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    SAMSON with hybrid graphics cards (Intel/Nvidia)

    Getting started
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    • Ivan
      Ivan @DmitriyMarin last edited by

      @dmitriymarin

      dia@lenovo:~/NANO-D/SAMSON/0.7.0/Binaries$ ldd ./SAMSON-Core | grep gl
      	libglib-2.0.so.0 => /lib/x86_64-linux-gnu/libglib-2.0.so.0 (0x00007fa0eba45000)
      dia@lenovo:~/NANO-D/SAMSON/0.7.0/Binaries$ ldd ./SAMSON-Core | grep GL
      	libOpenGL.so.0 => /usr/lib/x86_64-linux-gnu/libOpenGL.so.0 (0x00007fdd14161000)
      	libGLX.so.0 => /usr/lib/x86_64-linux-gnu/libGLX.so.0 (0x00007fdd13f2f000)
      	libGLU.so.1 => /usr/lib/x86_64-linux-gnu/libGLU.so.1 (0x00007fdd13cc0000)
      	libSBGLog.so => not found
      	libQt5OpenGL.so.5 => /usr/lib/x86_64-linux-gnu/libQt5OpenGL.so.5 (0x00007fdd13c66000)
      	libGLdispatch.so.0 => /usr/lib/x86_64-linux-gnu/libGLdispatch.so.0 (0x00007fdd121e6000)
      	libGL.so.1 => /usr/lib/x86_64-linux-gnu/libGL.so.1 (0x00007fdd117e4000)
      dia@lenovo:~/NANO-D/SAMSON/0.7.0/Binaries$ optirun glxinfo | grep OpenGL
      OpenGL vendor string: NVIDIA Corporation
      OpenGL renderer string: GeForce GTX 1050/PCIe/SSE2
      OpenGL core profile version string: 4.5.0 NVIDIA 390.87
      OpenGL core profile shading language version string: 4.50 NVIDIA
      OpenGL core profile context flags: (none)
      OpenGL core profile profile mask: core profile
      OpenGL core profile extensions:
      OpenGL version string: 4.6.0 NVIDIA 390.87
      OpenGL shading language version string: 4.60 NVIDIA
      OpenGL context flags: (none)
      OpenGL profile mask: (none)
      OpenGL extensions:
      
      dia@lenovo:~/NANO-D/SAMSON/0.7.0/Binaries$ optirun ldd ./SAMSON-Core | grep gl
      	libglib-2.0.so.0 => /lib/x86_64-linux-gnu/libglib-2.0.so.0 (0x00007f21ab7ff000)
      dia@lenovo:~/NANO-D/SAMSON/0.7.0/Binaries$ optirun ldd ./SAMSON-Core | grep GL
      	libOpenGL.so.0 => /usr/lib/x86_64-linux-gnu/libOpenGL.so.0 (0x00007f440f894000)
      	libGLX.so.0 => /usr/lib/x86_64-linux-gnu/libGLX.so.0 (0x00007f440f662000)
      	libGLU.so.1 => /usr/lib/x86_64-linux-gnu/libGLU.so.1 (0x00007f440f3f3000)
      	libSBGLog.so => not found
      	libQt5OpenGL.so.5 => /usr/lib/x86_64-linux-gnu/libQt5OpenGL.so.5 (0x00007f440f399000)
      	libGLdispatch.so.0 => /usr/lib/x86_64-linux-gnu/libGLdispatch.so.0 (0x00007f440d915000)
      	libGL.so.1 => /usr/lib/x86_64-linux-gnu/primus/libGL.so.1 (0x00007f440cf62000)
      
      

      about libGL version. I can provide synaptic screenshot.
      0_1551425844873_2019-03-01_14-37-01.png

      1 Reply Last reply Reply Quote 0
      • DmitriyMarin
        DmitriyMarin last edited by DmitriyMarin

        @Ivan
        Unfortunately, I do not have a laptop with linux and an Nvidia Optimus GPU now.

        Do you have the Nouveau driver blacklisted or uninstalled? Because it causes some issues on Nvidia Optimus GPUs.
        Does optimus/bumblebee work for you in other apps? What happens if you, for example, execute in the terminal:

        optirun glxgears
        

        Does primusrun work for you? optirun relies on VirtualGL which might cause the issue you have.

