https://bugs.freedesktop.org/show_bug.cgi?id=36952
--- Comment #13 from dri tester <writemeanddie at hotmail.com> 2011-05-16 06:49:15 PDT --- (In reply to comment #12) > (In reply to comment #11) > > It would be better to experiment with the patch and try smaller buffer > > sizes. > > Please let me know when you find a size which works. > > The current mesa-git value for the R300_MAX_DRAW_VBO_SIZE is 1024 * 1024 and > your patch dropped it down to 512 * 1024. I tried with 64 * 1024 (which is > the > value that worked before the commit that I bisected above) and crackberg > works, > the animation is smooth and the cpu usage is 50% on one cpu, but it segfaults > after 13-18 seconds. I really think there is another bug being uncovered > here. > I do not know which buffer size to recommend for R300_MAX_DRAW_VBO_SIZE, 512 > * > 1024 as per your attached patch worked as well as 64 * 1024. I assume that > the > value must be a power of 2, or are there some other values to test? Should I > test the values between 64 and 512 for completeness? Disregard my last comment above, I was totally incorrect. A value for R300_MAX_DRAW_VBO_SIZE of 32 * 1024 fixed crackberg completely for me. I will attach the working patch as 0003-r300g-allocate-smaller-upload-buffers.patch. Thanks Marek. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug.
