diff --git a/src/libcalamares/JobQueue.cpp b/src/libcalamares/JobQueue.cpp
index 00b30f318..039a28e26 100644
--- a/src/libcalamares/JobQueue.cpp
+++ b/src/libcalamares/JobQueue.cpp
@@ -112,17 +112,19 @@ public:
         QString message;  ///< Filled in with errors
         QString details;
 
+        Logger::Once o;
         m_jobIndex = 0;
         for ( const auto& jobitem : *m_runningJobs )
         {
             if ( failureEncountered && !jobitem.job->isEmergency() )
             {
-                cDebug() << "Skipping non-emergency job" << jobitem.job->prettyName();
+                cDebug() << o << "Skipping non-emergency job" << jobitem.job->prettyName();
             }
             else
             {
-                cDebug() << "Starting" << ( failureEncountered ? "EMERGENCY JOB" : "job" ) << jobitem.job->prettyName()
+                cDebug() << o << "Starting" << ( failureEncountered ? "EMERGENCY JOB" : "job" ) << jobitem.job->prettyName()
                          << '(' << ( m_jobIndex + 1 ) << '/' << m_runningJobs->count() << ')';
+                o.refresh();  // So next time it shows the function header again
                 emitProgress( 0.0 );  // 0% for *this job*
                 connect( jobitem.job.data(), &Job::progress, this, &JobThread::emitProgress );
                 auto result = jobitem.job->exec();
diff --git a/src/libcalamares/modulesystem/Module.cpp b/src/libcalamares/modulesystem/Module.cpp
index ff0b20f78..8fbb05300 100644
--- a/src/libcalamares/modulesystem/Module.cpp
+++ b/src/libcalamares/modulesystem/Module.cpp
@@ -101,7 +101,7 @@ Module::loadConfigurationFile( const QString& configFileName )  //throws YAML::E
             YAML::Node doc = YAML::Load( ba.constData() );
             if ( doc.IsNull() )
             {
-                cDebug() << "Found empty module configuration" << path;
+                cWarning() << "Found empty module configuration" << path;
                 // Special case: empty config files are valid,
                 // but aren't a map.
                 return;
@@ -112,14 +112,13 @@ Module::loadConfigurationFile( const QString& configFileName )  //throws YAML::E
                 return;
             }
 
-            cDebug() << "Loaded module configuration" << path;
             m_configurationMap = CalamaresUtils::yamlMapToVariant( doc );
             m_emergency = m_maybe_emergency && m_configurationMap.contains( EMERGENCY )
                 && m_configurationMap[ EMERGENCY ].toBool();
             return;
         }
     }
-    cDebug() << "No config file for" << name() << "found anywhere at" << Logger::DebugList( configCandidates );
+    cWarning() << "No config file for" << name() << "found anywhere at" << Logger::DebugList( configCandidates );
 }
 
 
diff --git a/src/libcalamares/partition/KPMManager.cpp b/src/libcalamares/partition/KPMManager.cpp
index 5f6b87589..ff7701703 100644
--- a/src/libcalamares/partition/KPMManager.cpp
+++ b/src/libcalamares/partition/KPMManager.cpp
@@ -100,12 +100,10 @@ getInternal()
 KPMManager::KPMManager()
     : m_d( getInternal() )
 {
-    cDebug() << "KPMManager" << s_backend.use_count() << "created.";
 }
 
 KPMManager::~KPMManager()
 {
-    cDebug() << "KPMManager" << s_backend.use_count() << "being destroyed.";
 }
 
 KPMManager::operator bool() const
diff --git a/src/libcalamares/utils/CalamaresUtilsSystem.cpp b/src/libcalamares/utils/CalamaresUtilsSystem.cpp
index df578a862..d2c0a6cf1 100644
--- a/src/libcalamares/utils/CalamaresUtilsSystem.cpp
+++ b/src/libcalamares/utils/CalamaresUtilsSystem.cpp
@@ -169,7 +169,7 @@ System::runCommand( System::RunLocation location,
         }
     }
 
-    cDebug() << "Running" << program << RedactedList( arguments );
+    cDebug() << Logger::SubEntry << "Running" << program << RedactedList( arguments );
     process.start();
     if ( !process.waitForStarted() )
     {
@@ -208,10 +208,6 @@ System::runCommand( System::RunLocation location,
         {
             cDebug() << Logger::SubEntry << "Finished. Exit code:" << r << "output:\n" << Logger::NoQuote << output;
         }
-        else
-        {
-            cDebug() << Logger::SubEntry << "Finished. Exit code:" << r;
-        }
     }
     else  // if ( r != 0 )
     {
diff --git a/src/libcalamares/utils/Logger.h b/src/libcalamares/utils/Logger.h
index 871cc6fb3..1fd534d04 100644
--- a/src/libcalamares/utils/Logger.h
+++ b/src/libcalamares/utils/Logger.h
@@ -310,6 +310,14 @@ public:
     }
     friend CDebug& operator<<( CDebug&&, const Once& );
 
+    /** @brief Restore the object to "fresh" state
+     *
+     * It may be necessary to allow the Once object to stream the
+     * function header again -- for instance, after logging an error,
+     * any following debug log might want to re-introduce the header.
+     */
+    void refresh() { m = true; }
+
 private:
     mutable bool m = false;
 };
diff --git a/src/modules/partition/core/PartUtils.cpp b/src/modules/partition/core/PartUtils.cpp
index 54f971f4e..c99884ce6 100644
--- a/src/modules/partition/core/PartUtils.cpp
+++ b/src/modules/partition/core/PartUtils.cpp
@@ -126,23 +126,22 @@ canBeResized( Partition* candidate, const Logger::Once& o )
         return false;
     }
 
