On Thu, Oct 21, 2010 at 00:30:07 +0400, Dmitry Semyonov wrote: > Cyril, > > On Wed, Oct 20, 2010 at 18:29, you wrote: > > You may want to try a newer version > > It had some changes related to shadow, not sure what their impact is. > > Indeed the performance degradation is fixed in 2.13 version. And > although it is still not perfect (e.g. smooth scrolling of Gmail > threads takes nearly 100% CPU, which IIRC was the same with a bunch of > last releases), at least the driver is usable now on 865G chipset. > > Thank you! Is there a chance to get this version into Squeeze before release? > > Condensed noteworthy differences between old and new Xorg.0.log: > > < (==) intel(0): Shadow buffer enabled, GPU acceleration disabled. > < (II) intel(0): direct rendering: Disabled > < (II) AIGLX: Screen 0 is not DRI2 capable > < (II) AIGLX: Screen 0 is not DRI capable > < (II) AIGLX: Loaded and initialized /usr/lib/dri/swrast_dri.so > < (II) GLX: Initialized DRISWRAST GL provider for screen 0 > > > (II) intel(0): [DRI2] Setup complete > > (II) intel(0): direct rendering: DRI2 Enabled > > (II) AIGLX: enabled GLX_MESA_copy_sub_buffer > > (II) AIGLX: enabled GLX_SGI_make_current_read > > (II) AIGLX: enabled GLX_SGI_swap_control and GLX_MESA_swap_control > > (II) AIGLX: GLX_EXT_texture_from_pixmap backed by buffer objects > > (II) AIGLX: Loaded and initialized /usr/lib/dri/i915_dri.so > > (II) GLX: Initialized DRI2 GL provider for screen 0 > Sounds like it's just "fixed" because the 2.13 version doesn't default to shadow. Try 'Option "shadow" "off"' in the Device section of xorg.conf with the 2.12+shadow driver, that should be equivalent. Cheers, Julien
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