1 2 Previous Next 17 Replies Latest reply on Mar 20, 2017 2:07 PM by cvare

    NUC7I3BNH HDMI 4k/UHD @ 60Hz only via command line with Ubuntu 16.10

    Möhre

      Hi,

      I am having lots of trouble with that HDMI connection through Yamaha RX779 to my LG 55EG9606.

       

      First of all the max reported refresh rate is 30.00Hz. Confirmed with xrandr.

      Using

      cvt --reduced 3840 2160 60 

      I get a modeline which makes it work, if the NUC is connected to the TV directly. Connecting it through the receiver results in having a black screen with some flicker of color. The HDMI-Logo at the receiver also flickers. Both cables are ~90cm and brand new (Amazon Basics HDMI 2.0 4k 3D Ethernet etc.) - same behaviour with other cables.

       

      Would be great to know if someone else is experiencing the same problems or if this is a firmware/driver issue. To me it looks like a timing/sync issue.

        • 1. Re: NUC7I3BNH HDMI 4k/UHD @ 60Hz only via command line with Ubuntu 16.10
          Intel Corporation
          This message was posted on behalf of Intel Corporation

          Hello Möhre,

           

          Thank you for joining the Intel® NUC community.

           

          Please let me review your inquiry, I will update the thread with more instructions on how to proceed.

           

          Regards,

          Amy.

          • 2. Re: NUC7I3BNH HDMI 4k/UHD @ 60Hz only via command line with Ubuntu 16.10
            Möhre

            Today i tested a LG 27MU67-B with the same result: No sync at 60Hz - neither with or without reduced vsync black. 50Hz was working fine. Modes are only listed up to 30Hz via xrandr. Do I need to install that KABYLAKE HUC - 2.0 Firmware maybe?!

            • 3. Re: NUC7I3BNH HDMI 4k/UHD @ 60Hz only via command line with Ubuntu 16.10
              rguevara

              Hi Möhre,

               

               

              I work for Intel Customer Support and we have seemed issues with AV Receivers, not the same issue that you are reporting but due to the large amount of different brands and models it makes it very difficult for Intel to test and validate.

              Unfortunately the only recommendation that I can provide at this point is not really addressing this specific issue but just trying to make sure your system and AVR are running latest software:

               

               

              I hope any of this helps,

              Ronny G

              • 4. Re: NUC7I3BNH HDMI 4k/UHD @ 60Hz only via command line with Ubuntu 16.10
                Möhre

                Hi Ronny,

                 

                - the shipped BIOS seems already up to date

                - Yamaha RX779 has the latest firmware version

                - drivers of Ubuntu 16.10 have been updated via Intel Graphics Update-Tool

                - regarding the flicker of HDMI logo: no, the NUC does not like to boot to more than UHD@30Hz. The flicker occurs when I manually set the refresh rate to > 30Hz. This would be a hint for sync problems imho.

                 

                So the current status is:

                - direct connection to my LG UHD TV works up to 50Hz

                - direct connection to my LG UHD TV using reduced blank works up to 60Hz

                - connect through Yamaha Receiver to LG TV works up to 30Hz

                - direct connection to LG 4K Display works up to 50Hz

                 

                Tried 4 different HDMI cables up to now - no difference. 

                Could this still be some software issue? I am afraid the unit is bugged/broken, since it also makes these strange noises (see my other Thread).

                • 5. Re: NUC7I3BNH HDMI 4k/UHD @ 60Hz only via command line with Ubuntu 16.10
                  rguevara

                  Hi Möhre

                   

                  Thanks for answering, I am still investigating and I will come back soon.

                  I cannot promise anything at this point but I am looking into it.

                   

                  Thanks,

                  Ronny G

                  • 6. Re: NUC7I3BNH HDMI 4k/UHD @ 60Hz only via command line with Ubuntu 16.10
                    rguevara

                    Hello Möhre,

                     

                    We did some testing and found some better results with Ubuntu 16.4.

