Low Disk Space on "boot"

ghost_laptop · edit-2 3 years ago

Low Disk Space on "boot"

Kromonos@fapsi.be · 3 years ago

Have you tried apt autoremove to clean up old packages?

ghost_laptop · 3 years ago

Yes, it gives an error very similar to running sudo apt upgrade, in fact running this command is what triggers the “Low Disk Space on “boot”” warning.

user@user:/$ sudo apt autoremove
Reading package lists... Done
Building dependency tree       
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
4 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Setting up initramfs-tools (0.136ubuntu6.6) ...
update-initramfs: deferring update (trigger activated)
Setting up linux-firmware (1.187.25) ...
update-initramfs: Generating /boot/initrd.img-5.11.0-43-generic
I: The initramfs will attempt to resume from /dev/dm-2
I: (/dev/mapper/data-swap)
I: Set the RESUME variable to override this.
Error 24 : Write error : cannot write compressed block 
E: mkinitramfs failure cpio 141 lz4 -9 -l 24
update-initramfs: failed for /boot/initrd.img-5.11.0-43-generic with 1.
dpkg: error processing package linux-firmware (--configure):
 installed linux-firmware package post-installation script subprocess returned error exit status 1
Setting up linux-image-5.11.0-44-generic (5.11.0-44.48~20.04.2) ...
I: /boot/initrd.img.old is now a symlink to initrd.img-5.11.0-44-generic
Setting up linux-image-5.11.0-46-generic (5.11.0-46.51~20.04.1) ...
I: /boot/initrd.img is now a symlink to initrd.img-5.11.0-46-generic
Processing triggers for initramfs-tools (0.136ubuntu6.6) ...
update-initramfs: Generating /boot/initrd.img-5.11.0-43-generic
I: The initramfs will attempt to resume from /dev/dm-2
I: (/dev/mapper/data-swap)
I: Set the RESUME variable to override this.
Error 24 : Write error : cannot write compressed block 
E: mkinitramfs failure cpio 141 lz4 -9 -l 24
update-initramfs: failed for /boot/initrd.img-5.11.0-43-generic with 1.
dpkg: error processing package initramfs-tools (--configure):
 installed initramfs-tools package post-installation script subprocess returned error exit status 1
Processing triggers for linux-image-5.11.0-44-generic (5.11.0-44.48~20.04.2) ...
/etc/kernel/postinst.d/initramfs-tools:
update-initramfs: Generating /boot/initrd.img-5.11.0-44-generic
I: The initramfs will attempt to resume from /dev/dm-2
I: (/dev/mapper/data-swap)
I: Set the RESUME variable to override this.
Error 24 : Write error : cannot write compressed block 
E: mkinitramfs failure cpio 141 lz4 -9 -l 24
update-initramfs: failed for /boot/initrd.img-5.11.0-44-generic with 1.
run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1
dpkg: error processing package linux-image-5.11.0-44-generic (--configure):
 installed linux-image-5.11.0-44-generic package post-installation script subprocess returned error exit status 1
Processing triggers for linux-image-5.11.0-46-generic (5.11.0-46.51~20.04.1) ...
/etc/kernel/postinst.d/initramfs-tools:
update-initramfs: Generating /boot/initrd.img-5.11.0-46-generic
I: The initramfs will attempt to resume from /dev/dm-2
I: (/dev/mapper/data-swap)
I: Set the RESUME variable to override this.
Error 24 : Write error : cannot write compressed block 
E: mkinitramfs failure cpio 141 lz4 -9 -l 24
update-initramfs: failed for /boot/initrd.img-5.11.0-46-generic with 1.
run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1
dpkg: error processing package linux-image-5.11.0-46-generic (--configure):
 installed linux-image-5.11.0-46-generic package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
 linux-firmware
 initramfs-tools
 linux-image-5.11.0-44-generic
 linux-image-5.11.0-46-generic
E: Sub-process /usr/bin/dpkg returned an error code (1)

Kromonos@fapsi.be · edit-2 3 years ago

You could try apt remove linux-image-5.11.0-43-generic to delete an old kernel manually. Then upgrade and autoremove again.

krolden · 3 years ago

Yep either this or expand your boot partition.

Ive sometimes had to boot into a livecd and then delete the old kernel images cos the system wouldn’t boot

ghost_laptop · 3 years ago

Removing linux-image-5.11.0-43-generic 

You are running a kernel (version 5.11.0-43-generic) and attempting to remove the same version.                     

This can make the system unbootable as it will remove /boot/vmlinuz-5.11.0-43-generic and all modules under the

This happens when I run that command, it scares me, will something break? Is it better to expand my boot partition?

Kromonos@fapsi.be · edit-2 3 years ago

linux-image-5.11.0-43-generic

I’ve seen linux-image-5.11.0-40-generic and linux-image-5.11.0-41-generic too. You could try with these one first

ghost_laptop · 3 years ago

With what first? Keep in mind that since elementary is built upon Ubuntu LTS I can’t use the newest version of the Linux kernel because it hasn’t been tested and such, maybe I should post on elementary’s subreddit. :/

krolden · edit-2 3 years ago

You should be OK as long as you rerun apt upgrade and/or update-initramfs so it properly installs the new kernel.

Be sure to remove any other old kernels you may have installed.

ghost_laptop · 3 years ago

So, as soon as I run the command to remove that kernel y run sudo apt upgrade or update-initramfs and that’s it? How do I know if I have any other old kernel installed?

ghost_laptop · 3 years ago

Removing linux-image-5.11.0-43-generic 

You are running a kernel (version 5.11.0-43-generic) and attempting to remove the same version.                     

This can make the system unbootable as it will remove /boot/vmlinuz-5.11.0-43-generic and all modules under the

This happens when I run that command, it scares me, will something break? Is it better to expand my boot partition?

libinator · 3 years ago

What does uname -a output?

ghost_laptop · 3 years ago

Linux device 5.11.0-43-generic #47~20.04.2-Ubuntu SMP Mon Dec 13 11:06:56 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux

libinator · edit-2 3 years ago

This means you run version 5.11.0-43-generic

Try removing linux-image-5.11.0-40-generic, which is the oldest version in your screenshot

libinator · 3 years ago

sudo apt remove linux-image-5.11.0-40-generic

I don’t use a debian based distro now, so you should probably wait until someone else says doing this is safe

ghost_laptop · 3 years ago

Okay, but once I removed what do I do? Because otherwise I will have an OS without its kernel, which is not nice.