installation of kernel headers fail with "Read-only file system" error

Bug #2034688 reported by Jean-Baptiste Lallement
This bug affects 2 people
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
In Progress
Dimitri John Ledkov

Bug Description

Mantic 20230907

Installation of packages that ship files in /lib/modules or /lib/firmware are expected to fail, so their installation must be prevented.

For instance:

$ apt install linux-headers-generic-6.3.0-7
Reading package lists...
Building dependency tree...
Reading state information...
linux-headers-6.3.0-7 is already the newest version (6.3.0-7.7).
The following packages will be upgraded:
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
51 not fully installed or removed.
Need to get 0 B/3,667 kB of archives.
After this operation, 27.9 MB of additional disk space will be used.
(Reading database ... 132615 files and directories currently installed.)
Preparing to unpack .../linux-headers-6.3.0-7-generic_6.3.0-7.7_amd64.deb ...
Unpacking linux-headers-6.3.0-7-generic (6.3.0-7.7) over (6.3.0-7.7) ...
dpkg: error processing archive /var/cache/apt/archives/linux-headers-6.3.0-7-generic_6.3.0-7.7_amd64.deb (--unpack):
 error creating symbolic link './lib/modules/6.3.0-7-generic/build': Read-only file system
dpkg: error while cleaning up:
 unable to remove newly-extracted version of '/lib/modules/6.3.0-7-generic/build': Read-only file system
Errors were encountered while processing:

Tags: fde
Changed in ubuntu-desktop-installer:
status: New → Triaged
importance: Undecided → High
tags: added: fde
Revision history for this message
Dimitri John Ledkov (xnox) wrote :

in general, it is useful to be able to install kernel headers even on the confined system.

Potentially need to change something on either the deb, snap, or both side to make all of that work.

Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote : Missing required logs.

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 2034688

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

Changed in linux (Ubuntu):
status: New → Incomplete
Revision history for this message
Dimitri John Ledkov (xnox) wrote :

# ls -latr /lib/modules/6.3.0-7-generic/build
lrwxrwxrwx 1 root root 38 Jun 8 14:44 /lib/modules/6.3.0-7-generic/build -> /usr/src/linux-headers-6.3.0-7-generic

Pondering if such a link should be shipped by all the snaps.

And pondering if .deb should change it from a shipped file, to a postinst scriplet that creates it dynamically.

Changed in linux (Ubuntu):
status: Incomplete → Triaged
Revision history for this message
Dimitri John Ledkov (xnox) wrote :

Can you please try refresh to channel 23.10/beta or --revision 1474 and let me know if this improves things?

Changed in linux (Ubuntu):
status: Triaged → In Progress
assignee: nobody → Dimitri John Ledkov (xnox)
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