break;
                bp = bkey_s_c_to_btree_ptr_v2(k);
 
-               BUG_ON(bkey_cmp(next_node, bp.v->min_key));
+               if (bkey_cmp(next_node, bp.v->min_key)) {
+                       bch2_dump_btree_node(c, b);
+                       panic("expected next min_key %llu:%llu got %llu:%llu\n",
+                             next_node.inode,
+                             next_node.offset,
+                             bp.v->min_key.inode,
+                             bp.v->min_key.offset);
+               }
 
                bch2_btree_node_iter_advance(&iter, b);
 
                if (bch2_btree_node_iter_end(&iter)) {
-                       BUG_ON(bkey_cmp(k.k->p, b->key.k.p));
+
+                       if (bkey_cmp(k.k->p, b->key.k.p)) {
+                               bch2_dump_btree_node(c, b);
+                               panic("expected end %llu:%llu got %llu:%llu\n",
+                                     b->key.k.p.inode,
+                                     b->key.k.p.offset,
+                                     k.k->p.inode,
+                                     k.k->p.offset);
+                       }
                        break;
                }