-    cDebug() << o << "Checking if" << convenienceName( candidate ) << "can be resized.";
     if ( !candidate->fileSystem().supportGrow() || !candidate->fileSystem().supportShrink() )
     {
-        cDebug() << Logger::SubEntry << "NO, filesystem" << candidate->fileSystem().name()
-                 << "does not support resize.";
+        cDebug() << o << "Can not resize" << convenienceName( candidate ) << ", filesystem"
+                 << candidate->fileSystem().name() << "does not support resize.";
         return false;
     }
 
     if ( isPartitionFreeSpace( candidate ) )
     {
-        cDebug() << Logger::SubEntry << "NO, partition is free space";
+        cDebug() << o << "Can not resize" << convenienceName( candidate ) << ", partition is free space";
         return false;
     }
 
     if ( candidate->isMounted() )
     {
-        cDebug() << Logger::SubEntry << "NO, partition is mounted";
+        cDebug() << o << "Can not resize" << convenienceName( candidate ) << ", partition is mounted";
         return false;
     }
 
@@ -151,14 +150,14 @@ canBeResized( Partition* candidate, const Logger::Once& o )
         PartitionTable* table = dynamic_cast< PartitionTable* >( candidate->parent() );
         if ( !table )
         {
-            cDebug() << Logger::SubEntry << "NO, no partition table found";
+            cDebug() << o << "Can not resize" << convenienceName( candidate ) << ", no partition table found";
             return false;
         }
 
         if ( table->numPrimaries() >= table->maxPrimaries() )
         {
-            cDebug() << Logger::SubEntry << "NO, partition table already has" << table->maxPrimaries()
-                     << "primary partitions.";
+            cDebug() << o << "Can not resize" << convenienceName( candidate ) << ", partition table already has"
+                     << table->maxPrimaries() << "primary partitions.";
             return false;
         }
     }
@@ -167,7 +166,8 @@ canBeResized( Partition* candidate, const Logger::Once& o )
     double requiredStorageGiB = getRequiredStorageGiB( ok );
     if ( !ok )
     {
-        cDebug() << Logger::SubEntry << "NO, requiredStorageGiB is not set correctly.";
+        cDebug() << o << "Can not resize" << convenienceName( candidate )
+                 << ", requiredStorageGiB is not set correctly.";
         return false;
     }
 
@@ -200,24 +200,25 @@ canBeResized( Partition* candidate, const Logger::Once& o )
 bool
 canBeResized( DeviceModel* dm, const QString& partitionPath, const Logger::Once& o )
 {
-    cDebug() << o << "Checking if" << partitionPath << "can be resized.";
-    QString partitionWithOs = partitionPath;
-    if ( partitionWithOs.startsWith( "/dev/" ) )
+    if ( partitionPath.startsWith( "/dev/" ) )
     {
         for ( int i = 0; i < dm->rowCount(); ++i )
         {
             Device* dev = dm->deviceForIndex( dm->index( i ) );
-            Partition* candidate = CalamaresUtils::Partition::findPartitionByPath( { dev }, partitionWithOs );
+            Partition* candidate = CalamaresUtils::Partition::findPartitionByPath( { dev }, partitionPath );
             if ( candidate )
             {
                 return canBeResized( candidate, o );
             }
         }
-        cDebug() << Logger::SubEntry << "no Partition* found for" << partitionWithOs;
+        cWarning() << "Can not resize" << partitionPath << ", no Partition* found.";
+        return false;
+    }
+    else
+    {
+        cWarning() << "Can not resize" << partitionPath << ", does not start with /dev";
+        return false;
     }
-
-    cDebug() << Logger::SubEntry << "Partition" << partitionWithOs << "CANNOT BE RESIZED FOR AUTOINSTALL.";
-    return false;
 }
 
 
@@ -250,8 +251,6 @@ lookForFstabEntries( const QString& partitionPath )
     {
         QFile fstabFile( mount.path() + "/etc/fstab" );
 
-        cDebug() << Logger::SubEntry << "reading" << fstabFile.fileName();
-
         if ( fstabFile.open( QIODevice::ReadOnly | QIODevice::Text ) )
         {
             const QStringList fstabLines = QString::fromLocal8Bit( fstabFile.readAll() ).split( '\n' );
@@ -261,10 +260,11 @@ lookForFstabEntries( const QString& partitionPath )
                 fstabEntries.append( FstabEntry::fromEtcFstab( rawLine ) );
             }
             fstabFile.close();
-            cDebug() << Logger::SubEntry << "got" << fstabEntries.count() << "lines.";
+            const int lineCount = fstabEntries.count();
             std::remove_if(
                 fstabEntries.begin(), fstabEntries.end(), []( const FstabEntry& x ) { return !x.isValid(); } );
-            cDebug() << Logger::SubEntry << "got" << fstabEntries.count() << "fstab entries.";
+            cDebug() << Logger::SubEntry << "got" << fstabEntries.count() << "fstab entries from" << lineCount
+                     << "lines in" << fstabFile.fileName();
         }
         else
         {