, then collect nvidia-bug-report.sh output from the failing state as the report offers. Done means identifying and fixing the driver regression so HDMI displays correctly and the GPU idles.

Scritto dal modello di indicizzazione a partire dal testo della issue.

Descrizione

Describe the bug

On nvidia-open-dkms 615.78.08, the external HDMI monitor stays solid black from the very first frame of a fresh Hyprland session, while the internal laptop panel (eDP) works normally. The GPU immediately pegs to 99-100% utilization and ~87°C, held steady, with no recovery. There are no Xid errors, no NVRM errors, and no DRM/kernel error messages at all — a completely silent failure. The kernel and the compositor both believe the HDMI output is connected, enabled, and running the correct mode; only the physical picture is missing.

To Reproduce
  1. Run nvidia-open-dkms 615.78.08 with an HDMI monitor attached (hybrid Intel+NVIDIA laptop, HDMI wired to the dGPU).
  2. Boot or log into a fresh Hyprland session.
  3. External HDMI monitor shows black immediately; nvidia-smi shows GPU utilization pegged at 99-100%, power draw ~45W, temperature climbing to ~87°C and holding.

Reproduced identically across two independent fresh sessions (one from cold boot, one from a full logout/login) — not a transient glitch.

Expected behavior

External HDMI output displays normally; GPU idles when the desktop is idle.

Bisection
  • 615.78.08: broken every time, as described above.
  • 610.57.04: same kernel, same Hyprland build, no other changes — HDMI works correctly, GPU idles at ~20% util / ~62°C, Hyprland process CPU usage normal (~10%). Downgrading via pacman -U to the cached 610.57.04 package and rebooting fully resolves the issue.
System information
  • GPU: NVIDIA GeForce RTX 3050 Ti Laptop GPU (GA106M, PCI 10de:2523)
  • Driver: nvidia-open-dkms 615.78.08 (broken) / 610.57.04 (working)
  • Kernel: 7.2.8-9-omarchy (Arch-based, x86_64)
  • Compositor: Hyprland 0.56.2 (Wayland)
  • Distro: Omarchy Linux 4.0.5
  • Laptop: ASUS ROG Zephyrus M16 (GU603ZEB), hybrid Intel iGPU + NVIDIA dGPU via supergfxd (Hybrid mode), HDMI wired to the dGPU
  • External monitor: LG TV (SSCR2), 3840x2160@60

Happy to attach nvidia-bug-report.sh output from the broken (615.78.08) state if that would help — let me know and I'll reboot back onto it to capture one.

Filed by Claude Sonnet 5 via Claude Code.

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