diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 7a7363942..2c11fcc4b 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -89,92 +89,93 @@ jobs:
     - name: Run tests under valgrind
       run: ${{github.workspace}}/test/test_valgrind.sh ${{github.workspace}} ${{github.workspace}}/build ${{matrix.tool}}
 
-  icx:
-    name: ICX
-    env:
-      VCPKG_PATH: "${{github.workspace}}/build/vcpkg/packages/hwloc_x64-windows;${{github.workspace}}/build/vcpkg/packages/tbb_x64-windows;${{github.workspace}}/build/vcpkg/packages/jemalloc_x64-windows"
-      BUILD_DIR : "${{github.workspace}}/build"
-    strategy:
-      matrix:
-        os: ['windows-2019', 'windows-2022']
-        build_type: [Debug]
-        compiler: [{c: icx, cxx: icx}]
-        shared_library: ['ON', 'OFF']
-        include:
-          - os: windows-2022
-            build_type: Release
-            compiler: {c: icx, cxx: icx}
-            shared_library: 'ON'
-
-    runs-on: ${{matrix.os}}
-
-    steps:
-    - name: Checkout
-      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
-      with:
-        fetch-depth: 0
-
-    - name: Initialize vcpkg
-      uses: lukka/run-vcpkg@5e0cab206a5ea620130caf672fce3e4a6b5666a1 # v11.5
-      with:
-        vcpkgGitCommitId: 3dd44b931481d7a8e9ba412621fa810232b66289
-        vcpkgDirectory: ${{env.BUILD_DIR}}/vcpkg
-        vcpkgJsonGlob: '**/vcpkg.json'
-
-    - name: Install dependencies
-      run: vcpkg install
-
-    - name: Install Ninja
-      uses: seanmiddleditch/gha-setup-ninja@96bed6edff20d1dd61ecff9b75cc519d516e6401 # v5
-
-    - name: Download icx compiler
-      env:
-        # Link source: https://www.intel.com/content/www/us/en/developer/tools/oneapi/dpc-compiler-download.html
-        CMPLR_LINK: "https://registrationcenter-download.intel.com/akdlm/IRC_NAS/15a35578-2f9a-4f39-804b-3906e0a5f8fc/w_dpcpp-cpp-compiler_p_2024.2.1.83_offline.exe"
-      run: |
-        Invoke-WebRequest -Uri "${{ env.CMPLR_LINK }}" -OutFile compiler_install.exe
-
-    - name: Install icx compiler
-      shell: cmd
-      run: |
-        start /b /wait .\compiler_install.exe -s -x -f extracted --log extract.log
-        extracted\bootstrapper.exe -s --action install --eula=accept -p=NEED_VS2017_INTEGRATION=0 ^
-          -p=NEED_VS2019_INTEGRATION=0 -p=NEED_VS2022_INTEGRATION=0 --log-dir=.
-
-    - name: Configure build
-      shell: cmd
-      run: |
-        call "C:\Program Files (x86)\Intel\oneAPI\setvars.bat"
-        call "C:\Program Files (x86)\Intel\oneAPI\setvars-vcvarsall.bat"
-        cmake ^
-          -B ${{env.BUILD_DIR}} ^
-          -DCMAKE_PREFIX_PATH="${{env.VCPKG_PATH}}" ^
-          -DCMAKE_C_COMPILER=${{matrix.compiler.c}} ^
-          -DCMAKE_CXX_COMPILER=${{matrix.compiler.cxx}} ^
-          -G Ninja ^
-          -DUMF_BUILD_SHARED_LIBRARY=${{matrix.shared_library}} ^
-          -DUMF_FORMAT_CODE_STYLE=OFF ^
-          -DUMF_DEVELOPER_MODE=ON ^
-          -DUMF_BUILD_LIBUMF_POOL_DISJOINT=ON ^
-          -DUMF_BUILD_LIBUMF_POOL_JEMALLOC=ON ^
-          -DUMF_BUILD_LEVEL_ZERO_PROVIDER=ON ^
-          -DUMF_BUILD_CUDA_PROVIDER=ON ^
-          -DUMF_TESTS_FAIL_ON_SKIP=ON
-
-    - name: Build UMF
-      shell: cmd
-      run: |
-        call "C:\Program Files (x86)\Intel\oneAPI\setvars.bat"
-        call "C:\Program Files (x86)\Intel\oneAPI\setvars-vcvarsall.bat"
-        cmake --build ${{env.BUILD_DIR}} --config ${{matrix.build_type}} -j %NUMBER_OF_PROCESSORS%
-
-    - name: Run tests
-      shell: cmd
-      working-directory: ${{env.BUILD_DIR}}
-      run: |
-        call "C:\Program Files (x86)\Intel\oneAPI\setvars.bat"
-        call "C:\Program Files (x86)\Intel\oneAPI\setvars-vcvarsall.bat"
-        ctest -C ${{matrix.build_type}} --output-on-failure --test-dir test
+  # TODO fix #843
+  #icx:
+  #  name: ICX
+  #  env:
+  #    VCPKG_PATH: "${{github.workspace}}/build/vcpkg/packages/hwloc_x64-windows;${{github.workspace}}/build/vcpkg/packages/tbb_x64-windows;${{github.workspace}}/build/vcpkg/packages/jemalloc_x64-windows"
+  #    BUILD_DIR : "${{github.workspace}}/build"
+  #  strategy:
+  #    matrix:
+  #      os: ['windows-2019', 'windows-2022']
+  #      build_type: [Debug]
+  #      compiler: [{c: icx, cxx: icx}]
+  #      shared_library: ['ON', 'OFF']
+  #      include:
+  #        - os: windows-2022
+  #          build_type: Release
+  #          compiler: {c: icx, cxx: icx}
+  #          shared_library: 'ON'
+  #
+  #  runs-on: ${{matrix.os}}
+  #
+  #  steps:
+  #  - name: Checkout
+  #    uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+  #    with:
+  #      fetch-depth: 0
+  #
+  #  - name: Initialize vcpkg
+  #    uses: lukka/run-vcpkg@5e0cab206a5ea620130caf672fce3e4a6b5666a1 # v11.5
+  #    with:
+  #      vcpkgGitCommitId: 3dd44b931481d7a8e9ba412621fa810232b66289
+  #      vcpkgDirectory: ${{env.BUILD_DIR}}/vcpkg
+  #      vcpkgJsonGlob: '**/vcpkg.json'
+  #
+  #  - name: Install dependencies
+  #    run: vcpkg install
+  #
+  #  - name: Install Ninja
+  #    uses: seanmiddleditch/gha-setup-ninja@96bed6edff20d1dd61ecff9b75cc519d516e6401 # v5
+  #
+  #  - name: Download icx compiler
+  #    env:
+  #      # Link source: https://www.intel.com/content/www/us/en/developer/tools/oneapi/dpc-compiler-download.html
+  #      CMPLR_LINK: "https://registrationcenter-download.intel.com/akdlm/IRC_NAS/15a35578-2f9a-4f39-804b-3906e0a5f8fc/w_dpcpp-cpp-compiler_p_2024.2.1.83_offline.exe"
+  #    run: |
+  #      Invoke-WebRequest -Uri "${{ env.CMPLR_LINK }}" -OutFile compiler_install.exe
+  #
+  #  - name: Install icx compiler
+  #    shell: cmd
+  #    run: |
+  #      start /b /wait .\compiler_install.exe -s -x -f extracted --log extract.log
+  #      extracted\bootstrapper.exe -s --action install --eula=accept -p=NEED_VS2017_INTEGRATION=0 ^
+  #        -p=NEED_VS2019_INTEGRATION=0 -p=NEED_VS2022_INTEGRATION=0 --log-dir=.
+  #
+  #  - name: Configure build
+  #    shell: cmd
+  #    run: |
+  #      call "C:\Program Files (x86)\Intel\oneAPI\setvars.bat"
+  #      call "C:\Program Files (x86)\Intel\oneAPI\setvars-vcvarsall.bat"
+  #      cmake ^
+  #        -B ${{env.BUILD_DIR}} ^
+  #        -DCMAKE_PREFIX_PATH="${{env.VCPKG_PATH}}" ^
+  #        -DCMAKE_C_COMPILER=${{matrix.compiler.c}} ^
+  #        -DCMAKE_CXX_COMPILER=${{matrix.compiler.cxx}} ^
+  #        -G Ninja ^
+  #        -DUMF_BUILD_SHARED_LIBRARY=${{matrix.shared_library}} ^
+  #        -DUMF_FORMAT_CODE_STYLE=OFF ^
+  #        -DUMF_DEVELOPER_MODE=ON ^
+  #        -DUMF_BUILD_LIBUMF_POOL_DISJOINT=ON ^
+  #        -DUMF_BUILD_LIBUMF_POOL_JEMALLOC=ON ^
+  #        -DUMF_BUILD_LEVEL_ZERO_PROVIDER=ON ^
+  #        -DUMF_BUILD_CUDA_PROVIDER=ON ^
+  #        -DUMF_TESTS_FAIL_ON_SKIP=ON
+  #
+  #  - name: Build UMF
+  #    shell: cmd
+  #    run: |
+  #      call "C:\Program Files (x86)\Intel\oneAPI\setvars.bat"
+  #      call "C:\Program Files (x86)\Intel\oneAPI\setvars-vcvarsall.bat"
+  #      cmake --build ${{env.BUILD_DIR}} --config ${{matrix.build_type}} -j %NUMBER_OF_PROCESSORS%
+  #
+  #  - name: Run tests
+  #    shell: cmd
+  #    working-directory: ${{env.BUILD_DIR}}
+  #    run: |
+  #      call "C:\Program Files (x86)\Intel\oneAPI\setvars.bat"
+  #      call "C:\Program Files (x86)\Intel\oneAPI\setvars-vcvarsall.bat"
+  #      ctest -C ${{matrix.build_type}} --output-on-failure --test-dir test
 
   L0:
     uses: ./.github/workflows/reusable_gpu.yml
@@ -185,7 +186,7 @@ jobs:
     with:
       name: "CUDA"
 
-  # Full exeuction of QEMU tests
+  # Full execution of QEMU tests
   QEMU:
     uses: ./.github/workflows/reusable_qemu.yml
     with: