Bug#902246: alien-arena crashes with SIGSEGV on ppc64el with amdgpu graphics

[Timothy Pearson]

Package: alien-arena
Version: 7.66+dfsg-5

When alien-arena loads a map, right before the gameplay starts, we get a
SIGSEGV and the game quits:

> Thread 1 "alienarena" received signal SIGSEGV, Segmentation fault.
> 0x00007ffff1ba5ec4 in llvm::Value::getContext() const () from /usr/lib/powerpc64le-linux-gnu/libLLVM-6.0.so.1
> (gdb) bt
> #0  0x00007ffff1ba5ec4 in llvm::Value::getContext() const () from /usr/lib/powerpc64le-linux-gnu/libLLVM-6.0.so.1
> #1  0x00007ffff1ba7db8 in llvm::Value::setNameImpl(llvm::Twine const&) () from /usr/lib/powerpc64le-linux-gnu/libLLVM-6.0.so.1
> #2  0x00007ffff1ba8140 in llvm::Value::setName(llvm::Twine const&) () from /usr/lib/powerpc64le-linux-gnu/libLLVM-6.0.so.1
> #3  0x00007ffff1b27b60 in llvm::ExtractValueInst::init(llvm::ArrayRef<unsigned int>, llvm::Twine const&) () from /usr/lib/powerpc64le-linux-gnu/libLLVM-6.0.so.1
> #4  0x00007ffff1aae6f0 in LLVMBuildExtractValue () from /usr/lib/powerpc64le-linux-gnu/libLLVM-6.0.so.1
> #5  0x00007ffff5a7b2e4 in si_build_ps_prolog_function (ctx=0x7fffffffa120, key=0x7fffffffe3f2) at ../../../../../src/gallium/drivers/radeonsi/si_shader.c:7722
> #6  0x00007ffff5a7f8c8 in si_get_shader_part (sscreen=0x10b67dbc0, list=0x10b67e108, type=PIPE_SHADER_FRAGMENT, prolog=true, key=0x7fffffffe3f2, tm=0x10b635f80, debug=0x10c7050a8, build=0x7ffff5a7ab40 <si_build_ps_prolog_function>,
>     name=0x7ffff5c78420 "Fragment Shader Prolog") at ../../../../../src/gallium/drivers/radeonsi/si_shader.c:7154
> #7  0x00007ffff5a825c0 in si_shader_select_ps_parts (debug=0x10c7050a8, shader=0x10c7050a0, tm=0x10b635f80, sscreen=0x10b67dbc0) at ../../../../../src/gallium/drivers/radeonsi/si_shader.c:7924
> #8  si_shader_create (sscreen=0x10b67dbc0, tm=0x10b635f80, shader=0x10c7050a0, debug=0x10c7050a8) at ../../../../../src/gallium/drivers/radeonsi/si_shader.c:8114
> #9  0x00007ffff5aa21b0 in si_build_shader_variant (shader=0x10c7050a0, thread_index=<optimized out>, low_priority=<optimized out>) at ../../../../../src/gallium/drivers/radeonsi/si_state_shaders.c:1510
> #10 0x00007ffff5aa4fdc in si_shader_select_with_key (thread_index=-1, key=0x7fffffffe54e, compiler_state=0x7fffffffe6c0, state=0x10b5ed490, sscreen=0x10b67dbc0) at ../../../../../src/gallium/drivers/radeonsi/si_state_shaders.c:1772
> #11 si_shader_select (ctx=0x10b5ec830, state=0x10b5ed490, compiler_state=0x7fffffffe6c0) at ../../../../../src/gallium/drivers/radeonsi/si_state_shaders.c:1790
> #12 0x00007ffff5aa5c28 in si_update_shaders (sctx=0x10b5ec830) at ../../../../../src/gallium/drivers/radeonsi/si_state_shaders.c:3242
> #13 0x00007ffff5a9e2a0 in si_draw_vbo (ctx=0x10b5ec830, info=0x10b6372e8) at ../../../../../src/gallium/drivers/radeonsi/si_state_draw.c:1331
> #14 0x00007ffff57513e8 in tc_call_draw_vbo (pipe=<optimized out>, payload=<optimized out>) at ../../../../src/gallium/auxiliary/util/u_threaded_context.c:2012
> #15 0x00007ffff574e134 in tc_batch_execute (thread_index=0, job=<optimized out>) at ../../../../src/gallium/auxiliary/util/u_threaded_context.c:96
