[viewer] crash after turning RT shadows on #874

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opened 2026-10-19 17:21:10 +00:00 by slipstream-reports · 0 comments

slipstream-reports commented 2026-10-19 17:21:10 +00:00

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Source: in-viewer report (Help > Report Bug)

Reporter (avatar name as given; not verified):

(not given)

System

Version: 1.4.0.1
Channel: Slipstream Beta
OS: Microsoft Windows 10 64-bit (Build 19045.6456)
CPU: AMD Ryzen 7 9700X 8-Core Processor (3799.99 MHz)
Memory: 32314 MB
GPU: AMD Radeon RX 9070 XT
GPU driver: 32.0.31041.1004
Vulkan: 1.4.349; ray tracing: enabled
Window: 2560x1377
Display: swapchain 2560x1377 BGRA8/sRGB fifo x3 (41 MB); monitors 1, window on 2560x1440@144Hz scale 1.00, HDR off
VRAM: n/a (no Vulkan world renderer)
Host memory: host-visible 133 MB / 20 allocs [cull 0/8 rt-aux 0/1 rt-mask 1/2 staging 129/2 readback 0/1 part 2/4 ui 1/2] device-only 247 MB | /s: alloc hv 0.0 (0 MB) dev 0.0 (0 MB), free hv 0.0 (0 MB) dev 0.0 (0
Pipeline compiles: async 271/195 0.0s +71MB t7 c7 ob0: mPreMvRigPipe[i]/PrepassMotionFrag 0.0s 1M c7; mDeferSplitPipe (DeferReflectHalf) (DeferReflectHalf) 0.0s 1M c7; mGbufTerrPipe[nohex]/FragGbufTerr 0.0s 1M c7; mPart
Settings:
  RenderDeferredSSAO = 1
  RenderDepthOfField = true
  RenderFPSLimit = 60
  RenderFSAAType = 2
  RenderFarClip = 128
  RenderHiDPI = 0
  RenderMaxTextureResolution = 2048
  RenderMaxVideoMemoryMB = 0
  RenderMirrors = 0
  RenderQualityPerformance = 4
  RenderReflectionProbeCount = 128
  RenderReflectionProbeDetail = 1
  RenderReflectionProbeLevel = 2
  RenderReflectionProbeResolution = 128
  RenderScreenSpaceReflections = true
  RenderShadowDetail = 2
  RenderTransparentWater = 1
  RenderVKAOStandard = 1
  RenderVKAlphaShadingRate = 0
  RenderVKFramePacing = 1
  RenderVKGodRays = 0
  RenderVKNoVsyncPresentMode = 0
  RenderVKOpaqueShadingRate = 0
  RenderVKPipelineCompileBudgetMB = 0
  RenderVKPipelineCompileThreads = 0
  RenderVKProjectorShadows = 1
  RenderVKRayTracing = 1
  RenderVKRenderScale = 1
  RenderVKShadowResolution = 1024
  RenderVKSunShadows = 2
  RenderVKTAA = 0
  RenderVKTextureCompression = 1
  RenderVKUpscaler = 1
  RenderVSyncEnable = 1
  RenderVolumeLODFactor = 1.5
  SlipstreamRenderTonemapType = 1
  UIScaleFactor = 1.5