        Dmitriy,
        The SAMSON Team, https://s-c.io

        Ivan 1 Reply Last reply Reply Quote 0
        • Ivan
          Ivan last edited by

          optirun glxgears works fine, I am intensively using VMD software with Nvidia. primusrun also runs well.

          I add --logconsole flag in the start script.

          Can this information help?

          dia@lenovo:~/NANO-D/SAMSON/0.7.0/Binaries$ ./SAMSON-Core.sh 
          saving context
          launching SAMSON-Core
          Python found in the system: 
          Python executable:    /usr/bin/python3
          qt.network.ssl: QSslSocket: cannot resolve CRYPTO_num_locks
          qt.network.ssl: QSslSocket: cannot resolve CRYPTO_set_id_callback
          qt.network.ssl: QSslSocket: cannot resolve CRYPTO_set_locking_callback
          qt.network.ssl: QSslSocket: cannot resolve ERR_free_strings
          qt.network.ssl: QSslSocket: cannot resolve EVP_CIPHER_CTX_cleanup
          qt.network.ssl: QSslSocket: cannot resolve EVP_CIPHER_CTX_init
          qt.network.ssl: QSslSocket: cannot resolve sk_new_null
          qt.network.ssl: QSslSocket: cannot resolve sk_push
          qt.network.ssl: QSslSocket: cannot resolve sk_free
          qt.network.ssl: QSslSocket: cannot resolve sk_num
          qt.network.ssl: QSslSocket: cannot resolve sk_pop_free
          qt.network.ssl: QSslSocket: cannot resolve sk_value
          qt.network.ssl: QSslSocket: cannot resolve SSL_library_init
          qt.network.ssl: QSslSocket: cannot resolve SSL_load_error_strings
          qt.network.ssl: QSslSocket: cannot resolve SSL_get_ex_new_index
          qt.network.ssl: QSslSocket: cannot resolve SSLv3_client_method
          qt.network.ssl: QSslSocket: cannot resolve SSLv23_client_method
          qt.network.ssl: QSslSocket: cannot resolve SSLv3_server_method
          qt.network.ssl: QSslSocket: cannot resolve SSLv23_server_method
          qt.network.ssl: QSslSocket: cannot resolve X509_STORE_CTX_get_chain
          qt.network.ssl: QSslSocket: cannot resolve OPENSSL_add_all_algorithms_noconf
          qt.network.ssl: QSslSocket: cannot resolve OPENSSL_add_all_algorithms_conf
          qt.network.ssl: QSslSocket: cannot resolve SSLeay
          qt.network.ssl: QSslSocket: cannot resolve SSLeay_version
          qt.network.ssl: QSslSocket: cannot call unresolved function SSLeay
          qt.network.ssl: Incompatible version of OpenSSL
          libpng warning: iCCP: known incorrect sRGB profile
          =============== SBGPath summary infos ================
          
          ===============
           > SBGPath::getSAMSONPath()                       = /home/dia/NANO-D/SAMSON/0.7.0
           > SBGPath::getSDKPath()                          = .
          ===============
           > SBGPath::getUserDataPath()                     = /home/dia/NANO-D/SAMSON
           > SBGPath::getUserElementPath()                  = /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Elements
           > SBGPath::getUserElementDataPath()              = /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Data/Elements
           > SBGPath::getUserDownloadedElementPath()        = /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Download/Elements
          ===============
           > SBGPath::getDevelopperDataPath()               = 
           > SBGPath::getDevelopperElementPath()            = /Elements
           > SBGPath::getDevelopperElementPackagedPath()    = /Connect/Elements
          ===============
           > SBGPath::getBinaryPath()                       = /home/dia/NANO-D/SAMSON/0.7.0/Binaries
          ===============
           > SBGPath::getCurrentSkinPath()                  = /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Resource/Skins/Default
           > SBGPath::getCursorPath()                       = /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Resource/Skins/Default/Cursors
           > SBGPath::getIconPath()                         = /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Resource/Skins/Default/Icons
           > SBGPath::getImagePath()                        = /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Resource/Skins/Default/Images
           > SBGPath::getSoundPath()                        = /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Resource/Skins/Default/Sounds
           > SBGPath::getSplashScreenPath()                 = /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Resource/Skins/Default/SplashScreens
           > SBGPath::getStylePath()                        = /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Resource/Skins/Default/StyleSheets
          ===============
           > SBGPath::getInterfacePath()                    = /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Resource/Interface
           > SBGPath::getScratchPath()                      = /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Scratch
           > SBGPath::getScratchElementPath()               = /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Scratch/Elements
           > SBGPath::getScratchUpdatesPath()               = /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Scratch/Updates
           > SBGPath::getShaderPath()                       = /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Resource/Shaders
           > SBGPath::getTranslationPath()                  = /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Resource/Translations
          