                    Would you be willing to try it?

                     

                    Thanks,

                    Ronny G

                    • 7. Re: NUC7I3BNH HDMI 4k/UHD @ 60Hz only via command line with Ubuntu 16.10
                      Möhre

                      If you can tell me how to get the network devices running... I tried 16.04 first, but LAN and WiFi both are not supported by the kernel. Without functional network it is kind of impossible to update components. If you downloaded a functional one, plz add a link.

                       

                      Edit: hang on... saw a new release was published a few days ago... will try that one via USB stick... should be fine for a test.

                      • 8. Re: NUC7I3BNH HDMI 4k/UHD @ 60Hz only via command line with Ubuntu 16.10
                        Möhre

                        Actually the network devices are fine now with Ubuntu 16.04.2 LTS. But I cannot see any differences regarding the refresh rates. Exact same situation like with Ubuntu 16.10...

                         

                        There is no 3840x2160 > 30Hz detected:

                         

                        ubuntu@ubuntu:~$ xrandr -d :0 --props
                        Screen 0: minimum 320 x 200, current 3840 x 2160, maximum 8192 x 8192
                        DP-1 connected primary 3840x2160+0+0 (normal left inverted right x axis y axis) 1600mm x 900mm
                                EDID:
                                        00ffffffffffff001e6d010001010101
                                        0119010380a05a780aee91a3544c9926
                                        0f5054a1080031404540614071408180
                                        010101010101023a801871382d40582c
                                        450040846300001e662150b051001b30
                                        4070360040846300001e000000fd003a
                                        3e1e791e000a202020202020000000fc
                                        004c472054560a2020202020202001b2
                                        02035cf354109f041305140302122021
                                        2215015d5e5f62636438097f070f7f07
                                        1507503e1fc04d0200570600677e005f
                                        54017b030c002100b83c20c08d010203
                                        0401000e0f06164656a6b6104050e305
                                        c000e50e60616566835f0000011d0072
                                        51d01e206e28550040846300001e0000
                                        0000000000000000000000000000006c
                                Broadcast RGB: Automatic
                                        supported: Automatic, Full, Limited 16:235
                                audio: auto
                                        supported: force-dvi, off, auto, on
                           1920x1080     60.00 +  50.00    59.94    30.00    25.00    24.00    29.97    23.98
                           4096x2160     24.00    23.98
                           3840x2160     30.00    25.00    24.00*   29.97    23.98
                           1920x1080i    60.00    50.00    59.94
                           1280x1024     60.02
                           1360x768      60.02
                           1152x864      59.97
                           1280x720      60.00    50.00    59.94
                           1024x768      60.00
                           800x600       60.32
                           720x576       50.00
                           720x480       60.00    59.94
                           640x480       60.00    59.94
                           720x400       70.08
                        HDMI-1 disconnected (normal left inverted right x axis y axis)
                                aspect ratio: Automatic
                                        supported: Automatic, 4:3, 16:9
                                Broadcast RGB: Automatic
                                        supported: Automatic, Full, Limited 16:235
                                audio: auto
                                        supported: force-dvi, off, auto, on
                        DP-2 disconnected (normal left inverted right x axis y axis)
                                Broadcast RGB: Automatic
                                        supported: Automatic, Full, Limited 16:235
                                audio: auto
                                        supported: force-dvi, off, auto, on
                        HDMI-2 disconnected (normal left inverted right x axis y axis)
                                aspect ratio: Automatic
                                        supported: Automatic, 4:3, 16:9
                                Broadcast RGB: Automatic
                                        supported: Automatic, Full, Limited 16:235
                                audio: auto
                                        supported: force-dvi, off, auto, on
                        

                         

                         

                        Adding it manually fails because of a timing issue:

                         

