**System Information**
ARCH AMD Radeon Pro WX-5100
**Blender Version**
Blender 2.79 (sub 6)
build date: 2018-09-13
build time: 04:47:12
build commit date: 2018-09-12
build commit time: 21:42
build hash: 6873f47edea
build platform: Linux
build type: Release
build c flags: -Wall -Wcast-align -Werror=implicit-function-declaration -Werror=return-type -Werror=vla -Wstrict-prototypes -Wmissing-prototypes -Wno-char-subscripts -Wno-unknown-pragmas -Wpointer-arith -Wunused-parameter -Wwrite-strings -Wlogical-op -Wundef -Winit-self -Wnonnull -Wmissing-include-dirs -Wno-div-by-zero -Wtype-limits -Wformat-signedness -Wrestrict -Wuninitialized -Wredundant-decls -Wshadow -Wno-error=unused-but-set-variable -Wimplicit-fallthrough=5 -march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong -fuse-ld=gold -fopenmp -std=gnu99 -msse -pipe -fPIC -funsigned-char -fno-strict-aliasing -msse2
build c++ flags: -Wredundant-decls -Wall -Wno-invalid-offsetof -Wno-sign-compare -Wlogical-op -Winit-self -Wmissing-include-dirs -Wno-div-by-zero -Wtype-limits -Werror=return-type -Werror=implicit-function-declaration -Wno-char-subscripts -Wno-unknown-pragmas -Wpointer-arith -Wunused-parameter -Wwrite-strings -Wundef -Wformat-signedness -Wrestrict -Wuninitialized -Wundef -Wmissing-declarations -Wimplicit-fallthrough=5 -march=x86-64 -mtune=generic -O2 -pipe -fstack-protector-strong -fuse-ld=gold -fopenmp -std=c++11 -msse -pipe -fPIC -funsigned-char -fno-strict-aliasing -msse2
build link flags:
build system: CMake
**Short description of error**
I have started to get the following error as soon as I use anything linked to OpenCL for instance going to the system tab in user preferences produces the following error and blender crashes.
amdgpu_device_initialize: amdgpu_query_info(ACCEL_WORKING) failed (-9)
backtrace
# Blender 2.79 (sub 6), Commit date: 2018-09-12 21:42, Hash 6873f47edea
# backtrace
blender(BLI_system_backtrace+0x33) [0x557a0a787cc3]
blender(+0xab513b) [0x557a09d9013b]
/usr/lib/libc.so.6(+0x37e00) [0x7f42bf5c7e00]
/usr/lib/libdrm_amdgpo.so.1(amdgpu_get_marketing_name+0xc) [0x7f4278067b47]
/usr/lib/libamdocl-orca64.so(+0x8d91d1) [0x7f427beb91d1]
/usr/lib/libamdocl-orca64.so(+0x8d977f) [0x7f427beb977f]
/usr/lib/libamdocl-orca64.so(+0x8dc6f1) [0x7f427bebc6f1]
/usr/lib/libamdocl-orca64.so(+0x8f6678) [0x7f427bed6678]
/usr/lib/libamdocl-orca64.so(+0xc49010) [0x7f427c229010]
/usr/lib/libamdocl-orca64.so(+0x8cc259) [0x7f427beac259]
/usr/lib/libamdocl-orca64.so(+0x8cc2cf) [0x7f427beac2cf]
/usr/lib/libamdocl-orca64.so(+0x8cd057) [0x7f427bead057]
/usr/lib/libamdocl-orca64.so(+0xcf6c1e) [0x7f427c2d6c1e]
/usr/lib/libamdocl-orca64.so(+0xcf814a) [0x7f427c2d814a]
/usr/lib/libamdocl-orca64.so(+0xcf8366) [0x7f427c2d8366]
/usr/lib/libamdocl-orca64.so(+0x8a9f07) [0x7f427be89f07]
/usr/lib/libamdocl-orca64.so(clIcdGetPlatformIDsKHR+0xa2) [0x7f427be6d1c2]
/usr/lib/libOpenCL.so(+0x5d1e) [0x7f4284dddd1e]
/usr/lib/libOpenCL.so(clGetPlatformIDs+0x115) [0x7f4284ddfc15]
blender(_ZN3ccl18device_opencl_infoERNS_6vectorINS_10DeviceInfoENS_16GuardedAllocatorIS1_EEEE+0x43) [0x557a0ac5ff93]
blender(_ZN3ccl6Device17available_devicesEv+0xdc) [0x557a0ac3696c]
blender(+0x185de69) [0x557a0ab38e69]
/usr/lib/libpython3.7m.so.1.0(_PyMethodDef_RawFastCallKeywords+0x148) [0x7f42c4137f68]
/usr/lib/libpython3.7m.so.1.0(_PyCFunction_FastCallKeywords+0x21) [0x7f42c4138201]
/usr/lib/libpython3.7m.so.1.0(_PyEval_EvalFrameDefault+0x525d) [0x7f42c41adf5d]
/usr/lib/libpython3.7m.so.1.0(_PyFunction_FastCallDict+0x11b) [0x7f42c40f108b]
blender(+0xeddc2f) [0x557a0a1b8c2f]
blender(RNA_property_enum_items_ex+0x61) [0x557a0a5f2a21]
blender(RNA_property_enum_items+0x13) [0x557a0a5f2ac3]
blender(RNA_property_enum_items_gettexted+0x1b) [0x557a0a5f2aeb]
blender(uiItemFullR+0xc2e) [0x557a09f9ff9e]
blender(UILayout_prop_call+0x53) [0x557a0a6f0f23]
blender(RNA_function_call+0x12) [0x557a0a5fcb32]
blender(+0xed0aaa) [0x557a0a1abaaa]
/usr/lib/libpython3.7m.so.1.0(_PyObject_FastCallKeywords+0x3ac) [0x7f42c41651ac]
/usr/lib/libpython3.7m.so.1.0(_PyEval_EvalFrameDefault+0x5a48) [0x7f42c41ae748]
/usr/lib/libpython3.7m.so.1.0(_PyFunction_FastCallKeywords+0x10b) [0x7f42c41377db]
/usr/lib/libpython3.7m.so.1.0(_PyEval_EvalFrameDefault+0x4c33) [0x7f42c41ad933]
/usr/lib/libpython3.7m.so.1.0(_PyFunction_FastCallDict+0x11b) [0x7f42c40f108b]
blender(+0xed14a7) [0x557a0a1ac4a7]
blender(+0x1413e0f) [0x557a0a6eee0f]
blender(ED_region_panels+0x377) [0x557a0a08cce7]
blender(ED_region_do_draw+0x915) [0x557a0a08bb65]
blender(wm_draw_update+0x896) [0x557a09d931b6]
blender(WM_main+0x30) [0x557a09d90af0]
blender(main+0x453) [0x557a09d79643]
/usr/lib/libc.so.6(__libc_start_main+0xf3) [0x7f42bf5b4223]
blender(_start+0x2e) [0x557a09d8c7ae]
I've tried downgrading the opencl-amd package (an Arch package that grabs the OpenCL libraries out of AMD's proprietary driver and installs them as a separate package). Tested different versions of blender (including 2.8) and I get the same problem.
Please help, I'm stuck with this one.