          =============== SBGPath summary infos ================
          
          "/home/dia/.NANO-D/SAMSON/DATA/0.7.0/Resource/Skins/Default/Cursors"
          "/home/dia/.NANO-D/SAMSON/DATA/0.7.0/Resource/Skins/Default/Icons"
          "/home/dia/.NANO-D/SAMSON/DATA/0.7.0/Elements"
          "/home/dia/.NANO-D/SAMSON/DATA/0.7.0/Scratch"
          "/home/dia/.NANO-D/SAMSON/DATA/0.7.0/Resource/Shaders"
          "/home/dia/.NANO-D/SAMSON/DATA/0.7.0/Resource/Skins/Default/Sounds"
          "/home/dia/.NANO-D/SAMSON/DATA/0.7.0/Resource/Skins/Default/SplashScreens"
          "/home/dia/.NANO-D/SAMSON/DATA/0.7.0/Resource/Skins/Default/StyleSheets"
          "/home/dia/.NANO-D/SAMSON/DATA/0.7.0/Resource/Translations"
          
          =============================================================================
          Allowed elements ids in database: 
          1   ->   "06485695-DEE2-1383-A575-E5AABA05DCCD"
          2   ->   "154ACCDA-8950-C6B2-7456-DAB6BA82AA5D"
          3   ->   "2305E415-C812-1C1A-CDBE-78896176B067"
          4   ->   "385FE362-ADFD-CE55-95C0-4E63560EFA29"
          5   ->   "8B38B2FD-DE8D-F24A-36E7-7AC624173F9F"
          6   ->   "8CBDC8B1-59E1-6459-D68F-B840275DD5E9"
          7   ->   "9DFF7162-FFBF-C149-C9D3-2E1DEBC40321"
          8   ->   "CE375B52-7D0B-7DF0-AA3E-EB0AD85BEBFE"
          9   ->   "CEBACCDA-8950-C6B2-7456-D077BA82AA5D"
          10   ->   "EC83FAEB-1A42-FF16-EEB2-CF021EF38EBF"
          11   ->   "F912F119-7CBB-B5BD-972A-0A02DFCF683D"
          =============================================================================
          
