<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi<div><br></div><div>Here's what someone found in Lux forum fighting a similar problem:</div><div><br></div><div>"<span style="background-color: rgb(204, 204, 204); color: rgb(51, 51, 51); font-family: 'Lucida Grande', 'Trebuchet MS', Verdana, Helvetica, Arial, sans-serif; font-size: 13px; line-height: 18px; ">Forget about the problem, it was a driver problem.</span></div><span style="color: rgb(51, 51, 51); font-family: 'Lucida Grande', 'Trebuchet MS', Verdana, Helvetica, Arial, sans-serif; font-size: 13px; line-height: 18px; background-color: rgb(204, 204, 204); ">I don't know why but the nvidia driver installer didn't really install the newest driver.</span><br style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 'Lucida Grande', 'Trebuchet MS', Verdana, Helvetica, Arial, sans-serif; font-size: 13px; line-height: 18px; background-color: rgb(204, 204, 204); "><span style="color: rgb(51, 51, 51); font-family: 'Lucida Grande', 'Trebuchet MS', Verdana, Helvetica, Arial, sans-serif; font-size: 13px; line-height: 18px; background-color: rgb(204, 204, 204); ">I extracted the kext-files from the installation package manually (304.00.05f02 Web Release) and installed it by 'easy kext drop' app.</span><br style="margin: 0px; padding: 0px; color: rgb(51, 51, 51); font-family: 'Lucida Grande', 'Trebuchet MS', Verdana, Helvetica, Arial, sans-serif; font-size: 13px; line-height: 18px; background-color: rgb(204, 204, 204); "><span style="color: rgb(51, 51, 51); font-family: 'Lucida Grande', 'Trebuchet MS', Verdana, Helvetica, Arial, sans-serif; font-size: 13px; line-height: 18px; background-color: rgb(204, 204, 204); ">After reboot everything worked fine. Really strange."</span><div><font color="#333333" face="Lucida Grande, Trebuchet MS, Verdana, Helvetica, Arial, sans-serif"><span style="font-size: 13px; line-height: 18px;"><br></span></font></div><div><span style="line-height: 18px; background-color: transparent;">Perhaps try this, i dunno ( and 'am not very interested ) about cuda.</span></div><div><span style="line-height: 18px; background-color: transparent;"><br></span></div><div><span style="line-height: 18px; "><span style="background-color: transparent;">Jens</span><br></span><div><br></div><div><br><div><div>Am 30.10.2012 um 15:10 schrieb Sebastian Röthlisberger <<a href="mailto:lalli@gmx.net">lalli@gmx.net</a>>:</div><br class="Apple-interchange-newline"><blockquote type="cite">Hi there, <br><br>since some weeks (at least) me and Lúthien Merilin are not able to build the CUDA Kernels anymore. Always the same Error.<br><br>Code:<br>ptxas info : Compiling entry function 'kernel_cuda_shader' for 'sm_12'<br>ptxas info : Used 24 registers, 4300+0 bytes lmem, 24+16 bytes smem, 1152 bytes cmem[0], 5876 bytes cmem[1]<br>ptxas info : Compiling entry function 'kernel_cuda_tonemap' for 'sm_12'<br>ptxas info : Used 7 registers, 48+16 bytes smem, 1152 bytes cmem[0], 20 bytes cmem[1]<br>ptxas info : Compiling entry function 'kernel_cuda_path_trace' for 'sm_12'<br>ptxas(19657) malloc: *** mmap(size=266240) failed (error code=12)<br>*** error: can't allocate region<br>*** set a breakpoint in malloc_error_break to debug<br>ptxas fatal : Memory allocation failure<br>scons: *** [/blender-build/build/darwin/intern/cycles/kernel/kernel_sm_12.cubin] Error 255<br>scons: building terminated because of errors.<br><br><br>tried with osx 10.7.5 - XCode 4.2 - 4.5.1 - CUDA Dev Tools + Driver from 4.0, 4.1, 4.2, 5.0.24, 5.0.36<br>then reinstalled the complete system to osx 10.8.5, same error with all possible combinations.<br><br>As i remember correctly, the issue began with upgrade CUDA Dev tools to 5.0.24 + GPU Driver 8.0.61 295.30.20f02<br>unfortunately, since the os already upgraded i can't downgrade the GPU Driver. (And i'm not entirely sure it is causing the Problem.)<br><br>it seems like an ordinary Out of Memory issue, but the Point is i've got 1.29Gb (from 8) free Memory while this is happening...<br><br>tried to find anything about either ptxas Error code 12 or scons Error 255, found nothing.<br><br>Strange thing as well is, with CUDA dev tools 4.0 if i start Blender without the kernels it's able to build it, without error..<br><br>So my questions: <br><br>Is there something wrong in the sourcefiles?<br>Does it seem possible that this GPU Driver is causing the Error? <br>Is there a difference from building from scons to building Blender "internally"?<br>Anyone able to build CUDA Kernels on OSX? if yes, which GPU Driver Version?<br><br>thanks for any idea<br><br>bashi<br><br>_______________________________________________<br>Bf-cycles mailing list<br><a href="mailto:Bf-cycles@blender.org">Bf-cycles@blender.org</a><br>http://lists.blender.org/mailman/listinfo/bf-cycles<br></blockquote></div><br><div apple-content-edited="true">
<span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px; "><div><span class="Apple-style-span" style="font-size: 12px; ">_____________________________________</span></div><div><span class="Apple-style-span" style="font-size: 12px; "><div><br class="khtml-block-placeholder"></div><div style="text-align: left; ">Jens Verwiebe</div><div style="text-align: left; ">Allerskehre 44 - 22309 Hamburg</div><div style="text-align: left; "><br class="khtml-block-placeholder"></div><div style="text-align: left; ">Tel.: +49 40 68 78 50</div><div style="text-align: left; ">mobil: +49 172 400 49 07</div><div>mailto: <a href="mailto:info@jensverwiebe.de"><span class="Apple-style-span" style="color: rgb(0, 0, 238); ">info@jensverwiebe.de</span></a></div><div>web: <a href="http://www.jensverwiebe.de/"><span class="Apple-style-span" style="color: rgb(0, 0, 238); ">http://www.jensverwiebe.de</span></a></div><div style="text-align: left; ">_____________________________________</div></span></div></span>
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