ok I had 2 separate ubuntu installs fall apart first showing video card driver issues then in one case progressing to kernel panic, in less than 48 hours. My main laptop still cannot run low latency kernel and only works with generic one. is there a linux/nvidia driver issue going on or am I very very unlucky? #ubuntu #linux #nvidia

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@eylul
Proprietary Nvidia drivers need to built against the kernel and will work, but complain of a mismatch with the kernel module, then be erratic.
I compile on Gentoo, so this is generic observation rather than Ubuntu specific. So if the upgrade path gets broken, or no reboot to switch to a matching kernel , you could easily get issues. Not sure if Ubuntu uses the Nvidia drivers or Nouveau, which may or may nit be similar.
I would hope that the package manager would keep everything in sync

@CreatureOfTheHill
I think what you are describing is exactly the issue. Ubuntu uses both nouveau and nvidia proprietary. On low latency kernel system threw me to nouveau out of nowhere. Switching it back to proprietary driver is where kernel panic started. problem so far seems to be happening with both 18.04 and 19.10 on low latency. and a screen resolution issue happened on 18.04 at which point I didn't wait around to see if it would escalate

anyhow thanks very much for sharing this.

NVIDIA vs Nouveau 

NVIDIA vs Nouveau 

NVIDIA vs Nouveau 

@CreatureOfTheHill @eylul
Used Ubuntu long time ago but isn't there a "package" that will download drivers and compile it properly with actual kernel? Usually it's not in basic repo but in some "restricted" you have to explicitly allow.

But maybe you done everything right and there is just not-working version :(

Even - by itsfoss.com/ubuntu-lts-latest- - default Ubuntu repos don't have latest drivers and you should use dedicated PPA repo. (itsfoss.com/ubuntu-official-pp)

What did you try? Did you compile drivers yourself or by installation of some of this "package"?

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