diff --git a/HISTORY b/HISTORY
index 6d2651f6..343f3ef1 100644
--- a/HISTORY
+++ b/HISTORY
@@ -9348,7 +9348,7 @@ Video Disk Recorder Revision History
   Senzel).
 - Official release.
 
-2019-05-27: Version 2.4.1
+2019-05-28: Version 2.4.1
 
 - Fixed handling the tfRecording flag in the SVDRP commands MODT and UPDT (reported
   by Johann Friedrichs).
@@ -9412,3 +9412,5 @@ Video Disk Recorder Revision History
 - Increased PLAYERBUFSIZE to (MAXFRAMESIZE * 5) to avoid stuttering replay under heavy
   system load, and to better document that this buffer size is related to the maximum
   frame size.
+- Fixed inconsistent behavior in case only certain devices are used (selected by the '-D'
+  option).
diff --git a/ci.c b/ci.c
index 8c4d7c6b..36864522 100644
--- a/ci.c
+++ b/ci.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: ci.c 4.25 2019/05/06 11:47:42 kls Exp $
+ * $Id: ci.c 4.26 2019/05/28 15:01:29 kls Exp $
  */
 
 #include "ci.h"
@@ -2233,14 +2233,14 @@ bool cCamSlot::Assign(cDevice *Device, bool Query)
   return false;
 }
 
-bool cCamSlot::Devices(cVector<int> &CardIndexes)
+bool cCamSlot::Devices(cVector<int> &DeviceNumbers)
 {
   cMutexLock MutexLock(&mutex);
   if (mtdHandler)
-     return mtdHandler->Devices(CardIndexes);
+     return mtdHandler->Devices(DeviceNumbers);
   if (assignedDevice)
-     CardIndexes.Append(assignedDevice->CardIndex());
-  return CardIndexes.Size() > 0;
+     DeviceNumbers.Append(assignedDevice->DeviceNumber());
+  return DeviceNumbers.Size() > 0;
 }
 
 void cCamSlot::NewConnection(void)
diff --git a/ci.h b/ci.h
index 3db0340a..df2d1564 100644
--- a/ci.h
+++ b/ci.h
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: ci.h 4.13 2019/03/19 14:58:00 kls Exp $
+ * $Id: ci.h 4.14 2019/05/28 14:58:08 kls Exp $
  */
 
 #ifndef __CI_H
@@ -331,9 +331,9 @@ public:
        ///< class function.
   cDevice *Device(void) { return assignedDevice; }
        ///< Returns the device this CAM slot is currently assigned to.
-  bool Devices(cVector<int> &CardIndexes);
-       ///< Adds the card indexes of any devices that currently use this CAM to
-       ///< the given CardIndexes. This can be more than one in case of MTD.
+  bool Devices(cVector<int> &DeviceNumbers);
+       ///< Adds the numbers of any devices that currently use this CAM to
+       ///< the given DeviceNumbers. This can be more than one in case of MTD.
        ///< Returns true if the array is not empty.
   bool WantsTsData(void) const { return caPidReceiver != NULL; }
        ///< Returns true if this CAM slot wants to receive the TS data through
diff --git a/device.c b/device.c
index 873734e4..147eecbf 100644
--- a/device.c
+++ b/device.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: device.c 4.29 2019/05/06 13:10:36 kls Exp $
+ * $Id: device.c 4.30 2019/05/28 14:50:11 kls Exp $
  */
 
 #include "device.h"
@@ -75,9 +75,9 @@ cDevice::cDevice(void)
 :patPmtParser(true)
 {
   cardIndex = nextCardIndex++;
-  dsyslog("new device number %d", CardIndex() + 1);
+  dsyslog("new device number %d (card index %d)", numDevices + 1, CardIndex() + 1);
 
