Ubuntu
mesa package

  1. Bug #396667
  2. Comment #8

Comment 8 for bug 396667

Revision history for this message
In , Haien-liu (haien-liu) wrote :

I find the reason, below commit caused this issue:
commit ff3da0966fc91cd5bcfed994e5edadbf25903c47
Author: Eric Anholt <email address hidden>
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)