kernel

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    VMSCAPE CVE-2025-40300

    Hi, Derzeit wird in den Medien über VMSCAPE berichtet. https://www.tenable.com/cve/CVE-2025-40300 Ein Patch ist bereits im Upstream. Weiß man wann beziehungsweise ob das in pve / pmg kommt? Danke!
  2. C

    SimplyNUC Server suddenly crashes with PVE 8.4.11

    Hi ! I'm working on a PVE setup for 2 weeks now and one of the servers is a SimplyNUC server running PVE 8.4.11. Yesterday suddenly I couldn't reach it anymore and had to hard reboot the machine. I then checked the logfiles and saw the following: Aug 20 18:27:59 site1-snuc pvedaemon[1518]...
  3. J

    Possible to patch kernel??

    Hi, I am fairly new to Linux and definitely a noob to Proxmox so I was hoping I could get some answers here. I wanted to Run HyperHDR an lxc and I found this helpful script which will do that for me. The problem that the default Linux Kernel has a specific feature turned off by default...
  4. N

    Problems installing LTTng 2.13.18 via DKMS on Proxmox VE 8 (Kernel 6.8.12-9-pve)

    Hello all, I’m trying to get the newer LTTng 2.13.18 DKMS modules working on my Proxmox VE 8 host (kernel 6.8.12-9-pve), but every attempt trips the pve-apt-hook and wants to remove the proxmox-ve meta-package. Below is what I’ve done so far and the exact errors I see. - Host: Proxmox VE 8.x...
  5. J

    [TUTORIAL] FABC: Why is ProxmoxVE using all my RAM and why can't I see the real RAM usage of the vms in the dashboard?

    This article is about a question frequently answered by community members. It was inspired by UdoBs great FabU posts ( https://forum.proxmox.com/search/7994094/?q=FabU&c[title_only]=1&c[users]=UdoB ) and aims to give an in depth-explaination to an often asked question so it can be referenced in...
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    Proxmox on Debian secure boot setup

    Hi Experts I'm installing Proxmox on top of Debian for disk encryption purposes. Everything seems to work fine for Proxmox but I can't get secure boot to be working. Secure boot worked for a normal Proxmox ISO installation (not with Debian). I got this while booting up: Loading Linux...
  7. C

    [SOLVED] Changing kernel parameters on a uefi machine

    Hello all, I want to change some kernel parameters, to increase the performance of my PVEs. I want to set the processor.max_cstate=1 and intel_idle.max_cstate=0 parameters. So, I updated /etc/default/grub, added the options to the GRUB_CMDLINE_LINUX variable, and ran both update-grub and...
  8. G

    Random crashes on one of two identical hosts.

    Hello, I do have two identical host, same hardware everywhere. One of them keep crashing at random times. I look on this forums, found lots of similar post but, I don't want to try random things and break the system and make things even more bad. When it crashes, it won't reboot by itself...
  9. J

    Building custom Kernel (6.11) but unable to edit config

    Hey guys, I'm trying to build a custom kernel but whatever I do I am unable to edit the config of the kernel, it always reverts to the default. git clone git://git.proxmox.com/git/pve-kernel.git cd pve-kernel nano Makefile # I edit this line: EXTRAVERSION=-$(KREL)-pve-custom make...
  10. K

    How to enable clang Full-LTO when building pve kernel

    ``` git clone https://git.proxmox.com/git/pve-kernel.git make submodule ``` Then I added `-e CONFIG_LTO_CLANG` and `-e CONFIG_LTO_CLANG_FULL` into `pve-kernel/debian/rules` 's `PMX_CONFIG_OPTS` then `make LLVM=1`, but errors came out:
  11. V

    Proxmox kernel vs Debian 12 Stock - ramifications of staying with Stock

    I'm looking at the instructions for installing Proxmox on top of an existing Debian 12 system. In section 3.2 it mentions installing a custom Proxmox kernel, with this explanation: The example given is puzzling in that the stock Debian kernel has had apparmor enabled for eleven years. What...
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    Cannot pin kernel using proxmox-boot-tool

    Hello, I'm currently setting up a testing environment based on a 2 nodes Proxmox cluster. The 2 nodes are absolutely identical machines (micro-PC). I've followed the exact same procedure to install both nodes, booting from the proxmox-ve_8.3-1.iso. Both installations went off without a hitch...
  13. B

    v7 works perfectly v8 crashes

    I have just built a new server, and installed v8 straight away. Apart from a minor issue with NVMe which seems to be a BIOS related (they appear or not randomly after the POST) I opted to stay safe and installed everything on a single SSD in ext4. Call me old school, I'm fine with that :) So I...
  14. N

    Problem Update Kernel 6.8.12-4-pve / No Boot

    Hello everyone, I upgraded the system yesterday. There was a problem with the GRUB configuration and the hard drives. Building dependency tree... Done Reading state information... Done Calculating upgrade... Done The following packages were automatically installed and are no longer required...
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    kernel: nfs: server X.X.X.243 not responding, timed out

    Hello everyone :), I’ve set up a Magento2 test environment using several LXC containers. The central component of this environment is a privileged LXC container that acts as an NFS storage server, providing images and other resources accessed by other containers. The setup and communication...
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    kernel: nfs: server X.X.X.243 not responding, timed out

    Hallo zusammen :), ich habe mir eine Magento2-Testumgebung mit verschiedenen LXC-Containern eingerichtet. Der zentrale Punkt dieser Umgebung ist ein privilegierter LXC-Container, der als NFS-Storage fungiert und unter anderem Bilder bereitstellt, auf die andere Container zugreifen. Die...
  17. CH.illig

    [SOLVED] Broken Boot ZFS nach Update

    Funktionierender kernel root@srv:~# uname -a Linux svtmb248 6.8.4-3-pve #1 SMP PREEMPT_DYNAMIC PMX 6.8.4-3 (2024-05-02T11:55Z) x86_64 GNU/Linux Nach Update vorhandener Kernel: boot/vmlinuz-6.8.12-2-pve boot/vmlinuz-6.8.12-3-pve beide starten nicht und bleiben bei "failed to load zfs modules"...
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    Couldn't boot other kernel

    Hi A few weeks ago, I tried changing kernel versions. I've currently been waiting on 6.5.13-6-pve, as I was having nvme issues (D3 hot error - There is a separate thread, somewhere) The problem was - I was unable to boot back into any other version. I tried: promox-boot-tool kernel pin...
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    xt_geoip / GeoIP

    Hi There Wondering if somebody knows the reason why xt_geoip is not part of the pve kernel? is this a technical point which stays for future and if no, where/how to reach out for this? It would not be very helpful for the pve itself but also for lxc containers. And yes, i read other threads...
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    Downgrade kernel from 6.8 to 6.7

    So i have just upgraded to proxmox 8.2, and i have a problem with a container. The problem is that the 6.8 kernel seems to cause a crash in some packages i use, and it seems that the previous kernel is ok (6.7). So is there a save way to use the kernel version ?