Progressive refine crashing Blender when used with multiple cuda devices #32951

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Sebastian Michailidis · 2012-10-23T00:21:12+02:00

Sebastian Michailidis commented

2012-10-23 00:21:12 +02:00

%%%Windows 7 64 bits, Blender 264 r51507, GTX 570 + GTX 580%%%

Sebastian Michailidis commented

2012-10-23 00:21:12 +02:00

Changed status to: 'Open'

Sergey Sharybin commented

2012-10-23 18:38:32 +02:00

%%%Should be fixed in svn rev51549. If not lemme know :)

Meanwhile thanks for the report, closing.%%%

%%%Should be fixed in svn rev51549. If not lemme know :) Meanwhile thanks for the report, closing.%%%

Sebastian Michailidis commented

2012-10-24 00:06:59 +02:00

%%%Thanks for the fast fix. :)

However: Before it crashed instantly when starting to render. It doesn't do that anymore. But sadly, now it crashes towards the end.
Maybe a relevant info: For the lack of a more suitable up to date build, I tried a 32bit build on my windows 7 64bit system.%%%

%%%Thanks for the fast fix. :) However: Before it crashed instantly when starting to render. It doesn't do that anymore. But sadly, now it crashes towards the end. Maybe a relevant info: For the lack of a more suitable up to date build, I tried a 32bit build on my windows 7 64bit system.%%%

Sergey Sharybin commented

2012-10-24 00:56:54 +02:00

%%%You mean it's rendering fine and just before finish it's crashing?%%%

Sebastian Michailidis commented

2012-10-24 10:11:34 +02:00

%%%Yeh exactly. If the setting says "300 samples", its gonne crash at 299.%%%

Sebastian Michailidis commented

2012-10-24 10:19:47 +02:00

%%%... or rather at 297 in my particular case.%%%

Sergey Sharybin commented

2012-10-24 12:30:03 +02:00

%%%I've kind of faked multigpu here by forcing cycles to not use advanced shading to use gtx560 together with gts250. It worked just fine. Also plasmasolution from irc tested on dual gtx560ti and that also worked just fine. But this is on linux.

So guess could be it's something to do with an operation system or some particular file. Does it crash for you on all files (like default cube)? If only particular file crashes, it'll help having such file.%%%

%%%I've kind of faked multigpu here by forcing cycles to not use advanced shading to use gtx560 together with gts250. It worked just fine. Also plasmasolution from irc tested on dual gtx560ti and that also worked just fine. But this is on linux. So guess could be it's something to do with an operation system or some particular file. Does it crash for you on all files (like default cube)? If only particular file crashes, it'll help having such file.%%%

Thomas Dinges commented

2012-10-24 12:48:27 +02:00

%%%Try again with a x64 build, the cuda Kernels on x32 are different ones, maybe that explains the crash. %%%

Sebastian Michailidis commented

2012-10-24 14:02:09 +02:00

%%%I tried a x64 build and it still crashes. Now I loaded the factory settings and realised that it seems to be related to save buffers. It only crashes if that one is checked, too.

However, I uploaded the file for you: https://dl.dropbox.com/u/675429/progressiverefine.blend
Sorry for not having done that before. Since it acted like that from my default scene, it seemed a bit futile to me. Hope this helps. :)%%%

%%%I tried a x64 build and it still crashes. Now I loaded the factory settings and realised that it seems to be related to save buffers. It only crashes if that one is checked, too. However, I uploaded the file for you: https://dl.dropbox.com/u/675429/progressiverefine.blend Sorry for not having done that before. Since it acted like that from my default scene, it seemed a bit futile to me. Hope this helps. :)%%%

Sergey Sharybin commented

2012-10-24 14:35:35 +02:00

%%%With this file could confirm the crash. Looking.%%%