diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8774bd733..02cdad9cd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -208,6 +208,9 @@ if (NOT TARGET libzmq)
   endif()
 endif()
 
+get_target_property(VAR libzmq INTERFACE_INCLUDE_DIRECTORIES)
+message(STATUS "zmq: ${VAR}")
+
 if (SLS_USE_TESTS)
     enable_testing()
     add_subdirectory(tests)
diff --git a/RELEASE.txt b/RELEASE.txt
index 16dce8286..e6d406e6a 100755
--- a/RELEASE.txt
+++ b/RELEASE.txt
@@ -19,6 +19,7 @@ This document describes the differences between v6.1.0 and v6.0.0.
 1. New or Changed Features
 ==========================
 
+- Fixed minor warnings (will fix commandline print of excess packets for missing packets)
 
 
 2. Resolved Issues
diff --git a/slsDetectorSoftware/include/sls/Detector.h b/slsDetectorSoftware/include/sls/Detector.h
index 4667a9c40..8096b3cbc 100644
--- a/slsDetectorSoftware/include/sls/Detector.h
+++ b/slsDetectorSoftware/include/sls/Detector.h
@@ -588,7 +588,9 @@ class Detector {
 
     Result<int64_t> getFramesCaught(Positions pos = {}) const;
 
-    /** Gets the number of missing packets for each port in receiver. */
+    /** Gets the number of missing packets for each port in receiver.
+     * Troubleshoot: If they are large numbers, convert it to signed to get
+     * number of access packets received */
     Result<std::vector<uint64_t>>
     getNumMissingPackets(Positions pos = {}) const;
 
diff --git a/slsDetectorSoftware/src/CmdProxy.cpp b/slsDetectorSoftware/src/CmdProxy.cpp
index 09b2bac7a..c320f1435 100644
--- a/slsDetectorSoftware/src/CmdProxy.cpp
+++ b/slsDetectorSoftware/src/CmdProxy.cpp
@@ -1,3 +1,4 @@
+
 // SPDX-License-Identifier: LGPL-3.0-or-other
 // Copyright (C) 2021 Contributors to the SLS Detector Package
 #include "CmdProxy.h"
@@ -1273,6 +1274,40 @@ std::string CmdProxy::DetectorStatus(int action) {
     return os.str();
 }
 
+std::string CmdProxy::RxMissingPackets(int action) {
+    std::ostringstream os;
+    os << cmd << ' ';
+    if (action == defs::HELP_ACTION) {
+        os << "Number of missing packets for each port in receiver. If "
+              "negative, they are packets in excess. "
+           << '\n';
+    } else if (action == defs::GET_ACTION) {
+        if (!args.empty()) {
+            WrongNumberOfParameters(0);
+        }
+        auto mp = det->getNumMissingPackets(std::vector<int>{det_id});
+        /*
+        auto tmp = det->getNumMissingPackets(std::vector<int>{det_id});
+        // convert to signed missing packets (to get excess)
+        Result<std::vector<int64_t>> mp(tmp.size());
+        for (unsigned int i = 0; i < mp.size(); ++i) {
+            mp[i] = static_cast<int64_t>(tmp[i]);
+        }
+        OR
+        Result<std::vector<int64_t>> tmp;
+        for (auto val : tmp) {
+            mp.push_back(static_cast<int64_t>(val));
+        }
+        */
+        os << OutString(mp) << '\n';
+    } else if (action == defs::PUT_ACTION) {
+        throw sls::RuntimeError("Cannot put");
+    } else {
+        throw sls::RuntimeError("Unknown action");
+    }
+    return os.str();
+}
+
 std::string CmdProxy::Scan(int action) {
     std::ostringstream os;
     os << cmd << ' ';
diff --git a/slsDetectorSoftware/src/CmdProxy.h b/slsDetectorSoftware/src/CmdProxy.h
index 70b47cd0c..0e3c544da 100644
--- a/slsDetectorSoftware/src/CmdProxy.h
+++ b/slsDetectorSoftware/src/CmdProxy.h
@@ -859,7 +859,7 @@ class CmdProxy {
         {"rx_status", &CmdProxy::ReceiverStatus},
         {"status", &CmdProxy::DetectorStatus},
         {"rx_framescaught", &CmdProxy::rx_framescaught},
-        {"rx_missingpackets", &CmdProxy::rx_missingpackets},
+        {"rx_missingpackets", &CmdProxy::RxMissingPackets},
         {"nextframenumber", &CmdProxy::nextframenumber},
         {"trigger", &CmdProxy::Trigger},
         {"scan", &CmdProxy::Scan},
@@ -1128,6 +1128,7 @@ class CmdProxy {
     /* acquisition */
     std::string ReceiverStatus(int action);
     std::string DetectorStatus(int action);
+    std::string RxMissingPackets(int action);
     std::string Scan(int action);
     std::string Trigger(int action);
     /* Network Configuration (Detector<->Receiver) */
diff --git a/slsReceiverSoftware/src/DataProcessor.cpp b/slsReceiverSoftware/src/DataProcessor.cpp
index cb0f84766..700561924 100644
--- a/slsReceiverSoftware/src/DataProcessor.cpp
+++ b/slsReceiverSoftware/src/DataProcessor.cpp
@@ -34,15 +34,14 @@ DataProcessor::DataProcessor(int index, detectorType detectorType, Fifo *fifo,
                              uint32_t *streamingTimerInMs,
                              uint32_t *streamingStartFnum, bool *framePadding,
                              std::vector<int> *ctbDbitList, int *ctbDbitOffset,
-                             int *ctbAnalogDataBytes, std::mutex *hdf5Lib)
+                             int *ctbAnalogDataBytes)
     : ThreadObject(index, typeName_), fifo_(fifo), detectorType_(detectorType),
       dataStreamEnable_(dataStreamEnable), activated_(activated),
       streamingFrequency_(streamingFrequency),
       streamingTimerInMs_(streamingTimerInMs),
       streamingStartFnum_(streamingStartFnum), framePadding_(framePadding),
       ctbDbitList_(ctbDbitList), ctbDbitOffset_(ctbDbitOffset),
-      ctbAnalogDataBytes_(ctbAnalogDataBytes), firstStreamerFrame_(false),
-      hdf5Lib_(hdf5Lib) {
+      ctbAnalogDataBytes_(ctbAnalogDataBytes), firstStreamerFrame_(false) {
 
