System Environment: -------------------------- Arch: x86_64 Platform: Ironlake Libdrm: (master)libdrm-2.4.40-1-g7d42b49c0cf19dbb4531cd84efae51f95db2eea1 Mesa: (master)1665af3066f3d58c42e9d5b13098f13615a7672c Xserver:(master)xorg-server-1.13.0-143-g6a6c3afe71ac82a93d9fd0034dd5bbdcf0eae1ea Xf86_video_intel:(master)2.20.13-9-g866ed4a26cbbb29ef3845b0aa56383c4d951c65a Cairo: (master)62b795fe52c73ad58101c101aa77449f4b61a576 Libva: (staging)38c94cd922473095814ed9a9f99ad98fcc9c285d Libva_intel_driver: (staging)e30019e8b90e67fb7599c27b94c30ae644f2ff07 Kernel: (drm-intel-nightly) 628302221814f3c00858b5fcbc11df8f0c6f60d2 Bug detailed description: ------------------------- It happens on ironlake with mesa master branch. It doesn't happen on 9.0 branch. Following cases also segfault, and have some bisect commit. glean_fbo hiz_hiz-depth-stencil-test-fbo-d0-s8 hiz_hiz-stencil-read-fbo-d0-s8 hiz_hiz-stencil-test-fbo-d0-s8 spec_ARB_depth_buffer_float_fbo-clear-formats_stencil spec_ARB_depth_buffer_float_fbo-stencil-GL_DEPTH32F_STENCIL8-blit spec_ARB_depth_buffer_float_fbo-stencil-GL_DEPTH32F_STENCIL8-clear spec_ARB_depth_buffer_float_fbo-stencil-GL_DEPTH32F_STENCIL8-copypixels spec_ARB_depth_buffer_float_fbo-stencil-GL_DEPTH32F_STENCIL8-drawpixels spec_ARB_depth_buffer_float_fbo-stencil-GL_DEPTH32F_STENCIL8-readpixels spec_EXT_framebuffer_object_fbo-stencil-GL_STENCIL_INDEX1-blit spec_EXT_framebuffer_object_fbo-stencil-GL_STENCIL_INDEX1-clear spec_EXT_framebuffer_object_fbo-stencil-GL_STENCIL_INDEX1-copypixels spec_EXT_framebuffer_object_fbo-stencil-GL_STENCIL_INDEX1-drawpixels spec_EXT_framebuffer_object_fbo-stencil-GL_STENCIL_INDEX1-readpixels spec_EXT_framebuffer_object_fbo-stencil-GL_STENCIL_INDEX16-blit spec_EXT_framebuffer_object_fbo-stencil-GL_STENCIL_INDEX16-clear spec_EXT_framebuffer_object_fbo-stencil-GL_STENCIL_INDEX16-copypixels spec_EXT_framebuffer_object_fbo-stencil-GL_STENCIL_INDEX16-drawpixels spec_EXT_framebuffer_object_fbo-stencil-GL_STENCIL_INDEX16-readpixels spec_EXT_framebuffer_object_fbo-stencil-GL_STENCIL_INDEX4-blit spec_EXT_framebuffer_object_fbo-stencil-GL_STENCIL_INDEX4-clear spec_EXT_framebuffer_object_fbo-stencil-GL_STENCIL_INDEX4-copypixels spec_EXT_framebuffer_object_fbo-stencil-GL_STENCIL_INDEX4-drawpixels spec_EXT_framebuffer_object_fbo-stencil-GL_STENCIL_INDEX4-readpixels spec_EXT_framebuffer_object_fbo-stencil-GL_STENCIL_INDEX8-blit spec_EXT_framebuffer_object_fbo-stencil-GL_STENCIL_INDEX8-clear spec_EXT_framebuffer_object_fbo-stencil-GL_STENCIL_INDEX8-copypixels spec_EXT_framebuffer_object_fbo-stencil-GL_STENCIL_INDEX8-drawpixels spec_EXT_framebuffer_object_fbo-stencil-GL_STENCIL_INDEX8-readpixels spec_EXT_packed_depth_stencil_depthstencil-render-miplevels_1024_s=z24_s8 spec_EXT_packed_depth_stencil_depthstencil-render-miplevels_146_s=z24_s8 spec_EXT_packed_depth_stencil_depthstencil-render-miplevels_292_s=z24_s8 spec_EXT_packed_depth_stencil_depthstencil-render-miplevels_585_s=z24_s8 spec_EXT_packed_depth_stencil_fbo-stencil-GL_DEPTH24_STENCIL8-blit spec_EXT_packed_depth_stencil_fbo-stencil-GL_DEPTH24_STENCIL8-clear spec_EXT_packed_depth_stencil_fbo-stencil-GL_DEPTH24_STENCIL8-copypixels spec_EXT_packed_depth_stencil_fbo-stencil-GL_DEPTH24_STENCIL8-drawpixels spec_EXT_packed_depth_stencil_fbo-stencil-GL_DEPTH24_STENCIL8-readpixels fbblit(advanced.blitFb.bounds) fbblit(advanced.blitFb.clamp.fixedToFixed) fbblit(advanced.blitFb.clamp.floatToFixed) fbblit(advanced.blitFb.filter.linear) fbblit(advanced.blitFb.filter.nearest) fbblit(advanced.blitFb.fragop.alphatest) fbblit(advanced.blitFb.fragop.scissortest) fbblit(advanced.blitFb.fragop.stenciltest) fbblit(advanced.blitFb.mask.color) fbblit(advanced.blitFb.mask.depth) fbblit(advanced.blitFb.mask.stencil) fbblit(advanced.blitFb.mirror.both) fbblit(advanced.blitFb.mirror.horizontal) fbblit(advanced.blitFb.mirror.negated) fbblit(advanced.blitFb.mirror.vertical) fbblit(advanced.blitFb.nonStretch) fbblit(advanced.blitFb.stretch) fbblit(advanced