Kernel problem?
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Recently I installed the libre kernel from jxself's repo. (I was unsuccessfully trying to solve a problem: https://trisquel.info/en/forum/cant-hibernate#comment-119368)
I now have this problem, which I 'think' I have experienced in connection with installing the libre kernel before: When waking up from sleep/hibernation, the wired connection is turned of, and it takes (quite) a while for it to be turned on again.
To test if this is indeed related to the kernel, I would like to 'downgrade' to the kernel used before. How do I do that? I see advices to hold down while booting, but it doesn't work (because of libreboot?). I 'think' I have been able to do it through Synaptic, but I can't figure it out now. I also haven't found advices on how to do it via terminal.
Help appreciated.
What about holding "shift": https://askubuntu.com/questions/82140/how-can-i-boot-with-an-older-kernel-version?
I assume you still have the desired kernel installed. Otherwise, install it again. You must then boot that kernel: choose it in the "Advanced options" of the GRUB menu... but a user and a password will be asked: the user is "grub" and the password is at the very end of the output of 'sudo cat /etc/grub.d/01_PASSWORD', to be executed in a terminal. But you had better get rid of that useless password (GRUB's developers say so!): https://trisquel.info/forum/updating-error#comment-117506
Then, remove the packages coming from jxself's repository. It is easy to do so from the "Synaptic Package Manager" in the "System Settings": click on the "Origin" button (bottom-left part of the window), select the repository "stable/main (linux-libre.fsfla.org)" (above), click on the "S" header to list the installed packages first, select them (left click on the first, Shit+left click on the last installed package), right click on the selection and "Mark for Complete Removal". You must then "Apply" the desired changes by clicking on the eponymous button and confirming.
If you want to, you can then disable or even remove jxself's repository. Still using the "Synaptic Package Manager": "Other Software" tab in "Settings/Repositories"; or launching that same utility, "Software & Updates", directly from the "System Settings"; or editing /etc/apt/sources.list; ...
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