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Date: Mon, 16 Dec 2019 17:23:58 +0000
From: David Taylor <DavidT@...acybank.com>
To: "john-users@...ts.openwall.com" <john-users@...ts.openwall.com>
Subject: JtR doesn't detect NVIDIA OpenCL devices
I have installed john on a clean Debian 9 machine which has 8 NVIDIA GPUs.
I've installed per these instructions
( https://github.com/magnumripper/JohnTheRipper/blob/bleeding-jumbo/doc/INSTALL-UBUNTU )
and all tests pass.
When I run ./john --list=opencl-devices I get the errors:
Error: No OpenCL-capable platforms were detected by the installed OpenCL driver.
Error: No OpenCL-capable devices were detected by the installed OpenCL driver.
However running lspci | grep -i nvidia gives me this output
00:17.0 3D controller: NVIDIA Corporation Device 1db1 (rev a1)
00:18.0 3D controller: NVIDIA Corporation Device 1db1 (rev a1)
00:19.0 3D controller: NVIDIA Corporation Device 1db1 (rev a1)
00:1a.0 3D controller: NVIDIA Corporation Device 1db1 (rev a1)
00:1b.0 3D controller: NVIDIA Corporation Device 1db1 (rev a1)
00:1c.0 3D controller: NVIDIA Corporation Device 1db1 (rev a1)
00:1d.0 3D controller: NVIDIA Corporation Device 1db1 (rev a1)
00:1e.0 3D controller: NVIDIA Corporation Device 1db1 (rev a1)
Any idea what I need to do to enable opencl support?
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