[edk2-devel] [PATCH 0/2] Update SevSecret API to work for TDX

[Laszlo Ersek]

On 12/17/20 20:23, Laszlo Ersek wrote:
> On 12/17/20 19:43, Laszlo Ersek wrote:
> 
>> I tried merging this:
>>
>> https://github.com/tianocore/edk2/pull/1235
>>
>> but the Ubuntu builds all failed. I've checked two logs:
>>
>> https://dev.azure.com/tianocore/edk2-ci/_build/results?buildId=16967&view=logs&j=cf2d8b26-a21c-5c68-abf4-b944c123e462&t=5ffbbe5c-1d3a-55f5-5ef3-8a0ef80d76a1&l=184
>> https://dev.azure.com/tianocore/edk2-ci/_build/results?buildId=16968&view=logs&j=47cf355a-6eb4-51a8-46a8-ff4028bfcac0&t=beedef5d-00d0-5a8c-fa35-57d7319988c2&l=182
>>
>> They say,
>>
>> INFO - /bin/sh: 1: qemu-system-aarch64: not found
>> INFO - /bin/sh: 1: qemu-system-x86_64: not found
> 
> The "Install qemu" tasks earlier seem to complete:
> 
> https://dev.azure.com/tianocore/edk2-ci/_build/results?buildId=16967&view=logs&j=cf2d8b26-a21c-5c68-abf4-b944c123e462&t=a5c654c1-e049-5a30-61a9-da81b8ec031f
> https://dev.azure.com/tianocore/edk2-ci/_build/results?buildId=16968&view=logs&j=47cf355a-6eb4-51a8-46a8-ff4028bfcac0&t=9a629c6e-a36d-5733-3aff-19ed2a42cf75
> 
> However, the qemu "4.2-3ubuntu6.10" package is a dummy package:
> 
>   https://packages.ubuntu.com/focal/qemu
> 
> and as shown under the link, it has no dependency on the packages with the actual qemu executables. So the latter do not get pulled in.
> 
> (Even the logs make that clear: "Need to get 14.3 kB of archives" -- obviously, a real QEMU won't fit in that, and no other packages get pulled in).
> 
> The meta-package that pulls in all system emulators is called "qemu-system":
> 
>   https://packages.ubuntu.com/focal/qemu-system
> 
> What I don't understand at this point is how the CI scripts could work previously.
> 
> ... Aha! I do understand it now. Look at one of the last successful PRs:
> 
>   https://github.com/tianocore/edk2/pull/1232
> 
> The CI logs contain this message:
> 
>   "##[warning]Ubuntu-latest pipelines will use Ubuntu-20.04 soon. For more details, see https://github.com/actions/virtual-environments/issues/1816"
> 
> So let's check out:
> 
>   https://github.com/actions/virtual-environments/issues/1816
> 
> Okay... so it looks like I'm the victim of "Ubuntu-latest" switching to 20.04 ("focal") from 18.04 ("bionic"). Compare the "qemu" package in both:
> 
>   https://packages.ubuntu.com/bionic/qemu
>   https://packages.ubuntu.com/focal/qemu
> 
> In the former, qemu depends on qemu-system (which depends further on the actual emulator subpackages), in the latter, qemu doesn't depend on anything.
> 
> According to <https://github.com/actions/virtual-environments/issues/1816>, we could change:
> 
> .azurepipelines/Ubuntu-GCC5.yml:    vm_image: 'ubuntu-latest'
> .azurepipelines/Ubuntu-PatchCheck.yml:  vmImage: 'ubuntu-latest'
> ArmVirtPkg/PlatformCI/.azurepipelines/Ubuntu-GCC5.yml:      vm_image: 'ubuntu-latest'
> EmulatorPkg/PlatformCI/.azurepipelines/Ubuntu-GCC5.yml:      vm_image: 'ubuntu-latest'
> OvmfPkg/PlatformCI/.azurepipelines/Ubuntu-GCC5.yml:      vm_image: 'ubuntu-latest'
> 
> to "ubuntu-18.04". But perhaps we should change:
> 
> ArmVirtPkg/PlatformCI/.azurepipelines/Ubuntu-GCC5.yml:        - bash: sudo apt-get install qemu
> OvmfPkg/PlatformCI/.azurepipelines/Ubuntu-GCC5.yml:        - bash: sudo apt-get install qemu
> 
> to "qemu-system", instead.

Well, no. I've just tried that:

  https://github.com/tianocore/edk2/pull/1236

and we have two problems with it:

(1) the emulator is now available, but it crashes:

https://dev.azure.com/tianocore/edk2-ci/_build/results?buildId=16975&view=logs&j=cf2d8b26-a21c-5c68-abf4-b944c123e462&t=5ffbbe5c-1d3a-55f5-5ef3-8a0ef80d76a1

"INFO - Segmentation fault (core dumped)"

(2) in spite of this failure, the mergify bot says, "All checks passed.
Auto close personal build." :/

So at the moment we can only go back to the 18.04LTS image. I'll try
that next.

Laszlo



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