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Proxmox VE 9.1 – safe to update?
0 problem reports and 0 positive reports found on Reddit (plus 11 other mentions). Out for 332 days and we haven't found any problem reports. Quiet isn't proof — but most bad releases get noticed within a week.
Newer release in this line: Proxmox VE 9.2 (2026-05-21). If you're updating now, check that one instead — it may already fix the issues reported here.
Did you install 9.1?
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What's in this release
We're proud to present the next iteration of our Proxmox Virtual Environment platform. This new version 9.1 is the first point release since our major update and is dedicated to refinement. This release is based on Debian 13.2 "Trixie" but we're using the newer Linux kernel 6.17.2 as new stable default. In addition to…
Source: Proxmox forum announcements
CVEs fixed
No CVEs mapped to this release.
Community reports
- Mention
Script to manage OCI image and upgrades. · Reddit · 2026-10-12
I've created and used this script to manage OCI images (9.1 tech preview) lifecycles. This simplifies managing data and upgrades for OCI containers. It is likely that this script will become obsolete after OCI images leaves tech preview. I figured others may find this useful. ht…
- Mention
Migrating a Proxmox GPU passthrough VM to LXC for better memory efficiency, any issues with Kubernetes Cilium · Reddit · 2026-09-27
I'm currently running Proxmox 9.1.11 and have a VM with an NVIDIA Tesla P40 passed through to it. One issue I've been running into is memory efficiency. As far as I understand, when a PCIe device such as the Tesla P40 is passed through to a VM, memory ballooning has to be disabl…
- Mention
Enable/disable Backup task on VM launch/shutdown? · Reddit · 2026-09-18
PVE 9.1.6 I'm wondering automated way to enable a backup when I launch a VM (manually through the PVE GUI) and then disable the backup job when the VM shuts down. Ideally when the VM shuts itself down via the OS its running, or when I shut it down from PVE, but I could live with…
- Mention
Help setting up and mi25 · Reddit · 2026-09-10
I’m on proxmox 9.1.9 and I’m trying to set up llama.cpp but whenever I follow this video https://youtu.be/IExQMe\_Losg?is=PnEWntKnQMthIBL7 at timestamp 2:48 he inputs come ls -l /sys/class/drm/renderD*/device/driver it says no such directory found. I have genuinely no clue where…
- Mention
Windows XP with a working passed-through GPU on PVE 9.2 — and the two `pci-bridge` devices you have to strip to get there · Reddit · 2026-08-27
I have four GPU-passthrough seats running simultaneously on one PVE 9.2 node: two Windows XP SP3 and two Windows 7 x64, each with its own card driving its own monitor, and its own USB controller for keyboard and mouse. Host is an HP Z820 (dual E5-2667 v2, 128 GB ECC) that I foun…
- Mention
Windows 11 converted to virtual qcow2 drive from physical Dell workstation Hard drive errors. · Reddit · 2026-08-24
Sorry, this is a long one, I can provide any other information if required, I am just looking to see if I am chasing the wrong tail looking into Proxmox, if the issue is because of something on the physical system before the export\conversion. I am having issues with two differe…
- Mention
Any ideas on how to solve this alignment error message issue? · Reddit · 2026-08-14
The slab consolidation / trim operation cannot be performed because the volume alignment is invalid. (0x89000029)The slab consolidation / trim operation cannot be performed because the volume alignment is invalid. (0x89000029) I'm getting that from both the Win11 VM cmd.exe admi…
- Mention
PROXMOX home server questions · Reddit · 2026-08-04
After 81 days of continuous uptime I restarted my Proxmox host. Before the reboot I was seeing consistent 1–2 second freezes across *all* VMs (Windows and Linux) roughly every 10 minutes. After the reboot the freezes are completely gone (currently 4.5 hours of clean runtime). Be…
- Mention
Proxmox release question · Reddit · 2026-07-16
I recently built an AMD system to use in my homelab and I've run into many issues installing Proxmox due to my motherboard using the newer B850 chipset. I am able to install Debian without issue, but installing Proxmox leads to installer freezes. I believe the latest linux kerne…
- Mention
Server crashed - no logs · Reddit · 2026-07-01
Hi, I'm trying to understand why my server crashed. journalctl around the last boot only shows: Jun 19 00:25:11 pasta sshd[1062]: Timeout before authentication for connection from 120.48.54.130 to 192.168.178.2, pid = 6558 Jun 19 00:25:33 pasta sshd-session[9202]: Received disco…
- Mention
pvectl - pure bash+curl+fzf+jq interactive Proxmox VE cluster remote management tool, no web UI needed · Reddit · 2026-06-29
Managing Proxmox clusters from jump servers where the web UI isn't accessible has always been painful - pvesh, qm/pct, pve* utilities are powerful but raw with no interactive UX and cannot work remotely. To solve this above constant problem the pvectl has been built - pure bash+…
Reports are found automatically and labelled by an AI model plus keyword rules — they can be wrong. Open the post to judge for yourself.
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