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D27235.diff

Index: head/sys/dev/iommu/iommu_gas.c
===================================================================
--- head/sys/dev/iommu/iommu_gas.c
+++ head/sys/dev/iommu/iommu_gas.c
@@ -258,7 +258,8 @@
entry = RB_MIN(iommu_gas_entries_tree, &domain->rb_root);
KASSERT(entry->start == 0, ("start entry start %p", domain));
KASSERT(entry->end == IOMMU_PAGE_SIZE, ("start entry end %p", domain));
- KASSERT(entry->flags == IOMMU_MAP_ENTRY_PLACE,
+ KASSERT(entry->flags ==
+ (IOMMU_MAP_ENTRY_PLACE | IOMMU_MAP_ENTRY_UNMAPPED),
("start entry flags %p", domain));
RB_REMOVE(iommu_gas_entries_tree, &domain->rb_root, entry);
iommu_gas_free_entry(domain, entry);
@@ -266,7 +267,8 @@
entry = RB_MAX(iommu_gas_entries_tree, &domain->rb_root);
KASSERT(entry->start == domain->end, ("end entry start %p", domain));
KASSERT(entry->end == domain->end, ("end entry end %p", domain));
- KASSERT(entry->flags == IOMMU_MAP_ENTRY_PLACE,
+ KASSERT(entry->flags ==
+ (IOMMU_MAP_ENTRY_PLACE | IOMMU_MAP_ENTRY_UNMAPPED),
("end entry flags %p", domain));
RB_REMOVE(iommu_gas_entries_tree, &domain->rb_root, entry);
iommu_gas_free_entry(domain, entry);

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