          "start 0 0 files downloaded successfully\n"
          Could not open  "/home/dia/.NANO-D/SAMSON/DATA/0.7.0/Scratch/disabledElements.info"
          Extracting /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Scratch/Elements/06485695-DEE2-1383-A575-E5AABA05DCCD
          Extracting /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Scratch/Elements/154ACCDA-8950-C6B2-7456-DAB6BA82AA5D
          Extracting /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Scratch/Elements/2305E415-C812-1C1A-CDBE-78896176B067
          Extracting /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Scratch/Elements/385FE362-ADFD-CE55-95C0-4E63560EFA29
          Extracting /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Scratch/Elements/8B38B2FD-DE8D-F24A-36E7-7AC624173F9F
          Extracting /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Scratch/Elements/8CBDC8B1-59E1-6459-D68F-B840275DD5E9
          Extracting /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Scratch/Elements/9DFF7162-FFBF-C149-C9D3-2E1DEBC40321
          Extracting /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Scratch/Elements/CE375B52-7D0B-7DF0-AA3E-EB0AD85BEBFE
          Extracting /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Scratch/Elements/CEBACCDA-8950-C6B2-7456-D077BA82AA5D
          Extracting /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Scratch/Elements/EC83FAEB-1A42-FF16-EEB2-CF021EF38EBF
          Extracting /home/dia/.NANO-D/SAMSON/DATA/0.7.0/Scratch/Elements/F912F119-7CBB-B5BD-972A-0A02DFCF683D
          Registering: A visual model to represent secondary structure
          	Registering: Secondary structure
          Registering: This element contains three exporters (*xyz, *.pdb, *.mol2) to easily export models from SAMSON
          	Registering: Protein Data Bank (*.pdb)
          	Registering: XYZ (*.xyz)
          	Registering: Mol2 (*.mol2)
          Registering: An editor to generate atoms from the periodic table
          	Registering: Periodic table
          Registering: An editor to easily twist molecular systems
          	Registering: Twister
          Registering: This element contains a set of essential editors for SAMSON, for example to select, translate, erase, rotate...
          	Registering: Translation controller plane
          	Registering: Torsion
          	Registering: Ruler
          	Registering: Delegate
          	Registering: Translation controller center GUI
          	Registering: Rotation controller axis
          	Registering: Translation controller plane GUI
          	Registering: Rotation controller axis GUI
          	Registering: Angle
          	Registering: Atom-atom distance
          	Registering: Atom name
          	Registering: Translation controller axis
          	Registering: Translation controller center
          	Registering: Translation
          	Registering: Eraser
          	Registering: Rotation controller
          	Registering: Translation controller axis GUI
          	Registering: Bond order
          	Registering: Group name
          	Registering: Translation controller
          	Registering: Move camera
          	Registering: Atom creator
          	Registering: Rotation controller track-ball GUI
          	Registering: Bond length
          	Registering: Rotation controller track-ball
          	Registering: Rectangle selection
          	Registering: Lasso selection
          	Registering: Point selection
          	Registering: Rotation
          Registering: This element is a group called default visual models to easily display different molecule visualizations in SAMSON
          	Registering: Gaussian surface
          	Registering: Ball and stick
          	Registering: Ball-and-stick
          	Registering: Van der Waals
          	Registering: Lines
          	Registering: Licorice
          	Registering: Lines
          	Registering: Van der Waals
          	Registering: Gaussian surface
          	Registering: Licorice
          Registering: SAMSON document exporters (*.sam and *.samx)
          	Registering: SAMSON Documents (*.samx)
          	Registering: SAMSON Documents (*.sam)
          Registering: This element contains three importers (*xyz, *.mol2, *.pdb [with aliases: *.pdb1, ..., *.pdb6, *.ent, *.vdb]) to easily load models into SAMSON
          	Registering: Protein Data Bank (*.pdb4)
          	Registering: Protein Data Bank (*.ent)
          	Registering: Protein Data Bank (*.pdb5)
          	Registering: VIPERdb, PDB format (*.vdb)
          	Registering: Protein Data Bank (*.pdb6)
          	Registering: XYZ (*.xyz)
          	Registering: Protein Data Bank (*.pdb)
          	Registering: Mol2 (*.mol2)
          	Registering: Protein Data Bank (*.pdb1)
          	Registering: Protein Data Bank (*.pdb2)
          	Registering: Protein Data Bank (*.pdb3)
          Registering: SAMSON document importers (*.sam and *.samx)
          	Registering: SAMSON Documents (*.samx)
          	Registering: SAMSON Documents (*.sam)
          Registering: Universal Force Field
          	Registering: Universal Force Field
          	Registering: Universal Force Field
          	Registering: UFF Force Field Factory