> #16 _tc_sync (tc=0x10b636bd0, func=<optimized out>, info=<optimized out>) at ../../../../src/gallium/auxiliary/util/u_threaded_context.c:207
> #17 0x00007ffff5752468 in tc_texture_subdata (_pipe=0x10b636bd0, resource=0x10c704890, level=<optimized out>, usage=<optimized out>, box=0x7fffffffea50, data=0x10ca68650, stride=<optimized out>, layer_stride=<optimized out>)
>     at ../../../../src/gallium/auxiliary/util/u_threaded_context.c:1717
> #18 0x00007ffff5423a30 in st_TexSubImage (ctx=0x10b75ef60, dims=2, texImage=0x10c70d300, xoffset=0, yoffset=<optimized out>, zoffset=<optimized out>, width=<optimized out>, height=<optimized out>, depth=<optimized out>,
>     format=<optimized out>, type=<optimized out>, pixels=<optimized out>, unpack=<optimized out>) at ../../../src/mesa/state_tracker/st_cb_texture.c:1434
> #19 0x00007ffff5425d14 in st_TexImage (ctx=0x10b75ef60, dims=<optimized out>, texImage=0x10c70d300, format=<optimized out>, type=<optimized out>, pixels=0x10ca68650, unpack=0x10b7684e8)
>     at ../../../src/mesa/state_tracker/st_cb_texture.c:1651
> #20 0x00007ffff5386f40 in teximage (no_error=false, pixels=0x10ca68650, imageSize=0, type=5121, format=6408, border=0, depth=<optimized out>, height=<optimized out>, width=<optimized out>, internalFormat=4, level=0, target=3553,
>     dims=2, compressed=0 '\000', ctx=0x10b75ef60) at ../../../src/mesa/main/teximage.c:3101
> #21 teximage_err (ctx=0x10b75ef60, compressed=0 '\000', dims=2, target=<optimized out>, level=<optimized out>, internalFormat=<optimized out>, width=<optimized out>, height=<optimized out>, depth=1, border=0, format=6408, type=5121,
>     imageSize=0, pixels=0x10ca68650) at ../../../src/mesa/main/teximage.c:3128
> #22 0x00007ffff5388e9c in _mesa_TexImage2D (target=<optimized out>, level=<optimized out>, internalFormat=<optimized out>, width=<optimized out>, height=<optimized out>, border=<optimized out>, format=<optimized out>,
>     type=<optimized out>, pixels=0x10ca68650) at ../../../src/mesa/main/teximage.c:3166
> #23 0x00000001000970b4 in ?? ()
> #24 0x0000000100097a9c in ?? ()
> #25 0x00000001000987fc in ?? ()
> #26 0x00000001000cbeec in ?? ()
> #27 0x00000001000a4a5c in ?? ()
> #28 0x00000001000a6624 in ?? ()
> #29 0x00000001000a6998 in ?? ()
> #30 0x000000010004a564 in ?? ()
> #31 0x0000000100043014 in ?? ()
> #32 0x0000000100036678 in ?? ()
> #33 0x0000000100083b50 in ?? ()
> #34 0x0000000100012778 in ?? ()
> #35 0x00007ffff74a429c in generic_start_main (main=0x100012650, argc=<optimized out>, argv=0x7ffffffffab8, auxvec=0x7ffffffffb78, init=<optimized out>, rtld_fini=<optimized out>, stack_end=<optimized out>, fini=<optimized out>)
>     at ../csu/libc-start.c:310
> #36 0x00007ffff74a4498 in __libc_start_main (argc=<optimized out>, argv=<optimized out>, ev=<optimized out>, auxvec=<optimized out>, rtld_fini=<optimized out>, stinfo=<optimized out>, stack_on_entry=<optimized out>)
>     at ../sysdeps/unix/sysv/linux/powerpc/libc-start.c:116
> #37 0x0000000000000000 in ?? ()