-  SetDescription("device %d receiver", CardIndex() + 1);
+  SetDescription("device %d receiver", numDevices + 1);
 
   mute = false;
   volume = Setup.CurrentVolume;
@@ -230,11 +230,11 @@ static int GetClippedNumProvidedSystems(int AvailableBits, cDevice *Device)
   int MaxNumProvidedSystems = (1 << AvailableBits) - 1;
   int NumProvidedSystems = Device->NumProvidedSystems();
   if (NumProvidedSystems > MaxNumProvidedSystems) {
-     esyslog("ERROR: device %d supports %d modulation systems but cDevice::GetDevice() currently only supports %d delivery systems which should be fixed", Device->CardIndex() + 1, NumProvidedSystems, MaxNumProvidedSystems);
+     esyslog("ERROR: device %d supports %d modulation systems but cDevice::GetDevice() currently only supports %d delivery systems which should be fixed", Device->DeviceNumber() + 1, NumProvidedSystems, MaxNumProvidedSystems);
      NumProvidedSystems = MaxNumProvidedSystems;
      }
   else if (NumProvidedSystems <= 0) {
-     esyslog("ERROR: device %d reported an invalid number (%d) of supported delivery systems - assuming 1", Device->CardIndex() + 1, NumProvidedSystems);
+     esyslog("ERROR: device %d reported an invalid number (%d) of supported delivery systems - assuming 1", Device->DeviceNumber() + 1, NumProvidedSystems);
      NumProvidedSystems = 1;
      }
   return NumProvidedSystems;
@@ -272,7 +272,7 @@ cDevice *cDevice::GetDevice(const cChannel *Channel, int Priority, bool LiveView
       if (NumUsableSlots && SlotPriority[j] > MAXPRIORITY)
          continue; // there is no CAM available in this slot
       for (int i = 0; i < numDevices; i++) {
-          if (Channel->Ca() && Channel->Ca() <= CA_DVB_MAX && Channel->Ca() != device[i]->CardIndex() + 1)
+          if (Channel->Ca() && Channel->Ca() <= CA_DVB_MAX && Channel->Ca() != device[i]->DeviceNumber() + 1)
              continue; // a specific card was requested, but not this one
           bool HasInternalCam = device[i]->HasInternalCam();
           if (InternalCamNeeded && !HasInternalCam)
@@ -525,7 +525,7 @@ void cDevice::GetOsdSize(int &Width, int &Height, double &PixelAspect)
   PixelAspect = 1.0;
 }
 
-//#define PRINTPIDS(s) { char b[500]; char *q = b; q += sprintf(q, "%d %s ", CardIndex(), s); for (int i = 0; i < MAXPIDHANDLES; i++) q += sprintf(q, " %s%4d %d", i == ptOther ? "* " : "", pidHandles[i].pid, pidHandles[i].used); dsyslog("%s", b); }
+//#define PRINTPIDS(s) { char b[500]; char *q = b; q += sprintf(q, "%d %s ", DeviceNumber() + 1, s); for (int i = 0; i < MAXPIDHANDLES; i++) q += sprintf(q, " %s%4d %d", i == ptOther ? "* " : "", pidHandles[i].pid, pidHandles[i].used); dsyslog("%s", b); }
 #define PRINTPIDS(s)
 