Description

I expect silky smooth performance nad got bamboozled

Steps to reproduce

not given

Log excerpt

Full scrubbed excerpt: slipstream-log-excerpt.txt

Last 40 lines

VRAM by category (MB): tex 1559 geom 179 scene 71 cull 57 targets 676 probes 107 shadow 202 mirror 0 rt-as 533 rt-aux 94 rt-mask 181 staging 1 readback 0 part 3 ui 162 upscale 267 texenc 88 rig 114
Ray tracing: enabled
Texture pools: on: 21 slab classes 2-2048 KiB (4 MiB blocks); memory type 0, granularity 2048 KiB
Texture pool blocks: 94 (1266 MB), 2861 images 1159 MB live (92% occupied), slack 106 MB
Texture pool compaction: reclaimable 16 MB, 1 empty blocks (6 MB); moved 0 images / 0 MB, 0 blocks evacuated, 0 empty released, 0 busy skips
Async compute queue: no; frames presented: 14900
Viewer: Slipstream Beta 1.4.0.1 (Release), startup state STATE_STARTED
Session: 257 s since start, frame 12661
Instance: viewer 1, log C:\Users\[user]\AppData\Roaming\SlipstreamViewer\logs\Slipstream.log
Window: focused, not minimized
Settings: RenderVKRayTracing=1 RenderReflectionProbeDetail=1 RenderShadowDetail=2 RenderVKSunShadows=2 RenderVKProjectorShadows=1 RenderVKUpscaler=1 RenderVKRenderScale=1 RenderVKTAA=0 RenderVKAsyncComputeQueue=0 RenderVKAsyncCompute=1 RenderVKAsyncDeferredLighting=-1 RenderVKFramePipelining=0 RenderVKGodRays=0 RenderVKMirrors=1 RenderVKTextureCompression=1 RenderVKTexBudgetMB=0 RenderFarClip=128 
Recently recorded GPU passes (oldest first; recorded, not necessarily executed): stage3 g_pass2 p_taa fsrInputs fsrPrepareInputs fsrLumaPyramid fsrShadingPyramid fsrShadingChange fsrPrepareReactivity fsrLumaInstability fsrAccumulate fsrRcas p_fsr stage4 p_dof p_prelude p_bloom stage5 g_to_glow stage6 p_snap_depthup g_sel g_overlay c_hud_cull g_hud stage7 g_passes stage8 p_probe f_ui f_ui_done f_pr
Effects (FX): none running
--- device fault report / GPU breadcrumbs (where the GPU was) ---
[vktest] DEVICE_LOST report (VK_EXT_device_fault enabled, breadcrumbs AMD markers)
[vktest] DEVICE_LOST breadcrumbs (AMD markers, graphics queue): last started #1476758 c_rtmask, last finished #1476757 g_term_tri (latest recorded #1476954)
[vktest] images freed in the last 4 frames (newest first):
[vktest]     freed image '-' 1x1 fmt=95 [0x24d500000, 0x24d500100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899
[vktest]     freed image '-' 1x1 fmt=95 [0x24d480000, 0x24d480100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899
[vktest]     freed image '-' 1x1 fmt=97 [0x24d400000, 0x24d400100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899
[vktest]     freed image '-' 1x1 fmt=100 [0x24d380000, 0x24d380100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899
[vktest]     freed image '-' 1x1 fmt=95 [0x24d300000, 0x24d300100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899
[vktest]     freed image '-' 1x1 x4 fmt=97 [0x24d280000, 0x24d280400) size=1024 created frame 2241 by SlipstreamViewer.exe+0x20ed2c7 (now 14901) FREED frame 14899
[vktest]     freed image '-' 1x1 fmt=97 [0x24d200000, 0x24d200100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899
[vktest]     freed image '-' 1x1 fmt=97 [0x24d180000, 0x24d180100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899
[vktest]     freed image '-' 1x1 x4 fmt=97 [0x24d100000, 0x24d100400) size=1024 created frame 2241 by SlipstreamViewer.exe+0x20ed2c7 (now 14901) FREED frame 14899
[vktest]     freed image '-' 1x1 fmt=97 [0x24d080000, 0x24d080100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899
[vktest]     freed image '-' 1x1 fmt=37 [0x24d000000, 0x24d000100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899
[vktest]     freed image '-' 1x1 fmt=97 [0x24d600000, 0x24d600100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899
[vktest]     freed image '-' 1x1 fmt=97 [0x24d580000, 0x24d580100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899
[vktest]     freed image '-' 1x1 fmt=100 [0x24cf80000, 0x24cf80100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899
[vktest]     freed image '-' 1x1 fmt=95 [0x24cf00000, 0x24cf00100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899
[vktest]     freed image '-' 1x1 x4 fmt=37 [0x24ce80000, 0x24ce80400) size=1024 created frame 2241 by SlipstreamViewer.exe+0x20ed2c7 (now 14901) FREED frame 14899
[vktest]     freed image '-' 1x1 fmt=37 [0x217f80000, 0x217f80100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899
[vktest] DEVICE_LOST fault: GPU fault
[vktest]   address type=1 addr=0x4a8e4e000 precision=4096
[vktest]     no live/recently-freed buffer, AS or image contains it; neighbours:
[vktest]     below buffer '-' usage=0x200a2 [0x357c00000, 0x35b5cb230) size=60600880 created frame 5903 by SlipstreamViewer.exe+0x202868a (now 14901)
[vktest]     (registry: 229 live buffers, 7382 AS, 9292 recent frees, 3096 live images (3095 with a VA), 4096 recent image frees, frame 14901)
==================== END GRAPHICS DEVICE LOST ====================

