diff --git a/build.sh b/build.sh
index 950bb19..c68f7a1 100755
--- a/build.sh
+++ b/build.sh
@@ -18,14 +18,14 @@ buildp_ast() {
 		fi;
 	done;
 	if [ -n "${_pids}" ]; then
-		rtl_log_msg notice "Killed PID(s): %s" "$(rtl_uniq ${_pids})";
+		rtl_log_msg verbose "Killed PID(s): %s" "$(rtl_uniq ${_pids})";
 	fi;
 	if [ -n "${EX_PKG_DISPATCH_WAIT}" ]\
 	&& [ "${ARG_RESET_PKG}" -eq 1 ]; then
 		for _pkg_name in ${EX_PKG_DISPATCH_WAIT}; do
 			rtl_state_clear "${BUILD_WORKDIR}" "${_pkg_name}";
 		done;
-		rtl_log_msg notice "Reset package state for: %s" "${EX_PKG_DISPATCH_WAIT}";
+		rtl_log_msg verbose "Reset package state for: %s" "${EX_PKG_DISPATCH_WAIT}";
 	fi;
 	if [ -n "${DEFAULT_BUILD_STATUS_IN_PROGRESS_FNAME}" ]; then
 		rtl_fileop rm "${DEFAULT_BUILD_STATUS_IN_PROGRESS_FNAME}";
@@ -65,12 +65,12 @@ buildp_dispatch_group_state() {
 buildp_dispatch_pkg_state() {
 	local _msg="${1}" _group_name="${2}" _pkg_name="${3}";
 	case "${_msg}" in
-	disabled_pkg)	: $((BUILD_NSKIP+=1)); rtl_log_msg verbose "Skipping disabled package \`%s'." "${_pkg_name}"; ;;
+	disabled_pkg)	: $((BUILD_NSKIP+=1)); rtl_log_msg notice "Skipping disabled package \`%s'." "${_pkg_name}"; ;;
 	missing_pkg)	rtl_log_msg fatalexit "Error: unknown package \`%s'." "${_pkg_name}"; ;;
-	msg_pkg)	shift 3; rtl_log_msg verbose "%s/%s: %s" "${_group_name}" "${_pkg_name}" "${*}"; ;;
-	skipped_pkg)	: $((BUILD_NSKIP+=1)); rtl_log_msg verbose "Skipping finished package \`%s'." "${_pkg_name}"; ;;
+	msg_pkg)	shift 3; rtl_log_msg notice "%s/%s: %s" "${_group_name}" "${_pkg_name}" "${*}"; ;;
+	skipped_pkg)	: $((BUILD_NSKIP+=1)); rtl_log_msg notice "Skipping finished package \`%s'." "${_pkg_name}"; ;;
 	start_pkg)	rtl_log_msg info "[%3d%%/%3d%%] [%03d/%03d] Starting \`%s' build..." "${7}" "${6}" "${4}" "${5}" "${_pkg_name}"; ;;
-	step_pkg)	rtl_log_msg verbose "Finished build step %s of package \`%s'." "${4}" "${_pkg_name}"; ;;
+	step_pkg)	rtl_log_msg notice "Finished build step %s of package \`%s'." "${4}" "${_pkg_name}"; ;;
 	finish_pkg)
 		: $((BUILD_NFINI+=1));
 		if rtl_lmatch "${ARG_VERBOSE_LEVELS}" "build" ","; then
diff --git a/etc/build.usage b/etc/build.usage
index 93b9702..ca77a50 100644
--- a/etc/build.usage
+++ b/etc/build.usage
@@ -1,7 +1,7 @@
 usage: ./build.sh [-a nt32|nt64]  [-b debug|release]    [-C dir[,..]]  [-D kind[,..]]
                   [-F ipv4|ipv6|offline]    [-h|--help] [-p jobs|-P]    [-r ALL|LAST]
-                  [-r [*[*[*]]]name[,..][:ALL|LAST|[^|<|<=|>|>=]step,..]]
-                  [-R] [-v[v]] [-V level[,..]] [-x]
+                  [-r [*[*[*]]]name[,..][:ALL|LAST|[^|<|<=|>|>=]step,..]]        [-R]
+		  [-v[v]]   [-V {notice,verbose,build,fileops,install,xtrace}]   [-x]
 
                   [--as-needed]  [--debug-minipix] [--dump-on-abort]  [--reset-state]
                   [--roar]      [[=]<group>|<variable name>=<variable override>[ ..]]
@@ -57,14 +57,14 @@
         -R                Ignore build failures, skip printing package logs, and continue
                           building (relaxed mode.)
 
