[edk2-devel] GVT-g VM takes a long time before OVMF splash shown - bisected

[edk2-devel] GVT-g VM takes a long time before OVMF splash shown - bisected

[Chris Stinson via groups.io]

This started with edk2-stable202311.  I bisected this to

# first bad commit: [e8aa4c6546ad5b04a1100fa2618e424f58e354f5] 
UefiCpuPkg/ResetVector: Cache Disable should not be set by default in CR0

I tried the lastest ovmf git master with same result.  Reverting the 
above commit fixed the issue.

I'm running Arch linux with kernel 6.7.4.



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[edk2-devel] GVT-g VM takes a long time before OVMF splash shown - bisected

[chriscjsus via groups.io]

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Sorry if this is a duplicate post.  I sent an email to devel@edk2.groups.io before creating an account on groups.io.

This started with edk2-stable202311.  I bisected this to

first bad commit: [e8aa4c6546ad5b04a1100fa2618e424f58e354f5] UefiCpuPkg/ResetVector: Cache Disable should not be set by default in CR0

I tried the lastest ovmf git master with same result.  Reverting the above commit fixed the issue.

I am running Arch linux with kernel 6.7.4.


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Re: [edk2-devel] GVT-g VM takes a long time before OVMF splash shown - bisected

[Laszlo Ersek]

Hi,

On 2/19/24 19:18, chriscjsus via groups.io wrote:
> Sorry if this is a duplicate post.  I sent an email to
> devel@edk2.groups.io <mailto:devel@edk2.groups.io> before creating an
> account on groups.io.
> 
> This started with edk2-stable202311.  I bisected this to
> 
> first bad commit: [e8aa4c6546ad5b04a1100fa2618e424f58e354f5]
> UefiCpuPkg/ResetVector: Cache Disable should not be set by default in CR0
> 
> I tried the lastest ovmf git master with same result.  Reverting the
> above commit fixed the issue.
> 
> I am running Arch linux with kernel 6.7.4.

This should be resolved by Gerd's patch set

  [edk2-devel] [PATCH v3 0/4] OvmfPkg/Sec: Setup MTRR early in the boot process.
  https://edk2.groups.io/g/devel/message/114781
  https://openfw.io/edk2-devel/20240130130441.772484-1-kraxel@redhat.com/

The first commit in the patch set explains the issue.

(IIUC, we're waiting on Min's confirmation wrt. TDX, under patch v3 1/4, before the v3 set can be merged.)

Laszlo



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