          Registering: An element containing six state updaters
          	Registering: SESStateUpdaterPack
          	Registering: SESStateUpdaterPack
          	Registering: Partitioned Euler
          	Registering: SESStateUpdaterPack
          	Registering: Velocity Verlet
          	Registering: SESStateUpdaterPack
          	Registering: Adaptively restrained NVE
          	Registering: Steepest descent
          	Registering: SESStateUpdaterPack
          	Registering: SESStateUpdaterPack
          	Registering: Interactive modeling
          	Registering: Adaptive steepest descent
          Registering: SAMSON Base - Data Model - App
          	Registering: App
          Registering: SAMSON Base - Data Model - Color
          	Registering: Color scheme per chain ID
          	Registering: Constant color scheme
          	Registering: Color scheme per temperature factor
          	Registering: CPK color scheme
          	Registering: Color scheme per residue sequence number
          	Registering: Color scheme per residue type
          	Registering: Color scheme per partial charge
          	Registering: Color scheme per secondary structure type
          	Registering: Color scheme per occupancy
          	Registering: Color scheme per formal charge
          Registering: SAMSON Base - Data Model - Data Graph
          	Registering: Data graph node
          	Registering: Node group
          	Registering: Data graph node color scheme
          Registering: SAMSON Base - Data Model - Document
          	Registering: Label
          	Registering: Camera
          	Registering: Layer
          	Registering: Document
          Registering: SAMSON Base - Data Model - Structural Model
          	Registering: Molecule
          	Registering: Backbone
          	Registering: Atom
          	Registering: Segment
          	Registering: Bond
          	Registering: Side chain
          	Registering: Path
          	Registering: Chain
          	Registering: Structural model
          	Registering: Grid
          	Registering: Structural particle
          	Registering: Residue
          	Registering: Structural nodes
          	Registering: Conformation
          	Registering: Pseudo-atom
          	Registering: Structural group
          Registering: SAMSON Base - Data Model - Visual Model
          Registering: SAMSON Base - Data Model - Controller
          	Registering: Controller
          	Registering: Controller node
          Registering: SAMSON Base - GUI - DataGraph
          Registering: SAMSON Base - GUI - Document
          	Registering: The GUI of a camera
          	Registering: The GUI of a layer
          Registering: SAMSON Base - GUI - Editor
          	Registering: Editor
          Registering: SAMSON Base - GUI - Inspector
          	Registering: Inspector - SBQuantity::mass Factory
          	Registering: Inspector - SBQuantity::length Factory
          	Registering: Inspector - Bool Factory
          	Registering: Inspector - Node Factory
          	Registering: Inspector - SBBond::BondType Factory
          	Registering: Inspector - SBQuantity::dimensionless Factory
          	Registering: Inspector - int Factory
          	Registering: Inspector - SBNode::Type Factory
          	Registering: Inspector - double Factory
          	Registering: Inspector - SBResidue::ResidueType Factory
          	Registering: Inspector - std::string Factory
          	Registering: Inspector - float Factory
          	Registering: Inspector - SBQuantity::second Factory
          	Registering: Inspector - unsigned short Factory
          	Registering: Inspector - SBPosition3 Factory
          	Registering: Inspector - short Factory
          	Registering: Inspector - char Factory
          	Registering: Inspector - SBVector3 Factory
          	Registering: Inspector - SBQuantity::dimensionless Factory
          	Registering: Inspector - unsigned int Factory
          	Registering: Inspector - Atom Factory
          	Registering: Inspector - SBResidue::SecondaryStructureType Factory
          	Registering: Inspector - SBPath::AnimationType Factory
          	Registering: Inspector - SBElement::Type Factory
          	Registering: Inspector - SBQuantity::time Factory
          	Registering: Inspector - char Factory
          Registering: SAMSON Base - GUI - Structural model
          	Registering: The GUI of an atom
          	Registering: The GUI of a structural model
          	Registering: The GUI of a structural model conformation
          	Registering: The GUI of a bond
          	Registering: The GUI of a structural model conformation
          Registering: SAMSON Base - Facade - SAMSON
          	Registering: The SAMSON Facade
          libpng warning: iCCP: known incorrect sRGB profile
          libpng warning: iCCP: known incorrect sRGB profile
          libpng warning: iCCP: known incorrect sRGB profile
          libpng warning: iCCP: known incorrect sRGB profile
          libpng warning: iCCP: known incorrect sRGB profile
          libpng warning: iCCP: known incorrect sRGB profile
          libpng warning: iCCP: known incorrect sRGB profile
          libpng warning: iCCP: known incorrect sRGB profile
          