---

_{Filed by the Slipstream report relay. The reporter's identity is not verified; system details are as sent by the reporter.}

**Source:** in-viewer report (Help > Report Bug) **Reporter** (avatar name as given; not verified): ~~~text (not given) ~~~ ### System ~~~text Version: 1.4.0.1 Channel: Slipstream Beta OS: Microsoft Windows 10 64-bit (Build 19045.6456) CPU: AMD Ryzen 7 9700X 8-Core Processor (3799.99 MHz) Memory: 32314 MB GPU: AMD Radeon RX 9070 XT GPU driver: 32.0.31041.1004 Vulkan: 1.4.349; ray tracing: enabled Window: 2560x1377 Display: swapchain 2560x1377 BGRA8/sRGB fifo x3 (41 MB); monitors 1, window on 2560x1440@144Hz scale 1.00, HDR off VRAM: n/a (no Vulkan world renderer) Host memory: host-visible 133 MB / 20 allocs [cull 0/8 rt-aux 0/1 rt-mask 1/2 staging 129/2 readback 0/1 part 2/4 ui 1/2] device-only 247 MB | /s: alloc hv 0.0 (0 MB) dev 0.0 (0 MB), free hv 0.0 (0 MB) dev 0.0 (0 Pipeline compiles: async 271/195 0.0s +71MB t7 c7 ob0: mPreMvRigPipe[i]/PrepassMotionFrag 0.0s 1M c7; mDeferSplitPipe (DeferReflectHalf) (DeferReflectHalf) 0.0s 1M c7; mGbufTerrPipe[nohex]/FragGbufTerr 0.0s 1M c7; mPart Settings: RenderDeferredSSAO = 1 RenderDepthOfField = true RenderFPSLimit = 60 RenderFSAAType = 2 RenderFarClip = 128 RenderHiDPI = 0 RenderMaxTextureResolution = 2048 RenderMaxVideoMemoryMB = 0 RenderMirrors = 0 RenderQualityPerformance = 4 RenderReflectionProbeCount = 128 RenderReflectionProbeDetail = 1 RenderReflectionProbeLevel = 2 RenderReflectionProbeResolution = 128 RenderScreenSpaceReflections = true RenderShadowDetail = 2 RenderTransparentWater = 1 RenderVKAOStandard = 1 RenderVKAlphaShadingRate = 0 RenderVKFramePacing = 1 RenderVKGodRays = 0 RenderVKNoVsyncPresentMode = 0 RenderVKOpaqueShadingRate = 0 RenderVKPipelineCompileBudgetMB = 0 RenderVKPipelineCompileThreads = 0 RenderVKProjectorShadows = 1 RenderVKRayTracing = 1 RenderVKRenderScale = 1 RenderVKShadowResolution = 1024 RenderVKSunShadows = 2 RenderVKTAA = 0 RenderVKTextureCompression = 1 RenderVKUpscaler = 1 RenderVSyncEnable = 1 RenderVolumeLODFactor = 1.5 SlipstreamRenderTonemapType = 1 UIScaleFactor = 1.5 ~~~ ### Description ~~~text I expect silky smooth performance nad got bamboozled ~~~ ### Steps to reproduce _not given_ ### Log excerpt Full scrubbed excerpt: [slipstream-log-excerpt.txt](https://git.slipstreamviewer.org/attachments/a7a28f75-e911-4cd8-a157-63186f4d1aff) <details><summary>Last 40 lines</summary> ~~~log VRAM by category (MB): tex 1559 geom 179 scene 71 cull 57 targets 676 probes 107 shadow 202 mirror 0 rt-as 533 rt-aux 94 rt-mask 181 staging 1 readback 0 part 3 ui 162 upscale 267 texenc 88 rig 114 Ray tracing: enabled Texture pools: on: 21 slab classes 2-2048 KiB (4 MiB blocks); memory type 0, granularity 2048 KiB Texture pool blocks: 94 (1266 MB), 2861 images 1159 MB live (92% occupied), slack 106 MB Texture pool compaction: reclaimable 16 MB, 1 empty blocks (6 MB); moved 0 images / 0 MB, 0 blocks evacuated, 0 empty released, 0 busy skips Async compute queue: no; frames presented: 14900 Viewer: Slipstream Beta 1.4.0.1 (Release), startup state STATE_STARTED Session: 257 s since start, frame 12661 Instance: viewer 1, log C:\Users\[user]\AppData\Roaming\SlipstreamViewer\logs\Slipstream.log Window: focused, not minimized Settings: RenderVKRayTracing=1 RenderReflectionProbeDetail=1 RenderShadowDetail=2 RenderVKSunShadows=2 RenderVKProjectorShadows=1 RenderVKUpscaler=1 RenderVKRenderScale=1 RenderVKTAA=0 RenderVKAsyncComputeQueue=0 RenderVKAsyncCompute=1 RenderVKAsyncDeferredLighting=-1 RenderVKFramePipelining=0 RenderVKGodRays=0 RenderVKMirrors=1 RenderVKTextureCompression=1 RenderVKTexBudgetMB=0 