Date: Sat, 1 Jun 2013 20:30:16 -0700 From: Martin Leon <martin@...turestogether.com> To: john-dev@...ts.openwall.com Subject: OS X Macbook problems trying to use GPU I have tried both building both macosx-x86-64-opencl and macosx-x86-64-cuda builds of JtR to no avail. I did this with the latest 'bleeding jumbo' code base Both versions build but they each have a different problem. The macosx-x86-64-opencl just hangs cold as soon as I try to use an '-opencl' format (e.g. --forma=wpapsk-opencl). The system stops responding completely. I have to power the machine down using the power button. The macosx-x86-64-cuda build tells me I don't have a CUDA compatible device. Has anyone successfully built a GPU-enabled JtR on a system like this? I don't particularly care whether it's CUDA or OpenCL, I just would like to take advantage of my GPU if possible. I am running on a MacBook Pro with the following details from System Information: 17-inch, Early 2011 Graphics AMD Radeon HD 6750M 1024 MB Software Mac OS X Lion 10.7.5 (11G63) AMD Radeon HD 6750M: Chipset Model: AMD Radeon HD 6750M Type: GPU Bus: PCIe PCIe Lane Width: x8 VRAM (Total): 1024 MB Vendor: ATI (0x1002) Device ID: 0x6741 Revision ID: 0x0000 ROM Revision: 113-C0170L-573 gMux Version: 1.9.24 EFI Driver Version: 01.00.573 Displays: Color LCD: Display Type: LCD Resolution: 1920 x 1200 Pixel Depth: 32-Bit Color (ARGB8888) Main Display: Yes Mirror: Off Online: Yes Built-In: Yes Content of type "text/html" skipped
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