https://bugs.freedesktop.org/show_bug.cgi?id=32905

Summary: [r300g] src/gallium/drivers/r300/r300_state.c:1874:r300_set_co nstant_buffer: Assertion `(buf->width0 % (4 * sizeof(float))) == 0' failed. Product: Mesa Version: git Platform: x86 (IA32) OS/Version: Linux (All) Status: NEW Severity: critical Priority: medium Component: Drivers/Gallium/r300 AssignedTo: dri-devel@lists.freedesktop.org ReportedBy: vlee@vmware.com

mesa: 82acc3b14c2e85b4367bcbbb50f6a7e946050b19 (master)

chipset: RV530 71C5 (ATI Radeon X1600) system architecture: i686 libdrm-dev: 2.4.21-1ubuntu2.1 kernel version: 2.6.35-24-generic Linux distribution: Ubuntu 10.10 i386

Run piglit fdo10370 test.

$ ./bin/fdo10370 -auto radeon: Successfully grabbed chipset info from kernel! radeon: DRM version: 2.5.0 ID: 0x71c5 GB: 1 Z: 2 radeon: GART size: 509 MB VRAM size: 128 MB radeon: HyperZ: NO src/gallium/drivers/r300/r300_state.c:1874:r300_set_constant_buffer: Assertion `(buf->width0 % (4 * sizeof(float))) == 0' failed. Trace/breakpoint trap

Program terminated with signal 5, Trace/breakpoint trap. #0 0x01109d6f in _debug_assert_fail (expr=0x1986b44 "(buf->width0 % (4 * sizeof(float))) == 0", file=0x19867dc "src/gallium/drivers/r300/r300_state.c", line=1874, function=0x1986b6d "r300_set_constant_buffer") at src/gallium/auxiliary/util/u_debug.c:234 234 os_abort(); (gdb) bt #0 0x01109d6f in _debug_assert_fail (expr=0x1986b44 "(buf->width0 % (4 * sizeof(float))) == 0", file=0x19867dc "src/gallium/drivers/r300/r300_state.c", line=1874, function=0x1986b6d "r300_set_constant_buffer") at src/gallium/auxiliary/util/u_debug.c:234 #1 0x01082953 in r300_set_constant_buffer (pipe=0x8a8a528, shader=0, index=0, buf=0x8a809c0) at src/gallium/drivers/r300/r300_state.c:1874 #2 0x018f27c5 in st_upload_constants (st=0x8aee1d8, params=0x8add398, shader_type=0) at src/mesa/state_tracker/st_atom_constbuf.c:92 #3 0x018f28a4 in update_vs_constants (st=0x8aee1d8) at src/mesa/state_tracker/st_atom_constbuf.c:114 #4 0x018f1a1b in st_validate_state (st=0x8aee1d8) at src/mesa/state_tracker/st_atom.c:196 #5 0x018fd3f5 in st_Clear (ctx=0x8aafa10, mask=1) at src/mesa/state_tracker/st_cb_clear.c:464 #6 0x018874f0 in _mesa_Clear (mask=16384) at src/mesa/main/clear.c:242 #7 0x08049032 in display () at piglit/tests/bugs/fdo10370.c:66 #8 0x00720820 in fghRedrawWindow (window=DWARF-2 expression error: DW_OP_reg operations must be used either alone or in conjuction with DW_OP_piece or DW_OP_bit_piece. ) at freeglut_main.c:210 #9 fghcbDisplayWindow (window=DWARF-2 expression error: DW_OP_reg operations must be used either alone or in conjuction with DW_OP_piece or DW_OP_bit_piece. ) at freeglut_main.c:227 #10 0x00724660 in fgEnumWindows (enumCallback=0x720790 <fghcbDisplayWindow>, enumerator=0xbfd89dd8) at freeglut_structure.c:394 #11 0x00720cdb in fghDisplayAll () at freeglut_main.c:249 #12 glutMainLoopEvent () at freeglut_main.c:1450 #13 0x00721605 in glutMainLoop () at freeglut_main.c:1498 #14 0x08049678 in main (argc=2, argv=0xbfd8a054) at piglit/tests/bugs/fdo10370.c:170 (gdb) frame 1 #1 0x01082953 in r300_set_constant_buffer (pipe=0x8a8a528, shader=0, index=0, buf=0x8a809c0) at src/gallium/drivers/r300/r300_state.c:1874 1874 assert((buf->width0 % (4 * sizeof(float))) == 0); (gdb) print buf->width0 $1 = 4294967295 (gdb) print /x buf->width0 $2 = 0xffffffff