 bool cDevice::HasPid(int Pid) const
@@ -560,7 +560,7 @@ bool cDevice::AddPid(int Pid, ePidType PidType, int StreamType)
            // It's a special PID that may have to be switched into "tap" mode
            PRINTPIDS("A");
            if (!SetPid(&pidHandles[n], n, true)) {
-              esyslog("ERROR: can't set PID %d on device %d", Pid, CardIndex() + 1);
+              esyslog("ERROR: can't set PID %d on device %d", Pid, DeviceNumber() + 1);
               if (PidType <= ptTeletext)
                  DetachAll(Pid);
               DelPid(Pid, PidType);
@@ -581,7 +581,7 @@ bool cDevice::AddPid(int Pid, ePidType PidType, int StreamType)
         n = a;
         }
      else {
-        esyslog("ERROR: no free slot for PID %d on device %d", Pid, CardIndex() + 1);
+        esyslog("ERROR: no free slot for PID %d on device %d", Pid, DeviceNumber() + 1);
         return false;
         }
      if (n >= 0) {
@@ -590,7 +590,7 @@ bool cDevice::AddPid(int Pid, ePidType PidType, int StreamType)
         pidHandles[n].used = 1;
         PRINTPIDS("C");
         if (!SetPid(&pidHandles[n], n, true)) {
-           esyslog("ERROR: can't set PID %d on device %d", Pid, CardIndex() + 1);
+           esyslog("ERROR: can't set PID %d on device %d", Pid, DeviceNumber() + 1);
            if (PidType <= ptTeletext)
               DetachAll(Pid);
            DelPid(Pid, PidType);
@@ -1758,7 +1758,7 @@ bool cDevice::AttachReceiver(cReceiver *Receiver)
 #ifdef WAIT_FOR_TUNER_LOCK
 #define TUNER_LOCK_TIMEOUT 5000 // ms
   if (!HasLock(TUNER_LOCK_TIMEOUT)) {
-     esyslog("ERROR: device %d has no lock, can't attach receiver!", CardIndex() + 1);
+     esyslog("ERROR: device %d has no lock, can't attach receiver!", DeviceNumber() + 1);
      return false;
      }
 #endif
@@ -1849,11 +1849,11 @@ void cDevice::DetachAllReceivers(void)
 
 // --- cTSBuffer -------------------------------------------------------------
 
-cTSBuffer::cTSBuffer(int File, int Size, int CardIndex)
+cTSBuffer::cTSBuffer(int File, int Size, int DeviceNumber)
 {
-  SetDescription("device %d TS buffer", CardIndex);
+  SetDescription("device %d TS buffer", DeviceNumber);
   f = File;
-  cardIndex = CardIndex;
+  deviceNumber = DeviceNumber;
   delivered = 0;
   ringBuffer = new cRingBufferLinear(Size, TS_SIZE, true, "TS");
   ringBuffer->SetTimeouts(100, 100);
@@ -1878,7 +1878,7 @@ void cTSBuffer::Action(void)
               int r = ringBuffer->Read(f);
               if (r < 0 && FATALERRNO) {
                  if (errno == EOVERFLOW)
-                    esyslog("ERROR: driver buffer overflow on device %d", cardIndex);
+                    esyslog("ERROR: driver buffer overflow on device %d", deviceNumber);
                  else {
                     LOG_ERROR;
                     break;
@@ -1909,7 +1909,7 @@ uchar *cTSBuffer::Get(int *Available, bool CheckAvailable)
                }
             }
         ringBuffer->Del(Count);
-        esyslog("ERROR: skipped %d bytes to sync on TS packet on device %d", Count, cardIndex);
+        esyslog("ERROR: skipped %d bytes to sync on TS packet on device %d", Count, deviceNumber);
         return NULL;
         }
      delivered = TS_SIZE;
diff --git a/device.h b/device.h
index ce0b0d27..39621a3c 100644
--- a/device.h
+++ b/device.h
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: device.h 4.12 2017/11/02 14:47:33 kls Exp $
+ * $Id: device.h 4.13 2019/05/28 14:47:09 kls Exp $
  */
 
 #ifndef __DEVICE_H
@@ -861,12 +861,12 @@ public:
 class cTSBuffer : public cThread {
 private:
   int f;
-  int cardIndex;
+  int deviceNumber;
   int delivered;
   cRingBufferLinear *ringBuffer;
   virtual void Action(void);
 public:
-  cTSBuffer(int File, int Size, int CardIndex);
+  cTSBuffer(int File, int Size, int DeviceNumber);
   virtual ~cTSBuffer();
   uchar *Get(int *Available = NULL, bool CheckAvailable = false);
      ///< Returns a pointer to the first TS packet in the buffer. If Available is given,
diff --git a/dvbdevice.c b/dvbdevice.c
index 2763bf66..70671b30 100644
--- a/dvbdevice.c
+++ b/dvbdevice.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: dvbdevice.c 4.20 2019/03/15 14:49:44 kls Exp $
+ * $Id: dvbdevice.c 4.21 2019/05/28 14:40:49 kls Exp $
  */
 
