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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Many things stop working on kernel update (lemmy.blahaj.zone)

submitted 9 months ago by Smorty@lemmy.blahaj.zone to c/linux@lemmy.ml

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I am currently running Debian 12 with Gnome using the 6.6.9-amd64 kernel, and have had quite the issues with the newer kernels. Once i switch to them in the grub menu, I am only able to use a single monitor which has been set to a sub-normal resolution. Also animations for the DE are all gone. I can't add my other monitors in, my nvidia settings panel lost most of its settings (from about 20 tabs to 3) and the entire system runs really poorly. While part of this seems to be an nvidia thing, I do wonder how I would actually go about fixing this.

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[–] avidamoeba@lemmy.ca 11 points 9 months ago* (last edited 9 months ago) (2 children)

Sounds like your NVIDIA driver isn't loading for the newer kernels. Either not compiled for them, or not installed, if Debian ships it in binary form. The easiest solution would be to not install newer kernels. It seems you're already ahead of the default Debian 12 kernel - 6.1.

[–] db2@lemmy.world 7 points 9 months ago (1 children)

DKMS isn't installed or is broken. The whole point of it is to update things when a new kernel gets installed.

[–] avidamoeba@lemmy.ca 6 points 9 months ago* (last edited 9 months ago)

Yeah, unfortunately that's not always possible as modules don't always build against newer kernels. Also I don't know if Debian uses dkms for this. On Ubuntu for example, NVIDIA modules are shipped in a pre-compiled form for the supported kernels instead of using dkms.

[–] Smorty@lemmy.blahaj.zone 1 points 9 months ago (1 children)

Would it maybe make sense to install this older 6.1 kernel? It would potentionally have greater compatebility with the driver... Also, this probably does not have anything to do with the kernel thing, but I just reid to apt upgrade, and found this message repeated a bunch of times at the end of it:

update-initramfs: Generating /boot/initrd.img-6.6.13-amd64
cp: warning: behavior of -n is non-portable and may change in future; use --update=none instead

This seems like an error which should not be shown to the user and instead the developer of apt, which apparently uses cp.

[–] avidamoeba@lemmy.ca 5 points 9 months ago

Yeah, it's not an error.

Yes I would stick with the default kernel unless I have a good reason to change it. E.g. there's functionality I really need.