grub

I encountered this error while working with Proxmox and Ubuntu VM. Whenever I attempt to start my Ubuntu VM, I receive the following error message: "Booting from hard disk... error: no such partition. Entering rescue mode... grub rescue>" This issue started occurring after I attempted to...

hi, i have a proxmox server installed years ago and upgraded from 4.x up to 7.3 currently. the server was installed in legacy bios mode. firmware upgrades are not supported in this mode, so i would like to migrate to uefi. it is a single node installation (home server) with a couple of VMs on...

Hi, today i tried to update my pbs. Without thinking i rebooted the server and for some reason something went wrong with grub and it always booted in grub rescue. After a few hours fixing it (didnt work) i decided to reinstall the whole pbs and loose all my backups. But for some reason its...

Hi all, I tried moving a Centos 6 VM from Citrix XenServer v6.5 to Proxmox v7.1-10, but the VM is getting stuck after the GRUB menu. I regenerated initramfs, but the VM is still hanging. I also tried removing the "quiet" kernel options, but that didn't help (not pictured here). It boots fine...

I'm getting mixed signals. Found this: https://forum.proxmox.com/threads/select-default-boot-kernel.79582/post-398029 But Also found this: https://pve.proxmox.com/wiki/Host_Bootloader#sysboot_kernel_pin Even found this guy https://www.youtube.com/watch?v=NU4oE1_huC4 Currently booting 6.2.9-1...

I've now tried twice, with the process I'm using being a standard install of Debian 11 with an encrypted LVM, then following along the wiki guide to convert this install to PVE. Upon installing the pve-kernel, the system hangs on "loading initial ramdisk" on boot. So far I've tried both the...

Was doing a "routine" update to the system after having not updated things for a few months, but am on PVE 7.3-3. Hit the following message: For searchability, here's the body of text: Configuring grub-pc: GRUB failed to install to the following devices: /dev/sda /dev/sdb /dev/sdc /dev/sdd...

Hi, GUYS I'm trying to do a GPU passthrough, but I get an "/usr/sbin/grub-mkconfig: 10: /etc/default/grub: nofb: not found" and can't do it. I am running Proxmox 7.3-6. on an "HP Z2 SFF G4 Workstation" What should I do?

Hello! Help, please. Debian starts automatically and everything is fine. When I start trisquel, I get a black screen, but by press "ctrl + alt + del", and click "Esc" for choose disk boot, click 1 disk, I have grub and normal start OS, but requires such a start-up every time. How to fix it? I...

Hey all! I'm looking at trying out Proxmox on an old T420 Thinkpad laptop I have lying around. I created a bootable USB of the latest version (7.3-1) of Proxmox and filled out the installation wizard. I ended up getting to the end, at 99% complete, and am greeted with this message: >...

I can't upgrade https://pve.proxmox.com/wiki/Recover_From_Grub_Failure this wiki entry so I will add this update for anyone who needs it with EFI. After changing out a GPU in my computer I came across this grub rescue screen. error: disk `lvmid/[LVMID]' not found. grub rescue > I needed to...

Hi, Can you help me to upgrade grub on ovh dedicated server? My server is on buster with raid 1 soft and zfs. I try to update grub, but I cannot stop my raid 1. I have this error message "mdadm --stop /dev/md4 mdadm: Cannot get exclusive access to /dev/md4 perhaps a running process, mounted...

I was reviewing the syslogs on a new install of PVE and noticed this entry: kernel: amd_pstate: This processor supports shared memory solution, you can enable it with amd_pstate.shared_mem=1 The processor hardware is an AMD processor, and this indicates that I should be able to enable this...

Seems like I somehow destroyed my Proxmox installation, hopefully someone can help me restore it :eek: Today I ran all the latest updates, shutdown the system and did a BIOS update. When it loads up GRUB, I see 3 different version to boot Proxmox Virtual Environment GNU/Linux, with Linux...

Hallo Leute, ich habe jetzt über das Rescue Script bei Hetzner Debian11 mit ext4 im raid1 installiert. Danach habe ich proxmox drauf gepackt. Ich wollte jetzt die alten kernels löschen. root@pve ~ # dpkg -l |grep pve-kerne ii pve-firmware 3.5-6...

To handle some APST issues with an NVME disk, I need to add nvme_core.default_ps_max_latency_us=0 to /etc/default/grub. since the system uses proxmox-boot-tool refresh, does it read the params in /etc/default/grub and if not, how do I add this parameter to the boot process?

Hello, I had a severe issue with OS disk (using BTRFS) and must replace it. This means I started block copy using dd from old disk to new SSD; I performed the following steps: 1. block copy with dd from old to new device 2. extend root partition 3. resize BTRFS of relevant partition Then I...

Processor: Intel 8700k Mobo: Asus Z390-Prime A VT-d; ON VTx: ON SR-IOV: ON I'm trying to get VMs access to these Mellanox ConnectX-4 NICs. But, when I add the hardware to a VM, I get a warning saying that IOMMU is not enabled. So, I followed the documentation's suggestion to edit...

Hello! I have a Proxmox host here which had a problem with one of 4 HDDs. This HDD has now been replaced, since then the host boots into grub rescue mode with "checksum verification failed", before the replacement the boot HDD was the (hd0), since replacement it is the (hd3,gpt3). After...

Hi all, I have Proxmox installed on a ZFS mirror. My server has been up and running for over one and a half years now and I have had no major issues. I am current running: pve-manager/7.2-7/d0dd0e85 (running kernel: 5.15.39-4-pve) My zpool looks like this: pool: rpool state: ONLINE...