https://bugs.freedesktop.org/show_bug.cgi?id=38661

Summary: [i915g] src/gallium/drivers/i915/i915_state_static.c:122:updat e_framebuffer: Assertion `offset == 0' failed. Product: Mesa Version: git Platform: x86 (IA32) OS/Version: Linux (All) Status: NEW Severity: critical Priority: medium Component: Drivers/Gallium/i915g AssignedTo: dri-devel@lists.freedesktop.org ReportedBy: vlee@vmware.com

mesa: 3a7953910a7c3babebd6479bbefe9a1032bd8299 (master)

chipset: 945GM (Intel GMA 950) system architecture: i686 xserver-xorg-video-intel: 2:2.14.0-4ubuntu7.1 libdrm-intel1: 2.4.23-1ubuntu6 kernel version: 2.6.38-8-generic Linux distribution: Ubuntu 11.04 i386

Run piglit fbo-clear-formats GL_ARB_depth_texture test.

$ ./bin/fbo-clear-formats GL_ARB_depth_texture -auto Using test set: GL_ARB_depth_texture Testing GL_DEPTH_COMPONENT src/gallium/drivers/i915/i915_state_static.c:122:update_framebuffer: Assertion `offset == 0' failed. Trace/breakpoint trap (core dumped)

(gdb) bt #0 0x01174574 in _debug_assert_fail (expr=0x1a7c0eb "offset == 0", file=0x1a7c0b8 "src/gallium/drivers/i915/i915_state_static.c", line=122, function=0x1a7c11d "update_framebuffer") at src/gallium/auxiliary/util/u_debug.c:282 #1 0x01121a1f in update_framebuffer (i915=0x9cf93f8) at src/gallium/drivers/i915/i915_state_static.c:122 #2 0x0111ef18 in i915_update_derived (i915=0x9cf93f8) at src/gallium/drivers/i915/i915_state_derived.c:195 #3 0x01119f86 in i915_draw_vbo (pipe=0x9cf93f8, info=0xbfd48b14) at src/gallium/drivers/i915/i915_context.c:66 #4 0x011766a3 in util_draw_arrays (pipe=0x9cf93f8, mode=6, start=0, count=4) at src/gallium/auxiliary/util/u_draw.h:63 #5 0x0117677a in util_draw_vertex_buffer (pipe=0x9cf93f8, cso=0x9dda148, vbuf=0x9e5d058, offset=0, prim_type=6, num_verts=4, num_attribs=2) at src/gallium/auxiliary/util/u_draw_quad.c:69 #6 0x019fc957 in draw_quad (st=0x9dc5598, x0=-1, y0=-1, x1=-0.984375, y1=1, z=0.00390625, color=0xbfd48c3c) at src/mesa/state_tracker/st_cb_clear.c:199 #7 0x019fcf2a in clear_with_quad (ctx=0x9d875e8, color=0 '\000', depth=2 '\002', stencil=0 '\000') at src/mesa/state_tracker/st_cb_clear.c:332 #8 0x019fd5fa in st_Clear (ctx=0x9d875e8, mask=16) at src/mesa/state_tracker/st_cb_clear.c:563 #9 0x019856c5 in _mesa_Clear (mask=256) at src/mesa/main/clear.c:250 #10 0x0806ac47 in do_depth_clear () #11 0x0806ae3a in create_tex () #12 0x0806b716 in test_format () #13 0x0806a66c in fbo_formats_display () #14 0x0806b824 in piglit_display () #15 0x0806c20b in display () #16 0x00317c1e in fghRedrawWindow (window=0x9cf1a00, enumerator=0xbfd48f58) at freeglut_main.c:210 #17 fghcbDisplayWindow (window=0x9cf1a00, enumerator=0xbfd48f58) at freeglut_main.c:227 #18 0x0031b590 in fgEnumWindows (enumCallback=0x317b20 <fghcbDisplayWindow>, enumerator=0xbfd48f58) at freeglut_structure.c:394 #19 0x0031802e in fghDisplayAll () at freeglut_main.c:249 #20 glutMainLoopEvent () at freeglut_main.c:1450 #21 0x00318935 in glutMainLoop () at freeglut_main.c:1498 #22 0x0806c3af in main () (gdb) frame 1 #1 0x01121a1f in update_framebuffer (i915=0x9cf93f8) at src/gallium/drivers/i915/i915_state_static.c:122 122 assert(offset == 0); (gdb) print offset $1 = 262144 (gdb) print /x offset $2 = 0x40000