          =============================================================================
          Allowed elements in database: 
          
                -----------------------------------------------------------------------
                -  "elementName" "Secondary structure on GPUs"
                -  "elementDeveloperID" "C682B30F-0D21-4CDB-B968-B72E225DDC8F"
                -  "elementID" "06485695-DEE2-1383-A575-E5AABA05DCCD"
                -  "elementVersion" "0.7.0"
                -  "checksumDebug" 0
                -  "checksumRelease" 0
                -  "elementDescription" ""
                -  "elementOS" ""
                -  "samsonVersion" "0.7.0"
                -  "forceUpdate" false
                -----------------------------------------------------------------------
          
                -----------------------------------------------------------------------
                -  "elementName" "SAMSON Visual Models"
                -  "elementDeveloperID" "C682B30F-0D21-4CDB-B968-B72E225DDC8F"
                -  "elementID" "154ACCDA-8950-C6B2-7456-DAB6BA82AA5D"
                -  "elementVersion" "0.7.0"
                -  "checksumDebug" 0
                -  "checksumRelease" 0
                -  "elementDescription" ""
                -  "elementOS" ""
                -  "samsonVersion" "0.7.0"
                -  "forceUpdate" false
                -----------------------------------------------------------------------
          
                -----------------------------------------------------------------------
                -  "elementName" "Periodic table"
                -  "elementDeveloperID" "C682B30F-0D21-4CDB-B968-B72E225DDC8F"
                -  "elementID" "2305E415-C812-1C1A-CDBE-78896176B067"
                -  "elementVersion" "0.7.0"
                -  "checksumDebug" 0
                -  "checksumRelease" 0
                -  "elementDescription" ""
                -  "elementOS" ""
                -  "samsonVersion" "0.7.0"
                -  "forceUpdate" false
                -----------------------------------------------------------------------
          
                -----------------------------------------------------------------------
                -  "elementName" "Basic importers"
                -  "elementDeveloperID" "C682B30F-0D21-4CDB-B968-B72E225DDC8F"
                -  "elementID" "385FE362-ADFD-CE55-95C0-4E63560EFA29"
                -  "elementVersion" "0.7.7"
                -  "checksumDebug" 0
                -  "checksumRelease" 0
                -  "elementDescription" ""
                -  "elementOS" ""
                -  "samsonVersion" "0.7.0"
                -  "forceUpdate" false
                -----------------------------------------------------------------------
          
                -----------------------------------------------------------------------
                -  "elementName" "Twister"
                -  "elementDeveloperID" "C682B30F-0D21-4CDB-B968-B72E225DDC8F"
                -  "elementID" "8B38B2FD-DE8D-F24A-36E7-7AC624173F9F"
                -  "elementVersion" "0.7.0"
                -  "checksumDebug" 0
                -  "checksumRelease" 0
                -  "elementDescription" ""
                -  "elementOS" ""
                -  "samsonVersion" "0.7.0"
                -  "forceUpdate" false
                -----------------------------------------------------------------------
          
                -----------------------------------------------------------------------
                -  "elementName" "Universal force field"
                -  "elementDeveloperID" "C682B30F-0D21-4CDB-B968-B72E225DDC8F"
                -  "elementID" "8CBDC8B1-59E1-6459-D68F-B840275DD5E9"
                -  "elementVersion" "0.7.5"
                -  "checksumDebug" 0
                -  "checksumRelease" 0
                -  "elementDescription" ""
                -  "elementOS" ""
                -  "samsonVersion" "0.7.0"
                -  "forceUpdate" false
                -----------------------------------------------------------------------
          
                -----------------------------------------------------------------------
                -  "elementName" "SAMSON Format Exporter"
                -  "elementDeveloperID" "C682B30F-0D21-4CDB-B968-B72E225DDC8F"
                -  "elementID" "9DFF7162-FFBF-C149-C9D3-2E1DEBC40321"
                -  "elementVersion" "0.7.0"
                -  "checksumDebug" 0
                -  "checksumRelease" 0
                -  "elementDescription" ""
                -  "elementOS" ""
                -  "samsonVersion" "0.7.0"
                -  "forceUpdate" false
                -----------------------------------------------------------------------
          
                -----------------------------------------------------------------------
                -  "elementName" "SAMSON Format importers"
                -  "elementDeveloperID" "C682B30F-0D21-4CDB-B968-B72E225DDC8F"
                -  "elementID" "CE375B52-7D0B-7DF0-AA3E-EB0AD85BEBFE"
                -  "elementVersion" "0.7.0"
                -  "checksumDebug" 0
                -  "checksumRelease" 0
                -  "elementDescription" ""
                -  "elementOS" ""
                -  "samsonVersion" "0.7.0"
                -  "forceUpdate" false
                -----------------------------------------------------------------------
          
                -----------------------------------------------------------------------
                -  "elementName" "SAMSON Editors"
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          QPixmap::scaled: Pixmap is a null pixmap
          libpng warning: iCCP: known incorrect sRGB profile
          libpng warning: iCCP: known incorrect sRGB profile
          "File"
          "File"
          "Edit"
          "Edit"
          "App"
          
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          • Ivan
            Ivan last edited by

            It warns about libpng version. I think, that can be the reason. Which version of libpng is required?