     LOG(logDEBUG) << "DataProcessor " << index << " created";
 
@@ -124,16 +123,16 @@ void DataProcessor::DeleteFiles() {
 void DataProcessor::SetupFileWriter(const bool filewriteEnable,
                                     const bool masterFilewriteEnable,
                                     const fileFormat fileFormatType,
-                                    const int modulePos) {
+                                    const int modulePos, std::mutex *hdf5Lib) {
     DeleteFiles();
     if (filewriteEnable) {
         switch (fileFormatType) {
 #ifdef HDF5C
         case HDF5:
-            dataFile_ = new HDF5DataFile(index, hdf5Lib_);
+            dataFile_ = new HDF5DataFile(index, hdf5Lib);
             if (modulePos == 0 && index == 0) {
                 if (masterFilewriteEnable) {
-                    masterFile_ = new HDF5MasterFile(hdf5Lib_);
+                    masterFile_ = new HDF5MasterFile(hdf5Lib);
                 }
             }
             break;
@@ -208,12 +207,13 @@ void DataProcessor::CreateVirtualFile(
     const uint64_t fileIndex, const bool overWriteEnable, const bool silentMode,
     const int modulePos, const int numUnitsPerReadout,
     const uint32_t maxFramesPerFile, const uint64_t numImages,
-    const uint32_t dynamicRange, const int numModX, const int numModY) {
+    const uint32_t dynamicRange, const int numModX, const int numModY,
+    std::mutex *hdf5Lib) {
 
     if (virtualFile_) {
         delete virtualFile_;
     }
-    virtualFile_ = new HDF5VirtualFile(hdf5Lib_);
+    virtualFile_ = new HDF5VirtualFile(hdf5Lib);
 
     uint64_t numImagesProcessed = GetProcessedIndex() + 1;
     // maxframesperfile = 0 for infinite files
diff --git a/slsReceiverSoftware/src/DataProcessor.h b/slsReceiverSoftware/src/DataProcessor.h
index a76029fe7..14034ccf8 100644
--- a/slsReceiverSoftware/src/DataProcessor.h
+++ b/slsReceiverSoftware/src/DataProcessor.h
@@ -32,7 +32,7 @@ class DataProcessor : private virtual slsDetectorDefs, public ThreadObject {
                   uint32_t *streamingFrequency, uint32_t *streamingTimerInMs,
                   uint32_t *streamingStartFnum, bool *framePadding,
                   std::vector<int> *ctbDbitList, int *ctbDbitOffset,
-                  int *ctbAnalogDataBytes, std::mutex *hdf5Lib);
+                  int *ctbAnalogDataBytes);
 
