Re: edk2 occur Data abort: Alignment fault on ARM64

[Shannon Zhao <zhaoshenglong@huawei.com>]

On 2017/11/11 22:14, Shannon Zhao wrote:
> Hi Ard,
> 
> On 2017/11/11 19:55, Ard Biesheuvel wrote:
>> > On 11 November 2017 at 11:48, Shannon Zhao <zhaoshenglong@huawei.com> wrote:
>>>> >> > Hi,
>>>> >> >
>>>> >> > I'm using UDK2017(commit is eea98ee UefiCpuPkg/MpLib: fix potential
>>>> >> > overflow issue.) to start a VM on ARM64. But I got below exception
>>>> >> > sometimes. While I debug this issue, I didn't find some valuable
>>>> >> > information. Do you have any suggestion? Thanks.
>>>> >> >
>> > Could you try this please?
>> > 
>> > diff --git a/ArmVirtPkg/ArmVirt.dsc.inc b/ArmVirtPkg/ArmVirt.dsc.inc
>> > index c92a69281ae4..6b38c9b21f80 100644
>> > --- a/ArmVirtPkg/ArmVirt.dsc.inc
>> > +++ b/ArmVirtPkg/ArmVirt.dsc.inc
>> > @@ -228,6 +228,7 @@
>> >    MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
>> > 
>> >  [LibraryClasses.common.DXE_RUNTIME_DRIVER]
>> > +  BaseMemoryLib|MdePkg/Library/BaseMemoryLib/BaseMemoryLib.inf
>> >    MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
>> >    CapsuleLib|MdeModulePkg/Library/DxeCapsuleLibNull/DxeCapsuleLibNull.inf
>> > 
> I test this and looks like it works so far. I will test it for longer
> timer. Thanks a lot.

I've tested this patch for 24 hours without previous issue happening. It
does solve this issue I think.

Ard, will you submit a patch?

Thanks,
-- 
Shannon