Index: t_ptrace_wait.c
===================================================================
RCS file: /cvsroot/src/tests/lib/libc/sys/t_ptrace_wait.c,v
retrieving revision 1.108
diff -u -r1.108 t_ptrace_wait.c
--- t_ptrace_wait.c	11 Apr 2019 23:23:53 -0000	1.108
+++ t_ptrace_wait.c	13 Apr 2019 13:10:56 -0000
@@ -3846,8 +3846,11 @@
 		/* Read the whole AUXV vector, it has no clear length */
 		while (errno != EIO) {
 			io.piod_offs = (void *)(intptr_t)i;
-			SYSCALL_REQUIRE(ptrace(PT_IO, child, &io, sizeof(io))
-			                != -1 || (errno == EIO && i > 0));
+			int my_rv = ptrace(PT_IO, child, &io, sizeof(io));
+			printf("i=%zu rv=%d errno=%d\n", i, my_rv, errno);
+			ATF_REQUIRE(my_rv != -1 || (errno == EIO && i > 0));
+//			SYSCALL_REQUIRE(ptrace(PT_IO, child, &io, sizeof(io))
+//			                != -1 || (errno == EIO && i > 0));
 			++i;
 		}
 	}