-        -v[v]             -v: log at notice, -vv: log at verbose level.
+        -v[v]             -v: log at info, notice, -vv: log at info, notice, verbose level.
         -V level[,..]     Be verbose concerning any of:
                           notice...: log at notice level (-v,)
-                          verbose..: log at verbose level (-vv,)
-                          build....: always print package build logs,
-                          fileops..: log RTL file operations,
-                          install..: log RTL installation DSL operations,
-                          xtrace...: set xtrace during package builds (-x.)
+                          verbose..: log at verbose level (implies notice) (-vv,)
+                          build....: always print package build logs (implies notice,)
+                          fileops..: log RTL file operations (implies notice,)
+                          install..: log RTL installation DSL operations (implies notice,)
+                          xtrace...: set xtrace during package builds (implies notice) (-x.)
         -x                Set xtrace during package builds.
 
         --as-needed       Don't build unless the midipix_build repository has received
diff --git a/etc/build.usage.short b/etc/build.usage.short
index b55b490..715f2a6 100644
--- a/etc/build.usage.short
+++ b/etc/build.usage.short
@@ -1,7 +1,7 @@
 usage: ./build.sh [-a nt32|nt64]  [-b debug|release]    [-C dir[,..]]  [-D kind[,..]]
                   [-F ipv4|ipv6|offline]    [-h|--help] [-p jobs|-P]    [-r ALL|LAST]
-                  [-r [*[*[*]]]name[,..][:ALL|LAST|[^|<|<=|>|>=]step,..]]
-                  [-R] [-v[v]] [-V level[,..]] [-x]
+                  [-r [*[*[*]]]name[,..][:ALL|LAST|[^|<|<=|>|>=]step,..]]        [-R]
+		  [-v[v]]   [-V {notice,verbose,build,fileops,install,xtrace}]   [-x]
 
                   [--as-needed]  [--debug-minipix] [--dump-on-abort]  [--reset-state]
                   [--roar]      [[=]<group>|<variable name>=<variable override>[ ..]]
@@ -12,8 +12,14 @@
         -p jobs|-P        Enables parallelisation at group-level, whenever applicable.
         -r ALL|LAST       Restart all/the last failed/the specified comma-separated package(s).
         -r [*[*[*]]]name[,..][:ALL|LAST|[^|<|<=|>|>=]step,..]
-        -v[v]             -v: log at notice, -vv: log at verbose level.
-        -x                Set xtrace during package builds.
+        -v[v]             -v: log at info, notice, -vv: log at info, notice, verbose level.
+        -V level[,..]     Be verbose concerning any of:
+                          notice...: log at notice level (-v,)
+                          verbose..: log at verbose level (implies notice) (-vv,)
+                          build....: always print package build logs (implies notice,)
+                          fileops..: log RTL file operations (implies notice,)
+                          install..: log RTL installation DSL operations (implies notice,)
+                          xtrace...: set xtrace during package builds (implies notice) (-x.)
 
         <group>[ ..]      One of: dev_packages, dist, host_deps, host_deps_rpm,
                           host_toolchain, host_tools, minipix, native_packages,
diff --git a/subr.rtl/rtl_fileop.subr b/subr.rtl/rtl_fileop.subr
index 53666ea..d69cead 100644
--- a/subr.rtl/rtl_fileop.subr
+++ b/subr.rtl/rtl_fileop.subr
@@ -18,7 +18,7 @@ rtlp_fileop_check() {
 rtlp_fileop_log() {
 	local _msg="${1}";
 	if [ "${RTLP_FILEOP_LOG:-0}" -eq 1 ]; then
-		rtl_log_msg debug "${_msg}";
+		rtl_log_msg notice "${_msg}";
 	fi;
 };
 
