Konsole does not appear to update the display on every keyboard/mouse input

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Viewing 13 posts - 1 through 13 (of 13 total)
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  • #18489
    Avatarcwernham
    Participant

    On Linux Mint:

    Konsole (terminal app) does not appear to update the display on every keyboard/mouse input. It seems to require an second interaction to get the display to update.

    For example: pressing any key may not display the character on the Konsole terminal window, but pressing any key again will update and show both keypresses. Or moving the mouse can force the display to update.

    Testing same NoMachine Client/Server version on Ubuntu 16.04 VM, Konsole appears to work fine.

    Client PC: Windows 10 64-bit

    NoMachine Enterprise Client 6.1.6_6

    Server PC: Linux Mint 18.1 Cinnamon (3.2.7) 64-bit

    NoMachine Enterprise Server 6.1.6

     

    #18508
    AvatarBeyers
    Participant

    Could this be related to https://www.nomachine.com/TR05P08571 ?

    #18529
    Avatargraywolf
    Moderator

    Hello cwernham,
    is that a screen sharing or a virtual desktop session?

    Could you provide details about the server host? Is it a physical or virtual machine? Any video card installed on it?

    Client side: have you changed something in the “Display settings” panel?

    • This reply was modified 2 years, 11 months ago by Avatargraywolf.
    #18536
    Avatarcwernham
    Participant

    I don’t believe it is related. I did try the workarounds, but to no effect.

    #18537
    Avatarcwernham
    Participant

    The server is running on a physical PC which is driving a graphics card (see attached pic for system info).

    I have tried the following, but no change:

    • changing server side display refresh rates
    • different client side display settings

     

    Attachments:
    #18541
    Avatargraywolf
    Moderator

    With session connected, would you open the NoMachine Menu (ctrl+Alt+0) and take screenshots of panels:

    Connection information (NoMachine Menu > Connection)
    Display settings (NoMachine Menu > Display > Change settings)

    #18542
    Avatarcwernham
    Participant

    Hi greywolf, see attached.

    #18545
    Avatarcwernham
    Participant

    Also Server system performance menu attached.

    #18549
    Avatargraywolf
    Moderator

    Please, in the remote session run these commands in a terminal:

    lsmod | grep “nvidia\|nouveau”
    dmesg | grep “nvidia\|nouveau”
    nvidia-smi
    env | grep DISPLAY

    #18550
    Avatarcwernham
    Participant

    ~/temp$ lsmod | grep “nvidia\|nouveau”
    ~/temp$ dmesg | grep “nvidia\|nouveau”
    ~/temp$ nvidia-smi
    Tue May 29 10:18:01 2018
    +—————————————————————————–+
    | NVIDIA-SMI 384.111 Driver Version: 384.111 |
    |——————————-+———————-+———————-+
    | GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
    | Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
    |===============================+======================+======================|
    | 0 NVS 310 Off | 00000000:01:00.0 N/A | N/A |
    | 30% 40C P8 N/A / N/A | 408MiB / 963MiB | N/A Default |
    +——————————-+———————-+———————-+

    +—————————————————————————–+
    | Processes: GPU Memory |
    | GPU PID Type Process name Usage |
    |=============================================================================|
    | 0 Not Supported |
    +—————————————————————————–+
    ~/temp$ env | grep DISPLAY
    DISPLAY=:0

    #18557
    Avatargraywolf
    Moderator

    Sorry, HTML formatting corrupted the double quotes, retrying with unformatted text:

    lsmod | grep "nvidia\|nouveau"
    dmesg | grep "nvidia\|nouveau"

    #18558
    Avatarcwernham
    Participant

    `~/temp$ lsmod | grep “nvidia\|nouveau”
    nvidia_uvm 671744 2
    nvidia_drm 49152 1
    nvidia_modeset 860160 5 nvidia_drm
    nvidia 13144064 317 nvidia_modeset,nvidia_uvm
    drm_kms_helper 155648 2 i915_bpo,nvidia_drm
    drm 364544 5 i915_bpo,drm_kms_helper,nvidia_drm
    ~/temp$ dmesg | grep “nvidia\|nouveau”
    [ 15.040599] nvidia: module license ‘NVIDIA’ taints kernel.
    [ 15.043871] nvidia: module verification failed: signature and/or required key missing – tainting kernel
    [ 15.048716] nvidia-nvlink: Nvlink Core is being initialized, major device number 242
    [ 15.288693] nvidia-modeset: Loading NVIDIA Kernel Mode Setting Driver for UNIX platforms 384.111 Tue Dec 19 22:56:18 PST 2017
    [ 15.486770] [drm] [nvidia-drm] [GPU ID 0x00000100] Loading driver
    [ 15.634895] nvidia-uvm: Loaded the UVM driver in 8 mode, major device number 241
    [ 33.088669] nvidia-modeset: Allocated GPU:0 (GPU-8801f812-4cb3-da8e-c329-33c035f3935b) @ PCI:0000:01:00.0
    ~/temp$
    `

    #18641
    Avatarkroy
    Contributor

    Do you have the same problem on other applications as well? Does it happen on the physical machine even if NoMachine is not involved?

    Please do some tests. Open another terminal in the background and execute command xinput test-xi2 --root. Then run konsole. Does something show up in the output when you reproduce the problem?

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