http://bugs.freedesktop.org/show_bug.cgi?id=22428


liuhaien <[email protected]> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[945GME]mesa                |[bisected 945GME]mesa
                   |xdemo/glxcontexts run       |xdemo/glxcontexts run
                   |aborted with error:         |aborted with error:
                   |Assertion `!obj->Pointer'   |Assertion `!obj->Pointer'




--- Comment #8 from liuhaien <[email protected]>  2009-06-28 21:59:22 PST ---
I find the reason, below commit caused this issue:
commit ff3da0966fc91cd5bcfed994e5edadbf25903c47
Author: Eric Anholt <[email protected]>
Date:   Tue Jun 2 06:53:40 2009 -0700

        i915: Don't put VBOs in graphics memory unless required for an
operation.

        This saves doing swtnl from uncached memory, which is painful. 
Improves
        clutter test-text performance by 10% since it started using VBOs.
        (cherry picked from commit a945e203d4fe254593bc0c5c5d6caca45e65f9f7)


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