     ~DataProcessor() override;
 
@@ -52,7 +52,8 @@ class DataProcessor : private virtual slsDetectorDefs, public ThreadObject {
     void DeleteFiles();
     void SetupFileWriter(const bool filewriteEnable,
                          const bool masterFilewriteEnable,
-                         const fileFormat fileFormatType, const int modulePos);
+                         const fileFormat fileFormatType, const int modulePos,
+                         std::mutex *hdf5Lib);
 
     void CreateFirstFiles(MasterAttributes *attr, const std::string filePath,
                           const std::string fileNamePrefix,
@@ -73,7 +74,7 @@ class DataProcessor : private virtual slsDetectorDefs, public ThreadObject {
                            const uint32_t maxFramesPerFile,
                            const uint64_t numImages,
                            const uint32_t dynamicRange, const int numModX,
-                           const int numModY);
+                           const int numModY, std::mutex *hdf5Lib);
     void LinkDataInMasterFile(const bool silentMode);
 #endif
     void UpdateMasterFile(bool silentMode);
@@ -188,7 +189,6 @@ class DataProcessor : private virtual slsDetectorDefs, public ThreadObject {
 
     File *dataFile_{nullptr};
     File *masterFile_{nullptr};
-    std::mutex *hdf5Lib_;
 #ifdef HDF5C
     File *virtualFile_{nullptr};
 #endif
diff --git a/slsReceiverSoftware/src/Implementation.cpp b/slsReceiverSoftware/src/Implementation.cpp
index 371dc5b30..8ed01eeb4 100644
--- a/slsReceiverSoftware/src/Implementation.cpp
+++ b/slsReceiverSoftware/src/Implementation.cpp
@@ -167,14 +167,14 @@ void Implementation::setDetectorType(const detectorType d) {
             auto fifo_ptr = fifo[i].get();
             listener.push_back(sls::make_unique<Listener>(
                 i, detType, fifo_ptr, &status, &udpPortNum[i], &eth[i],
-                &numberOfTotalFrames, &udpSocketBufferSize,
-                &actualUDPSocketBufferSize, &framesPerFile, &frameDiscardMode,
-                &activated, &detectorDataStream[i], &silentMode));
+                &udpSocketBufferSize, &actualUDPSocketBufferSize,
+                &framesPerFile, &frameDiscardMode, &activated,
+                &detectorDataStream[i], &silentMode));
             dataProcessor.push_back(sls::make_unique<DataProcessor>(
                 i, detType, fifo_ptr, &activated, &dataStreamEnable,
                 &streamingFrequency, &streamingTimerInMs, &streamingStartFnum,
                 &framePadding, &ctbDbitList, &ctbDbitOffset,
-                &ctbAnalogDataBytes, &hdf5Lib));
+                &ctbAnalogDataBytes));
         } catch (...) {
             listener.clear();
             dataProcessor.clear();
@@ -237,7 +237,7 @@ void Implementation::setModulePositionId(const int id) {
 
     for (const auto &it : dataProcessor)
         it->SetupFileWriter(fileWriteEnable, masterFileWriteEnable,
-                            fileFormatType, modulePos);
+                            fileFormatType, modulePos, &hdf5Lib);
     assert(numMods[1] != 0);
     for (unsigned int i = 0; i < listener.size(); ++i) {
         uint16_t row = 0, col = 0;
@@ -345,7 +345,7 @@ void Implementation::setFileFormat(const fileFormat f) {
         }
         for (const auto &it : dataProcessor)
             it->SetupFileWriter(fileWriteEnable, masterFileWriteEnable,
-                                fileFormatType, modulePos);
+                                fileFormatType, modulePos, &hdf5Lib);
     }
 
     LOG(logINFO) << "File Format: " << sls::ToString(fileFormatType);
@@ -382,7 +382,7 @@ void Implementation::setFileWriteEnable(const bool b) {
         fileWriteEnable = b;
         for (const auto &it : dataProcessor)
             it->SetupFileWriter(fileWriteEnable, masterFileWriteEnable,
-                                fileFormatType, modulePos);
+                                fileFormatType, modulePos, &hdf5Lib);
     }
     LOG(logINFO) << "File Write Enable: "
                  << (fileWriteEnable ? "enabled" : "disabled");
@@ -397,7 +397,7 @@ void Implementation::setMasterFileWriteEnable(const bool b) {
         masterFileWriteEnable = b;
         for (const auto &it : dataProcessor)
             it->SetupFileWriter(fileWriteEnable, masterFileWriteEnable,
-                                fileFormatType, modulePos);
+                                fileFormatType, modulePos, &hdf5Lib);
     }
     LOG(logINFO) << "Master File Write Enable: "
                  << (masterFileWriteEnable ? "enabled" : "disabled");
@@ -473,9 +473,9 @@ double Implementation::getProgress() const {
             ((double)(currentFrameIndex + 1) / (double)numberOfTotalFrames));
 }
 
