The branch main has been updated by kib:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=733da1eb947688210bc152656357ecafbd172bb7

commit 733da1eb947688210bc152656357ecafbd172bb7
Author:     Konstantin Belousov <[email protected]>
AuthorDate: 2023-12-23 23:34:16 +0000
Commit:     Konstantin Belousov <[email protected]>
CommitDate: 2023-12-26 01:28:22 +0000

    iommu_gas: print entries flags and domains if an overlap detected
    
    Sponsored by:   The FreeBSD Foundation
    MFC after:      1 week
---
 sys/dev/iommu/iommu_gas.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/sys/dev/iommu/iommu_gas.c b/sys/dev/iommu/iommu_gas.c
index 72db5ca871ec..25e13aad2291 100644
--- a/sys/dev/iommu/iommu_gas.c
+++ b/sys/dev/iommu/iommu_gas.c
@@ -125,9 +125,11 @@ iommu_gas_cmp_entries(struct iommu_map_entry *a, struct 
iommu_map_entry *b)
            b, (uintmax_t)b->start, (uintmax_t)b->end));
        KASSERT(a->end <= b->start || b->end <= a->start ||
            a->end == a->start || b->end == b->start,
-           ("overlapping entries %p (%jx, %jx) %p (%jx, %jx)",
-           a, (uintmax_t)a->start, (uintmax_t)a->end,
-           b, (uintmax_t)b->start, (uintmax_t)b->end));
+           ("overlapping entries %p (%jx, %jx) f %#x %p (%jx, %jx) f %#x"
+           " domain %p %p",
+           a, (uintmax_t)a->start, (uintmax_t)a->end, a->flags,
+           b, (uintmax_t)b->start, (uintmax_t)b->end, b->flags,
+           a->domain, b->domain));
 
        if (a->end < b->end)
                return (-1);

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