Intel Icelake Kernel Bug Intel Core i7-1065G7 testing with a Dell 077Y9N (1.0.7 BIOS) and Intel Iris Plus G7 3GB on Ubuntu 20.04 via the Phoronix Test Suite. Linux 5.3: Processor: Intel Core i7-1065G7 @ 3.90GHz (4 Cores / 8 Threads), Motherboard: Dell 06CDVY (1.0.9 BIOS), Chipset: Intel Device 34ef, Memory: 16GB, Disk: KBG40ZPZ512G NVMe TOSHIBA 512GB, Graphics: Intel Iris Plus G7 3GB (1100MHz), Audio: Realtek ALC289, Network: Intel Killer Wi-Fi 6 AX1650i 160MHz OS: Ubuntu 19.10, Kernel: 5.3.0-46-generic (x86_64), Desktop: GNOME Shell 3.34.3, Display Server: X Server 1.20.8, Display Driver: modesetting 1.20.8, OpenGL: 4.6 Mesa 20.1.0-devel (git-95f555a 2020-04-21 eoan-oibaf-ppa), OpenCL: OpenCL 2.1, Compiler: GCC 9.2.1 20191008, File-System: ext4, Screen Resolution: 1920x1200 Linux 5.6.6: Processor: Intel Core i7-1065G7 @ 3.90GHz (4 Cores / 8 Threads), Motherboard: Dell 06CDVY (1.0.9 BIOS), Chipset: Intel Device 34ef, Memory: 16GB, Disk: KBG40ZPZ512G NVMe TOSHIBA 512GB, Graphics: Intel Iris Plus G7 3GB (1100MHz), Audio: Realtek ALC289, Network: Intel Killer Wi-Fi 6 AX1650i 160MHz OS: Ubuntu 19.10, Kernel: 5.6.6-050606-generic (x86_64), Desktop: GNOME Shell 3.34.3, Display Server: X Server 1.20.8, Display Driver: modesetting 1.20.8, OpenGL: 4.6 Mesa 20.1.0-devel (git-95f555a 2020-04-21 eoan-oibaf-ppa), OpenCL: OpenCL 2.1, Compiler: GCC 9.2.1 20191008, File-System: ext4, Screen Resolution: 1920x1200 Linux 5.7 Git: Processor: Intel Core i7-1065G7 @ 3.90GHz (4 Cores / 8 Threads), Motherboard: Dell 06CDVY (1.0.9 BIOS), Chipset: Intel Device 34ef, Memory: 16GB, Disk: KBG40ZPZ512G NVMe TOSHIBA 512GB, Graphics: Intel Iris Plus G7 3GB (1100MHz), Audio: Realtek ALC289, Network: Intel Killer Wi-Fi 6 AX1650i 160MHz OS: Ubuntu 19.10, Kernel: 5.7.0-999-generic (x86_64) 20200419, Desktop: GNOME Shell 3.34.3, Display Server: X Server 1.20.8, Display Driver: modesetting 1.20.8, OpenGL: 4.6 Mesa 20.1.0-devel (git-95f555a 2020-04-21 eoan-oibaf-ppa), OpenCL: OpenCL 2.1, Compiler: GCC 9.2.1 20191008, File-System: ext4, Screen Resolution: 1920x1200 Linux 5.6.0-1008-oem: Processor: Intel Core i7-1065G7 @ 3.90GHz (4 Cores / 8 Threads), Motherboard: Dell 077Y9N (1.0.7 BIOS), Chipset: Intel Device 34ef, Memory: 16GB, Disk: PC SN730 NVMe WDC 1024GB, Graphics: Intel Iris Plus G7 3GB (1100MHz), Audio: Realtek ALC289, Network: Intel Killer Wi-Fi 6 AX1650i 160MHz OS: Ubuntu 20.04, Kernel: 5.6.0-1008-oem (x86_64), Desktop: GNOME Shell 3.36.1, Display Server: X Server 1.20.8, Display Driver: modesetting 1.20.8, OpenGL: 4.6 Mesa 20.0.4, Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1920x1200 Linux 5.6 thermald v2.1: Processor: Intel Core i7-1065G7 @ 3.90GHz (4 Cores / 8 Threads), Motherboard: Dell 077Y9N (1.0.7 BIOS), Chipset: Intel Device 34ef, Memory: 16GB, Disk: PC SN730 NVMe WDC 1024GB, Graphics: Intel Iris Plus G7 3GB (1100MHz), Audio: Realtek ALC289, Network: Intel Killer Wi-Fi 6 AX1650i 160MHz OS: Ubuntu 20.04, Kernel: 5.6.0-1010-oem (x86_64), Desktop: GNOME Shell 3.36.1, Display Server: X Server 1.20.8, Display Driver: modesetting 1.20.8, OpenGL: 4.6 Mesa 20.0.4, Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1920x1200 Linux 5.4.0-31 thermald v2.1: Processor: Intel Core i7-1065G7 @ 3.90GHz (4 Cores / 8 Threads), Motherboard: Dell 077Y9N (1.0.7 BIOS), Chipset: Intel Device 34ef, Memory: 16GB, Disk: PC SN730 NVMe WDC 1024GB, Graphics: Intel Iris Plus G7 3GB (1100MHz), Audio: Realtek ALC289, Network: Intel Killer Wi-Fi 6 AX1650i 160MHz OS: Ubuntu 20.04, Kernel: 5.4.0-31-generic (x86_64), Desktop: GNOME Shell 3.36.1, Display Server: X Server 1.20.8, Display Driver: modesetting 1.20.8, OpenGL: 4.6 Mesa 20.0.4, Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1920x1200 ET: Legacy 2.75 Renderer: Renderer2 - Resolution: 1920 x 1200 Frames Per Second > Higher Is Better Linux 5.3 .................... 100.0 |======================================= Linux 5.6.6 .................. 69.2 |=========================== Linux 5.7 Git ................ 77.6 |============================== Linux 5.6.0-1008-oem ......... 89.7 |=================================== Linux 5.6 thermald v2.1 ...... 106.3 |========================================= Linux 5.4.0-31 thermald v2.1 . 