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            • DmitriyMarin
              DmitriyMarin last edited by DmitriyMarin

              Actually, you should not worry about the following libpng warning:

              libpng warning: iCCP: known incorrect sRGB profile
              

              The libpng warning might be caused by libpng provided with your Python installation. To check whether this causes the problem, you could try commenting the addition of a path to Python libraries in the SAMSON-Core.sh script:

              #export LD_LIBRARY_PATH=${PYTHON_LIBRARY_PATH}:${LD_LIBRARY_PATH}
              

              I do not think that it is due to libpng, rather it might be a problem of a driver and OpenGL layer provided by Bumblebee.

              Dmitriy,
              The SAMSON Team, https://s-c.io

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              • Ivan
                Ivan last edited by Ivan

                It is really strange, that even if I tried to run it with optirun or primusrun in about dialog it showing, that I still using Intel HD card.

                0_1551452795316_2019-03-01 22-05-53.png

                I think there is some hidden restart of application GUI inside some python stuff, so really it does not use Nvidia card at all.

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                • Ivan
                  Ivan @DmitriyMarin last edited by

                  @dmitriymarin

                  Do you have the Nouveau driver blacklisted or uninstalled? Because it causes some issues on Nvidia Optimus GPUs.

                  Yes.

                  dia@lenovo:~$ cat /etc/modprobe.d/nvidia-blacklists-nouveau.conf
                  # You need to run "update-initramfs -u" after editing this file.
                  
                  # see #580894
                  blacklist nouveau
                  
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                  • DmitriyMarin
                    DmitriyMarin last edited by

                    Python is not used by SAMSON, Python is present in the launching script just to add a path to its libraries so that users could use the Python Scripting Element. So you can safely comment the Python-related block in the launching script if you are not using the Python Scripting Element.

                    The information you see in the About dialogue (or in Preferences > Installation > General) shows all the graphics cards, meaning that it can show both CPU and GPU. But in your case, the SAMSON installer could not find your Nvidia GPU.

                    Personally, I used SAMSON before on a laptop with Linux (Ubuntu) equipped with Nvidia GeForge GTX 670MX GPU (which has Optimus technology) but without Bumblebee/optirun installed. So the problem seems to be either in SAMSON not being able to properly detect GPU or lack of some drivers.

                    How did you install SAMSON? With optirun or without? Does it give you the same behavior in both cases?

                    Dmitriy,
                    The SAMSON Team, https://s-c.io

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                    • DmitriyMarin
                      DmitriyMarin last edited by DmitriyMarin

                      Have you tried to install SAMSON with primusrun and then launching SAMSON with it?

                      If there is a configuration file for optirun/primusrun which allows specifying which apps should use GPU you may try specifying GPU for SAMSON.

                      Is it possible for you to try with nvidia-prime? It should provide better OpenGL support compared to optirun since optirun has an additional layer VirtualGL which might be causing this issue.

                      Dmitriy,
                      The SAMSON Team, https://s-c.io

                      Ivan 1 Reply Last reply Reply Quote 0
                      • Ivan
                        Ivan @DmitriyMarin last edited by Ivan

                        @dmitriymarin said in SAMSON with hybrid graphics cards (Intel/Nvidia):

                        Have you tried to install SAMSON with primusrun and then launching SAMSON with it?

                        I tried, and that did not help.

                        If there is a configuration file for optirun/primusrun which allows specifying which apps should use GPU you may try specifying GPU for SAMSON.

                        There is no such a file :( It is controlled by the prefix in the command line when I calling the app.

                        Is it possible for you to try with nvidia-prime? It should provide better OpenGL support compared to optirun since optirun has an additional layer VirtualGL which might be causing this issue.

                        I have no such a command nvidia-prime... If I understand correct, primusrun have no such an extra layer.

                        DmitriyMarin 1 Reply Last reply Reply Quote 0
                        • DmitriyMarin
                          DmitriyMarin @Ivan last edited by DmitriyMarin

                          @ivan said in SAMSON with hybrid graphics cards (Intel/Nvidia):

                          I tried, and that did not help.

                          Apparently, SAMSON might be having a problem properly detecting your GPU during the installation, even with primusrun.

