Mesa dzn Stability Patch Bundle (WSL2)

This repository contains a patch bundle and supporting notes for upstream discussion in Mesa.

Base revision

• Mesa base commit: 6a02618 VERSION: bump for 26.1.5 (Mesa 26.1.5)

Contents

• 01_environment.md: sanitized environment summary.
• 02_reproduction.md: generic reproduction guidance.
• 03_patch_candidates.md: per-change upstream suitability.
• 04_validation_and_results.md: before/after behavior summary.
• 05_evidence_index.md: evidence map by run ID and signal type.
• 06_submission_checklist.md: pre-submission checklist.
• patch-docs/: one independent tracker per patch file.
• templates/issue_template.md: issue draft template.
• templates/mr_template.md: merge request draft template.
• patches/: split diffs by area.

Patch series

Previous submission (stability hardening)

• 0001-dzn_device.diff — queue granularity, contract logging, sync tracing
• 0002-dzn_descriptor_set.diff — descriptor heap guard, OODM diagnostics
• 0003-dzn_cmd_buffer.diff — error propagation hardening
• 0004-vk_queue.diff — queue submit guardrails

New submission (zombie fix v2)

• 0005-dzn-zombie-fix-v2.diff — extended zombie infrastructure + per-site active checks

Scope constraints

• No proprietary game name/path references.
• No personal usernames or local absolute-path assumptions in docs/templates.

Note on instrumentation

Investigation-only logging (DZN_CONTRACT_LOG, DZN_OODM_TRACE, DZN_SYNC_TRACE) is intentionally retained here for reproducibility notes, but may be split from a minimal upstream MR if requested.