Date: Sat, 26 Mar 2016 13:21:54 +0100 From: magnum <john.magnum@...hmail.com> To: john-users@...ts.openwall.com Subject: Re: Error running mscash2-opencl on GeForce GTX 770M On 2016-03-26 09:13, Marc Brinkmann wrote: > Dear John-Users, > i have trouble running a opencl-session on my Nvidia GPU powered Notebook. > John is up-to-date as i speak, i pulled git-code and rebuilt it. > This is, what happens, > [Code] > ~/JohnTheRipper/run$ optirun ./john domain.txt --format=mscash2-opencl > --session=domain-opencl > ./john: /usr/lib/x86_64-linux-gnu/libOpenCL.so.1: no version information > available (required by ./john) > Using default input encoding: UTF-8 > Loaded 10 password hashes with 10 different salts (mscash2-opencl, MS Cache > Hash 2 (DCC2) [PBKDF2-SHA1 OpenCL]) > Device 0: GeForce GTX 770M > Press 'q' or Ctrl-C to abort, almost any other key for status > OpenCL CL_OUT_OF_RESOURCES error in opencl_mscash2_helper_plug.c:525 - > Error in Get Event Info > [/Code] I guess that particular format fails to take some device limit in consideration. Try running with --verb=5 and see what LWS/GWS are used. You can always force worksizes, like this: $ LWS=64 GWS=1024 ./john domain.txt --format=mscash2-opencl --session=domain-opencl Doing the same with mpirun: $ mpirun -host blabla -x LWS=64 -x GWS=1024 ./john domain.txt --format=mscash2-opencl --session=domain-opencl Perhaps the -x option works for optirun too? Or maybe there's some other syntax. magnum
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