[Bug 110765] ANV regression: Assertion `pass->attachment_count == framebuffer->attachment_count' failed

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110765

            Bug ID: 110765
           Summary: ANV regression: Assertion `pass->attachment_count ==
                    framebuffer->attachment_count' failed
           Product: Mesa
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Vulkan/intel
          Assignee: intel-3d-bugs at lists.freedesktop.org
          Reporter: eero.t.tamminen at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org
                CC: jason at jlekstrand.net

GfxBench v5.0 GOLD2 Vulkan AztecRuins started failing nearly week ago. 

Setup:
- Ubuntu 18.04
- Unity / compiz desktop
- Mesa from git
- X server and drm-tip kernel from git, with modifier support enabled
- FullHD monitor

Test-case:
- Vulkan AztecRuins:
  bin/testfw_app --gfx vulkan --gl_api vulkan --width 1920 --height 1080
--fullscreen 1 --test_id vulkan_5_normal

Expected result:
- Works like earlier

Actual result:
- After benchmark has compiled its shaders and starts running:
  src/intel/vulkan/genX_cmd_buffer.c:1191: gen9_cmd_buffer_setup_attachments:
Assertion `pass->attachment_count == framebuffer->attachment_count' failed.

Regression happened between following commits:
- 2019-05-18 10:15:04 ccb8ea7acf: meson: expose glapi through osmesa
- 2019-05-19 00:38:03 4689e98fe8:vulkan/wsi: Set X11 minImageCount to 3

Few of the Sacha Willems' Vulkan demos that are also run, don't have the same
problem.

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