[Bug 71859] texelFetch segfault in libLLVM-3.3.so (on Cayman)

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Nov 21 19:53:26 PST 2013 

https://bugs.freedesktop.org/show_bug.cgi?id=71859

--- Comment #7 from Alexandre Demers <alexandre.f.demers at gmail.com> ---
Replace "failing TexelFetch" by "crashing TexelFetch"

(In reply to comment #6)
> Well, before looking at the backtrace, I want to flag I don't have the same
> result with and without gdb. See below.
> 
> I ran one of the failing TexelFetch tests that was failing. Running
> "/home/dema1701/projects/display/piglit/bin/texelFetch 140 vs usampler2DRect
> -auto -fbo" in a terminal fails with the following:
> 
> VM start=0x800000  end=0x801000 | Buffer 4096 bytes
> VM start=0x801000  end=0x811000 | Buffer 65536 bytes
> VM start=0x811000  end=0x811010 | Buffer 16 bytes
> VM start=0x812000  end=0x812038 | Buffer 56 bytes
> VM start=0x813000  end=0x813038 | Buffer 56 bytes
> VM start=0x814000  end=0x814020 | Buffer 32 bytes
> VM start=0x815000  end=0x815028 | Buffer 40 bytes
> VM start=0x816000  end=0x816010 | Buffer 16 bytes
> ATTENTION: default value of option vblank_mode overridden by environment.
> VM start=0x817000  end=0x827000 | Buffer 65536 bytes
> VM start=0x827000  end=0x827010 | Buffer 16 bytes
> VM start=0x828000  end=0x828038 | Buffer 56 bytes
> VM start=0x829000  end=0x829038 | Buffer 56 bytes
> VM start=0x82A000  end=0x82A020 | Buffer 32 bytes
> VM start=0x82B000  end=0x82B028 | Buffer 40 bytes
> VM start=0x82C000  end=0x82C010 | Buffer 16 bytes
> VM start=0x830000  end=0x834000 | Texture 512x32x1, 1 levels, 1 samples,
> i8_unorm
> VM start=0x834000  end=0x844000 | Buffer 65536 bytes
> VM start=0x82D000  end=0x82D080 | Buffer 128 bytes
> VM start=0x82E000  end=0x82E020 | Buffer 32 bytes
> VM start=0x82F000  end=0x82F010 | Buffer 16 bytes
> VM start=0x848000  end=0x868000 | Texture 165x165x1, 1 levels, 1 samples,
> r8g8_unorm
> VM start=0x868000  end=0x87CA00 | Texture 165x165x1, 1 levels, 1 samples,
> r8g8_unorm
> VM start=0x844000  end=0x844078 | Buffer 120 bytes
> VM start=0x845000  end=0x845190 | Buffer 400 bytes
> VM start=0x846000  end=0x8466C0 | Buffer 1728 bytes
> VM start=0x847000  end=0x8473C0 | Buffer 960 bytes
> VM start=0x900000  end=0xB80000 | Texture 900x600x1, 1 levels, 1 samples,
> b8g8r8x8_unorm
> VM start=0xB80000  end=0xF55700 | Texture 900x600x1, 10 levels, 1 samples,
> r8g8b8a8_unorm
> 65x32x1
> VM start=0x880000  end=0x889000 | Texture 65x32x1, 1 levels, 1 samples,
> r32g32b32a32_uint
> VM start=0x889000  end=0x899000 | Texture 65x32x1, 1 levels, 1 samples,
> r32g32b32a32_uint
> VM start=0x899000  end=0x899050 | Buffer 80 bytes
> VM start=0x89A000  end=0x8AA000 | Buffer 65536 bytes
> VM start=0x8AA000  end=0x8AA050 | Buffer 80 bytes
> VM start=0x8AB000  end=0x8B3200 | Buffer 33280 bytes
> VM start=0x8B4000  end=0x8BC200 | Buffer 33280 bytes
> VM start=0x8BD000  end=0x8BD0F8 | Buffer 248 bytes
> Stack dump:
> 0.	Running pass 'Function Pass Manager' on module 'tgsi'.
> 1.	Running pass 'AMDGPU DAG->DAG Pattern Instruction Selection' on function
> '@main'
> Segmentation fault (core dumped)
> 
> ---
> Running the same thing, but with gdb as "gdb --args
> /home/dema1701/projects/display/piglit/bin/texelFetch 140 vs usampler2DRect
