This test checks whether 'root' is successfully translated to UID/GID 0, using 'getpwnam' in libmount. This doesn't work in the chroot because /etc/passwd doesn't contain an entry for 'root' so skip it. --- util-linux-2.25.2/tests/ts/libmount/optstr 2015-01-23 13:58:41.181151194 +0100 +++ util-linux-2.25.2/tests/ts/libmount/optstr 2015-01-23 13:58:42.829161716 +0100 @@ -84,10 +84,6 @@ ts_init_subtest "apply-user" # add user, ts_valgrind $TESTPROG --apply --user "noexec,nosuid,loop=/dev/looop0" 0x408 &> $TS_OUTPUT ts_finalize_subtest -ts_init_subtest "fix" -ts_valgrind $TESTPROG --fix "uid=root,gid=root" &> $TS_OUTPUT -ts_finalize_subtest - ts_init_subtest "deduplicate" ts_valgrind $TESTPROG --dedup bbb,ccc,AAA,xxx,AAA=a,AAA=bbb,ddd,AAA=ccc,fff=eee AAA &> $TS_OUTPUT ts_finalize_subtest