Skip to content
  • Categories
  • Recent
  • Tags
  • Popular
  • Users
  • Groups
  • Search
  • Get Qt Extensions
  • Unsolved
Collapse
Brand Logo
  1. Home
  2. Qt Development
  3. General and Desktop
  4. could not find qtplatfom plugin eglfs
Qt 6.11 is out! See what's new in the release blog

could not find qtplatfom plugin eglfs

Scheduled Pinned Locked Moved Unsolved General and Desktop
81 Posts 5 Posters 97.3k Views 2 Watching
  • Oldest to Newest
  • Newest to Oldest
  • Most Votes
Reply
  • Reply as topic
Log in to reply
This topic has been deleted. Only users with topic management privileges can see it.
  • jsulmJ jsulm

    @Asha said in could not find qtplatfom plugin eglfs:

    rsync -avz debian@192.168.7.2:/usr /home/beagle/BBB/sysroot
    OR
    rsync -avz debian@192.168.7.2:/usr /home/beagle

    Well, if you use /home/beagle you will pollute your home directory with the sysroot content, so use /home/beagle/BBB/sysroot ...

    A Offline
    A Offline
    Asha
    wrote on last edited by
    #16

    @jsulm Hi,

    After giving this,getting the same error,there is no changes..

    1 Reply Last reply
    0
    • K Ketank16

      Even if you don't have the Qt folder on beaglebone at same location, you can export the following environment variables on BBB and be able to run your Qt application in it.

      export QT_QPA_PLATFORM_PLUGIN_PATH=/home/debian/(Qt folder name)/plugins/platforms
      export LD_LIBRARY_PATH="/home/debian/(Qt folder name)/lib":$LD_LIBRARY_PATH
      export QT_PLUGIN_PATH=/home/debian/(Qt folder name)/plugins
      export QT_QPA_FONTDIR=/home/debian/(Qt folder name)/lib/fonts
      

      Main thing you need to check is do you have eglfs as platform in the first place? Because I'm working on a BBB myself, and my application isn't in critical need of eglfs, but normally with BBB sysroot and linaro toolchain combo, you don't get eglfs working. You should check the path /home/debian/(Qt folder name)/plugins/platforms before using any app whether you have a library for eglfs there. If you do, then the commands above will point the Qt application to right folder and it will detect eglfs as platform plugin.

      A Offline
      A Offline
      Asha
      wrote on last edited by
      #17

      @Ketank16 Hi,

      can you please show me the, any .pro file,

      I am very confused with this target.path file..

      I followed this..target.png

      here is my .pro filetarget.pro.png

      what i gave target.path, is it correct?

      if its correct I am getting the error as shown in screenshot,

      for that error solution ,I gave all the rights(rwx) to the /home/beagle/Qt5.13.1 directory then also getting the same error,any suggestions please....

      1 Reply Last reply
      0
      • A Offline
        A Offline
        Asha
        wrote on last edited by
        #18

        Hi,

        Any ideas?

        Pablo J. RoginaP 1 Reply Last reply
        0
        • A Asha

          Hi,

          Any ideas?

          Pablo J. RoginaP Offline
          Pablo J. RoginaP Offline
          Pablo J. Rogina
          wrote on last edited by
          #19

          @Asha I think the problem is the $$[Qt5] placeholder in the value for target.path variable in your .pro
          what if you just make it simple as target.path=/home/beagle/Qt5.13.1

          PS: please STOP pasting pictures and just paste TEXT so it's easier for others to reference your posts...

          Upvote the answer(s) that helped you solve the issue
          Use "Topic Tools" button to mark your post as Solved
          Add screenshots via postimage.org
          Don't ask support requests via chat/PM. Please use the forum so others can benefit from the solution in the future

          A 1 Reply Last reply
          1
          • Pablo J. RoginaP Pablo J. Rogina

            @Asha I think the problem is the $$[Qt5] placeholder in the value for target.path variable in your .pro
            what if you just make it simple as target.path=/home/beagle/Qt5.13.1

            PS: please STOP pasting pictures and just paste TEXT so it's easier for others to reference your posts...

            A Offline
            A Offline
            Asha
            wrote on last edited by
            #20

            @Pablo-J-Rogina

            Good morning ,

            Thanks for the replay,

            After giving /home/beagle/Qt5.13.1 in my .pro file also getting the same problem...