> -auto -fbo" ends with a PASS:
> 
> Starting program: /home/dema1701/projects/display/piglit/bin/texelFetch 140
> vs usampler2DRect -auto -fbo
> warning: no loadable sections found in added symbol-file system-supplied DSO
> at 0x7ffff7ffa000
> warning: Could not load shared library symbols for linux-vdso.so.1.
> Do you need "set solib-search-path" or "set sysroot"?
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/usr/lib/libthread_db.so.1".
> [New Thread 0x7fffef6e5700 (LWP 7915)]
> VM start=0x800000  end=0x801000 | Buffer 4096 bytes
> VM start=0x801000  end=0x811000 | Buffer 65536 bytes
> VM start=0x811000  end=0x811010 | Buffer 16 bytes
> VM start=0x812000  end=0x812038 | Buffer 56 bytes
> VM start=0x813000  end=0x813038 | Buffer 56 bytes
> VM start=0x814000  end=0x814020 | Buffer 32 bytes
> VM start=0x815000  end=0x815028 | Buffer 40 bytes
> VM start=0x816000  end=0x816010 | Buffer 16 bytes
> ATTENTION: default value of option vblank_mode overridden by environment.
> VM start=0x817000  end=0x827000 | Buffer 65536 bytes
> VM start=0x827000  end=0x827010 | Buffer 16 bytes
> VM start=0x828000  end=0x828038 | Buffer 56 bytes
> VM start=0x829000  end=0x829038 | Buffer 56 bytes
> VM start=0x82A000  end=0x82A020 | Buffer 32 bytes
> VM start=0x82B000  end=0x82B028 | Buffer 40 bytes
> VM start=0x82C000  end=0x82C010 | Buffer 16 bytes
> VM start=0x830000  end=0x834000 | Texture 512x32x1, 1 levels, 1 samples,
> i8_unorm
> VM start=0x834000  end=0x844000 | Buffer 65536 bytes
> VM start=0x82D000  end=0x82D080 | Buffer 128 bytes
> VM start=0x82E000  end=0x82E020 | Buffer 32 bytes
> VM start=0x82F000  end=0x82F010 | Buffer 16 bytes
> VM start=0x848000  end=0x868000 | Texture 165x165x1, 1 levels, 1 samples,
> r8g8_unorm
> VM start=0x868000  end=0x87CA00 | Texture 165x165x1, 1 levels, 1 samples,
> r8g8_unorm
> VM start=0x844000  end=0x844078 | Buffer 120 bytes
> VM start=0x845000  end=0x845190 | Buffer 400 bytes
> VM start=0x846000  end=0x8466C0 | Buffer 1728 bytes
> VM start=0x847000  end=0x8473C0 | Buffer 960 bytes
> VM start=0x900000  end=0xB80000 | Texture 900x600x1, 1 levels, 1 samples,
> b8g8r8x8_unorm
> VM start=0xB80000  end=0xF55700 | Texture 900x600x1, 10 levels, 1 samples,
> r8g8b8a8_unorm
> 65x32x1
> VM start=0x880000  end=0x889000 | Texture 65x32x1, 1 levels, 1 samples,
> r32g32b32a32_uint
> VM start=0x889000  end=0x899000 | Texture 65x32x1, 1 levels, 1 samples,
> r32g32b32a32_uint
> VM start=0x899000  end=0x899050 | Buffer 80 bytes
> VM start=0x89A000  end=0x8AA000 | Buffer 65536 bytes
> VM start=0x8AA000  end=0x8AA050 | Buffer 80 bytes
> VM start=0x8AB000  end=0x8B3200 | Buffer 33280 bytes
> VM start=0x8B4000  end=0x8BC200 | Buffer 33280 bytes
> VM start=0x8BD000  end=0x8BD0F8 | Buffer 248 bytes
> VM start=0x8BE000  end=0x8BE040 | Buffer 64 bytes
> VM start=0xF56000  end=0x1056000 | Buffer 1048576 bytes
> VM start=0x8BF000  end=0x8BF038 | Buffer 56 bytes
> VM start=0x8C0000  end=0x8C00F8 | Buffer 248 bytes
> VM start=0x8C1000  end=0x8D1000 | Texture 65x32x1, 1 levels, 1 samples,
> r32g32b32a32_float
> [Thread 0x7fffef6e5700 (LWP 7915) exited]
> PIGLIT: {'result': 'pass' }
> [Inferior 1 (process 7911) exited normally]

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