Cycles: Improve CUDA and OptiX error reporting in the viewport

This patch makes the infamous "Cancel" error in the viewport a thing of the past. Instead it
now shows a more useful error message and streamlines the error handling process in CUDA.

Reviewed By: brecht

Differential Revision: https://developer.blender.org/D8008
This commit is contained in:
Patrick Mours 2020-06-12 16:42:49 +02:00
parent 5dca72dfc9
commit b586f801fc
4 changed files with 65 additions and 85 deletions

View File

@ -100,11 +100,7 @@ class CUDADevice : public Device {
virtual BVHLayoutMask get_bvh_layout_mask() const;
void cuda_error_documentation();
bool cuda_error_(CUresult result, const string &stmt);
void cuda_error_message(const string &message);
void set_error(const string &error) override;
CUDADevice(DeviceInfo &info, Stats &stats, Profiler &profiler, bool background_);

View File

@ -135,8 +135,10 @@ BVHLayoutMask CUDADevice::get_bvh_layout_mask() const
return BVH_LAYOUT_BVH2;
}
void CUDADevice::cuda_error_documentation()
void CUDADevice::set_error(const string &error)
{
Device::set_error(error);
if (first_error) {
fprintf(stderr, "\nRefer to the Cycles GPU rendering documentation for possible solutions:\n");
fprintf(stderr,
@ -148,42 +150,13 @@ void CUDADevice::cuda_error_documentation()
# define cuda_assert(stmt) \
{ \
CUresult result = stmt; \
\
if (result != CUDA_SUCCESS) { \
string message = string_printf( \
"CUDA error: %s in %s, line %d", cuewErrorString(result), #stmt, __LINE__); \
if (error_msg == "") \
error_msg = message; \
fprintf(stderr, "%s\n", message.c_str()); \
/*cuda_abort();*/ \
cuda_error_documentation(); \
const char *name = cuewErrorString(result); \
set_error(string_printf("%s in %s (device_cuda_impl.cpp:%d)", name, #stmt, __LINE__)); \
} \
} \
(void)0
bool CUDADevice::cuda_error_(CUresult result, const string &stmt)
{
if (result == CUDA_SUCCESS)
return false;
string message = string_printf("CUDA error at %s: %s", stmt.c_str(), cuewErrorString(result));
if (error_msg == "")
error_msg = message;
fprintf(stderr, "%s\n", message.c_str());
cuda_error_documentation();
return true;
}
# define cuda_error(stmt) cuda_error_(stmt, # stmt)
void CUDADevice::cuda_error_message(const string &message)
{
if (error_msg == "")
error_msg = message;
fprintf(stderr, "%s\n", message.c_str());
cuda_error_documentation();
}
CUDADevice::CUDADevice(DeviceInfo &info, Stats &stats, Profiler &profiler, bool background_)
: Device(info, stats, profiler, background_), texture_info(this, "__texture_info", MEM_GLOBAL)
{
@ -212,12 +185,19 @@ CUDADevice::CUDADevice(DeviceInfo &info, Stats &stats, Profiler &profiler, bool
functions.loaded = false;
/* Intialize CUDA. */
if (cuda_error(cuInit(0)))
CUresult result = cuInit(0);
if (result != CUDA_SUCCESS) {
set_error(string_printf("Failed to initialize CUDA runtime (%s)", cuewErrorString(result)));
return;
}
/* Setup device and context. */
if (cuda_error(cuDeviceGet(&cuDevice, cuDevId)))
result = cuDeviceGet(&cuDevice, cuDevId);
if (result != CUDA_SUCCESS) {
set_error(string_printf("Failed to get CUDA device handle from ordinal (%s)",
cuewErrorString(result)));
return;
}
/* CU_CTX_MAP_HOST for mapping host memory when out of device memory.
* CU_CTX_LMEM_RESIZE_TO_MAX for reserving local memory ahead of render,
@ -235,8 +215,6 @@ CUDADevice::CUDADevice(DeviceInfo &info, Stats &stats, Profiler &profiler, bool
}
/* Create context. */
CUresult result;
if (background) {
result = cuCtxCreate(&cuContext, ctx_flags, cuDevice);
}
@ -249,8 +227,10 @@ CUDADevice::CUDADevice(DeviceInfo &info, Stats &stats, Profiler &profiler, bool
}
}
if (cuda_error_(result, "cuCtxCreate"))
if (result != CUDA_SUCCESS) {
set_error(string_printf("Failed to create CUDA context (%s)", cuewErrorString(result)));
return;
}
int major, minor;
cuDeviceGetAttribute(&major, CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR, cuDevId);
@ -280,10 +260,8 @@ bool CUDADevice::support_device(const DeviceRequestedFeatures & /*requested_feat
/* We only support sm_30 and above */
if (major < 3) {
cuda_error_message(
string_printf("CUDA device supported only with compute capability 3.0 or up, found %d.%d.",
major,
minor));
set_error(string_printf(
"CUDA backend requires compute capability 3.0 or up, but found %d.%d.", major, minor));
return false;
}
@ -319,13 +297,19 @@ bool CUDADevice::check_peer_access(Device *peer_device)
// Enable peer access in both directions
{
const CUDAContextScope scope(this);
if (cuda_error(cuCtxEnablePeerAccess(peer_device_cuda->cuContext, 0))) {
CUresult result = cuCtxEnablePeerAccess(peer_device_cuda->cuContext, 0);