RenderFarClip=128 Recently recorded GPU passes (oldest first; recorded, not necessarily executed): stage3 g_pass2 p_taa fsrInputs fsrPrepareInputs fsrLumaPyramid fsrShadingPyramid fsrShadingChange fsrPrepareReactivity fsrLumaInstability fsrAccumulate fsrRcas p_fsr stage4 p_dof p_prelude p_bloom stage5 g_to_glow stage6 p_snap_depthup g_sel g_overlay c_hud_cull g_hud stage7 g_passes stage8 p_probe f_ui f_ui_done f_pr Effects (FX): none running --- device fault report / GPU breadcrumbs (where the GPU was) --- [vktest] DEVICE_LOST report (VK_EXT_device_fault enabled, breadcrumbs AMD markers) [vktest] DEVICE_LOST breadcrumbs (AMD markers, graphics queue): last started #1476758 c_rtmask, last finished #1476757 g_term_tri (latest recorded #1476954) [vktest] images freed in the last 4 frames (newest first): [vktest] freed image '-' 1x1 fmt=95 [0x24d500000, 0x24d500100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899 [vktest] freed image '-' 1x1 fmt=95 [0x24d480000, 0x24d480100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899 [vktest] freed image '-' 1x1 fmt=97 [0x24d400000, 0x24d400100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899 [vktest] freed image '-' 1x1 fmt=100 [0x24d380000, 0x24d380100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899 [vktest] freed image '-' 1x1 fmt=95 [0x24d300000, 0x24d300100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899 [vktest] freed image '-' 1x1 x4 fmt=97 [0x24d280000, 0x24d280400) size=1024 created frame 2241 by SlipstreamViewer.exe+0x20ed2c7 (now 14901) FREED frame 14899 [vktest] freed image '-' 1x1 fmt=97 [0x24d200000, 0x24d200100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899 [vktest] freed image '-' 1x1 fmt=97 [0x24d180000, 0x24d180100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899 [vktest] freed image '-' 1x1 x4 fmt=97 [0x24d100000, 0x24d100400) size=1024 created frame 2241 by SlipstreamViewer.exe+0x20ed2c7 (now 14901) FREED frame 14899 [vktest] freed image '-' 1x1 fmt=97 [0x24d080000, 0x24d080100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899 [vktest] freed image '-' 1x1 fmt=37 [0x24d000000, 0x24d000100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899 [vktest] freed image '-' 1x1 fmt=97 [0x24d600000, 0x24d600100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899 [vktest] freed image '-' 1x1 fmt=97 [0x24d580000, 0x24d580100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899 [vktest] freed image '-' 1x1 fmt=100 [0x24cf80000, 0x24cf80100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899 [vktest] freed image '-' 1x1 fmt=95 [0x24cf00000, 0x24cf00100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899 [vktest] freed image '-' 1x1 x4 fmt=37 [0x24ce80000, 0x24ce80400) size=1024 created frame 2241 by SlipstreamViewer.exe+0x20ed2c7 (now 14901) FREED frame 14899 [vktest] freed image '-' 1x1 fmt=37 [0x217f80000, 0x217f80100) size=256 created frame 2241 by SlipstreamViewer.exe+0x20ed310 (now 14901) FREED frame 14899 [vktest] DEVICE_LOST fault: GPU fault [vktest] address type=1 addr=0x4a8e4e000 precision=4096 [vktest] no live/recently-freed buffer, AS or image contains it; neighbours: [vktest] below buffer '-' usage=0x200a2 [0x357c00000, 0x35b5cb230) size=60600880 created frame 5903 by SlipstreamViewer.exe+0x202868a (now 14901) [vktest] (registry: 229 live buffers, 7382 AS, 9292 recent frees, 3096 live images (3095 with a VA), 4096 recent image frees, frame 14901) ==================== END GRAPHICS DEVICE LOST ==================== ~~~ </details> --- _{Filed by the Slipstream report relay. The reporter's identity is not verified; system details are as sent by the reporter.}