 #include "dvbdevice.h"
@@ -738,7 +738,7 @@ cString cDvbTuner::GetBondingParams(const cChannel *Channel) const
      Channel = &channel;
   cDvbTransponderParameters dtp(Channel->Parameters());
   if (Setup.DiSEqC) {
-     if (const cDiseqc *diseqc = Diseqcs.Get(device->CardIndex() + 1, Channel->Source(), Channel->Frequency(), dtp.Polarization(), NULL))
+     if (const cDiseqc *diseqc = Diseqcs.Get(device->DeviceNumber() + 1, Channel->Source(), Channel->Frequency(), dtp.Polarization(), NULL))
         return diseqc->Commands();
      }
   else {
@@ -1558,7 +1558,7 @@ bool cDvbTuner::SetFrontend(void)
   if (frontendType == SYS_DVBS || frontendType == SYS_DVBS2) {
      int frequency = channel.Frequency();
      if (Setup.DiSEqC) {
-        if (const cDiseqc *diseqc = Diseqcs.Get(device->CardIndex() + 1, channel.Source(), frequency, dtp.Polarization(), &scr)) {
+        if (const cDiseqc *diseqc = Diseqcs.Get(device->DeviceNumber() + 1, channel.Source(), frequency, dtp.Polarization(), &scr)) {
            frequency -= diseqc->Lof();
            if (diseqc != lastDiseqc || diseqc->IsScr() || diseqc->Position() >= 0 && channel.Source() != lastSource) {
               if (IsBondedMaster()) {
@@ -1939,8 +1939,10 @@ bool cDvbDevice::Initialize(void)
                  while ((f = AdapterDir.Next()) != NULL) {
                        if (strstr(f->d_name, DEV_DVB_FRONTEND) == f->d_name) {
                           int Frontend = strtol(f->d_name + strlen(DEV_DVB_FRONTEND), NULL, 10);
-                          if (access(DvbName(DEV_DVB_DEMUX, Adapter, Frontend), F_OK) == 0) // we only create devices for actual demuxes
+                          if (access(DvbName(DEV_DVB_DEMUX, Adapter, Frontend), F_OK) == 0) { // we only create devices for actual demuxes
+                             dsyslog("detected /dev/dvb/adapter%d/frontend%d", Adapter, Frontend);
                              Nodes.Append(strdup(cString::sprintf("%2d %2d", Adapter, Frontend)));
+                             }
                           }
                        }
                  }
@@ -1962,8 +1964,10 @@ bool cDvbDevice::Initialize(void)
                      if (Probe(Adapter, Frontend))
                         Used++;
                      }
-                  else
+                  else {
+                     dsyslog("skipped /dev/dvb/adapter%d/frontend%d", Adapter, Frontend);
                      NextCardIndex(1); // skips this one
+                     }
                   }
                }
             }
@@ -2037,18 +2041,18 @@ bool cDvbDevice::Bond(cDvbDevice *Device)
            if (dvbTuner && Device->dvbTuner && dvbTuner->Bond(Device->dvbTuner)) {
               bondedDevice = Device->bondedDevice ? Device->bondedDevice : Device;
               Device->bondedDevice = this;
-              dsyslog("device %d bonded with device %d", CardIndex() + 1, bondedDevice->CardIndex() + 1);
+              dsyslog("device %d bonded with device %d", DeviceNumber() + 1, bondedDevice->DeviceNumber() + 1);
               return true;
               }
            }
         else
-           esyslog("ERROR: can't bond device %d with device %d (only DVB-S(2) devices can be bonded)", CardIndex() + 1, Device->CardIndex() + 1);
+           esyslog("ERROR: can't bond device %d with device %d (only DVB-S(2) devices can be bonded)", DeviceNumber() + 1, Device->DeviceNumber() + 1);
         }
      else
-        esyslog("ERROR: can't bond device %d with itself", CardIndex() + 1);
+        esyslog("ERROR: can't bond device %d with itself", DeviceNumber() + 1);
      }
   else
-     esyslog("ERROR: device %d already bonded with device %d, can't bond with device %d", CardIndex() + 1, bondedDevice->CardIndex() + 1, Device->CardIndex() + 1);
+     esyslog("ERROR: device %d already bonded with device %d, can't bond with device %d", DeviceNumber() + 1, bondedDevice->DeviceNumber() + 1, Device->DeviceNumber() + 1);
   return false;
 }
 
