[Mesa-dev] [Bug 85377] New: lp_test_format failure with llvm-3.6

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85377

            Bug ID: 85377
           Summary: lp_test_format failure with llvm-3.6
           Product: Mesa
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: All
            Status: NEW
          Keywords: have-backtrace
          Severity: normal
          Priority: medium
         Component: Mesa core
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: vlee at freedesktop.org
                CC: brianp at vmware.com, jfonseca at vmware.com,
                    sroland at vmware.com

mesa: bbe93161e7781c303de7d83bc601601f675b56f9 (master 10.4.0-devel)

$ ./build/linux-x86_64-debug/bin/lp_test_format 
Testing PIPE_FORMAT_B8G8R8A8_UNORM (float) ...
Testing PIPE_FORMAT_B8G8R8A8_UNORM (unorm8) ...
Testing PIPE_FORMAT_B8G8R8X8_UNORM (float) ...
Testing PIPE_FORMAT_B8G8R8X8_UNORM (unorm8) ...
Testing PIPE_FORMAT_A8R8G8B8_UNORM (float) ...
Testing PIPE_FORMAT_A8R8G8B8_UNORM (unorm8) ...
Testing PIPE_FORMAT_X8R8G8B8_UNORM (float) ...
Testing PIPE_FORMAT_X8R8G8B8_UNORM (unorm8) ...
Testing PIPE_FORMAT_B5G5R5A1_UNORM (float) ...
Testing PIPE_FORMAT_B5G5R5A1_UNORM (unorm8) ...
Testing PIPE_FORMAT_B4G4R4A4_UNORM (float) ...
Testing PIPE_FORMAT_B4G4R4A4_UNORM (unorm8) ...
Testing PIPE_FORMAT_B5G6R5_UNORM (float) ...
Testing PIPE_FORMAT_B5G6R5_UNORM (unorm8) ...
Testing PIPE_FORMAT_R10G10B10A2_UNORM (float) ...
Testing PIPE_FORMAT_R10G10B10A2_UNORM (unorm8) ...
Testing PIPE_FORMAT_L8_UNORM (float) ...
Testing PIPE_FORMAT_L8_UNORM (unorm8) ...
Testing PIPE_FORMAT_A8_UNORM (float) ...
Testing PIPE_FORMAT_A8_UNORM (unorm8) ...
Testing PIPE_FORMAT_I8_UNORM (float) ...
Testing PIPE_FORMAT_I8_UNORM (unorm8) ...
Testing PIPE_FORMAT_L8A8_UNORM (float) ...
Testing PIPE_FORMAT_L8A8_UNORM (unorm8) ...
Testing PIPE_FORMAT_L16_UNORM (float) ...
Testing PIPE_FORMAT_L16_UNORM (unorm8) ...
Testing PIPE_FORMAT_UYVY (float) ...
Testing PIPE_FORMAT_UYVY (unorm8) ...
Testing PIPE_FORMAT_YUYV (float) ...
Testing PIPE_FORMAT_YUYV (unorm8) ...
Testing PIPE_FORMAT_R32_FLOAT (float) ...
Testing PIPE_FORMAT_R32_FLOAT (unorm8) ...
Testing PIPE_FORMAT_R32G32_FLOAT (float) ...
Testing PIPE_FORMAT_R32G32_FLOAT (unorm8) ...
Testing PIPE_FORMAT_R32G32B32_FLOAT (float) ...
Testing PIPE_FORMAT_R32G32B32_FLOAT (unorm8) ...
Testing PIPE_FORMAT_R32G32B32A32_FLOAT (float) ...
Segmentation fault (core dumped)

(gdb) bt
#0  0x00007ffff7ff7004 in ?? ()
#1  0x00007fffffffe2c0 in ?? ()
#2  0x0000000000457334 in test_format_float (verbose=0, fp=0x1a89a98,
desc=0x1a89a10) at src/gallium/drivers/llvmpipe/lp_test_format.c:168
Backtrace stopped: frame did not save the PC
(gdb) frame 2
#2  0x0000000000457334 in test_format_float (verbose=0, fp=0x1a89a98,
desc=0x1a89a10) at src/gallium/drivers/llvmpipe/lp_test_format.c:168
168                   fetch_ptr(unpacked, test->packed, j, i);
(gdb) print test
$1 = (const struct util_format_test_case *) 0x0

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