Re: [kvm-unit-tests PATCH v3 00/27] EFI and ACPI support for arm64

Alexandru Elisei
2022-07-22T14:41:27Z

Hi Nikos,

On Fri, Jul 22, 2022 at 11:57:09AM +0100, Nikos Nikoleris wrote:
> Hi Alex,
>
> On 19/07/2022 16:28, Alexandru Elisei wrote:
> > Hi,
> >
> > I've been trying to test the seris and I've come across some issues.
[..]
> >
> > The second error I'm encountering is when I try the selftest-setup test:
> >
> > [..]
> > ProtectUefiImageCommon - 0x4D046040
> > - 0x000000004BEC4000 - 0x000000000001F600
> > SetUefiImageMemoryAttributes - 0x000000004BEC4000 - 0x0000000000001000 (0x0000000000004008)
> > SetUefiImageMemoryAttributes - 0x000000004BEC5000 - 0x0000000000010000 (0x0000000000020008)
> > SetUefiImageMemoryAttributes - 0x000000004BED5000 - 0x000000000000F000 (0x0000000000004008)
> > InstallProtocolInterface: 752F3136-4E16-4FDC-A22A-E5F46812F4CA 4F8014E8
> > SetUefiImageMemoryAttributes - 0x000000004F640000 - 0x0000000000040000 (0x0000000000000008)
> > SetUefiImageMemoryAttributes - 0x000000004C2D0000 - 0x0000000000040000 (0x0000000000000008)
> > SetUefiImageMemoryAttributes - 0x000000004C280000 - 0x0000000000040000 (0x0000000000000008)
> > SetUefiImageMemoryAttributes - 0x000000004C230000 - 0x0000000000040000 (0x0000000000000008)
> > SetUefiImageMemoryAttributes - 0x000000004C140000 - 0x0000000000040000 (0x0000000000000008)
> > SetUefiImageMemoryAttributes - 0x000000004F600000 - 0x0000000000030000 (0x0000000000000008)
> > SetUefiImageMemoryAttributes - 0x000000004C040000 - 0x0000000000030000 (0x0000000000000008)
> > SetUefiImageMemoryAttributes - 0x000000004BFC0000 - 0x0000000000030000 (0x0000000000000008)
> > Load address: 4bec4000
> > PC: 4beca400 PC offset: 6400
> > Unhandled exception ec=0x25 (DABT_EL1)
> > Vector: 4 (el1h_sync)
> > ESR_EL1: 96000000, ec=0x25 (DABT_EL1)
> > FAR_EL1: 0000fffffffff0f8 (valid)
> > Exception frame registers:
> > pc : [<000000004beca400>] lr : [<000000004beca42c>] pstate: 400002c5
> > sp : 000000004f7ffe40
> > x29: 000000004f7ffff0 x28: 0000000000000000
> > x27: 000000004d046040 x26: 0000000000000000
> > x25: 0000000000000703 x24: 0000000000000050
> > x23: 0000000009011000 x22: 0000000000000000
> > x21: 000000000000001f x20: 0000fffffffff000
> > x19: 0000000043f92000 x18: 0000000000000000
> > x17: 00000000ffffa6ab x16: 000000004f513ebc
> > x15: 0000000000000002 x14: 000000004bed5000
> > x13: 000000004bee4000 x12: 000000004bed4000
> > x11: 000000004bec4000 x10: 000000004c03febc
> > x9 : 000000004bee2938 x8 : 0000000000000000
> > x7 : 0000000000000000 x6 : 000000004bee2900
> > x5 : 000000004bee2908 x4 : 0000000048000000
> > x3 : 0000000048000000 x2 : 000000004bee2928
> > x1 : 0000000000000003 x0 : ffffffffffffffff
> >
> >
> > EXIT: STATUS=127
> >
> > The preceding lines were omitted for brevity, the entire log can be found
> > at [1] (expires in 6 months).
> >
> > Command used to launch the test:
> >
> > $ QEMU=/path/to/qemu/build/qemu-system-aarch64 EFI_UEFI=/path/to/QEMU_EFI.fd taskset -c 4-5 arm/efi/run arm/selftest.efi -smp 2 -m 256 -append "setup smp=2 mem=256"
> >
> > qemu has been built from source, tag v7.0.0, configured with:
> >
> > $ ./configure --target-list=aarch64-softmmu --disable-vnc --disable-gtk --disable-bpf
> >
> > EDK2 image has been built from commit e1eef3a8b01a ("NetworkPkg: Add Wi-Fi
> > Wpa3 support in WifiConnectManager"):
> >
> > $ build -a AARCH64 -t GCC5 -p ArmVirtPkg/ArmVirtQemu.dsc -b DEBUG
> >
> > I tried to disassemble selftest.efi: $ objdump -d selftest.efi, but there
> > were no debug symbols in the output and it was impossible to figure what is
> > going on.
> >
> > [1] https://pastebin.com/0mcap1BU
>
> I haven't been to able to reproduce this. I've build from source qemu and
> EDK2 from source (the revisions you provided) and I've used gcc-10 to
> compile KUT but selftest-smp passes.

That's weird, I've compiled kvm-unit-tests with gcc 10.3.0 [1] and I'm still
seeing the error (tried it on my x86 machine), for both selftest-setup
selftest-smp.

Did you compile qemu and edk2 with gcc 10.3.0? Or did you use some other
compiler?

[1] https://developer.arm.com/-/media/Files/downloads/gnu-a/10.3-2021.07/binrel/gcc-arm-10.3-2021.07-x86_64-aarch64-none-linux-gnu.tar.xz

Thanks,
Alex

>
> Thanks,
>
> Nikos
>