Hi,

While building images for LE.UM.7.4.1 , AU tag- AU_LINUX_EMBEDDED_LE.UM.7.4.1_TARGET_ALL.01.394.080 the build was failing. Please find the trace below:

| build.py...
|  : error C0DE: Unknown fatal error when processing [/local/mnt/workspace/PAL/7.4.1/build-qti-distro-nogplv3-debug/tmp-glibc/work/sdxlemur-oe-linux-gnueabi/edk2/git-r0/edk2/QcomModulePkg/Application/LinuxLoader/LinuxLoader.inf]
|
| (Please send email to devel@edk2.groups.io<mailto:devel@edk2.groups.io> for help, attaching following call stack trace!)
|
| (Python 3.9.4 on linux) Traceback (most recent call last):
|   File "/local/mnt/workspace/PAL/7.4.1/build-qti-distro-nogplv3-debug/tmp-glibc/work/sdxlemur-oe-linux-gnueabi/edk2/git-r0/edk2/BaseTools/BinWrappers/PosixLike/../../Source/Python/build/build.py", line 2596, in Main
|     MyBuild.Launch()
|   File "/local/mnt/workspace/PAL/7.4.1/build-qti-distro-nogplv3-debug/tmp-glibc/work/sdxlemur-oe-linux-gnueabi/edk2/git-r0/edk2/BaseTools/BinWrappers/PosixLike/../../Source/Python/build/build.py", line 2391, in Launch
|     self._MultiThreadBuildPlatform()
|   File "/local/mnt/workspace/PAL/7.4.1/build-qti-distro-nogplv3-debug/tmp-glibc/work/sdxlemur-oe-linux-gnueabi/edk2/git-r0/edk2/BaseTools/BinWrappers/PosixLike/../../Source/Python/build/build.py", line 2271, in _MultiThreadBuildPlatform
|     self.CreateAsBuiltInf()
|   File "/local/mnt/workspace/PAL/7.4.1/build-qti-distro-nogplv3-debug/tmp-glibc/work/sdxlemur-oe-linux-gnueabi/edk2/git-r0/edk2/BaseTools/BinWrappers/PosixLike/../../Source/Python/build/build.py", line 2401, in CreateAsBuiltInf
|     Module.CreateAsBuiltInf()
|   File "/local/mnt/workspace/PAL/7.4.1/build-qti-distro-nogplv3-debug/tmp-glibc/work/sdxlemur-oe-linux-gnueabi/edk2/git-r0/edk2/BaseTools/Source/Python/AutoGen/ModuleAutoGen.py", line 1503, in CreateAsBuiltInf
|     PatchList = parsePcdInfoFromMapFile(
|   File "/local/mnt/workspace/PAL/7.4.1/build-qti-distro-nogplv3-debug/tmp-glibc/work/sdxlemur-oe-linux-gnueabi/edk2/git-r0/edk2/BaseTools/Source/Python/GenPatchPcdTable/GenPatchPcdTable.py", line 56, in parsePcdInfoFromMapFile
|     return _parseForGCC(lines, efifilepath)
|   File "/local/mnt/workspace/PAL/7.4.1/build-qti-distro-nogplv3-debug/tmp-glibc/work/sdxlemur-oe-linux-gnueabi/edk2/git-r0/edk2/BaseTools/Source/Python/GenPatchPcdTable/GenPatchPcdTable.py", line 113, in _parseForGCC
|     efisecs = PeImageClass(efifilepath).SectionHeaderList
|   File "/local/mnt/workspace/PAL/7.4.1/build-qti-distro-nogplv3-debug/tmp-glibc/work/sdxlemur-oe-linux-gnueabi/edk2/git-r0/edk2/BaseTools/Source/Python/Common/Misc.py", line 1638, in __init__
|     if ByteArray.tostring() != b'PE\0\0':
| AttributeError: 'array.array' object has no attribute 'tostring'
|
|
| - Failed -
| Build end time: 07:23:45, Jun.22 2022
| Build total time: 00:00:19

amissing@blr-ubuntu-621:/local/mnt/workspace$<mailto:amissing@blr-ubuntu-621:/local/mnt/workspace/PAL/7.4.1/build-qti-distro-nogplv3-debug$> python --version
Python 2.7.12
amissing@blr-ubuntu-621:/local/mnt/workspace$<mailto:amissing@blr-ubuntu-621:/local/mnt/workspace/PAL/7.4.1/build-qti-distro-nogplv3-debug$> python3 --version
Python 3.7.4

Regards
Amisha Singh