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Ubuntu Sapphire RX Vega 64 Nitro+ running slow ?

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  • Ubuntu Sapphire RX Vega 64 Nitro+ running slow ?

    After installing Ubuntu 18.04 LTS I tried installing the AMDGPU-Pro drivers as directed (I included Pal / Legacy & Rocm) the GPU went very silent and the desktop runs smoothly. There was only 1 snag, after the install in the terminal said ...
    The following packages have unmet dependencies.
    amdgpu-hwe : Depends: amdgpu-lib-hwe (= 19.20-812932) but it is not going to be installed
    amdgpu-pro-hwe : Depends: libgl1-amdgpu-pro-ext-hwe (= 19.20-812932) but it is not going to be installed

    E: Unable to correct problems, you have held broken packages.
    I'm assuming after looking in the Synaptic Manager it's to do with i386 architecture, as I'm using 64 not 32 I'm assuming I should just skip it ?

    The next step I installed Krita and found page rotation and zoom are very laggy so disabled OpenCL acceleration and works a little better. Then thought I should try Blender with a render which took the CPU 41s and GPU 1:10, I know people have noted this is common but ... (lm-sensors / sensors-detect) the GPU's temp at idle roughly 40c only went up to 51c and the watts (i think) idle 3w only showed as 150w.

    I guess apart from not knowing if the card is installed properly, does it also need to be overclocked ?

  • #2
    Just an update, still haven't determined the driver installation but have fixed a couple of problems.

    Blender just needed some settings changed when rendering by GPU (tile size mostly). Krita for some reason the version I had installed was the problem so just added the ppa suggested from their website and works fine now.

    So the question still remains, do I need amdgpu-hwe installed ? Did the installation finish or not ?

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