diff --git a/subr.rtl/rtl_log.subr b/subr.rtl/rtl_log.subr
index b91d137..cc69279 100644
--- a/subr.rtl/rtl_log.subr
+++ b/subr.rtl/rtl_log.subr
@@ -53,6 +53,7 @@ rtl_log_env_vars() {
 rtl_log_msg() {
 	local _lvl="${1}" _fmt="${2}" _attr=""; shift 2;
 	case "${RTLP_LOG_LVL:-0}" in
+	-1)	rtl_lmatch "info notice verbose debug" "${_lvl}" && return; ;;
 	0)	rtl_lmatch "notice verbose debug" "${_lvl}" && return; ;;
 	1)	rtl_lmatch "verbose debug" "${_lvl}" && return; ;;
 	2)	rtl_lmatch "debug" "${_lvl}" && return; ;;
diff --git a/subr.rtl/rtl_platform.subr b/subr.rtl/rtl_platform.subr
index ac411c8..d510254 100644
--- a/subr.rtl/rtl_platform.subr
+++ b/subr.rtl/rtl_platform.subr
@@ -86,9 +86,9 @@ rtl_rc() {
 	local _nflag="${1}" _cmd="${2}"; shift 2;
 	case "${_nflag}" in
 	1)	     if [ "${#}" -gt 0 ]; then
-			rtl_log_msg notice "Command line: %s %s" "${_cmd}" "${*}";
+			rtl_log_msg verbose "Command line: %s %s" "${_cmd}" "${*}";
 		else
-			rtl_log_msg notice "Command line: %s" "${_cmd}";
+			rtl_log_msg verbose "Command line: %s" "${_cmd}";
 		fi; ;;
 	*)	"${_cmd}" "${@}";
 	esac;
diff --git a/subr/build_init.subr b/subr/build_init.subr
index 3d8a42c..c677f3a 100644
--- a/subr/build_init.subr
+++ b/subr/build_init.subr
@@ -237,8 +237,8 @@ buildp_init_getopts() {
 				notice)		rtl_log_set_lvl 1; ;;
 				verbose)	rtl_log_set_lvl 2; ;;
 				build|install|xtrace)
-						;;
-				fileops)	rtl_fileop_set_log 1; ;;
+						rtl_log_set_lvl 1; ;;
+				fileops)	rtl_log_set_lvl 1; rtl_fileop_set_log 1; ;;
 				*)		_rc=1; _status="Error: invalid verbosity level \`${_level}'"; ;;
 				esac;
 			done;
diff --git a/subr/ex_pkg.subr b/subr/ex_pkg.subr
index c1140d4..90cdf3c 100644
--- a/subr/ex_pkg.subr
+++ b/subr/ex_pkg.subr
@@ -120,7 +120,7 @@ ex_pkg_load_vars() {
 				../midipix_build.vars		\
 				./midipix.env; do
 			if [ -r "${_fname}" ]; then
-				rtl_log_msg notice "Sourcing \`%s'." "${_fname}";
+				rtl_log_msg verbose "Sourcing \`%s'." "${_fname}";
 				rtl_fileop source "${_fname}";
 			fi;
 		done;
diff --git a/subr/ex_pkg_dispatch.subr b/subr/ex_pkg_dispatch.subr
index 4f6c374..255aecc 100644
--- a/subr/ex_pkg_dispatch.subr
+++ b/subr/ex_pkg_dispatch.subr
@@ -230,10 +230,10 @@ ex_pkg_dispatch() {
 		_perc_group="$(rtl_percentage "${EXP_PKG_DISPATCH_GROUP_CUR}" "${EXP_PKG_DISPATCH_GROUP_MAX}")";
 		if "${_dispatch_fn}" start_group "${_group_name}" "" "${EXP_PKG_DISPATCH_GROUP_CUR}" "${EXP_PKG_DISPATCH_GROUP_MAX}" "${_perc_group}"; then
 			if rtl_fileop mkdir "${_workdir}"\
-			&& rtl_log_msg notice "Resolving \`%s' dependencies..." "${_group_name}"\
+			&& rtl_log_msg verbose "Resolving \`%s' dependencies..." "${_group_name}"\
 			&& exp_pkg_dispatch_expand_packages "${_checkfl}" "${_forcefl}" "${_group_name}" "${_restart}" "${_reversefl}"\
 			&& exp_pkg_dispatch_complete "${_dispatch_fn}" "${_group_name}" "${EX_PKG_DISABLED}" "${EX_PKG_FINISHED}"\
-			&& rtl_log_msg notice "Resolved \`%s' dependencies." "${_group_name}"\
+			&& rtl_log_msg verbose "Resolved \`%s' dependencies." "${_group_name}"\
 			&& EXP_PKG_DISPATCH_COUNT_MAX="$(rtl_llength "${EX_PKG_NAMES}")"\
 			&& [ "${EXP_PKG_DISPATCH_COUNT_MAX}" -gt 0 ]; then
 				_pkg_names="$(rtl_lconcat "${_pkg_names}" "${EX_PKG_NAMES}")";
diff --git a/subr/pkg_fetch_download.subr b/subr/pkg_fetch_download.subr
index 7a89454..8a33783 100644
--- a/subr/pkg_fetch_download.subr
+++ b/subr/pkg_fetch_download.subr
@@ -20,7 +20,7 @@ pkg_fetch_download_clean_dlcache() {
 		done;
 		if [ "${_skipfl}" -eq 0 ]; then
 			_fname="${_dlcachedir}/${_pkg_name}/${_fname}";
-			rtl_log_msg notice "Deleting redundant file \`%s' for package \`%s'." "${_fname}" "${_pkg_name}";
+			rtl_log_msg verbose "Deleting redundant file \`%s' for package \`%s'." "${_fname}" "${_pkg_name}";
 			rtl_fileop rm "${_fname}";
 		fi;
 	done;