[Bug 70605] New: [GM45/ILK Bisected]Piglit spec/EXT_packed_depth_stencil/fbo-blit-d24s8 fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70605

          Priority: high
            Bug ID: 70605
                CC: idr at freedesktop.org
          Assignee: eric at anholt.net
           Summary: [GM45/ILK Bisected]Piglit
                    spec/EXT_packed_depth_stencil/fbo-blit-d24s8 fails
        QA Contact: intel-3d-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: Drivers/DRI/i965
           Product: Mesa

System Environment:
--------------------------
Platform: GM45/Ironlake
Libdrm:        (master)2.4.47
Mesa:        (master)4ef1c8fb4c0ae8d0fa2a0e4311ef63255d8485f0
Xserver:   
(master)xorg-server-1.14.99.2-14-g7cf1b595c8c8f9776a39559d2878cf90af3f2859
Xf86_video_intel:(master)2.99.904-32-gec0866e86d365ae3fd9790b1b263d49fc4981220
Cairo:        (master)6f05ecf488314e4b0c6c6b0110963c449bebe7d7
Libva:        (staging)1a011ce5bb0b80506797a25a988854f3f81ce909
Libva_intel_driver:(staging)1cee858036a87837deddc87586701ed869f96261
Kernel:    (drm-intel-nightly) 164a4cb4c1431a0689f85507868356fae24da638

Bug detailed description:
-----------------------------
It fails on GM45/Ironlake with mesa master branch, and works well on 9.2
branch.

Bisect shows:4e5306453da6a1c076309e543ec92d999e02f67a is the first bad commit.
commit 4e5306453da6a1c076309e543ec92d999e02f67a
Author:     Eric Anholt <eric at anholt.net>
AuthorDate: Wed Oct 2 18:53:04 2013 -0700
Commit:     Eric Anholt <eric at anholt.net>
CommitDate: Tue Oct 15 10:18:45 2013 -0700

    i965/fs: Dynamically set up the WM binding table offsets.

    Reviewed-by: Paul Berry <stereotype441 at gmail.com>


output:
Verify 1
Verify 2
Verify 3
Probe depth at (10,70)
  Expected: 0.000000
  Observed: 0.543210
Verify 4 (FBO)
Verify 5 (FBO)
Probe depth at (10,40)
  Expected: 0.000000
  Observed: 0.543210
PIGLIT: {'result': 'fail' }

Reproduce steps:
----------------------------
1. xinit&
2. bin/fbo-blit-d24s8 -auto

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