Basic/buffer/buffer_migrate.cpp fails on PVC with driver 26.18.38308.1

[sarnex]

Describe the bug

https://github.com/intel/llvm/actions/runs/26102132424/job/76759987356?pr=22051
Failing on Linux PVC with new driver

  FAIL: SYCL :: Basic/buffer/buffer_migrate.cpp (1329 of 1902)
  ******************** TEST 'SYCL :: Basic/buffer/buffer_migrate.cpp' FAILED ********************
  Exit Code: -6
  
  Command Output (stdout):
  --
  # RUN: at line 3
  env ONEAPI_DEVICE_SELECTOR=level_zero:gpu  /__w/llvm/llvm/build-e2e/Basic/buffer/Output/buffer_migrate.cpp.tmp.out
  # executed command: env ONEAPI_DEVICE_SELECTOR=level_zero:gpu /__w/llvm/llvm/build-e2e/Basic/buffer/Output/buffer_migrate.cpp.tmp.out
  # .---command stdout------------
  # | 2 devices found
  # | Using on device 0: Intel(R) Data Center GPU Max 1100
  # | Using on device 1: Intel(R) Data Center GPU Max 1100
  # | Checking result on host: passed
  # | 3 ?= 3
  # `-----------------------------
  # RUN: at line 3
  env ONEAPI_DEVICE_SELECTOR=opencl:gpu  /__w/llvm/llvm/build-e2e/Basic/buffer/Output/buffer_migrate.cpp.tmp.out
  # executed command: env ONEAPI_DEVICE_SELECTOR=opencl:gpu /__w/llvm/llvm/build-e2e/Basic/buffer/Output/buffer_migrate.cpp.tmp.out
  # .---command stdout------------
  # | 2 devices found
  # | Using on device 0: Intel(R) Data Center GPU Max 1100
  # | Using on device 1: Intel(R) Data Center GPU Max 1100
  # | Checking result on host: passed
  # | 3 ?= 3
  # `-----------------------------
  # RUN: at line 3
  env env UR_LOADER_USE_LEVEL_ZERO_V2=1 ONEAPI_DEVICE_SELECTOR=level_zero:gpu  /__w/llvm/llvm/build-e2e/Basic/buffer/Output/buffer_migrate.cpp.tmp.out
  # executed command: env env UR_LOADER_USE_LEVEL_ZERO_V2=1 ONEAPI_DEVICE_SELECTOR=level_zero:gpu /__w/llvm/llvm/build-e2e/Basic/buffer/Output/buffer_migrate.cpp.tmp.out
  # .---command stdout------------
  # | 2 devices found
  # | Using on device 0: Intel(R) Data Center GPU Max 1100
  # | Using on device 1: Intel(R) Data Center GPU Max 1100
  # `-----------------------------
  # .---command stderr------------
  # | terminate called after throwing an instance of 'sycl::_V1::exception'
  # |   what():  level_zero backend failed with error: 44 (UR_RESULT_ERROR_UNSUPPORTED_FEATURE)
  # `-----------------------------
  # error: command failed with exit status: -6
  

To reproduce

No response

Environment

• OS: [e.g Windows/Linux]
• Target device and vendor: [e.g. Intel GPU]
• DPC++ version: [e.g. commit hash or output of clang++ --version]
• Dependencies version: [e.g. the output of sycl-ls --verbose]

Additional context

No response

[kswiecicki]

For similar failures, I’ve disabled the UR conformance tests here: #22077.