            Here is the compile output:

            10:22:04: Running steps for project concentriccircles...
            10:22:04: Configuration unchanged, skipping qmake step.
            10:22:04: Starting: "/usr/bin/make" -j4
            make: Nothing to be done for 'first'.
            10:22:04: The process "/usr/bin/make" exited normally.
            10:22:04: Connecting to device "Generic Linux Device" (192.168.7.2).
            10:22:08: The remote file system has 49 megabytes of free space, going ahead.
            10:22:08: Deploy step finished.
            10:22:08: Trying to kill "/home/beagle/Qt5.13.1/concentriccircles" on remote device...
            10:22:11: Remote application killed.
            10:22:11: Deploy step finished.
            10:22:11: Failed to create remote directories: mkdir: cannot create directory ‘/home/beagle’: Permission denied

            10:22:11: Deploy step failed.
            Error while building/deploying project concentriccircles (kit: BBB)
            When executing step "Deploy files via rsync"
            10:22:11: Elapsed time: 00:07.

            jsulmJ 1 Reply Last reply
            0
            • A Asha

              @Pablo-J-Rogina

              Good morning ,

              Thanks for the replay,

              After giving /home/beagle/Qt5.13.1 in my .pro file also getting the same problem...

              Here is the compile output:

              10:22:04: Running steps for project concentriccircles...
              10:22:04: Configuration unchanged, skipping qmake step.
              10:22:04: Starting: "/usr/bin/make" -j4
              make: Nothing to be done for 'first'.
              10:22:04: The process "/usr/bin/make" exited normally.
              10:22:04: Connecting to device "Generic Linux Device" (192.168.7.2).
              10:22:08: The remote file system has 49 megabytes of free space, going ahead.
              10:22:08: Deploy step finished.
              10:22:08: Trying to kill "/home/beagle/Qt5.13.1/concentriccircles" on remote device...
              10:22:11: Remote application killed.
              10:22:11: Deploy step finished.
              10:22:11: Failed to create remote directories: mkdir: cannot create directory ‘/home/beagle’: Permission denied

              10:22:11: Deploy step failed.
              Error while building/deploying project concentriccircles (kit: BBB)
              When executing step "Deploy files via rsync"
              10:22:11: Elapsed time: 00:07.

              jsulmJ Offline
              jsulmJ Offline
              jsulm
              Lifetime Qt Champion
              wrote on last edited by
              #21

              @Asha Does /home/beagle directory exist on your device?

              https://forum.qt.io/topic/113070/qt-code-of-conduct

              A 1 Reply Last reply
              0
              • jsulmJ jsulm

                @Asha Does /home/beagle directory exist on your device?

                A Offline
                A Offline
                Asha
                wrote on last edited by
                #22

                @jsulm

                /home/beagle does not exit on my device,
                I installed Qt in my laptop(location is: /home/beagle/Qt5.13.1)

                I copied the cross compiled qt in my device(location is : /home/debian/Qt5),

                one more thing,I want to tell

                my user password is :1234

                I am trying to connect ssh via root,but giving the password 1234 ,I am not able to connect with my board ,getting the permission denied error,

                but giving the password "ims1" ,I am able to login via root,
                where "ims1" is my old user password ,is this may cause any issues?

                jsulmJ 1 Reply Last reply
                0
                • A Asha

                  @jsulm

                  /home/beagle does not exit on my device,
                  I installed Qt in my laptop(location is: /home/beagle/Qt5.13.1)

                  I copied the cross compiled qt in my device(location is : /home/debian/Qt5),

                  one more thing,I want to tell

                  my user password is :1234

                  I am trying to connect ssh via root,but giving the password 1234 ,I am not able to connect with my board ,getting the permission denied error,

                  but giving the password "ims1" ,I am able to login via root,
                  where "ims1" is my old user password ,is this may cause any issues?

                  jsulmJ Offline
                  jsulmJ Offline
                  jsulm
                  Lifetime Qt Champion
                  wrote on last edited by
                  #23

                  @Asha said in could not find qtplatfom plugin eglfs:

                  /home/beagle does not exit on my device

                  Well, that's the problem: only root has write access in /home.
                  Why do you use /home/beagle if your user is debian?!
                  Use /home/debian ...

                  https://forum.qt.io/topic/113070/qt-code-of-conduct

                  A 1 Reply Last reply
                  0
                  • jsulmJ jsulm

                    @Asha said in could not find qtplatfom plugin eglfs:

                    /home/beagle does not exit on my device

                    Well, that's the problem: only root has write access in /home.
                    Why do you use /home/beagle if your user is debian?!
                    Use /home/debian ...

