Catness Sound and Nvidia research

Submitted by code_admin on Fri, 11/13/2020 - 14:17

Sound

Cmds:
[geshifilter-]aplay -l (This lists card HDA Intel PCH) lspci -nnk | grep -A2 Audio[/geshifilter-]

https://www.linuxuprising.com/2018/06/fix-no-sound-dummy-output-issue-i…

Fixed by removing timidity

Failed attempts:

How To Fix No Sound in Ubuntu And Linux Mint - It's FOSS

Gfx

Following:
https://linuxconfig.org/how-to-install-the-nvidia-drivers-on-ubuntu-20-…

  1. robert@catness:~$ ubuntu-drivers devices
  2. == /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0 ==
  3. modalias : pci:v000010DEd0000139Bsv00001028sd000006E4bc03sc02i00
  4. vendor   : NVIDIA Corporation
  5. model    : GM107M [GeForce GTX 960M] (XPS 15 9550)
  6. driver   : nvidia-driver-450-server - distro non-free
  7. driver   : nvidia-driver-418-server - distro non-free
  8. driver   : nvidia-driver-390 - distro non-free
  9. driver   : nvidia-driver-450 - distro non-free
  10. driver   : nvidia-driver-440-server - distro non-free
  11. driver   : nvidia-driver-455 - distro non-free recommended
  12. driver   : xserver-xorg-video-nouveau - distro free builtin

sudo lshw -class video

  1. robert@catness:/etc/modprobe.d$ sudo lshw -class video
  2.   *-display                
  3.        description: 3D controller
  4.        product: GM107M [GeForce GTX 960M]
  5.        vendor: NVIDIA Corporation
  6.        physical id: 0
  7.        bus info: pci@0000:01:00.0
  8.        version: a2
  9.        width: 64 bits
  10.        clock: 33MHz
  11.        capabilities: pm msi pciexpress bus_master cap_list rom
  12.        configuration: driver=nouveau latency=0
  13.        resources: irq:132 memory:dc000000-dcffffff memory:b0000000-bfffffff memory:c0000000-c1ffffff ioport:e000(size=128) memory:dd000000-dd07ffff
  14.   *-display
  15.        description: VGA compatible controller
  16.        product: HD Graphics 530
  17.        vendor: Intel Corporation
  18.        physical id: 2
  19.        bus info: pci@0000:00:02.0
  20.        version: 06
  21.        width: 64 bits
  22.        clock: 33MHz
  23.        capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
  24.        configuration: driver=i915 latency=0
  25.        resources: irq:133 memory:db000000-dbffffff memory:70000000-7fffffff ioport:f000(size=64) memory:c0000-dffff

lsmod output

  1.  

ps -aux | grep XXX

  1.  

dmesg output HERE

With nvidia driver loaded and I type startX I get: this log.

Install process

  1. sudo ubuntu-drivers devices
  2. sudo ubuntu-drivers autoinstall

Recover from root prompt

  1. sudo apt-get remove --purge '^nvidia-.*'
  2. sudo apt-get autoremove

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Work Notes