92.5 |==================================== ParaView 5.4.1 Test: Many Spheres - Resolution: 1920 x 1200 Frames / Sec > Higher Is Better Linux 5.3 .................... 5.73 |========================================== Linux 5.6.6 .................. 4.42 |================================ Linux 5.7 Git ................ 4.38 |================================ Linux 5.6.0-1008-oem ......... 3.77 |============================ Linux 5.6 thermald v2.1 ...... 5.38 |======================================= Linux 5.4.0-31 thermald v2.1 . 5.36 |======================================= ParaView 5.4.1 Test: Many Spheres - Resolution: 1920 x 1200 MiPolys / Sec > Higher Is Better Linux 5.3 .................... 574.24 |======================================== Linux 5.6.6 .................. 442.63 |=============================== Linux 5.7 Git ................ 439.14 |=============================== Linux 5.6.0-1008-oem ......... 378.11 |========================== Linux 5.6 thermald v2.1 ...... 539.64 |====================================== Linux 5.4.0-31 thermald v2.1 . 537.15 |===================================== ParaView 5.4.1 Test: Wavelet Volume - Resolution: 1920 x 1200 Frames / Sec > Higher Is Better Linux 5.3 .................... 30.17 |========================== Linux 5.6.6 .................. 36.95 |================================ Linux 5.7 Git ................ 39.25 |================================== Linux 5.6.0-1008-oem ......... 33.39 |============================= Linux 5.6 thermald v2.1 ...... 47.49 |========================================= Linux 5.4.0-31 thermald v2.1 . 29.96 |========================== ParaView 5.4.1 Test: Wavelet Volume - Resolution: 1920 x 1200 MiVoxels / Sec > Higher Is Better Linux 5.3 .................... 482.71 |========================= Linux 5.6.6 .................. 591.11 |=============================== Linux 5.7 Git ................ 628.06 |================================= Linux 5.6.0-1008-oem ......... 534.16 |============================ Linux 5.6 thermald v2.1 ...... 759.92 |======================================== Linux 5.4.0-31 thermald v2.1 . 479.39 |========================= ParaView 5.4.1 Test: Wavelet Contour - Resolution: 1920 x 1200 Frames / Sec > Higher Is Better Linux 5.3 .................... 39.56 |========================================= Linux 5.6.6 .................. 17.13 |================== Linux 5.7 Git ................ 17.31 |================== Linux 5.6.0-1008-oem ......... 16.79 |================= Linux 5.6 thermald v2.1 ...... 39.05 |======================================== Linux 5.4.0-31 thermald v2.1 . 38.60 |======================================== ParaView 5.4.1 Test: Wavelet Contour - Resolution: 1920 x 1200 MiPolys / Sec > Higher Is Better Linux 5.3 .................... 412.26 |======================================== Linux 5.6.6 .................. 178.46 |================= Linux 5.7 Git ................ 180.38 |================== Linux 5.6.0-1008-oem ......... 175.01 |================= Linux 5.6 thermald v2.1 ...... 406.91 |======================================= Linux 5.4.0-31 thermald v2.1 . 402.28 |======================================= WireGuard + Linux Networking Stack Stress Test Seconds < Lower Is Better Linux 5.6.6 .................. 11131.83 |====================================== Linux 5.7 Git ................ 438.05 |= Linux 5.6.0-1008-oem ......... 712.97 |== Linux 5.6 thermald v2.1 ...... 331.20 |= Linux 5.4.0-31 thermald v2.1 . 321.75 |= Embree 3.9.0 Binary: Pathtracer ISPC - Model: Crown Frames Per Second > Higher Is Better Linux 5.3 .................... 3.3218 |======================================== Linux 5.6.6 .................. 1.8423 |====================== Linux 5.7 Git ................ 1.8797 |======================= Linux 5.6.0-1008-oem ......... 1.6846 |==================== Linux 5.6 thermald v2.1 ...... 2.8891 |=================================== Linux 5.4.0-31 thermald v2.1 . 2.9093 |=================================== OpenVKL 0.9 Benchmark: vklBenchmark Items / Sec > Higher Is Better Linux 5.3 .................... 75.86 |========================================= Linux 5.6.6 .................. 36.25 |==================== Linux 5.7 Git ................ 