echo "=== Testing dirty version downgrade ==="
echo
IMGOPTS="compat=1.1,lazy_refcounts=on" _make_test_img 64M
+_NO_VALGRIND \
$QEMU_IO -c "write -P 0x2a 0 128k" -c flush \
-c "sigraise $(kill -l KILL)" "$TEST_IMG" 2>&1 | _filter_qemu_io
$PYTHON qcow2.py "$TEST_IMG" dump-header
echo "=== Testing dirty lazy_refcounts=off ==="
echo
IMGOPTS="compat=1.1,lazy_refcounts=on" _make_test_img 64M
+_NO_VALGRIND \
$QEMU_IO -c "write -P 0x2a 0 128k" -c flush \
-c "sigraise $(kill -l KILL)" "$TEST_IMG" 2>&1 | _filter_qemu_io
$PYTHON qcow2.py "$TEST_IMG" dump-header