                        cvt 3840 2160 60
                        

                        # 3840x2160 59.98 Hz (CVT 8.29M9) hsync: 134.18 kHz; pclk: 712.75 MHz

                        Modeline "3840x2160_60.00"  712.75  3840 4160 4576 5312  2160 2163 2168 2237 -hsync +vsync

                        xrandr -d :0 --newmode "3840x2160_60.00"  712.75  3840 4160 4576 5312  2160 2163 2168 2237 -hsync +vsync
                        xrandr -d :0 --addmode DP-1 "3840x2160_60.00"
                        xrandr -d :0 --output DP-1 --mode "3840x2160_60.00"
                        

                        xrandr: Configure crtc 0 failed

                         

                        Adding it with reduced blank:

                         

                        cvt --reduced 3840 2160 60
                        

                        # 3840x2160 59.97 Hz (CVT 8.29M9-R) hsync: 133.25 kHz; pclk: 533.00 MHz

                        Modeline "3840x2160R"  533.00  3840 3888 3920 4000  2160 2163 2168 2222 +hsync -vsync

                        xrandr -d :0 --newmode "3840x2160_60.00R"  533.00  3840 3888 3920 4000  2160 2163 2168 2222 -hsync +vsync
                        xrandr -d :0 --addmode DP-1 "3840x2160_60.00R"
                        xrandr -d :0 --output DP-1 --mode "3840x2160_60.00R"
                        

                        AV-Receiver: No Signal

                        • 9. Re: NUC7I3BNH HDMI 4k/UHD @ 60Hz only via command line with Ubuntu 16.10
                          rguevara

                          Hello Möhre,

                           

                          I am sorry to hear that running Ubuntu 16.4 didnt work, we tested it with a Yahama receiver (not the same model you have, I have to confirm) and it worked fine.

                          I am running out of ideas and I cannot test the exact same set up you have (we cannot test all AVRs out in the market), by any chance, did you try the dirvers and pathes available at: https://01.org/linuxgraphics/downloads/2016q4-intel-graphics-stack-recipe this is the only recomendation I have at the moment, I'll keep investigating.

                           

                          Thanks,

                          Ronny G

                          • 10. Re: NUC7I3BNH HDMI 4k/UHD @ 60Hz only via command line with Ubuntu 16.10
                            Möhre

                            Mmmh, would you mind to drop the output of

                             

                            xrandr -d :0 --props

                            &

                            cvt 3840 2160 60

                            &

                            cvt --reduced 3840 2160 60

                             

                            here?

                            • 12. Re: NUC7I3BNH HDMI 4k/UHD @ 60Hz only via command line with Ubuntu 16.10
                              rguevara

                              Hi Möhre

                               

                              I am still around :-) sorry for not replying earlier.

                              I didn’t run the test I mentioned before, we have hardware available on different locations for testing and the most similar hardware we have is not in my lab so I asked someone else to test for me.

                              I am trying to get them to run what you requested, let me follow up again and I will get back to you.

                               

                              Thanks,

                              Ronny G

                              • 13. Re: NUC7I3BNH HDMI 4k/UHD @ 60Hz only via command line with Ubuntu 16.10
                                Möhre

                                Hi Ronny,

                                just to let you know:

                                There was an update via Intel Graphics Update Tool after which UHD@60Hz now is listed within the "supported modes" list in xrandr (if TV is connected directly). Also it's 99% functional - sometimes I got a blue flashing line and audio drop outs.

                                Through that Yamaha receiver there is still that 24hz limit. I already talked to their support - they would like to know which receiver you have tested. Would be great if you can tell me.

                                 

                                Thanks!

                                • 14. Re: NUC7I3BNH HDMI 4k/UHD @ 60Hz only via command line with Ubuntu 16.10
                                  cvare

                                  Hi Mohre, I work with Ronny. 

                                   

                                  That's great to hear!

                                   

                                  The receiver model we're using is: Yamaha RX-V381.

                                   

                                  Hope that helps, let us know if not.

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