Error during 6.8.12-20 Update

dehidding

New Member
May 30, 2025
3
0
1
I tried updating my PBS from 6.8.12-18 to 6.8.12-20 and received an error. Here's the console output (errors have been put in bold:

Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
The following packages were automatically installed and are no longer required:
proxmox-kernel-6.8.12-11-pve-signed proxmox-kernel-6.8.12-12-pve-signed
proxmox-kernel-6.8.12-13-pve-signed proxmox-kernel-6.8.12-15-pve-signed
Use 'apt autoremove' to remove them.
The following NEW packages will be installed:
proxmox-kernel-6.8.12-20-pve-signed
The following packages will be upgraded:
libgnutls30 libpng16-16 proxmox-backup-server proxmox-kernel-6.8
proxmox-widget-toolkit
5 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 138 MB of archives.
After this operation, 578 MB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://security.debian.org bookworm-security/main amd64 libgnutls30 amd64 3.7.9-2+deb12u6 [1,408 kB]
Get:2 http://security.debian.org bookworm-security/main amd64 libpng16-16 amd64 1.6.39-2+deb12u3 [276 kB]
Get:3 http://download.proxmox.com/debian/pbs bookworm/pbs-no-subscription amd64 proxmox-widget-toolkit all 4.3.16 [226 kB]
Get:4 http://download.proxmox.com/debian/pbs bookworm/pbs-no-subscription amd64 proxmox-backup-server amd64 3.4.8-3 [32.2 MB]
Get:5 http://download.proxmox.com/debian/pbs bookworm/pbs-no-subscription amd64 proxmox-kernel-6.8.12-20-pve-signed amd64 6.8.12-20 [103 MB]
Get:6 http://download.proxmox.com/debian/pbs bookworm/pbs-no-subscription amd64 proxmox-kernel-6.8 all 6.8.12-20 [11.4 kB]
Fetched 138 MB in 14s (10.1 MB/s)
Reading changelogs... Done
(Reading database ... 87941 files and directories currently installed.)
Preparing to unpack .../libgnutls30_3.7.9-2+deb12u6_amd64.deb ...
Unpacking libgnutls30:amd64 (3.7.9-2+deb12u6) over (3.7.9-2+deb12u5) ...
Setting up libgnutls30:amd64 (3.7.9-2+deb12u6) ...
(Reading database ... 87941 files and directories currently installed.)
Preparing to unpack .../libpng16-16_1.6.39-2+deb12u3_amd64.deb ...
Unpacking libpng16-16:amd64 (1.6.39-2+deb12u3) over (1.6.39-2+deb12u1) ...
Preparing to unpack .../proxmox-widget-toolkit_4.3.16_all.deb ...
Unpacking proxmox-widget-toolkit (4.3.16) over (4.3.13) ...
Preparing to unpack .../proxmox-backup-server_3.4.8-3_amd64.deb ...
Unpacking proxmox-backup-server (3.4.8-3) over (3.4.8-2) ...
Selecting previously unselected package proxmox-kernel-6.8.12-20-pve-signed.
Preparing to unpack .../proxmox-kernel-6.8.12-20-pve-signed_6.8.12-20_amd64.deb ...
Unpacking proxmox-kernel-6.8.12-20-pve-signed (6.8.12-20) ...
Preparing to unpack .../proxmox-kernel-6.8_6.8.12-20_all.deb ...
Unpacking proxmox-kernel-6.8 (6.8.12-20) over (6.8.12-18) ...
Setting up proxmox-widget-toolkit (4.3.16) ...
Setting up proxmox-kernel-6.8.12-20-pve-signed (6.8.12-20) ...
Examining /etc/kernel/postinst.d.
run-parts: executing /etc/kernel/postinst.d/initramfs-tools 6.8.12-20-pve /boot/vmlinuz-6.8.12-20-pve
update-initramfs: Generating /boot/initrd.img-6.8.12-20-pve
Running hook script 'zz-proxmox-boot'..
Re-executing '/etc/kernel/postinst.d/zz-proxmox-boot' in new private mount namespace..
Copying and configuring kernels on /dev/disk/by-uuid/697F-15E7
Copying kernel 6.8.12-18-pve
Copying kernel 6.8.12-20-pve
Removing old version 6.8.12-16-pve
/usr/sbin/grub-mkconfig: 270: cannot create /boot/grub/grub.cfg.new: Directory nonexistent
run-parts: /etc/initramfs/post-update.d//proxmox-boot-sync exited with return code 2
run-parts: /etc/kernel/postinst.d/initramfs-tools exited with return code 1
Failed to process /etc/kernel/postinst.d at /var/lib/dpkg/info/proxmox-kernel-6.8.12-20-pve-signed.postinst line 20.
dpkg: error processing package proxmox-kernel-6.8.12-20-pve-signed (--configure):
installed proxmox-kernel-6.8.12-20-pve-signed package post-installation script subprocess returned error exit status 2
Setting up libpng16-16:amd64 (1.6.39-2+deb12u3) ...
dpkg: dependency problems prevent configuration of proxmox-kernel-6.8:
proxmox-kernel-6.8 depends on proxmox-kernel-6.8.12-20-pve-signed | proxmox-kernel-6.8.12-20-pve; however:
Package proxmox-kernel-6.8.12-20-pve-signed is not configured yet.
Package proxmox-kernel-6.8.12-20-pve is not installed.
Package proxmox-kernel-6.8.12-20-pve-signed which provides proxmox-kernel-6.8.12-20-pve is not configured yet.

dpkg: error processing package proxmox-kernel-6.8 (--configure):
dependency problems - leaving unconfigured
Setting up proxmox-backup-server (3.4.8-3) ...
Processing triggers for man-db (2.11.2-2) ...
Processing triggers for libc-bin (2.36-9+deb12u13) ...
Errors were encountered while processing:
proxmox-kernel-6.8.12-20-pve-signed
proxmox-kernel-6.8
E: Sub-process /usr/bin/dpkg returned an error code (1)




I have not tried anything yet. Figured I'd ask before I jumped in and made it worse.

Regards.