@@ -2058,7 +2062,7 @@ void cDvbDevice::UnBond(void)
   if (cDvbDevice *d = bondedDevice) {
      if (dvbTuner)
         dvbTuner->UnBond();
-     dsyslog("device %d unbonded from device %d", CardIndex() + 1, bondedDevice->CardIndex() + 1);
+     dsyslog("device %d unbonded from device %d", DeviceNumber() + 1, bondedDevice->DeviceNumber() + 1);
      while (d->bondedDevice != this)
            d = d->bondedDevice;
      if (d == bondedDevice)
@@ -2174,7 +2178,7 @@ bool cDvbDevice::ProvidesTransponder(const cChannel *Channel) const
      return false; // requires modulation system which frontend doesn't provide
   cDvbTransponderParameters dtp(Channel->Parameters());
   if (!cSource::IsSat(Channel->Source()) ||
-     (!Setup.DiSEqC || Diseqcs.Get(CardIndex() + 1, Channel->Source(), Channel->Frequency(), dtp.Polarization(), NULL)))
+     (!Setup.DiSEqC || Diseqcs.Get(DeviceNumber() + 1, Channel->Source(), Channel->Frequency(), dtp.Polarization(), NULL)))
      return DeviceHooksProvidesTransponder(Channel);
   return false;
 }
@@ -2298,7 +2302,7 @@ bool cDvbDevice::OpenDvr(void)
   CloseDvr();
   fd_dvr = DvbOpen(DEV_DVB_DVR, adapter, frontend, O_RDONLY | O_NONBLOCK, true);
   if (fd_dvr >= 0)
-     tsBuffer = new cTSBuffer(fd_dvr, MEGABYTE(5), CardIndex() + 1);
+     tsBuffer = new cTSBuffer(fd_dvr, MEGABYTE(5), DeviceNumber() + 1);
   return fd_dvr >= 0;
 }
 
diff --git a/menu.c b/menu.c
index 22bdab57..76095481 100644
--- a/menu.c
+++ b/menu.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: menu.c 4.79 2019/03/18 16:14:06 kls Exp $
+ * $Id: menu.c 4.80 2019/05/28 15:24:43 kls Exp $
  */
 
 #include "menu.h"
@@ -3892,16 +3892,16 @@ bool cMenuSetupCAMItem::Changed(void)
   else if (camSlot->IsActivating())
      // TRANSLATORS: note the leading blank!
      Activating = tr(" (activating)");
-  cVector<int> CardIndexes;
+  cVector<int> DeviceNumbers;
   for (cCamSlot *CamSlot = CamSlots.First(); CamSlot; CamSlot = CamSlots.Next(CamSlot)) {
       if (CamSlot == camSlot || CamSlot->MasterSlot() == camSlot)
-         CamSlot->Devices(CardIndexes);
+         CamSlot->Devices(DeviceNumbers);
       }
-  if (CardIndexes.Size() > 0) {
+  if (DeviceNumbers.Size() > 0) {
      AssignedDevice = cString::sprintf(" %s", tr("@ device"));
-     CardIndexes.Sort(CompareInts);
-     for (int i = 0; i < CardIndexes.Size(); i++)
-         AssignedDevice = cString::sprintf("%s %d", *AssignedDevice, CardIndexes[i] + 1);
+     DeviceNumbers.Sort(CompareInts);
+     for (int i = 0; i < DeviceNumbers.Size(); i++)
+         AssignedDevice = cString::sprintf("%s %d", *AssignedDevice, DeviceNumbers[i]);
      }
 