-std::vector<uint64_t> Implementation::getNumMissingPackets() const {
-    std::vector<uint64_t> mp(numThreads);
-    for (int i = 0; i < numThreads; i++) {
+std::vector<int64_t> Implementation::getNumMissingPackets() const {
+    std::vector<int64_t> mp(numThreads);
+    for (int i = 0; i < numThreads; ++i) {
         int np = generalData->packetsPerFrame;
         uint64_t totnp = np;
         // ReadNRows
@@ -566,7 +566,7 @@ void Implementation::stopReceiver() {
                 dataProcessor[0]->CreateVirtualFile(
                     filePath, fileName, fileIndex, overwriteEnable, silentMode,
                     modulePos, numThreads, framesPerFile, numberOfTotalFrames,
-                    dynamicRange, numMods[X], numMods[Y]);
+                    dynamicRange, numMods[X], numMods[Y], &hdf5Lib);
             }
             // link file in master
             dataProcessor[0]->LinkDataInMasterFile(silentMode);
@@ -595,18 +595,19 @@ void Implementation::stopReceiver() {
     LOG(logINFO) << "Status: " << sls::ToString(status);
 
     { // statistics
-        std::vector<uint64_t> mp = getNumMissingPackets();
+        auto mp = getNumMissingPackets();
+        // print summary
         uint64_t tot = 0;
         for (int i = 0; i < numThreads; i++) {
             int nf = dataProcessor[i]->GetNumCompleteFramesCaught();
             tot += nf;
-            std::string mpMessage = std::to_string((int64_t)mp[i]);
-            if ((int64_t)mp[i] < 0) {
+            std::string mpMessage = std::to_string(mp[i]);
+            if (mp[i] < 0) {
                 mpMessage =
-                    std::to_string(abs(mp[i])) + std::string(" (Extra)");
+                    std::to_string(std::abs(mp[i])) + std::string(" (Extra)");
             }
 
-            TLogLevel lev = (((int64_t)mp[i]) > 0) ? logINFORED : logINFOGREEN;
+            TLogLevel lev = ((mp[i]) > 0) ? logINFORED : logINFOGREEN;
             LOG(lev) <<
                 // udp port number could be the second if selected interface is
                 // 2 for jungfrau
@@ -880,17 +881,16 @@ void Implementation::setNumberofUDPInterfaces(const int n) {
                 auto fifo_ptr = fifo[i].get();
                 listener.push_back(sls::make_unique<Listener>(
                     i, detType, fifo_ptr, &status, &udpPortNum[i], &eth[i],
-                    &numberOfTotalFrames, &udpSocketBufferSize,
-                    &actualUDPSocketBufferSize, &framesPerFile,
-                    &frameDiscardMode, &activated, &detectorDataStream[i],
-                    &silentMode));
+                    &udpSocketBufferSize, &actualUDPSocketBufferSize,
+                    &framesPerFile, &frameDiscardMode, &activated,
+                    &detectorDataStream[i], &silentMode));
                 listener[i]->SetGeneralData(generalData);
 
                 dataProcessor.push_back(sls::make_unique<DataProcessor>(
                     i, detType, fifo_ptr, &activated, &dataStreamEnable,
                     &streamingFrequency, &streamingTimerInMs,
                     &streamingStartFnum, &framePadding, &ctbDbitList,
-                    &ctbDbitOffset, &ctbAnalogDataBytes, &hdf5Lib));
+                    &ctbDbitOffset, &ctbAnalogDataBytes));
                 dataProcessor[i]->SetGeneralData(generalData);
             } catch (...) {
                 listener.clear();
diff --git a/slsReceiverSoftware/src/Implementation.h b/slsReceiverSoftware/src/Implementation.h
index 5e5baf863..b50280832 100644
--- a/slsReceiverSoftware/src/Implementation.h
+++ b/slsReceiverSoftware/src/Implementation.h
@@ -83,7 +83,7 @@ class Implementation : private virtual slsDetectorDefs {
     uint64_t getFramesCaught() const;
     uint64_t getAcquisitionIndex() const;
     double getProgress() const;
-    std::vector<uint64_t> getNumMissingPackets() const;
+    std::vector<int64_t> getNumMissingPackets() const;
     void setScan(slsDetectorDefs::scanParameters s);
     void startReceiver();
     void setStoppedFlag(bool stopped);
diff --git a/slsReceiverSoftware/src/Listener.cpp b/slsReceiverSoftware/src/Listener.cpp
index 2e744bd8a..3dc7a5559 100644
--- a/slsReceiverSoftware/src/Listener.cpp
+++ b/slsReceiverSoftware/src/Listener.cpp
@@ -23,10 +23,10 @@ const std::string Listener::TypeName = "Listener";
 
