`RADV_DEBUG`

205 threads 68 games 579 mentions 2018-01 to 2026-10

Debug switches for Mesa's RADV Vulkan driver on AMD, such as RADV_DEBUG=nohiz or zerovram, used to work around driver bugs.

Values people posted

RADV_DEBUG=nodcc62

RADV_DEBUG=nohiz52

RADV_DEBUG=llvm48

RADV_DEBUG=hang46

RADV_DEBUG=zerovram39

RADV_DEBUG=syncshaders33

RADV_DEBUG28

RADV_DEBUG=nodcc %command%18

RADV_DEBUG=llvm %command%15

RADV_DEBUG=zerovram %command%15

Games discussing it

Threads

Crimson Desert protonopen15 mentions

Red Dead Redemption 2 protonopen14 mentions

Grand Theft Auto V protonopen10 mentions

Warhammer: Chaosbane protonopen9 mentions

The Talos Principle 2 protonclosed9 mentions

Apex Legends protonopen9 mentions

2026-10-27 · Planet Zoo 2
RADV_DEBUG=hang
2026-10-26 · Cyberpunk 2077 (2.5 Edgerunners 2): vkd3d_queue deadlocks inside winev
RADV_DEBUG=syncshaders
2026-10-25 · [BUG] SteamVR Steam Deck -> Steam Frame impossible
RADV_DEBUG
2026-10-21 · Control Resonant crashing, causing GPU reset with 7900XTX
RADV_DEBUG=syncshaders VKD3D_CONFIG=single_queue,force_host_cached,breadcrumbs PROTON_LOG=1 PROTON_ENABLE_WAYLAND=1 PROTON_ENABLE_HDR=1 PROTON_FSR4_UPGRADE=1 WINEDLLOVERRIDES="dxgi,winmm,dwmapi=n,b" m
2026-10-17 · Control Resonant crashing, causing GPU reset with 7900XTX
RADV_DEBUG=syncshaders VKD3D_CONFIG=breadcrumbs VKD3D_SHADER_DUMP_PATH=/run/media/valmar/DataSSD/Vkd3dProtonShaderDumps PROTON_LOG=1 VKD3D_LOG_FILE=vkd3d-proton.log VKD3D_CONFIG=dxr12,single_queue,for
2026-10-14 · Resident Evil Requiem: SQC(data) GPUVM permission fault in vkd3d_queue
RADV_DEBUG=hang
2026-10-13 · Spurious sync issues with test_read_subresource_rt/test_planar_video_f
RADV_DEBUG=fullsync
2026-10-12 · Enshrouded
RADV_DEBUG=zerovram
2026-10-07 · Path of Exile 2 – GPU page fault in vkd3d_queue → full GPU reset on RX
RADV_DEBUG=hang
2026-10-06 · GTA V Enhanced with NaturalVision Enhanced crashes while compiling a c
RADV_DEBUG=llvm

RADV_DEBUG