[mono][llvm] Linux-arm64 llvmfullaot build fails with missing libclang-9.so.1

[jandupej]

Build fails with Libclang '/usr/lib/llvm-9/lib/libclang-9.so.1' doesn't exist. It's on an extra platform, so removing blocking-clean-ci

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=255903
Build error leg or test failing: Build / linux-arm64 Release AllSubsets_Mono_LLVMFullAot_RuntimeTests llvmfullaot / Build Mono LLVM AOT cross compiler
Pull request: #85458

Error Message

Fill the error message using known issues guidance.

{
  "ErrorMessage": "Libclang '/usr/lib/llvm-9/lib/libclang-9.so.1' doesn't exist.",
  "BuildRetry": false,
  "ErrorPattern": "",
  "ExcludeConsoleLog": false
}

Report

Build	Definition	Step Name	Console log	Pull Request
270179	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log	#86050
270139	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
269658	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
269142	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log	#86050
268718	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
268078	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
267827	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
267715	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log	#85908
267007	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
266742	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
266495	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
265629	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log	#85908
266409	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
265427	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log	#85810
265291	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
265057	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
264846	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
264752	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log	#85852
264751	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log	#85851
264750	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log	#85850
264740	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log	#85847
264749	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log	#85849
264500	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
264235	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log	#85692
264051	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
263902	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log	#85185
263342	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
262840	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
261788	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log	#84566
261990	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
261437	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
258928	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log	#84566
261188	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log	#85692
260534	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
259956	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
258971	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
258590	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
258289	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log	#85601
257874	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
257815	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log	#85504
257694	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
257380	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
257197	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
257000	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
256625	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
256353	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
255903	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log	#85458
255744	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
255582	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
255331	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
255110	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log
254950	dotnet/runtime	Build Mono LLVM AOT cross compiler	Log

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
3	28	52

[steveisok]

@directhex please take a look.

[filipnavara]

I think the particular cbl-mariner image doesn't use the version suffix for clang but that should be easy enough to verify by checking the docker image.