[Bug 27144] New: piglit glean/depthStencil test core dumps with RV790

[Bug 27144] New: piglit glean/depthStencil test core dumps with RV790

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=27144

           Summary: piglit glean/depthStencil test core dumps with RV790
           Product: Mesa
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/R600
        AssignedTo: dri-devel@lists.sourceforge.net
        ReportedBy: rankincj@googlemail.com


Program terminated with signal 11, Segmentation fault.
#0  0x00007f1d9af0cfdb in radeonWriteDepthSpan_s8_z24 (
    ctx=<value optimized out>, rb=0x30588d0, n=<value optimized out>, 
    x=<value optimized out>, y=971, values=<value optimized out>, mask=0x0)
    at ../../../../../src/mesa/drivers/dri/common/depthtmp.h:61
61                           WRITE_DEPTH( x1, y, depth[i] );
Missing separate debuginfos, use: debuginfo-install expat-2.0.1-8.fc12.x86_64
glibc-2.11.1-1.x86_64 libICE-1.0.6-1.fc12.x86_64 libSM-1.1.0-7.fc12.x86_64
libX11-1.3-1.fc12.x86_64 libXau-1.0.5-1.fc12.x86_64
libXdamage-1.1.2-1.fc12.x86_64 libXext-1.1-2.fc12.x86_64
libXfixes-4.0.4-1.fc12.x86_64 libXi-1.3-2.fc12.x86_64
libXmu-1.0.5-1.fc12.x86_64 libXt-1.0.7-1.fc12.x86_64
libXxf86vm-1.1.0-1.fc12.x86_64 libdrm-2.4.18-0.1.fc12.x86_64
libgcc-4.4.3-4.fc12.x86_64 libjpeg-6b-46.fc12.x86_64
libstdc++-4.4.3-4.fc12.x86_64 libtiff-3.9.2-3.fc12.x86_64
libuuid-2.16.2-7.fc12.x86_64 libxcb-1.5-1.fc12.x86_64 zlib-1.2.3-23.fc12.x86_64
(gdb) where
#0  0x00007f1d9af0cfdb in radeonWriteDepthSpan_s8_z24 (
    ctx=<value optimized out>, rb=0x30588d0, n=<value optimized out>, 
    x=<value optimized out>, y=971, values=<value optimized out>, mask=0x0)
    at ../../../../../src/mesa/drivers/dri/common/depthtmp.h:61
#1  0x00007f1d9afe56f8 in draw_depth_stencil_pixels (ctx=0x2b51c00, x=0, y=0, 
    width=1000, height=972, type=34042, unpack=0x2b618e8, pixels=0x3332b70)
    at swrast/s_drawpix.c:667
#2  0x00007f1d9afe59a4 in _swrast_DrawPixels (ctx=0x2b51c00, 
    x=<value optimized out>, y=<value optimized out>, width=1000, height=1000, 
    format=34041, type=34042, unpack=0x2b618e8, pixels=<value optimized out>)
    at swrast/s_drawpix.c:812
#3  0x00007f1d9b01bb29 in _mesa_meta_DrawPixels (ctx=0x2b51c00, 
    x=<value optimized out>, y=<value optimized out>, 
    width=<value optimized out>, height=<value optimized out>, 
    format=<value optimized out>, type=34042, unpack=0x2b618e8, 
    pixels=0x3332b70) at drivers/common/meta.c:1798
#4  0x00007f1d9b043c05 in _mesa_DrawPixels (width=1000, height=1000, 
    format=34041, type=34042, pixels=0x3332b70) at main/drawpix.c:119
#5  0x00000000004b4583 in GLEAN::DepthStencilTest::readPixelsRate (
    this=0x79dd00, format=34041, type=34042)
    at /home/chris/Programs/piglit/tests/glean/tdepthstencil.cpp:245
#6  0x00000000004b470e in GLEAN::DepthStencilTest::testPerformance (
    this=0x79dd00, r=...)
    at /home/chris/Programs/piglit/tests/glean/tdepthstencil.cpp:274
#7  0x00000000004b484c in GLEAN::DepthStencilTest::runOne (this=0x79dd00, 
    r=..., w=...)
    at /home/chris/Programs/piglit/tests/glean/tdepthstencil.cpp:307
#8  0x00000000004b5e52 in GLEAN::BaseTest<GLEAN::DepthStencilResult>::run (
    this=0x79dd00, environment=...)
    at /home/chris/Programs/piglit/tests/glean/tbase.h:320
#9  0x00000000004906ec in main (argc=5, argv=0x7fff4f4c68d8)
    at /home/chris/Programs/piglit/tests/glean/main.cpp:141


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[Bug 27144] piglit glean/depthStencil test core dumps with RV790

[bugzilla-daemon]

http://bugs.freedesktop.org/show_bug.cgi?id=27144





--- Comment #1 from Chris Rankin <rankincj@googlemail.com>  2010-03-18 16:51:10 PST ---
I don't understand the "why" on this one, just that the SIGSEGV happens within
the following WRITE_DEPTH macro:

#define WRITE_DEPTH( _x, _y, d )                                        \
do {                                                                    \
   GLuint *_ptr = (GLuint*)r600_ptr_depth( rrb, _x + x_off, _y + y_off );      
        \
   GLuint tmp = *_ptr;                          \
   tmp &= 0xff000000;                                                   \
   tmp |= ((d) & 0x00ffffff);                                   \
   *_ptr = tmp;                                 \
   _ptr = (GLuint*)r600_ptr_stencil(rrb, _x + x_off, _y + y_off);              
\
   tmp = *_ptr;                         \
   tmp &= 0xffffff00;                                                   \
   tmp |= ((d) >> 24) & 0xff;                                           \
   *_ptr = tmp;                                 \
} while (0)

The exact location seems to be the second line, where the contents of _ptr are
assigned to GLuint tmp. In my particular example, _x = 640, _y = 971 and d = 0
when it explodes.

It might be worth noting that this is an x86_64 machine, although it's
definitely SIGSEGV and not SIGBUS.


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[Bug 27144] piglit glean/depthStencil test core dumps with RV790

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=27144

Andreas Boll <andreas.boll.dev@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |WORKSFORME

--- Comment #2 from Andreas Boll <andreas.boll.dev@gmail.com> 2012-09-13 09:49:59 UTC ---
Note: classic r600 driver has been abandoned.

the glean/depthStencil test passes with r600g (gallium driver) on my rv770
tested with mesa git master 28f4be9eb91b12a2c6b1db6660cca71a98c486ec

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