VM Reboot Issue - VM stuck on Proxmox start boot option screen

Hey everyone subscribed to this thread, I believe @sir4ndr3w and his proposed solution is the way to go, I've switched a fair few of my VMs away from the Writeback Cache mode, specially the ones I know that had the issue and almost a month including Patch Tuesday reboots and they don't experience that issue anymore and restart without a problem.

I'm not sure what the actual cause is but perhaps the Windows server best practices wiki article should be changed to keep the Cache mode on default, especially when using UEFI bios settings?
 
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Hey,
we have exactly the same problem. Some (UEFI) Windows-Server VMs on a ceph storage stuck sometimes at the "Proxmox"-Logo Boot-Screen. Unfortunately all vm disks are on "Default (no cache)" mode. So this doesn't fix anything for us.
 
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Yeah so no dice for me still, I wish I knew what the cause of this was because I just have to sit here and wait until it decides to proceed with booting the operating system, surely the solution isn't to use BIOS booting...

Just sits here at max CPU usage:

1742859844971.png

Hardware settings and boot logo stuck:

1742859924478.png1742859858949.png
 
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