Re: ed2k-ovmf missing "4M version"

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On Sat, 2022-09-24 at 19:05 -0400, Sam Varshavchik wrote:
> It seems that Win10 guest VMs are now choking after Microsoft did
> …something  
> to reject the current OVMF firmware.
> 
> This entire discussion, pretty much, is way over my head:
> 
> https://github.com/tianocore/edk2/discussions/3221
> 
> As best as I can make things out:
> 
> There is an alternative OVMF firware called "4M" firmware that works.
> 
> The edk2-ovmf package contains files named OVMF_CODE.secboot.fd and  
> OVMF_VARS.secboot.fd which are blacklisted by Microsoft.
> 
> Debian and other distributions apparently ship "OVMF_CODE_4M" and  
> "OVMF_VARS_4M" firmware which is still good. People have reported
> success  
> extracting those images and repointing their qemu VM configuration to
> them.
> 
> I don't grasp the underlying issue well enough to be able to file
> something  
> intelligent in Bugzilla, in order to update Fedora packaging. I'm
> hoping  
> that someone else here has enough domain knowledge to create a bug
> that  
> points the ed2k packagers in the right direction. I tried looking at
> the  
> SRPM, and I did not see anything in there that I could understand.

I'm no expert either, but by coincidence I fired up a Win10 VM
yesterday for the first time in several months and (after taking ages
to update itself) it worked without problems. Is this issue only
appearing with new VM installations?

poc
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