percent.sh: somehow dm-snapshot module is not loaded. === [ 0:00] #percent.sh:24+ lvcreate -s -n snap @PREFIX@vg/foo -l 3 -c 4k [ 0:00] snapshot: Required device-mapper target(s) not detected in your kernel. [ 0:00] Run `lvcreate --help' for more information. === After manually loading these kernel module, this testcase is skipped.