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From: The Natural Philosopher <tnp@invalid.invalid>
Newsgroups: comp.sys.raspberry-pi
Subject: Re: Why has new bookwork installation given me a newer kernel than an
 upgraded bookworm?
Date: Thu, 30 Jan 2025 22:24:26 +0000
Organization: A little, after lunch
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On 30/01/2025 21:41, Chris Green wrote:
> The Natural Philosopher <tnp@invalid.invalid> wrote:
>> On 30/01/2025 20:54, Chris Green wrote:
>>> Marco Moock <mm+usenet-es@dorfdsl.de> wrote:
>>>> On 30.01.2025 16:00 Uhr Chris Green wrote:
>>>>
>>>>> I'm confused, I've just installed Raspberry Pi OS (Bookworkm) on a
>>>>> new Pi 4B and it has installed Kernel: 6.6.62+rpt-rpi-v8 aarch64.
>>>>>
>>>>> I have another 4B on which I installed Bookworm a while ago and have
>>>>> updated regularly and it only has Kernel: 6.1.21-v8+ aarch64.
>>>>
>>>> apt list installed 'linux-image*'
>>>>
>>> That simply lists every possible matching package as far as I can see,
>>> not what's actually installed.
>>>
>>> There isn't anything actually installed with a package name matching
>>> 'linux-image':-
>>>
>>>       chris@homepi$ dpkg -l | grep linux-image
>>>       chris@homepi$
>>>
>>>
>>> The 'older' system has /boot/kernel8.img installed from the
>>> raspberrypi-kernel package.
>>>
>>> The 'newer' system says /boot/kernel8.img comes from the
>>> raspberrypi-kernel package but there isn't any raspberrypi-kernel
>>> package installed. :-
>>>
>>>       root@newodinpi:~# apt-file search kernel8.img
>>>       raspberrypi-kernel: /boot/kernel8.img
>>>       root@newodinpi:~# dpkg -l | grep raspberrypi-kernel
>>>       root@newodinpi:~#
>>>
>>> Something is funny here!
>>>
>> Don't you have to use apt-get dist-upgrade to install newer kernels?
>> I assumed that was to avoid the need to reboot on automated updates.
>>
>> Yeah. I think I am right. The policy is not to change the kernel on
>> normal upgrades
>>
> I tried that, no change, still 6.1 kernel:-
> 
>      root@homepi# uname -a
>      Linux homepi 6.1.21-v8+ #1642 SMP PREEMPT Mon Apr  3 17:24:16 BST 2023 aarch64 GNU/Linux
>      root@homepi# apt update
>      Get:1 http://security.debian.org/debian-security bookworm-security InRelease [48.0 kB]
>      Hit:2 http://deb.debian.org/debian bookworm InRelease
>      Hit:3 http://deb.debian.org/debian bookworm-updates InRelease
>      Hit:4 http://archive.raspberrypi.org/debian bookworm InRelease
>      Get:5 https://apt.syncthing.net syncthing InRelease [15.7 kB]
>      Fetched 63.6 kB in 2s (38.1 kB/s)
>      Reading package lists... Done
>      Building dependency tree... Done
>      Reading state information... Done
>      All packages are up to date.
>      root@homepi# apt dist-upgrade
>      Reading package lists... Done
>      Building dependency tree... Done
>      Reading state information... Done
>      Calculating upgrade... Done
>      0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
>      root@homepi#
> 
> 
Odd. apt and apt-get may have different rules

"apt-get upgrade only upgrades the apps, tools, and utilities. It does 
not install new Linux kernel of the OS.

"apt upgrade upgrades the apps, tools, and utilities and installs new 
Linux kernel of the OS. However, it never removes old packages.

"apt full-upgrade upgrades the apps, tools, and utilities and installs 
new Linux kernel of the OS. It also removes old packages if needed for 
the upgrade."

It looks to me apt full-upgrade does the same thing as apt-get 
dist-upgrade. That is to say the full-upgrade will check for and install 
a new kernel if available and removes old packages if the removal is 
necessary for the upgrade."

I don't think apt dist-upgrade is actually a valid command.

"apt full-upgrade and apt-get dist-upgrade are the same command. But 
again apt is the newer command."

Anyway see if any of that works., I am pretty sure it did for me






-- 
"If you don’t read the news paper, you are un-informed. If you read the 
news paper, you are mis-informed."

Mark Twain