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tests/TC066-vop-bmap-unsupported.md

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+# Test Case: Unsupported BMAP with Pager Fallback
+
+**Test ID**: TC066-vop-bmap-unsupported
+**Category**: VM Integration
+**Priority**: High
+
+## Objective
+
+Verify the exact source KLD keeps erofs_bmap as EOPNOTSUPP while FreeBSD's
+local vnode pager successfully faults plain and compressed files through
+VOP_READ.
+
+## Procedure
+
+Audit the exact archived source registration and record KLD symbols. Then, on
+fresh mounts of vfs/vfs-plain.erofs and vfs/vfs-lz4.erofs, run:
+
+    ./mmap_fault /tmp/repo22-g3/mnt/pager.bin
+
+## Expected Results
+
+The source returns EOPNOTSUPP from erofs_bmap and registers both local pager
+entry points. Both real mmap tests pass; dmesg has no "No strategy for
+buffer", assertion, trap, or panic. Record source/KLD/image hashes and cleanup.