error "Failed to attach $file"
do_facet $SINGLEAGT "echo 3 > /proc/sys/vm/drop_caches"
check_lpcc_state $file "readwrite"
+ do_facet $SINGLEAGT "echo 3 > /proc/sys/vm/drop_caches"
+ do_facet $SINGLEAGT "echo 3 > /proc/sys/vm/drop_caches"
+ check_lpcc_state $file "readwrite"
do_facet $SINGLEAGT $LFS pcc detach $file ||
error "Failed to detach $file"
}