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Thu, 08 Jan 2026 05:43:45 -0800 (PST) MIME-Version: 1.0 From: Jan Pechek Date: Thu, 8 Jan 2026 14:43:34 +0100 X-Gm-Features: AQt7F2qCqMQhv3mrrgSp72og6F52hJVUkD6Yom2N81eUSjoh9rv4qwS_1E0hVXI Message-ID: Subject: Hardcoded startup RAM for QEMU memory hotplug To: pve-user@lists.proxmox.com Content-Type: text/plain; charset="UTF-8" X-SPAM-LEVEL: Spam detection results: 0 BAYES_00 -1.9 Bayes spam probability is 0 to 1% DKIM_SIGNED 0.1 Message has a DKIM or DK signature, not necessarily valid DKIM_VALID -0.1 Message has at least one valid DKIM or DK signature DKIM_VALID_AU -0.1 Message has a valid DKIM or DK signature from author's domain DKIM_VALID_EF -0.1 Message has a valid DKIM or DK signature from envelope-from domain DMARC_PASS -0.1 DMARC pass policy RCVD_IN_DNSWL_NONE -0.0001 Sender listed at https://www.dnswl.org/, no trust SPF_HELO_NONE 0.001 SPF: HELO does not publish an SPF Record SPF_PASS -0.001 SPF: sender matches SPF record Hello, I would like to ask if it is possible to have the startup RAM size for memory hotplug configurable. We encountered a problem when upgrading Alma9 to Alma10 using the leapp (https://leapp-repository.readthedocs.io/latest/) tool. It creates a modified initramfs in which it performs the operating system upgrade. However, because it is in the early boot stage of the system, the automatic connection of hotpluggable memory does not work and only 1024MB of startup RAM is available. So leapp does not have enough memory and OOM killer terminates it. If we patch this hardcoded value (https://github.com/proxmox/qemu-server/blob/e781d9713fb3d45a523fe14db6cd99ac60bbfbb5/src/PVE/QemuServer/Memory.pm#L66) and increase the startup RAM to 2048MB, for example, everything will work fine. For current RHEL, the minimum required memory is 2GB as is stated here - https://access.redhat.com/articles/rhel-limits#minimum-required-memory-3. Please also see this related issue - https://bugzilla.redhat.com/show_bug.cgi?id=2139907. If there is better way to create feature request, please let me know, thanks. Best regards, Jan Pechek --===============7637153813323489673== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ pve-user mailing list pve-user@lists.proxmox.com https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-user --===============7637153813323489673==--