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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [HAWAII] Get acceleration working"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=78453#c6">Comment # 6</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [HAWAII] Get acceleration working"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=78453">bug 78453</a>
              from <span class="vcard"><a class="email" href="mailto:agd5f@yahoo.com" title="Alex Deucher <agd5f@yahoo.com>"> <span class="fn">Alex Deucher</span></a>
</span></b>
        <pre>Try disabling tiling.  Add:

Option "ColorTiling" "false"
Option "ColorTiling2D" "false"

to the device section of your xorg.conf, then apply this patch to mesa:

diff --git a/src/gallium/drivers/radeon/r600_texture.c
b/src/gallium/drivers/radeon/r600_texture.c
index e30d933..fe806be 100644
--- a/src/gallium/drivers/radeon/r600_texture.c
+++ b/src/gallium/drivers/radeon/r600_texture.c
@@ -725,6 +725,8 @@ static unsigned r600_choose_tiling(struct
r600_common_screen *rscreen,
 {
        const struct util_format_description *desc =
util_format_description(templ->format);

+       return RADEON_SURF_MODE_LINEAR_ALIGNED;
+
        /* MSAA resources must be 2D tiled. */
        if (templ->nr_samples > 1)
                return RADEON_SURF_MODE_2D;

And try running gears on a bare xserver.</pre>
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