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IDProjectCategoryView StatusLast Update
0013414Dwarf FortressTechnical -- Renderingpublic2025-12-31 01:15
ReporterRexer Assigned To 
PrioritynormalSeveritymajorReproducibilitysometimes
Status newResolutionopen 
PlatformSteamOSLinux BazziteOS Version43
Product Version53.08 
Summary0013414: Linux native build leaks GPU GTT memory continuously (Windows/Proton unaffected)
DescriptionThe Linux native build has a GPU memory leak causing GTT to grow continuously until system becomes unresponsive.

The Windows build running via Proton does not have this issue.

  
  Evidence:
  - Tested twice
  - Linux native: GTT grew from 0.4 GB to 15+ GB in 0000024:0000020 minutes (idle at menu)
  - Previous session: reached 64 GB before system froze
  - Windows/Proton: GTT stable at 0.24 GB after same time period
Steps To Reproduce1. Launch Dwarf Fortress (Linux native build via Steam)
  2. Sit at main menu (no save loaded needed)
  3. Monitor GPU GTT memory with: cat /sys/class/drm/card*/device/mem_info_gtt_used
  4. Observe GTT growing ~0.7-1 GB per minute
Additional Information  System:
  - GPU: AMD Radeon RX 6900 XT
  - Driver: Mesa 25.3.0 (RADV Vulkan)
  - RAM: 64 GB
  - Steam Runtime: Scout
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Issue History

Date Modified Username Field Change
2025-12-31 01:15 Rexer New Issue