[Beignet] beignet git with llvm 3.7.1 + haswell (gen 7.5) failing

Fri Jan 15 13:24:38 PST 2016

hi all, beignet git compiled with llvm 3.7.1 will fail in a haswell (gen
7.5).

trace below:

groo at hydra:~/devel/opencl/tools-master$ gdb --args cl-demo 10000 10
GNU gdb (Ubuntu 7.10-1ubuntu2) 7.10
Copyright (C) 2015 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html
>
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Reading symbols from cl-demo...(no debugging symbols found)...done.
(gdb) run
Starting program: /home/groo/devel/opencl/tools-master/cl-demo 10000 10
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffed4d0700 (LWP 6204)]
[New Thread 0x7fffecccf700 (LWP 6205)]
[New Thread 0x7fffec4ce700 (LWP 6206)]
[New Thread 0x7fffebccd700 (LWP 6207)]
[New Thread 0x7fffeb4cc700 (LWP 6208)]
[Thread 0x7fffeb4cc700 (LWP 6208) exited]
[Thread 0x7fffebccd700 (LWP 6207) exited]
[Thread 0x7fffec4ce700 (LWP 6206) exited]
[Thread 0x7fffecccf700 (LWP 6205) exited]
Choose platform:
[0] Intel
[1] Mesa
Enter choice: 0
Choose device:
[0] Intel(R) HD Graphics Haswell Ultrabook GT2 Mobile
Enter choice: 0
---------------------------------------------------------------------
NAME: Intel(R) HD Graphics Haswell Ultrabook GT2 Mobile
VENDOR: Intel
PROFILE: FULL_PROFILE
VERSION: OpenCL 1.2 beignet 1.2
EXTENSIONS: cl_khr_global_int32_base_atomics
cl_khr_global_int32_extended_atomics cl_khr_local_int32_base_atomics
cl_khr_local_int32_extended_atomics cl_khr_byte_addressable_store
cl_khr_image2d_from_buffer cl_khr_spir cl_khr_icd cl_intel_accelerator
cl_intel_motion_estimation
DRIVER_VERSION: 1.2

Type: GPU
EXECUTION_CAPABILITIES: Kernel Native
GLOBAL_MEM_CACHE_TYPE: Read-Write (2)
CL_DEVICE_LOCAL_MEM_TYPE: Global (2)
SINGLE_FP_CONFIG: 0x6
QUEUE_PROPERTIES: 0x2

VENDOR_ID: 32902
MAX_COMPUTE_UNITS: 20
MAX_WORK_ITEM_DIMENSIONS: 3
MAX_WORK_GROUP_SIZE: 512
PREFERRED_VECTOR_WIDTH_CHAR: 16
PREFERRED_VECTOR_WIDTH_SHORT: 8
PREFERRED_VECTOR_WIDTH_INT: 4
PREFERRED_VECTOR_WIDTH_LONG: 2
PREFERRED_VECTOR_WIDTH_FLOAT: 4
PREFERRED_VECTOR_WIDTH_DOUBLE: 0
MAX_CLOCK_FREQUENCY: 1000
ADDRESS_BITS: 32
MAX_MEM_ALLOC_SIZE: 1610612736
IMAGE_SUPPORT: 1
MAX_READ_IMAGE_ARGS: 128
MAX_WRITE_IMAGE_ARGS: 8
IMAGE2D_MAX_WIDTH: 8192
IMAGE2D_MAX_HEIGHT: 8192
IMAGE3D_MAX_WIDTH: 8192
IMAGE3D_MAX_HEIGHT: 8192
IMAGE3D_MAX_DEPTH: 2048
MAX_SAMPLERS: 16
MAX_PARAMETER_SIZE: 1024
MEM_BASE_ADDR_ALIGN: 1024
MIN_DATA_TYPE_ALIGN_SIZE: 128
GLOBAL_MEM_CACHELINE_SIZE: 64
GLOBAL_MEM_CACHE_SIZE: 8192
GLOBAL_MEM_SIZE: 2147483648
MAX_CONSTANT_BUFFER_SIZE: 134217728
MAX_CONSTANT_ARGS: 8
LOCAL_MEM_SIZE: 65536
ERROR_CORRECTION_SUPPORT: 0
PROFILING_TIMER_RESOLUTION: 80
ENDIAN_LITTLE: 1
AVAILABLE: 1
COMPILER_AVAILABLE: 1
MAX_WORK_GROUP_SIZES: 512 512 512
---------------------------------------------------------------------
ASSERTION FAILED: 0
  at file
/build/beignet-_o5G2i/beignet-1.2.0~git201601091733.fc410ee~padoka0/backend/src/backend/gen_encoder.cpp,
function virtual void gbe::GenEncoder::handleDouble(gbe::GenEncoder*,
uint32_t, gbe::GenRegister, gbe::GenRegister, gbe::GenRegister), line 634

