Installing pve-headers package causes PVE to fail to boot due to initramfs out of memory error

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kayson

New Member
Feb 13, 2024
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On a fresh PVE 8.3-1 install, I add the no subscription repository, and install pve-headers. It looks like it also installs the 6.8.12-8 kernel and updates initramfs. After that, the installation is toast and unrecoverable because it compalins of out of memory. Even booting the original kernel version is broken.

How can I install pve-headers without the updated kernel? Or how can I successfully update the kernel?
 
Last edited:
l.leahu-vladucu said:
Hello kayson! If you go to "Advanced options ..." at boot, are you able to boot to recovery mode?
Click to expand...
No. Both kernels, recovery mode or not, fail to start. Probably because, from what I remember, recovery mode just changes kernel options, but something has broken the initramfs which gets loaded first.
 
Have you done anything else except installing the pve-headers / proxmox-headers? Also, are you able to boot any other kernel version in any mode at all? I'm just trying to understand the situation, because only installing the pve-headers / proxmox-headers alone should not lead to such issues.

I had a similar issue some time ago with my own computer. In my case, I did the following:
  1. Adapted /etc/initramfs-tools/initramfs.confto use the following values:
    • COMPRESS=xz
    • COMPRESSLEVEL=9
    • I just want to mention that using either of the previous values would have probably worked as well, but I just wanted to be sure and enable the maximum compression.
  2. Execute update-initramfs -u -k all

Of course, if you have issues booting with all kernels, you will need to use a separate live distro, chroot into the Proxmox VE installation and try what I suggested above.

Either way, even if you manage to fix it, it would be great to let us know what you did before the issue happened.
 
Literally nothing else. Fresh PVE install, add the no subscription repo, install the package, and reboot. I'm using an automated install with the below toml file. It looks like the automated installer iso uses a kernel param ramdisk_size=16777216 which then makes it into the installed grub cfg. Maybe that's not big enough for whatever changes the package is making to initramfs?

I did already try repairing initramfs with a live distro but didn't have any luck.

Code: 
[global]keyboard = "en-us"
country = "us"
fqdn = "pve.REDACTED"
mailto = "REDACTED"
timezone = "America/Los_Angeles"
root_password = "REDACTED"
root_ssh_keys = []
reboot_on_error = false

[network]
source = "from-dhcp"

[disk-setup]
filesystem = "ext4"
filter.ID_SERIAL = "BC711*"
lvm.hdsize = 50
lvm.swapsize = 0
lvm.maxvz = 0
 
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