                          Nvidia PRIME does not go with Bumblebee/optirun/primusrun, it is an Nvidia technology and it also allows one to switch between CPU and Nvidia GPU without additional layers giving a direct OpenGL access, which is more preferable. It is done via GPU offloading. But it comes with a downside: for a switch between CPU and GPU to take an effect one needs to log out and log in back (OS needs to do some re-initializations).
                          0_1551542253508_nvidia-prime.png
                          You can check whether you have Nvidia PRIME or not in the Nvidia X Server Settings. Nvidia PRIME is either installed together with an nvidia proprietary driver or you can install it via (after installing nvidia proprietary drivers):

                          sudo apt install nvidia-prime 
                          

                          Note: To use Nvidia PRIME you might need to remove Bumblebee/optirun/primusrun.

                          Note: In case, if you are using Nvidia PRIME, SAMSON should be installed with an active Nvidia GPU and to use SAMSON it would be necessary to enable to Nvidia GPU.

                          Personally, on my laptop with Ubuntu 16.04 and equipped with Nvidia GeForce GTX 670MX I have the nvidia-384 driver installed with Nvidia PRIME. I had Bumblebee installed many years ago, but I could not make it work with CUDA.
                          0_1551542531017_samson-about-gpu.png

                          Dmitriy,
                          The SAMSON Team, https://s-c.io

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                          • Ivan
                            Ivan last edited by

                            I installed Linux Mint 19.1 and installed nvidia-driver-390. Now interface has no such troubles. Thank you for advices.

                            DmitriyMarin 1 Reply Last reply Reply Quote 1
                            • Ivan
                              Ivan last edited by

                              Should interface eat so much 96% CPU from one of cores ?

                              DmitriyMarin 1 Reply Last reply Reply Quote 0
                              • DmitriyMarin
                                DmitriyMarin @Ivan last edited by

                                @Ivan
                                Great! I am glad that you solved the issue! Apparently, it was a problem with drivers. Do you use primusrun/optirun or just nvidia GPU directly?

                                Dmitriy,
                                The SAMSON Team, https://s-c.io

                                Ivan 1 Reply Last reply Reply Quote 0
                                • DmitriyMarin
                                  DmitriyMarin @Ivan last edited by

                                  @ivan
                                  Yes, sorry, it can consume quite a lot sometimes. For me, for example, just the interface consumes sometimes 30-50% of one CPU core. To decrease the CPU consumption, you can hide the Document view (Ctrl/Cmd+1) or the Inspector (Ctrl/Cmd+I) when you do not need them. There is an issue with them which causes such consumption. It will be fixed in the next version of SAMSON.

                                  Dmitriy,
                                  The SAMSON Team, https://s-c.io

                                  Ivan 1 Reply Last reply Reply Quote 0
                                  • Ivan
                                    Ivan @DmitriyMarin last edited by

                                    @dmitriymarin Now I am using Nvidia PRIME like you showed in screenshot above. I do not think, that it is driver issue, but it is how you utilize them. I am also developing some software with OpenGL, however by using lower version API (1.2). So it works both Intel and Nvidia cards. I think, that advanced functions like in OpenGL 3.2 should be used using procedure addresses like it is doing with SDL_GL_GetProcAddress.

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                                    • Ivan
                                      Ivan @DmitriyMarin last edited by Ivan

                                      @dmitriymarin said in SAMSON with hybrid graphics cards (Intel/Nvidia):

                                      @ivan
                                      Yes, sorry, it can consume quite a lot sometimes. For me, for example, just the interface consumes sometimes 30-50% of one CPU core. To decrease the CPU consumption, you can hide the Document view (Ctrl/Cmd+1) or the Inspector (Ctrl/Cmd+I) when you do not need them. There is an issue with them which causes such consumption. It will be fixed in the next version of SAMSON.

                                      Will wait :) SAMSON has very cute interface, however such cost of one core for that it is not acceptable!

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                                      • DmitriyMarin
                                        DmitriyMarin last edited by

                                        Dear @Ivan ,
                                        Thanks to issues raised on the forum, we have fixed the issue in SAMSON causing problems with the viewport when using Intel integrated graphics processor. This issue might have been causing the problem you have posted in this thread. The new installation of SAMSON should resolve the issue.

                                        Dmitriy,
                                        The SAMSON Team, https://s-c.io

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