                    A Offline
                    A Offline
                    Asha
                    wrote on last edited by
                    #24

                    @jsulm

                    while giving the /home/debian

                    here is the compile output:
                    11:13:06: Running steps for project concentriccircles...
                    11:13:06: Configuration unchanged, skipping qmake step.
                    11:13:06: Starting: "/usr/bin/make" -j4
                    make: Nothing to be done for 'first'.
                    11:13:06: The process "/usr/bin/make" exited normally.
                    11:13:06: The remote file system has 46 megabytes of free space, going ahead.
                    11:13:06: Deploy step finished.
                    11:13:06: Trying to kill "/home/debian/Qt5/concentriccircles" on remote device...
                    11:13:08: Remote application killed.
                    11:13:08: Deploy step finished.
                    11:13:08: sending incremental file list

                    11:13:08:
                    sent 72 bytes received 12 bytes 168.00 bytes/sec
                    total size is 1,576,416 speedup is 18,766.86

                    11:13:08: Deploy step finished.
                    11:13:08: Elapsed time: 00:03.

                    And

                    Application output is:

                    11:13:09: Starting /home/debian/Qt5/concentriccircles ...
                    qt.qpa.plugin: Could not find the Qt platform plugin "eglfs" in ""
                    This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

                    Available platform plugins are: linuxfb, minimal, offscreen, vnc.

                    11:13:09: Remote process crashed.

                    jsulmJ 1 Reply Last reply
                    0
                    • A Asha

                      @jsulm

                      while giving the /home/debian

                      here is the compile output:
                      11:13:06: Running steps for project concentriccircles...
                      11:13:06: Configuration unchanged, skipping qmake step.
                      11:13:06: Starting: "/usr/bin/make" -j4
                      make: Nothing to be done for 'first'.
                      11:13:06: The process "/usr/bin/make" exited normally.
                      11:13:06: The remote file system has 46 megabytes of free space, going ahead.
                      11:13:06: Deploy step finished.
                      11:13:06: Trying to kill "/home/debian/Qt5/concentriccircles" on remote device...
                      11:13:08: Remote application killed.
                      11:13:08: Deploy step finished.
                      11:13:08: sending incremental file list

                      11:13:08:
                      sent 72 bytes received 12 bytes 168.00 bytes/sec
                      total size is 1,576,416 speedup is 18,766.86

                      11:13:08: Deploy step finished.
                      11:13:08: Elapsed time: 00:03.

                      And

                      Application output is:

                      11:13:09: Starting /home/debian/Qt5/concentriccircles ...
                      qt.qpa.plugin: Could not find the Qt platform plugin "eglfs" in ""
                      This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

                      Available platform plugins are: linuxfb, minimal, offscreen, vnc.

                      11:13:09: Remote process crashed.

                      jsulmJ Offline
                      jsulmJ Offline
                      jsulm
                      Lifetime Qt Champion
                      wrote on last edited by
                      #25

                      @Asha said in could not find qtplatfom plugin eglfs:

                      linuxfb, minimal, offscreen, vnc

                      Looks like you did not build eglfs support when building Qt

                      https://forum.qt.io/topic/113070/qt-code-of-conduct

                      A 1 Reply Last reply
                      0
                      • jsulmJ jsulm

                        @Asha said in could not find qtplatfom plugin eglfs:

                        linuxfb, minimal, offscreen, vnc

                        Looks like you did not build eglfs support when building Qt

                        A Offline
                        A Offline
                        Asha
                        wrote on last edited by
                        #26

                        @jsulm
                        but other platforms like linuxfb and vnc both are enabled while building qt,

                        And I exported linuxfb in my device...

                        one more ,while building I tried with -eglfs option also but got the error like

                        ERROR: 'eglfs' already enabled...

                        jsulmJ 1 Reply Last reply
                        0
                        • A Asha

                          @jsulm
                          but other platforms like linuxfb and vnc both are enabled while building qt,

                          And I exported linuxfb in my device...

                          one more ,while building I tried with -eglfs option also but got the error like

                          ERROR: 'eglfs' already enabled...

