row0sel.c, page0page.ic:

  Add still more diagnostic code to track buffer pool corruption in one AMD64/Linux computer

innobase/include/page0page.ic

@@ -483,7 +483,12 @@ page_rec_get_next(
 		fprintf(stderr,
 "InnoDB: Next record offset is nonsensical %lu in record at offset %lu\n",
 		(ulong)offs, (ulong)(rec - page));
-	
+		fprintf(stderr,
+"\nInnoDB: rec address %lx, first buffer frame %lx\n"
+"InnoDB: buffer pool high end %lx, buf fix count %lu\n",
+				(ulong)rec, (ulong)buf_pool->frame_zero,
+				(ulong)buf_pool->high_end,
+				(ulong)buf_block_align(rec)->buf_fix_count);
 		buf_page_print(page);
 
 		ut_a(0);

innobase/row/row0sel.c

@@ -3090,7 +3090,13 @@ row_search_for_mysql(
 			ut_print_timestamp(stderr);
 			buf_page_print(buf_frame_align(rec));
 			fprintf(stderr,
-"  InnoDB: Index corruption: rec offs %lu next offs %lu, page no %lu,\n"
+"\nInnoDB: rec address %lx, first buffer frame %lx\n"
+"InnoDB: buffer pool high end %lx, buf block fix count %lu\n",
+				(ulong)rec, (ulong)buf_pool->frame_zero,
+				(ulong)buf_pool->high_end,
+				(ulong)buf_block_align(rec)->buf_fix_count);
+			fprintf(stderr,
+"InnoDB: Index corruption: rec offs %lu next offs %lu, page no %lu,\n"
 "InnoDB: ",
 				(ulint)(rec - buf_frame_align(rec)), next_offs,
 				buf_frame_get_page_no(rec));