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Date: Wed, 9 Feb 2022 02:15:25 +0100
From: Solar Designer <>
Subject: Re: Cannot ./john --format=ZIP-opencl on AMD Radeon GPU

On Tue, Feb 08, 2022 at 12:51:01PM +0900, wrote:
> $ ./john --format=ZIP-opencl --test
> Device 2: gfx1032 [AMD Radeon RX 6600 XT]
> Benchmarking: ZIP-opencl, WinZip [PBKDF2-SHA1 OpenCL]... Memory access 
> fault by GPU node-1 (Agent handle: 0x56190dc33cf0) on address 
> 0x7f2bb0608000. Reason: Page not present or supervisor privilege.
> Aborted (core dumped)

Actually, this does look like our bug this time - or at least I've just
identified a bug that could cause this, and we'll fix that.

Can you please try this change:

In opencl_zip_fmt_plug.c, change this line:

		cl_uint zero = 0;

to read:

		static const cl_uint zero = 0;

then re-run the "make -sj4".  Does this help?

You'll still want to also use that "--cost" option I had recommended.


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