                          jsulmJ Offline
                          jsulmJ Offline
                          jsulm
                          Lifetime Qt Champion
                          wrote on last edited by
                          #27

                          @Asha What do you actually want to use? eglfs? linuxfb? ...?
                          Adding -eglfs is not going to help as it is already activated, but your Qt build does not support it.

                          https://forum.qt.io/topic/113070/qt-code-of-conduct

                          A 1 Reply Last reply
                          0
                          • jsulmJ jsulm

                            @Asha What do you actually want to use? eglfs? linuxfb? ...?
                            Adding -eglfs is not going to help as it is already activated, but your Qt build does not support it.

                            A Offline
                            A Offline
                            Asha
                            wrote on last edited by
                            #28

                            @jsulm I just want to run one simple application in my device, by using anyone..

                            jsulmJ 1 Reply Last reply
                            0
                            • A Asha

                              @jsulm I just want to run one simple application in my device, by using anyone..

                              jsulmJ Offline
                              jsulmJ Offline
                              jsulm
                              Lifetime Qt Champion
                              wrote on last edited by
                              #29

                              @Asha Well, I think I already mentioned this once: you have to know what your device actually uses. Is it X11, eglfs, linuxfb, ...?

                              https://forum.qt.io/topic/113070/qt-code-of-conduct

                              A 1 Reply Last reply
                              0
                              • jsulmJ jsulm

                                @Asha Well, I think I already mentioned this once: you have to know what your device actually uses. Is it X11, eglfs, linuxfb, ...?

                                A Offline
                                A Offline
                                Asha
                                wrote on last edited by
                                #30

                                @jsulm

                                can you please tell me more about X11,or any link..what exactly it will do?

                                jsulmJ 1 Reply Last reply
                                0
                                • A Asha

                                  @jsulm

                                  can you please tell me more about X11,or any link..what exactly it will do?

                                  jsulmJ Offline
                                  jsulmJ Offline
                                  jsulm
                                  Lifetime Qt Champion
                                  wrote on last edited by
                                  #31

                                  @Asha Google knows https://en.wikipedia.org/wiki/X_Window_System

                                  https://forum.qt.io/topic/113070/qt-code-of-conduct

                                  A 1 Reply Last reply
                                  0
                                  • jsulmJ jsulm

                                    @Asha Google knows https://en.wikipedia.org/wiki/X_Window_System

                                    A Offline
                                    A Offline
                                    Asha
                                    wrote on last edited by
                                    #32

                                    @jsulm It means first i need to find which backend is running on my device ,based on that I need to cross compile the qt?

                                    jsulmJ 1 Reply Last reply
                                    0
                                    • A Asha

                                      @jsulm It means first i need to find which backend is running on my device ,based on that I need to cross compile the qt?

                                      jsulmJ Offline
                                      jsulmJ Offline
                                      jsulm
                                      Lifetime Qt Champion
                                      wrote on last edited by
                                      #33

                                      @Asha said in could not find qtplatfom plugin eglfs:

                                      i need to find which backend is running on my device

                                      yes

                                      https://forum.qt.io/topic/113070/qt-code-of-conduct

                                      A 1 Reply Last reply
                                      0
                                      • jsulmJ jsulm

                                        @Asha said in could not find qtplatfom plugin eglfs:

                                        i need to find which backend is running on my device

                                        yes

                                        A Offline
                                        A Offline
                                        Asha
                                        wrote on last edited by
                                        #34

                                        @jsulm after finding ,again i need to build ,cross compiled qt?

                                        jsulmJ 1 Reply Last reply
                                        0
                                        • A Asha

                                          @jsulm after finding ,again i need to build ,cross compiled qt?

                                          jsulmJ Offline
                                          jsulmJ Offline
                                          jsulm
                                          Lifetime Qt Champion
                                          wrote on last edited by
                                          #35

                                          @Asha If you did not cross compile needed platform plug-in then yes

                                          https://forum.qt.io/topic/113070/qt-code-of-conduct

                                          A 1 Reply Last reply
                                          0

                                          • Login

                                          • Login or register to search.
                                          • First post
                                            Last post
                                          0
                                          • Categories
                                          • Recent
                                          • Tags
                                          • Popular
                                          • Users
                                          • Groups
                                          • Search
                                          • Get Qt Extensions
                                          • Unsolved