slipstream-log-excerpt.txt

92 KiB

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slipstream-reports added this to the Slipstream project 2026-10-19 17:21:10 +00:00

sky_line referenced this issue from a commit 2026-10-20 13:44:59 +00:00

#874: DEVICE_LOST RT scene audit -- host readback of the TLAS records + rt_geom, every BLAS reference / CPU table / fault address checked against the address registry

sky_line referenced this issue from a commit 2026-10-20 13:44:59 +00:00

#874: RT audit -- cluster AS storage rows are 'unverifiable', not bad; freed-after-build is bad only while the frame may still have run

sky_line referenced this issue from a commit 2026-10-20 22:27:39 +00:00

#874: RT read guard -- record once per invocation, A/B switch as a specialization constant

sky_line added the

status

testing

label 2026-10-23 17:49:22 +00:00

sky_line referenced this issue from a commit 2026-10-23 20:58:20 +00:00

#973: device-lost report -- say 'no fault address: GPU hang / timeout (TDR)' when VK_EXT_device_fault names none

sky_line referenced this issue from a commit 2026-10-23 20:58:20 +00:00

#973: address classifier -- a LIVE buffer / AS wins over a freed AS note ('previously freed range')

sky_line referenced this issue from a commit 2026-10-24 09:07:08 +00:00

RT reflections: GPU hang (Xid 109) -- every ray query gets valid input; the back-face re-trace no longer steps tmin past tmax

sky_line referenced this issue from a commit 2026-10-24 09:07:08 +00:00

#1009: Cluster LOD -- cluster-traced statics emit again in the emissive light build (legacy row beside the cluster RT row)

sky_line referenced this issue from a commit 2026-10-25 04:56:55 +00:00

#973: device-lost report -- say 'no fault address: GPU hang / timeout (TDR)' when VK_EXT_device_fault names none

sky_line referenced this issue from a commit 2026-10-25 04:56:55 +00:00

#973: address classifier -- a LIVE buffer / AS wins over a freed AS note ('previously freed range')

sky_line referenced this issue from a commit 2026-10-25 04:56:56 +00:00

RT reflections: GPU hang (Xid 109) -- every ray query gets valid input; the back-face re-trace no longer steps tmin past tmax

sky_line referenced this issue from a commit 2026-10-25 06:21:59 +00:00

#1049: RT reflection hang guard -- per-ray ray-query budget, world-bounded rays, always-on counters

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ui

UI / input / camera

  

upstream

Port from upstream Alchemy/LL

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amd

avatars

bug

builder

cannot-reproduce

crash

epic

feature

from-viewer

gl-removal

known-limitation

monitoring

parity

perf

platform

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critical

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low

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medium

provenance

rendering

rt

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in-progress

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testing

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up-next

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ui

upstream

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Slipstream

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Reference

sky_line/Slipstream#874

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