Program received signal SIGTRAP, Trace/breakpoint trap.
gbe::onFailedAssertion (msg=<optimized out>, file=<optimized out>,
fn=<optimized out>, line=<optimized out>) at
/build/beignet-_o5G2i/beignet-1.2.0~git201601091733.fc410ee~padoka0/backend/src/sys/assert.cpp:76
76
/build/beignet-_o5G2i/beignet-1.2.0~git201601091733.fc410ee~padoka0/backend/src/sys/assert.cpp:
No such file or directory.
(gdb) bt
#0  gbe::onFailedAssertion (msg=<optimized out>, file=<optimized out>,
fn=<optimized out>, line=<optimized out>) at
/build/beignet-_o5G2i/beignet-1.2.0~git201601091733.fc410ee~padoka0/backend/src/sys/assert.cpp:76
#1  0x00007ffff397a337 in gbe::GenEncoder::ADD (this=<optimized out>,
dest=..., src0=..., src1=...) at
/build/beignet-_o5G2i/beignet-1.2.0~git201601091733.fc410ee~padoka0/backend/src/backend/gen_encoder.cpp:817
#2  0x00007ffff39451d6 in gbe::GenContext::emitBinaryInstruction
(this=0x7524b0, insn=...) at
/build/beignet-_o5G2i/beignet-1.2.0~git201601091733.fc410ee~padoka0/backend/src/backend/gen_context.cpp:768
#3  0x00007ffff39655ac in gbe::GenContext::emitInstructionStream
(this=this at entry=0x7524b0) at
/build/beignet-_o5G2i/beignet-1.2.0~git201601091733.fc410ee~padoka0/backend/src/./backend/gen_insn_selection.hxx:80
#4  0x00007ffff3965c9e in gbe::GenContext::emitCode (this=0x7524b0) at
/build/beignet-_o5G2i/beignet-1.2.0~git201601091733.fc410ee~padoka0/backend/src/backend/gen_context.cpp:3215
#5  0x00007ffff384c2c2 in gbe::Context::compileKernel
(this=this at entry=0x7524b0)
at
/build/beignet-_o5G2i/beignet-1.2.0~git201601091733.fc410ee~padoka0/backend/src/backend/context.cpp:360
#6  0x00007ffff3970cdb in gbe::GenProgram::compileKernel (this=<optimized
out>, unit=..., name="sum", relaxMath=<optimized out>, profiling=<optimized
out>)
    at
/build/beignet-_o5G2i/beignet-1.2.0~git201601091733.fc410ee~padoka0/backend/src/backend/gen_program.cpp:194
#7  0x00007ffff3850246 in gbe::Program::buildFromUnit
(this=this at entry=0xc25960,
unit=..., error="") at
/build/beignet-_o5G2i/beignet-1.2.0~git201601091733.fc410ee~padoka0/backend/src/backend/program.cpp:174
#8  0x00007ffff38508f9 in gbe::Program::buildFromLLVMFile
(this=this at entry=0xc25960,
fileName=fileName at entry=0x0, module=module at entry=0xc0ecb0, error="",
optLevel=optLevel at entry=1)
    at
/build/beignet-_o5G2i/beignet-1.2.0~git201601091733.fc410ee~padoka0/backend/src/backend/program.cpp:152
#9  0x00007ffff3971403 in gbe::genProgramNewFromLLVM (deviceID=2582,
fileName=0x0, module=0xc0ecb0, llvm_ctx=0xc0e5e0, asm_file_name=<optimized
out>, stringSize=1000, err=0xc1ca30 "", errSize=0xc13520, optLevel=1,
options=0x0)
    at
/build/beignet-_o5G2i/beignet-1.2.0~git201601091733.fc410ee~padoka0/backend/src/backend/gen_program.cpp:421
#10 0x00007ffff385c5c3 in gbe::programNewFromSource (deviceID=2582,
source=<optimized out>, stringSize=1000, options=0x0, err=0xc1ca30 "",
errSize=0xc13520)
    at
/build/beignet-_o5G2i/beignet-1.2.0~git201601091733.fc410ee~padoka0/backend/src/backend/program.cpp:896
#11 0x00007ffff6f81270 in cl_program_build (p=p at entry=0xc13490,
options=0x0) at
/build/beignet-_o5G2i/beignet-1.2.0~git201601091733.fc410ee~padoka0/src/cl_program.c:576
#12 0x00007ffff6f784a6 in clBuildProgram (program=0xc13490,
num_devices=<optimized out>, device_list=<optimized out>,
options=<optimized out>, pfn_notify=0x0, user_data=0x0)
    at
/build/beignet-_o5G2i/beignet-1.2.0~git201601091733.fc410ee~padoka0/src/cl_api.c:956
#13 0x000000000040376d in kernel_from_string ()
#14 0x00000000004016f7 in main ()

| Paulo Dias
| paulo.miguel.dias at gmail.com

*Tempora mutantur, nos et mutamur in illis.*
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