if (result != CUDA_SUCCESS) {
set_error(string_printf("Failed to enable peer access on CUDA context (%s)",
cuewErrorString(result)));
return false;
}
}
{
const CUDAContextScope scope(peer_device_cuda);
if (cuda_error(cuCtxEnablePeerAccess(cuContext, 0))) {
CUresult result = cuCtxEnablePeerAccess(cuContext, 0);
if (result != CUDA_SUCCESS) {
set_error(string_printf("Failed to enable peer access on CUDA context (%s)",
cuewErrorString(result)));
return false;
}
}
@ -432,14 +416,14 @@ string CUDADevice::compile_kernel(const DeviceRequestedFeatures &requested_featu
# ifdef _WIN32
if (!use_adaptive_compilation() && have_precompiled_kernels()) {
if (major < 3) {
cuda_error_message(
string_printf("CUDA device requires compute capability 3.0 or up, "
"found %d.%d. Your GPU is not supported.",
set_error(
string_printf("CUDA backend requires compute capability 3.0 or up, but found %d.%d. "
"Your GPU is not supported.",
major,
minor));
}
else {
cuda_error_message(
set_error(
string_printf("CUDA binary kernel for this graphics card compute "
"capability (%d.%d) not found.",
major,
@ -452,7 +436,7 @@ string CUDADevice::compile_kernel(const DeviceRequestedFeatures &requested_featu
/* Compile. */
const char *const nvcc = cuewCompilerPath();
if (nvcc == NULL) {
cuda_error_message(
set_error(
"CUDA nvcc compiler not found. "
"Install CUDA toolkit in default location.");
return string();
@ -504,7 +488,7 @@ string CUDADevice::compile_kernel(const DeviceRequestedFeatures &requested_featu
command = "call " + command;
# endif
if (system(command.c_str()) != 0) {
cuda_error_message(
set_error(
"Failed to execute compilation command, "
"see console for details.");
return string();
@ -512,7 +496,7 @@ string CUDADevice::compile_kernel(const DeviceRequestedFeatures &requested_featu
/* Verify if compilation succeeded */
if (!path_exists(cubin)) {
cuda_error_message(
set_error(
"CUDA kernel compilation failed, "
"see console for details.");
return string();
@ -565,16 +549,19 @@ bool CUDADevice::load_kernels(const DeviceRequestedFeatures &requested_features)
else
result = CUDA_ERROR_FILE_NOT_FOUND;
if (cuda_error_(result, "cuModuleLoad"))
cuda_error_message(string_printf("Failed loading CUDA kernel %s.", cubin.c_str()));
if (result != CUDA_SUCCESS)
set_error(string_printf(
"Failed to load CUDA kernel from '%s' (%s)", cubin.c_str(), cuewErrorString(result)));
if (path_read_text(filter_cubin, cubin_data))
result = cuModuleLoadData(&cuFilterModule, cubin_data.c_str());
else
result = CUDA_ERROR_FILE_NOT_FOUND;
if (cuda_error_(result, "cuModuleLoad"))
cuda_error_message(string_printf("Failed loading CUDA kernel %s.", filter_cubin.c_str()));
if (result != CUDA_SUCCESS)
set_error(string_printf("Failed to load CUDA kernel from '%s' (%s)",
filter_cubin.c_str(),
cuewErrorString(result)));
if (result == CUDA_SUCCESS) {
reserve_local_memory(requested_features);
@ -870,7 +857,7 @@ CUDADevice::CUDAMem *CUDADevice::generic_alloc(device_memory &mem, size_t pitch_
if (mem_alloc_result != CUDA_SUCCESS) {
status = " failed, out of device and host memory";
cuda_assert(mem_alloc_result);
set_error("System is out of GPU and shared host memory");
}
if (mem.name) {
@ -2458,14 +2445,10 @@ void CUDADevice::task_cancel()
# define cuda_assert(stmt) \
{ \
CUresult result = stmt; \
\
if (result != CUDA_SUCCESS) { \
string message = string_printf("CUDA error: %s in %s", cuewErrorString(result), #stmt); \
if (device->error_msg == "") \
device->error_msg = message; \
fprintf(stderr, "%s\n", message.c_str()); \
/*cuda_abort();*/ \
device->cuda_error_documentation(); \
const char *name = cuewErrorString(result); \
device->set_error( \
string_printf("%s in %s (device_cuda_impl.cpp:%d)", name, #stmt, __LINE__)); \
} \
} \
(void)0
@ -2647,14 +2630,15 @@ bool CUDASplitKernel::enqueue_split_kernel_data_init(const KernelDimensions &dim
SplitKernelFunction *CUDASplitKernel::get_split_kernel_function(const string &kernel_name,
const DeviceRequestedFeatures &)
{
CUDAContextScope scope(device);
CUfunction func;
const CUDAContextScope scope(device);
cuda_assert(
cuModuleGetFunction(&func, device->cuModule, (string("kernel_cuda_") + kernel_name).data()));
if (device->have_error()) {
device->cuda_error_message(
string_printf("kernel \"kernel_cuda_%s\" not found in module", kernel_name.data()));
CUfunction func;
const CUresult result = cuModuleGetFunction(
&func, device->cuModule, (string("kernel_cuda_") + kernel_name).data());
if (result != CUDA_SUCCESS) {
device->set_error(string_printf("Could not find kernel \"kernel_cuda_%s\" in module (%s)",
kernel_name.data(),
cuewErrorString(result)));
return NULL;
}

