1

I want to install Ubuntu 22.04 but with kernel 5.15

I downloaded ubuntu-22.04.1-desktop-amd64.iso and installed it but it is shipped with kernel 6.8. Also tried 22.04, 22.04.4 and 22.04.5

uname -r gives 6.8* . Updates while download was also disabled.

Any idea where I can get a Ubuntu 22.04 iso image with kernel 5.15

guiverc
  • 33,561
Gappu
  • 31

1 Answers1

1

Ubuntu 22.04.1 LTS Desktop includes the 5.15 kernel on it, which is what is used with the live session, and installed too.

That ISO can be found at

with the manifest or contents found at

If you examine the manifest you'll see it contains

linux-generic-hwe-22.04         5.15.0.43.44
linux-image-5.15.0-43-generic   5.15.0-43.46

which is what you're asking for, HOWEVER as its the HWE or Hardware Enablement kernel that is installed by default for Ubuntu Desktop, thus it'll upgrade to 6.8 which is the current HWE kernel (https://wiki.ubuntu.com/Kernel/LTSEnablementStack)

Media that uses/installs the GA kernel stack will remain 5.15 after upgrade, but Ubuntu Desktop ISOs since 20.04 have come with the HWE kernel stack.

The GA kernel (package I also listed) is also found on the installation media as an OEM option, but it is not installed during a normal install UNLESS it's detected as a better option as part of OEM kernel processing

Ubuntu Server ISOs install with the GA kernel stack, as do older flavor media at 22.04 & 22.04.1 (later or .2 & higher flavor media uses HWE same as Ubuntu Desktop)

guiverc
  • 33,561