 Listener::Listener(int ind, detectorType dtype, Fifo *f,
                    std::atomic<runStatus> *s, uint32_t *portno, std::string *e,
-                   uint64_t *nf, int *us, int *as, uint32_t *fpf,
-                   frameDiscardPolicy *fdp, bool *act, bool *detds, bool *sm)
+                   int *us, int *as, uint32_t *fpf, frameDiscardPolicy *fdp,
+                   bool *act, bool *detds, bool *sm)
     : ThreadObject(ind, TypeName), fifo(f), myDetectorType(dtype), status(s),
-      udpPortNumber(portno), eth(e), numImages(nf), udpSocketBufferSize(us),
+      udpPortNumber(portno), eth(e), udpSocketBufferSize(us),
       actualUDPSocketBufferSize(as), framesPerFile(fpf), frameDiscardMode(fdp),
       activated(act), detectorDataStream(detds), silentMode(sm) {
     LOG(logDEBUG) << "Listener " << ind << " created";
@@ -40,8 +40,8 @@ uint64_t Listener::GetLastFrameIndexCaught() const {
     return lastCaughtFrameIndex;
 }
 
-uint64_t Listener::GetNumMissingPacket(bool stoppedFlag,
-                                       uint64_t numPackets) const {
+int64_t Listener::GetNumMissingPacket(bool stoppedFlag,
+                                      uint64_t numPackets) const {
     if (!stoppedFlag) {
         return (numPackets - numPacketsCaught);
     }
diff --git a/slsReceiverSoftware/src/Listener.h b/slsReceiverSoftware/src/Listener.h
index 7afafcf91..18dbf3ef5 100644
--- a/slsReceiverSoftware/src/Listener.h
+++ b/slsReceiverSoftware/src/Listener.h
@@ -32,7 +32,6 @@ class Listener : private virtual slsDetectorDefs, public ThreadObject {
      * @param s pointer to receiver status
      * @param portno pointer to udp port number
      * @param e ethernet interface
-     * @param nf pointer to number of images to catch
      * @param dr pointer to dynamic range
      * @param us pointer to udp socket buffer size
      * @param as pointer to actual udp socket buffer size
@@ -43,9 +42,8 @@ class Listener : private virtual slsDetectorDefs, public ThreadObject {
      * @param sm pointer to silent mode
      */
     Listener(int ind, detectorType dtype, Fifo *f, std::atomic<runStatus> *s,
-             uint32_t *portno, std::string *e, uint64_t *nf, int *us, int *as,
-             uint32_t *fpf, frameDiscardPolicy *fdp, bool *act, bool *detds,
-             bool *sm);
+             uint32_t *portno, std::string *e, int *us, int *as, uint32_t *fpf,
+             frameDiscardPolicy *fdp, bool *act, bool *detds, bool *sm);
 
     /**
      * Destructor
@@ -65,8 +63,8 @@ class Listener : private virtual slsDetectorDefs, public ThreadObject {
      */
     uint64_t GetLastFrameIndexCaught() const;
 
-    /** Get  number of missing packets */
-    uint64_t GetNumMissingPacket(bool stoppedFlag, uint64_t numPackets) const;
+    /** Get  number of missing packets, returns negative values in case to extra packet */
+    int64_t GetNumMissingPacket(bool stoppedFlag, uint64_t numPackets) const;
 
     /**
      * Set Fifo pointer to the one given
@@ -171,9 +169,6 @@ class Listener : private virtual slsDetectorDefs, public ThreadObject {
     /** ethernet interface */
     std::string *eth;
 
-    /** Number of Images to catch */
-    uint64_t *numImages;
-
     /** UDP Socket Buffer Size */
     int *udpSocketBufferSize;