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[GH-ISSUE #1621] Proxmox 8-4-1 wont load iso #544

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opened 2026-02-27 14:52:10 +03:00 by kerem · 3 comments

kerem commented

2026-02-27 14:52:10 +03:00

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Originally created by @XAMENOS21 on GitHub (May 12, 2025).
Original GitHub issue: https://github.com/netbootxyz/netboot.xyz/issues/1621

Netbootxyz will not load proxmox 8-4-1 iso
Describe the bug
My server which runs netbootxyz (no dockers, simple dnsmasq and nginx) says that there is no space left to load the iso

Here is the config of netbootxyz for the proxmox menu:

:boot-pve
set kernel_url ${live_endpoint}/asset-mirror/releases/download/8.4-1-613c19ff/
set proxmox_version 8.4-1
imgfree
kernel ${kernel_url}vmlinuz vga=791 video=vesafb:ywrap,mtrr ramdisk_size=16777216 rw quiet ${params} initrd=initrd.magic ${cmdline}
initrd ${kernel_url}initrd
initrd ${kernel_url}proxmox.iso /proxmox.iso
boot

Take note that i am relatively new to the whole concept of ipxe as i started this 3 weeks ago.

Here is a photo of the error:

I thought that i may need to increase the disksize ram but i have no idea if i should or not.

If anyone can help it would be apreciated

Originally created by @XAMENOS21 on GitHub (May 12, 2025). Original GitHub issue: https://github.com/netbootxyz/netboot.xyz/issues/1621 Netbootxyz will not load proxmox 8-4-1 iso **Describe the bug** My server which runs netbootxyz (no dockers, simple dnsmasq and nginx) says that there is no space left to load the iso Here is the config of netbootxyz for the proxmox menu: :boot-pve set kernel_url ${live_endpoint}/asset-mirror/releases/download/8.4-1-613c19ff/ set proxmox_version 8.4-1 imgfree kernel ${kernel_url}vmlinuz vga=791 video=vesafb:ywrap,mtrr ramdisk_size=16777216 rw quiet ${params} initrd=initrd.magic ${cmdline} initrd ${kernel_url}initrd initrd ${kernel_url}proxmox.iso /proxmox.iso boot Take note that i am relatively new to the whole concept of ipxe as i started this 3 weeks ago. Here is a photo of the error: ![Image](https://github.com/user-attachments/assets/b2512ca5-a144-4d7d-ac6e-d49fe0b8dde6) I thought that i may need to increase the disksize ram but i have no idea if i should or not. If anyone can help it would be apreciated

kerem

2026-02-27 14:52:10 +03:00

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kerem commented

2026-02-27 14:52:10 +03:00

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@antonym commented on GitHub (May 16, 2025):

Unable to reproduce, 8.4.1 works from within a Proxmox VM, sounds like you may need more RAM as it's trying to load the ISO into RAM.

@antonym commented on GitHub (May 16, 2025): Unable to reproduce, 8.4.1 works from within a Proxmox VM, sounds like you may need more RAM as it's trying to load the ISO into RAM.

kerem commented

2026-02-27 14:52:10 +03:00

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@XAMENOS21 commented on GitHub (May 20, 2025):

The server where netbootxyz is hosted has 64GB ram and the server where i am trying to install it has 32GB ram.
Take note that they are both physical servers and not VMs so i doubt that i am missing ram can you or someone else try with physical servers instead of vms

@XAMENOS21 commented on GitHub (May 20, 2025): The server where netbootxyz is hosted has 64GB ram and the server where i am trying to install it has 32GB ram. Take note that they are both physical servers and not VMs so i doubt that i am missing ram can you or someone else try with physical servers instead of vms

kerem commented

2026-02-27 14:52:10 +03:00

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@FleischKarussel commented on GitHub (Jun 25, 2025):

I can confirm having the same issue, also bare metal.
Weird about it is, the same server next to it, boots fine, triple checked boot options etc.
The affected server error's out like yours.

This happens when using legacy instead of UEFI.

both Specs:
dual socket intel xeon 36 cores
768GB RAM

@FleischKarussel commented on GitHub (Jun 25, 2025): I can confirm having the same issue, also bare metal. Weird about it is, the same server next to it, boots fine, triple checked boot options etc. The affected server error's out like yours. This happens when using legacy instead of UEFI. both Specs: dual socket intel xeon 36 cores 768GB RAM

kerem referenced this issue

2026-02-27 14:53:52 +03:00

[PR #544] [MERGED] Attempt other potential case changes for Windows #961

kerem referenced this issue

2026-03-01 18:40:20 +03:00

[PR #544] [MERGED] Attempt other potential case changes for Windows #2499

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