   cString buffer = cString::sprintf(" %d %s%s%s", camSlot->SlotNumber(), CamName, *AssignedDevice, Activating);
@@ -5231,7 +5231,7 @@ cRecordControl::cRecordControl(cDevice *Device, cTimers *Timers, cTimer *Timer,
   if (!timer) {
      timer = new cTimer(true, Pause);
      Timers->Add(timer);
-     instantId = cString::sprintf(cDevice::NumDevices() > 1 ? "%s - %d" : "%s", timer->Channel()->Name(), device->CardIndex() + 1);
+     instantId = cString::sprintf(cDevice::NumDevices() > 1 ? "%s - %d" : "%s", timer->Channel()->Name(), device->DeviceNumber() + 1);
      }
   timer->SetPending(true);
   timer->SetRecording(true);
diff --git a/mtd.c b/mtd.c
index ae07548d..463c1d3e 100644
--- a/mtd.c
+++ b/mtd.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: mtd.c 1.13 2019/05/05 13:56:46 kls Exp $
+ * $Id: mtd.c 1.14 2019/05/28 14:59:47 kls Exp $
  */
 
 #include "mtd.h"
@@ -127,11 +127,11 @@ bool cMtdHandler::IsActivating(void)
   return false;
 }
 
-bool cMtdHandler::Devices(cVector<int> &CardIndexes)
+bool cMtdHandler::Devices(cVector<int> &DeviceNumbers)
 {
   for (int i = 0; i < camSlots.Size(); i++)
-      camSlots[i]->Devices(CardIndexes);
-  return CardIndexes.Size() > 0;
+      camSlots[i]->Devices(DeviceNumbers);
+  return DeviceNumbers.Size() > 0;
 }
 
 void cMtdHandler::UnAssignAll(void)
diff --git a/mtd.h b/mtd.h
index 2be5f3dc..9dcc1bd0 100644
--- a/mtd.h
+++ b/mtd.h
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: mtd.h 1.8 2017/05/01 09:19:21 kls Exp $
+ * $Id: mtd.h 1.9 2019/05/28 15:00:10 kls Exp $
  */
 
 #ifndef __MTD_H
@@ -136,9 +136,9 @@ public:
       ///< Tells all active MTD CAM slots to cancel activation.
   bool IsActivating(void);
       ///< Returns true if any of the active MTD CAM slots is currently activating.
-  bool Devices(cVector<int> &CardIndexes);
-      ///< Adds the card indexes of the devices of any active MTD CAM slots to
-      ///< the given CardIndexes.
+  bool Devices(cVector<int> &DeviceNumbers);
+      ///< Adds the numbers of the devices of any active MTD CAM slots to
+      ///< the given DeviceNumbers.
       ///< Returns true if the array is not empty.
   void UnAssignAll(void);
       ///< Unassigns all MTD CAM slots from their devices.
diff --git a/sections.c b/sections.c
index 32d80de9..4f076ad0 100644
--- a/sections.c
+++ b/sections.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: sections.c 3.1 2015/01/14 11:35:53 kls Exp $
+ * $Id: sections.c 4.1 2019/05/28 14:09:04 kls Exp $
  */
 
 #include "sections.h"
@@ -44,7 +44,7 @@ cSectionHandler::cSectionHandler(cDevice *Device)
 {
   shp = new cSectionHandlerPrivate;
   device = Device;
-  SetDescription("device %d section handler", device->CardIndex() + 1);
+  SetDescription("device %d section handler", device->DeviceNumber() + 1);
   statusCount = 0;
   on = false;
   waitForLock = false;