.copyPx.clamp.fixedToFixed) fbblit(advanced.copyPx.clamp.floatToFixed) fbblit(advanced.copyPx.nonstretch) fbo(renderToRb.1FBOColorStencilBuffers) fbo(renderToRb.1FBOIterateIntFormatsStencil) fbo(renderToRb.1FBOIterateRbSizesStencil) fbo(renderToRb.2FBOsColorAndStencilBuffers) fbo(renderToRb.2FBOsStencilBuffer) fbo-multisample(advanced.blit.defaulttomsaa.colorstencil) fbo-multisample(advanced.blit.msaatodefault.colorstencil) fbo-multisample(advanced.blit.msaatosingle.stencil) fbo-multisample(advanced.blit.msaattomsaa.colorstencil) fbo-multisample(advanced.blit.singletomsaa.colorstencil) fbo-multisample(basic.blit.msaatosingle.colorstencil) fbo-multisample(basic.drawpixels.msaatosingle.stencil) fboarb(advanced.rtr.intFmt) fboarb(advanced.rtr.stencil) fboarb(basic.blit.colorandstencil) fboarb(basic.msaa.colorstencil) fboarb(basic.rbcolorstencil) Bisect shows: 52ee1a7269b84b60558760655a4c722d827703d4 is the first bad commit commit 52ee1a7269b84b60558760655a4c722d827703d4 Author: Eric Anholt <eric@anholt.net> AuthorDate: Sun Nov 4 12:47:02 2012 -0800 Commit: Eric Anholt <eric@anholt.net> CommitDate: Mon Nov 19 15:07:22 2012 -0800 i965: Move all the depth/stencil/hiz offset logic into the workaround. Given that we have the mask information here (assuming the rebase is to the same tiling, which is safe), we can just save a set of miptrees and offsets and the global intra-tile offset in the context and cut out a bunch of logic. This will also save emitting the next fix I need to do twice. (gdb) bt #0 emit_depthbuffer (brw=0x61df20) at brw_misc_state.c:631 #1 0x00007ffff5332fe2 in brw_upload_state (brw=0x61df20) at brw_state_upload.c:500 #2 0x00007ffff53013a7 in brw_try_draw_prims (max_index=<optimized out>, min_index=<optimized out>, ib=0x7fffffffde38, nr_prims=6466928, prim=0x7fffffffde20, arrays=<optimized out>, ctx=0x61df20) at brw_draw.c:498 #3 brw_draw_prims (ctx=0x61df20, prim=0x7fffffffde20, nr_prims=6466928, ib=0x7fffffffde38, index_bounds_valid=<optimized out>, min_index=0, max_index=3, tfb_vertcount=0x0) at brw_draw.c:585 #4 0x00007ffff4e7efc9 in vbo_draw_arrays (ctx=0x61df20, mode=6, start=0, count=<optimized out>, numInstances=1, baseInstance=<optimized out>) at ../../../src/mesa/vbo/vbo_exec_array.c:619 #5 0x00007ffff4f02f0f in _mesa_meta_glsl_Clear (ctx=0x61df20, buffers=<optimized out>) at ../../../src/mesa/drivers/common/meta.c:2049 #6 0x00007ffff52f4a93 in brw_clear (mask=0, ctx=0x61df20) at brw_clear.c:251 #7 brw_clear (ctx=0x61df20, mask=<optimized out>) at brw_clear.c:220 #8 0x00007ffff7d46802 in stub_glClear (mask=17664) at /GFX/Test/Piglit/piglit/tests/util/generated_dispatch.c:1696 #9 0x00007ffff7acaf81 in hiz_run_test_stencil_read_common () at /GFX/Test/Piglit/piglit/tests/hiz/hiz-util.c:535 #10 0x00007ffff7acb17f in hiz_run_test_stencil_read_fbo (fbo_options=0x600f10) at /GFX/Test/Piglit/piglit/tests/hiz/hiz-util.c:579 #11 0x0000000000400992 in piglit_display () at /GFX/Test/Piglit/piglit/tests/hiz/hiz-stencil-read-fbo-d0-s8.c:68 #12 0x00007ffff7d42174 in run_test (gl_fw=0x601010, argc=1, argv=0x7fffffffe1a8) at /GFX/Test/Piglit/piglit/tests/util/piglit-framework-gl/piglit_winsys_framework.c:63 #13 0x00007ffff7d3f13a in piglit_gl_test_run (argc=1, argv=0x7fffffffe1a8, config=0x7fffffffe090) at /GFX/Test/Piglit/piglit/tests/util/piglit-framework-gl.c:127 #14 0x000000000040095e in main (argc=2, argv=0x7fffffffe1a8) at /GFX/Test/Piglit/piglit/tests/hiz/hiz-stencil-read-fbo-d0-s8.c:50 Reproduce steps: ---------------------------- 1. xinit 2. ./bin/hiz-stencil-read-fbo-d0-s8 -auto
*** This bug has been marked as a duplicate of bug 57309 ***
Verified. Fixed by c8ed9f6262a73849a64c55bcfaac2a50e42e0945. commit c8ed9f6262a73849a64c55bcfaac2a50e42e0945 Author: Eric Anholt Date: Mon Nov 26 14:46:11 2012 -0800 i965/gen4-5: Fix segfaults with stencil-only depth/stencil setups. Fixes a ton of piglit regressions since the depthstencil fixes for gen6+.
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