Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Thu, 3 Sep 2020 22:56:26 +0200
From: Solar Designer <>
Cc: Axymeus <>, Claudio Andre <>
Subject: Re: opencl_device_info.h not found

On Thu, Sep 03, 2020 at 09:36:24PM +0200, Solar Designer wrote:
> On Mon, Aug 31, 2020 at 01:44:40PM +0200, Axymeus wrote:
> > Build log: <kernel>:20:10: fatal error: 'opencl_device_info.h' file not found
> > #include "opencl_device_info.h"
> >          ^
> > 
> > Error building kernel /run/kernels/ DEVICE_INFO=1048594
> > 0: OpenCL CL_BUILD_PROGRAM_FAILURE (-11) error in opencl_common.c:1386
> > - clBuildProgram
> This issue was reported a few times, but I think we never figured it
> out.  It looks like the pathname somehow was not expanded properly -
> note the leading slash before "/run".
> I suggest that you try this workaround:
> "Copy OpenCL.dll installed in C:\Windows\System32 to JtR's run
> directory, and rename it to cygOpenCL-1.dll."
> You didn't mention what version of JtR you were using, but by the
> run/kernels pathname and line number 1386 I guess it's 1.9.0-jumbo-1.
> We've since reworked the placement of OpenCL kernels, so that they're
> now under run/opencl (not run/kernels), and more importantly are there
> all the time instead of being copied to there at build time (although
> this happens before packaging, if you downloaded binaries).  You might
> want to try our latest development build from here:

Axymeus replied to me off-list (I assume inadvertently) saying that
neither workaround worked:

On Thu, Sep 03, 2020 at 10:30:55PM +0200, Axymeus wrote:
> Yeah forgot to mention I was running 1.9.0-jumbo-1 as you have
> inferred rather astutely.
> I tried copying OpenCL.dll from sys32 and then from syswow64 (since
> I'm using the win64 build) but both attempts have failed. The sys32
> one gives the same error and the syswow64 prevents john from running.
> The jumbo-dev build also fails in an identical way.

Here's a new idea: maybe the problem has to do with what command-line
shell john.exe is run from.  Axymeus, which one are you using and can
you try another (e.g., PowerShell vs. Cygwin bash)?  Does this make a
difference for you?


Powered by blists - more mailing lists

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.