[Intel-gfx] i965: aperture fixes 59b2c2adb cause lockups in foobillard at startup
eric at anholt.net
Tue Nov 4 10:48:11 PST 2008
On Tue, 2008-11-04 at 02:18 -0800, Keith Packard wrote:
> While doing a bunch of irq work, I was testing random programs against
> mesa master and found that foobillard (debian unstable version) was
> locking up on my GM45 laptop. I bisected and found that this patch was
> causing the trouble. I haven't looked to try and figure out what's going
> commit 59b2c2adbbece27ccf54e58b598ea29cb3a5aa85
> Author: Eric Anholt <eric at anholt.net>
> Date: Fri Oct 24 13:02:21 2008 -0700
> i965: Fix check_aperture calls to cover everything needed for the prim at once.
> Previously, since my check_aperture API change, we would check each piece of
> state against the batchbuffer individually, but not all the state against the
> batchbuffer at once. In addition to not being terribly useful in assuring
> success, it probably also increased CPU load by calling check_aperture many
> times per primitive.
Yep, we've got a report of it failing with blender as well, which I
reproduced. It's really high on my to-fix list, but I think 8xx is
higher since it's a kernel regression.
eric at anholt.net eric.anholt at intel.com
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