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Message-Id: <16d5ad199f3.1175afe6a223028.5423449800807709697@loudiron.com> Date: Mon, 23 Sep 2019 00:12:28 +0300 From: Xosted <xosted@...diron.com> To: "john-users" <john-users@...ts.openwall.com> Subject: John doesn't detect my second graphics card Hello, I have installed John on a AMD box running Ubuntu 18.10 and configured it to use OpenCL. All this works fine. I added a second graphics card to the system by plugging it in. It is detected by the system as shown here: lspci -k | grep VGA 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Baffin [Radeon RX 460/560D / Pro 450/455/460/555/560] (rev cf) 06:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Ellesmere [Radeon RX 470/480/570/570X/580/580X] (rev e7) However John doesn't seem to see it: ./john --list=opencl-devices Platform #0 name: AMD Accelerated Parallel Processing, version: OpenCL 2.1 AMD-APP (2766.4) Device #0 (1) name: Baffin Board name: AMD Radeon (TM) RX 460 Graphics Device vendor: Advanced Micro Devices, Inc. Device type: GPU (LE) Device version: OpenCL 1.2 AMD-APP (2766.4) Driver version: 2766.4 - AMDGPU-Pro Native vector widths: char 4, short 2, int 1, long 1 Preferred vector width: char 4, short 2, int 1, long 1 Global Memory: 843 MB Global Memory Cache: 16 KB Local Memory: 32 KB (Local) Constant Buffer size: 616 MB Max memory alloc. size: 616 MB Max clock (MHz): 1224 Profiling timer res.: 1 ns Max Work Group Size: 256 Parallel compute cores: 14 Stream processors: 896 (14 x 64) Speed index: 1096704 SIMD width: 16 Wavefront width: 64 PCI device topology: 01:00.0 Platform #1 name: Portable Computing Language, version: OpenCL 1.2 pocl 1.1 None+Asserts, LLVM 6.0.0, SPIR, SLEEF, DISTRO, POCL_DEBUG Device #0 (2) name: pthread-AMD FX-8370E Eight-Core Processor Device vendor: AuthenticAMD Device type: CPU (LE) Device version: OpenCL 1.2 pocl HSTR: pthread-x86_64-pc-linux-gnu-bdver1 Driver version: 1.1 Native vector widths: char 16, short 16, int 8, long 4 Preferred vector width: char 16, short 16, int 8, long 4 Global Memory: 30019 MB Global Memory Cache: 2 MB Local Memory: 1 MB (Global) Constant Buffer size: 1 MB Max memory alloc. size: 8 GB Max clock (MHz): 2135 Profiling timer res.: 1 ns Max Work Group Size: 4096 Parallel compute cores: 8 Speed index: 68320 What could be the reason? I tried recompiling John but it did not fix it. Additionally, I have a long time running task which I have used a session for. Will I be able to restore the session for it to use both devices? Will I be forced to restart from scratch? Regards
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