36.47 |==================== Linux 5.6.0-1008-oem ......... 26.72 |============== Linux 5.6 thermald v2.1 ...... 74.92 |======================================== Linux 5.4.0-31 thermald v2.1 . 74.97 |========================================= Darktable 2.6.0 Test: Boat - Acceleration: CPU-only Seconds < Lower Is Better Linux 5.3 ..... 17.91 |============================ Linux 5.6.6 ... 35.29 |======================================================== Linux 5.7 Git . 34.61 |======================================================= Darktable 2.6.0 Test: Masskrug - Acceleration: CPU-only Seconds < Lower Is Better Linux 5.3 ..... 11.07 |=============================== Linux 5.6.6 ... 19.69 |======================================================== Linux 5.7 Git . 19.19 |======================================================= Darktable 2.6.0 Test: Server Rack - Acceleration: CPU-only Seconds < Lower Is Better Linux 5.3 ..... 0.212 |===================================================== Linux 5.6.6 ... 0.225 |======================================================== Linux 5.7 Git . 0.226 |======================================================== Darktable 2.6.0 Test: Server Room - Acceleration: CPU-only Seconds < Lower Is Better Linux 5.3 ..... 7.895 |============================ Linux 5.6.6 ... 15.700 |======================================================= Linux 5.7 Git . 15.521 |====================================================== GEGL Operation: Scale Seconds < Lower Is Better Linux 5.3 .................... 6.923 |=============================== Linux 5.6.6 .................. 9.276 |========================================= Linux 5.7 Git ................ 9.253 |========================================= Linux 5.6.0-1008-oem ......... 7.996 |=================================== Linux 5.6 thermald v2.1 ...... 5.163 |======================= Linux 5.4.0-31 thermald v2.1 . 5.191 |======================= GEGL Operation: Cartoon Seconds < Lower Is Better Linux 5.3 .................... 94.04 |============================ Linux 5.6.6 .................. 118.42 |==================================== Linux 5.7 Git ................ 116.76 |=================================== Linux 5.6.0-1008-oem ......... 133.10 |======================================== Linux 5.6 thermald v2.1 ...... 94.97 |============================= Linux 5.4.0-31 thermald v2.1 . 94.80 |============================ GEGL Operation: Reflect Seconds < Lower Is Better Linux 5.3 .................... 31.26 |=============================== Linux 5.6.6 .................. 38.08 |====================================== Linux 5.7 Git ................ 37.93 |====================================== Linux 5.6.0-1008-oem ......... 40.95 |========================================= Linux 5.6 thermald v2.1 ...... 30.02 |============================== Linux 5.4.0-31 thermald v2.1 . 29.93 |============================== GEGL Operation: Antialias Seconds < Lower Is Better Linux 5.3 .................... 41.93 |============================== Linux 5.6.6 .................. 52.82 |====================================== Linux 5.7 Git ................ 52.32 |===================================== Linux 5.6.0-1008-oem ......... 57.50 |========================================= Linux 5.6 thermald v2.1 ...... 39.97 |============================= Linux 5.4.0-31 thermald v2.1 . 40.00 |============================= GIMP 2.10.8 Test: resize Seconds < Lower Is Better Linux 5.3 ..... 9.152 |==================================== Linux 5.6.6 ... 13.878 |======================================================= Linux 5.7 Git . 13.767 |======================================================= GIMP 2.10.8 Test: rotate Seconds < Lower Is Better Linux 5.3 ..... 11.76 |=========================================== Linux 5.6.6 ... 15.19 |======================================================== Linux 5.7 Git . 15.08 |======================================================== GIMP 2.10.8 Test: auto-levels Seconds < Lower Is Better Linux 5.3 ..... 13.99 |====================================== Linux 5.6.6 ... 20.87 |======================================================== Linux 5.7 Git . 20.66 |======================================================= GIMP 2.10.8 Test: unsharp-mask Seconds < Lower Is Better Linux 5.3 ..... 