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Build your own Proxmox Home Lab Server with MINISFORUM BD795m

 
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 Greg
Apr 27, 2025 5:59 pm
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Brandon
thanks for the great work you've put into setting up and testing these systems and putting out content on your experiences.
I've ordered from your parts list to build a Xen server based on the MINISFORUM BD795m. I run xcp-ng and XO here. One of the issues I've run into is that the xen 8.2 LTS and 8.3 latest installers crash (Dom0) with a kernal panic prior to the blue install screen coming up.
I've seen that a few have gotten this to work but it seems to be unresolved. Do you have any ideas on workarounds to test installing xcp-ng on the BD795m board?
Also I see that the MS-A2 is available to order now, exciting to see the release of this server. 

Thanks again for the great work!

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 Greg
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Apr 28, 2025 4:34 pm
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@brandon-lee I forgot to mention my BD795m motherboard bios is still at version 1.0 and it's not clear if anything related to the xen install issue is affected by the 1.02 bios.

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Brandon Lee
 Brandon Lee
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Apr 29, 2025 4:16 am
Reply toGreg

@greg that would be interesting to see. Also, have you tried playing around with some of the BIOS settings?

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Brandon Lee
 Brandon Lee
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Apr 29, 2025 4:15 am
Reply toGreg

@greg thank you so much for sharing your configuration and setup here. I haven't installed XCP-ng on the BD795M in testing, only Proxmox and VMware. You mentioned specifically the latest installers. Do older installers work do you think? Curious if you have tested even older to see. Let me know if you have tried any of the workarounds mentioned by others as well.  I will see if I can get some time with the 795M and throw a quick install of XCP-ng on there to see.

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 Greg
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Apr 29, 2025 3:32 pm
Reply toBrandon LeeBrandon Lee

@brandon-lee Great news! I got the installer to run and successfully installed xcp-ng 8.3. I did make a classic mistake by making two changes instead of one but I hope to circle back to narrow the root cause down.

The solve: I took another look at the bios settings and disabled "PSS Support" under the CPU configuration menu. I also changed the PCIe/GFX Lanes Configuration from x16 to x8x8 after doing some research on other failed installs. I don't think I need x16 anyway for the 10GBe card. There are still a few xcp-ng boot errors that I need to chase down but I have a working install for now.

I did try the 8.2.1 installer for xcp-ng and I also tried a variety of grub edits like (iommu=0) for the installer config that xcp-ng supports before the bios changes with no luck.

Thanks again for hosting the forum and the feedback on this issue. 

Greg

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Brandon Lee
 Brandon Lee
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Apr 30, 2025 4:00 am
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Brandon Lee

@greg that is amazing news! Thank you so uch for sharing as well. This will be a great resource for any others who may think of using this board with an XCP-ng install. All in all, I am loving mine and the performance is great. As a question as well. What took you to XCP-ng? I love it, just like asking what features and capabilities drive ones selecting different options.

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 Greg
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Apr 30, 2025 6:05 pm
Reply toBrandon LeeBrandon Lee
Brandon Lee

@brandon-lee at the time I deployed xcp-ng and Xen Orchestra it was just prior to the whole Vmware licensing blow up. Proxmox was also maturing and I ran into Tom Lawrence's videos on xcp-ng from another project I was working on. The interface made sense to me and I loved the scalability as well as their approach to pool management. My understanding is that the features are comparable between them which is great for the market. I have also heard others really don't like the interface much but I expect that to improve with the upcoming 6.x release of XO. 

For me it's been a big win but I have much to learn and am looking forward to putting the BD795m to work. 

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