github-actions[bot] commented on issue #13806:
URL: https://github.com/apache/cloudstack/issues/13806#issuecomment-5396254375

   ## ๐ŸŽฏ Triage report
   
   KVM guests get libvirt's default `cirrus` video device when no 
`video.hardware` setting is specified, which renders a completely blank console 
for Windows Server 2025 Core (though guest-agent/keyboard input still work). 
Switching to `video.hardware=vga` fixes it immediately. A PR (#13807) already 
exists but is targeted at `main`; a maintainer has asked whether it should also 
target the 4.22 branch.
   
   ### ๐Ÿ“Š Assessment
   
   | Dimension | Value | Reasoning |
   |---|---|---|
   | **Type** | type:bug | Unusable console under specific reproducible 
conditions; also proposes a default value change |
   | **Component** | component:kvm | Root cause is in 
`LibvirtComputingResource.createVideoDef()` |
   | **Severity** | n/a | Not applied โ€” narrow guest-OS scenario, workaround 
exists |
   | **Labels** | type:bug, component:kvm | |
   | **Coding agent** | Not suitable | Requires an OS-compatibility render 
matrix decision and branch-targeting discussion before a default can change; a 
PR already exists and needs human review |
   
   ### ๐Ÿ”— Similar issues
   
   No similar open issues found (this is a specific KVM/QEMU video-model 
default question, distinct from other reports).
   
   <details><summary>๐Ÿ’ก Notes and suggestions</summary>
   
   - PR #13807 already implements a fix targeted at `main`; maintainer nvazquez 
asked whether it should also be backported to 4.22.
   - Consider whether the default should change generally (affecting rendering 
on other guest OSes) vs. Windows-only โ€” this needs the render matrix mentioned 
in the issue before merging a default change.
   
   </details>
   
   
   
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