16.66 |===================================== Linux 5.6.6 ... 25.27 |======================================================== Linux 5.7 Git . 25.05 |======================================================== G'MIC Test: 2D Function Plotting, 1000 Times Seconds < Lower Is Better Linux 5.7 Git . 159.86 |======================================================= G'MIC Test: Plotting Isosurface Of A 3D Volume, 1000 Times Seconds < Lower Is Better Linux 5.3 .................... 17.30 |============================== Linux 5.6.6 .................. 21.13 |===================================== Linux 5.7 Git ................ 21.14 |===================================== Linux 5.6.0-1008-oem ......... 23.69 |========================================= Linux 5.6 thermald v2.1 ...... 16.70 |============================= Linux 5.4.0-31 thermald v2.1 . 16.71 |============================= G'MIC Test: 3D Elevated Function In Random Colors, 100 Times Seconds < Lower Is Better Linux 5.7 Git . 65.94 |======================================================== Inkscape Operation: SVG Files To PNG Seconds < Lower Is Better Linux 5.3 .................... 23.10 |============================== Linux 5.6.6 .................. 29.34 |====================================== Linux 5.7 Git ................ 29.10 |====================================== Linux 5.6.0-1008-oem ......... 31.61 |========================================= Linux 5.6 thermald v2.1 ...... 21.87 |============================ Linux 5.4.0-31 thermald v2.1 . 21.90 |============================ LibreOffice Test: 20 Documents To PDF Seconds < Lower Is Better Linux 5.3 .................... 6.570 |============================== Linux 5.6.6 .................. 7.940 |===================================== Linux 5.7 Git ................ 7.930 |===================================== Linux 5.6.0-1008-oem ......... 8.874 |========================================= Linux 5.6 thermald v2.1 ...... 6.373 |============================= Linux 5.4.0-31 thermald v2.1 . 6.368 |============================= PyBench 2018-02-16 Total For Average Test Times Milliseconds < Lower Is Better Linux 5.3 .................... 882 |=============================== Linux 5.6.6 .................. 1108 |======================================= Linux 5.7 Git ................ 1114 |======================================= Linux 5.6.0-1008-oem ......... 1193 |========================================== Linux 5.6 thermald v2.1 ...... 825 |============================= Linux 5.4.0-31 thermald v2.1 . 822 |============================= PHPBench 0.8.1 PHP Benchmark Suite Score > Higher Is Better Linux 5.3 .................... 794209 |====================================== Linux 5.6.6 .................. 646152 |=============================== Linux 5.7 Git ................ 641197 |=============================== Linux 5.6.0-1008-oem ......... 592263 |============================ Linux 5.6 thermald v2.1 ...... 833942 |======================================== Linux 5.4.0-31 thermald v2.1 . 828511 |======================================== Selenium Benchmark: Kraken - Browser: Firefox ms < Lower Is Better Linux 5.3 .................... 817.3 |=========================== Linux 5.6.6 .................. 1106.3 |==================================== Linux 5.7 Git ................ 1101.2 |==================================== Linux 5.6.0-1008-oem ......... 1214.2 |======================================== Linux 5.6 thermald v2.1 ...... 814.4 |=========================== Linux 5.4.0-31 thermald v2.1 . 815.9 |=========================== Selenium Benchmark: Jetstream 2 - Browser: Firefox Score > Higher Is Better Linux 5.3 .................... 89.77 |========================================= Linux 5.6.6 .................. 75.69 |=================================== Linux 5.7 Git ................ 78.45 |==================================== Linux 5.6.0-1008-oem ......... 64.68 |============================== Linux 5.6 thermald v2.1 ...... 86.83 |======================================== Linux 5.4.0-31 thermald v2.1 . 84.45 |======================================= Selenium Benchmark: PSPDFKit WASM - Browser: Firefox Score < Lower Is Better Linux 5.3 .................... 