Re: [edk2-devel] PR#5939 broke the legacy VM bootup

["Fiona Ebner" <f.ebner@proxmox.com>]

Hi,

Am 14.01.25 um 09:35 schrieb Ard Biesheuvel via groups.io:
> On Tue, 14 Jan 2025 at 09:31, Xu, Min M <min.m.xu@intel.com> wrote:
>>
>> On Tuesday, January 14, 2025 4:22 PM, Ard Biesheuvel wrote:
>>>
>>> On Tue, 14 Jan 2025 at 03:54, Xu, Min M <min.m.xu@intel.com> wrote:
>>>>
>>>> Hi, Crystal
>>>>
>>>> PR#5939 (https://github.com/tianocore/edk2/pull/5939) was merged yesterday
>>> but it seems it broke the legacy VM bootup.
>>>>
>>>>
>>>>
>>>> Below is the crash log of the failure.
>>>>
>>>
>>> I take it this crash occurs after loading shim?
>>
>> That's right. It seems in the EDK2 CI, there are only cases of "run to shell". So it is not triggered in CI test.
>>
> 
> This is a long standing bug in shim, that has been fixed 2 years ago
> [0] but the distros keep shipping outdated versions, due to the
> reluctance of MS to sign new shim builds.
> 
> The solutions are:
> - disable the EFI memory attributes protocol altogether.

Is this possible via a build macro/flag? Or alternatively via the QEMU
commandline/fw_cfg?

> - ignore the distros so they are forced to clean up their mess.

Is this the solution the EDK2 project opted for/status quo?

Best Regards,
Fiona



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