[SOLVED] Kernel upgrade from jessie to stretch

[mzperx]

Hi,

I have problem with kernel upgrade, I have performed an upgrade process but the kernel stayed 3.16 not 4.9.

I have a virtual machine where are running debian (the hypervisor is XEN) where I performed an upgrade from wheezy to stretch in two steps: wheezy -> jessie and jessie -> stretch.
First I have installed kernel meta package then the kernel upgrade was successful from 3.2 to 3.16 when I upgraded to jessie.
Then I upgraded to stretch but the kernel stayed 3.16.

~# cat /etc/debian_version
9.6
~# uname -a
Linux xxxxxx 3.16.0-7-amd64 #1 SMP Debian 3.16.59-1 (2018-10-03) x86_64 GNU/Linux

I tried these commands:
apt clean (and dpkg -clear-avail) and apt-get update.

But:
~# apt-cache search linux-image- | grep -i amd
linux-image-amd64 - Linux for 64-bit PCs (meta-package)
linux-image-3.16.0-7-amd64 - Linux 3.16 for 64-bit PCs
linux-image-3.2.0-6-amd64 - Linux 3.2 for 64-bit PCs

But there are 4.9 packages but they are not amd64 packages what I need:
~# apt-cache search linux-image- | grep -i 9.0-7
linux-headers-4.9.0-7-686 - Header files for Linux 4.9.0-7-686
linux-headers-4.9.0-7-686-pae - Header files for Linux 4.9.0-7-686-pae
linux-headers-4.9.0-7-rt-686-pae - Header files for Linux 4.9.0-7-rt-686-pae
linux-image-4.9.0-7-686 - Linux 4.9 for older PCs
linux-image-4.9.0-7-686-dbg - Debug symbols for linux-image-4.9.0-7-686
linux-image-4.9.0-7-686-pae - Linux 4.9 for modern PCs
linux-image-4.9.0-7-686-pae-dbg - Debug symbols for linux-image-4.9.0-7-686-pae
linux-image-4.9.0-7-rt-686-pae - Linux 4.9 for modern PCs, PREEMPT_RT
linux-image-4.9.0-7-rt-686-pae-dbg - Debug symbols for linux-image-4.9.0-7-rt-686-pae

Any suggestion please?

[p.H]

Looks like you installed an i386 system with amd64 kernel. Check with

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dpkg --print-architecture # should print "i386"
dpkg --print-foreign-architectures # should print nothing

Debian 9 for i386 does not provide an amd64 kernel any more. You must add the amd64 architecture.

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dpkg --add-architecture amd64
apt-get update
apt-get install linux-image-amd64

[mzperx]

Hi,

you are right!

~# dpkg --print-architecture
i386
~# dpkg --print-foreign-architectures
~#

Does it mean that I use i386 packages but with amd64 kernel?
What will happen if I perform your suggested steps? Will apt replace all i386 packages and reinstall amd64 packages (I'm talking not about kernel packages, I talking other packages like apache2 etc...)?

I ask it because it is a live system and I would like to handle it carefully!

This server has originally lenny as I remember and during releases I forgot to migrate it to 64bit.

Thank you for your help!

[p.H]

Will apt replace all i386 packages and reinstall amd64 packages

No. It will just replace Jessie linux-image-amd64:i386 with Stretch linux-image-amd64:amd64 so that linux-image-4.9*-amd64 can be pulled.

[mzperx]

~# dpkg --print-foreign-architectures
amd64

apt clean; apt-get update;
~# apt-get install linux-image-amd64
linux-image-amd64 is already the newest version (3.16+63+deb8u3).

~# dpkg -l | grep -i linux-image-
ii linux-image-3.16.0-7-amd64 3.16.59-1 i386 Linux 3.16 for 64-bit PCs
ii linux-image-3.2.0-6-amd64 3.2.102-1 i386 Linux 3.2 for 64-bit PCs
ii linux-image-amd64 3.16+63+deb8u3 i386 Linux for 64-bit PCs (meta-package)

[mzperx]

apt-get install linux-image-amd64:amd64
helped, now it is installed and waiting for reboot.

[mzperx]

Will apt replace all i386 packages and reinstall amd64 packages

No. It will just replace Jessie linux-image-amd64:i386 with Stretch linux-image-amd64:amd64 so that linux-image-4.9*-amd64 can be pulled.

After reboot it works well, thank you for your help!

[p.H]

Sorry, I thought that linux-image-amd64 being only available in the amd64 architecture in Stretch, it was not necessary to force the architecture. Did you remove Jessie's repositories in source.list ? What is the output of

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apt-cache policy linux-image-amd64

[mzperx]

sources.list:
deb http://deb.debian.org/debian/ stretch main contrib non-free
deb http://security.debian.org/ stretch/updates main contrib
deb http://deb.debian.org/debian/ stretch-updates main contrib non-free

I have rebooted the system with kernel 4.9.

~# apt-cache policy linux-image-amd64
linux-image-amd64:amd64:
Installed: 4.9+80+deb9u6
Candidate: 4.9+80+deb9u6
Version table:
*** 4.9+80+deb9u6 500
500 http://deb.debian.org/debian stretch/main amd64 Packages
500 http://security.debian.org stretch/updates/main amd64 Packages
100 /var/lib/dpkg/status


But your suggestion helped thank you again!

[macky]

This sort my problem! Thanks