1489 |======================== Linux 5.6.6 .................. 2359 |====================================== Linux 5.7 Git ................ 2326 |===================================== Linux 5.6.0-1008-oem ......... 2618 |========================================== Linux 5.6 thermald v2.1 ...... 1553 |========================= Linux 5.4.0-31 thermald v2.1 . 1686 |=========================== Selenium Benchmark: WASM imageConvolute - Browser: Firefox ms < Lower Is Better Linux 5.3 .................... 29.9 |========================================= Linux 5.6.6 .................. 29.7 |========================================= Linux 5.7 Git ................ 29.8 |========================================= Linux 5.6.0-1008-oem ......... 30.4 |========================================== Linux 5.6 thermald v2.1 ...... 29.7 |========================================= Linux 5.4.0-31 thermald v2.1 . 30.1 |========================================== Selenium Benchmark: WASM collisionDetection - Browser: Firefox ms < Lower Is Better Linux 5.3 .................... 412.6 |================================ Linux 5.6.6 .................. 496.0 |======================================= Linux 5.7 Git ................ 481.1 |====================================== Linux 5.6.0-1008-oem ......... 520.7 |========================================= Linux 5.6 thermald v2.1 ...... 405.0 |================================ Linux 5.4.0-31 thermald v2.1 . 407.3 |================================ Git Time To Complete Common Git Commands Seconds < Lower Is Better Linux 5.3 .................... 51.25 |============================== Linux 5.6.6 .................. 63.83 |===================================== Linux 5.7 Git ................ 62.92 |==================================== Linux 5.6.0-1008-oem ......... 71.13 |========================================= Linux 5.6 thermald v2.1 ...... 52.65 |============================== Linux 5.4.0-31 thermald v2.1 . 52.61 |============================== Darktable 3.0.1 Test: Boat - Acceleration: CPU-only Seconds < Lower Is Better Linux 5.6.0-1008-oem ......... 34.45 |========================================= Linux 5.6 thermald v2.1 ...... 18.95 |======================= Linux 5.4.0-31 thermald v2.1 . 18.87 |====================== Darktable 3.0.1 Test: Masskrug - Acceleration: CPU-only Seconds < Lower Is Better Linux 5.6.0-1008-oem ......... 20.30 |========================================= Linux 5.6 thermald v2.1 ...... 12.15 |========================= Linux 5.4.0-31 thermald v2.1 . 12.10 |======================== Darktable 3.0.1 Test: Server Rack - Acceleration: CPU-only Seconds < Lower Is Better Linux 5.6.0-1008-oem ......... 0.347 |========================================= Linux 5.6 thermald v2.1 ...... 0.237 |============================ Linux 5.4.0-31 thermald v2.1 . 0.237 |============================ Darktable 3.0.1 Test: Server Room - Acceleration: CPU-only Seconds < Lower Is Better Linux 5.6.0-1008-oem ......... 16.349 |======================================== Linux 5.6 thermald v2.1 ...... 8.595 |===================== Linux 5.4.0-31 thermald v2.1 . 8.603 |===================== GIMP 2.10.18 Test: resize Seconds < Lower Is Better Linux 5.6.0-1008-oem ......... 17.80 |========================================= Linux 5.6 thermald v2.1 ...... 10.20 |======================= Linux 5.4.0-31 thermald v2.1 . 10.36 |======================== GIMP 2.10.18 Test: rotate Seconds < Lower Is Better Linux 5.6.0-1008-oem ......... 14.84 |========================================= Linux 5.6 thermald v2.1 ...... 10.59 |============================= Linux 5.4.0-31 thermald v2.1 . 10.58 |============================= GIMP 2.10.18 Test: auto-levels Seconds < Lower Is Better Linux 5.6.0-1008-oem ......... 20.04 |========================================= Linux 5.6 thermald v2.1 ...... 11.64 |======================== Linux 5.4.0-31 thermald v2.1 . 11.66 |======================== GIMP 2.10.18 Test: unsharp-mask Seconds < Lower Is Better Linux 5.6.0-1008-oem ......... 23.91 |========================================= Linux 5.6 thermald v2.1 ...... 14.81 |========================= Linux 5.4.0-31 thermald v2.1 . 14.78 |=========================