Yo 
I’m curious if anyone could help me understand what the difference is.
I was having GPU slowdowns with LTS, but it is running full speed with Zen.
On the Endeavour website it says it says 6.13.7. So I’m a bit confused.
Is 6.13.7 the latest stable (LTS) and 6.17.7 experimental? Any clarification would be greatly appreciated, thanks.
That must have been the kernel version shipped with the latest EOS ISO release.
No. 6.17.xx is the current latest stable series.
The current LTS (Long Term Support) series is: 6.12.xx
Well 6.13.7 was the latest kernel available at the moment the ISO was made , but being a rolling distro the kernel got updated to 6.17.7. The lts kernel is now at 6.12.57 also look at this screenshot.
Thanks! Out of curiosity, where did you find that interface?
It is called AKM and, if not already installed (not sure it is installed by default), you can install it with
sudo pacman -Syu akm
Other wise just typing akm in a terminal should fire it up.
Thanks! I’ll keep reading up on it.
I see that downgrading is quite easy, my last confusion regarding the kernels is how they work in terms of downloads. When upgrading from say 6.10.x to 6.12.x. Will it download all kernels in between, or just the latest. And if rolling back, would it then roll back to 6.10, or the one prior to 6.12.x (if it downloads all kernels in between when doing a system update).
I haven’t found any of this on the wiki, but maybe I’m looking in the wrong places.
Appreciate it! Seems very useful
It will download just the latest as it’s all it needs. Using the downgrade tool, you pick the version to downgrade to.
No, it will only download (and upgrade to) the latest version available in the kernel series.
It depends which version you choose to downgrade to. It will download (and downgrade to) the chosen version. It won’t download all the kernels in between.
However, I don’t see any reason why downgrade to whole other kernel series. You would normally downgrade to a prior version in the same kernel series temporarily if you encounter an issue with the latest version available for that series.
A normal upgrade downloads only the latest packages (kernel or other).
Note also that partial upgrades are not supported because they can and will cause compatibility issues.
In practice it means downgrading a package is only a temporary workaround, and should be considered as the last resort if something is not working after an upgrade.
Just make sure when downgrading Linux Kernel you also downgrade the headers as well.
downgrade linux linux-headers
DO NOT ADD linux/linux-headers to Ignore.
That makes a lot of sense. Thanks for clarifying. I wasn’t sure how to do so, and trying a different kernel was easier to compare. In the end it was a combo of kernel and a breaking of the power performance state for the laptop which was causing the issues. All the replies from everyone has helped me for when I will need a downgrade in the future.
To see if I got this right.
I’d focus on major kernel versions, before doing package downgrades for kernel, drivers or apps.
Or do you mean running a full system update vs only updating/downgrading kernel or drivers?
If the latter, because the updates are tied to work with the specific kernel version?
Appreciate the input btw!
Thanks! Good to know.
By the way, is there an easy way to do the same with terminal? If for some reason the system won’t boot and downgrading needs to be done pre-boot. I’m not sure where to find all the different kernel version links. The ones I found via wiki only points to full ISO’s for installers.
Not sure what you mean exactly but I try to answer.
Arch based systems do not support partial upgrades (typically meaning one or more packages have been downgraded but not all). A system in a partially upgraded state may experience small or big bad problems depending what has been downgraded. Downgrading essential system packages like e.g. kernel or a GPU driver can easily cause a boot failure or even worse issues.
Typically downgrading some regular app like an editor could typically make the app work in unexpected ways. Of course there might even be security issues with a downgraded web browser.
So downgrading is practically never recommended. It is not a magic trick to fix everything.
Better to solve the actual problem with a package by
And preferably report (in a very detailed way) the problem to the developer of the package.
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