View File

@ -70,7 +70,7 @@ struct KernelParams {
if (res != CUDA_SUCCESS) { \
const char *name; \
cuGetErrorName(res, &name); \
set_error(string_printf("OptiX CUDA error %s in %s, line %d", name, #stmt, __LINE__)); \
set_error(string_printf("%s in %s (device_optix.cpp:%d)", name, #stmt, __LINE__)); \
return; \
} \
} \
@ -81,7 +81,7 @@ struct KernelParams {
if (res != CUDA_SUCCESS) { \
const char *name; \
cuGetErrorName(res, &name); \
set_error(string_printf("OptiX CUDA error %s in %s, line %d", name, #stmt, __LINE__)); \
set_error(string_printf("%s in %s (device_optix.cpp:%d)", name, #stmt, __LINE__)); \
return false; \
} \
} \
@ -92,7 +92,7 @@ struct KernelParams {
enum OptixResult res = stmt; \
if (res != OPTIX_SUCCESS) { \
const char *name = optixGetErrorName(res); \
set_error(string_printf("OptiX error %s in %s, line %d", name, #stmt, __LINE__)); \
set_error(string_printf("%s in %s (device_optix.cpp:%d)", name, #stmt, __LINE__)); \
return; \
} \
} \
@ -102,7 +102,7 @@ struct KernelParams {
enum OptixResult res = stmt; \
if (res != OPTIX_SUCCESS) { \
const char *name = optixGetErrorName(res); \
set_error(string_printf("OptiX error %s in %s, line %d", name, #stmt, __LINE__)); \
set_error(string_printf("%s in %s (device_optix.cpp:%d)", name, #stmt, __LINE__)); \
return false; \
} \
} \
@ -322,12 +322,12 @@ class OptiXDevice : public CUDADevice {
// Disable baking for now, since its kernel is not well-suited for inlining and is very slow
if (requested_features.use_baking) {
set_error("OptiX implementation does not support baking yet");
set_error("OptiX backend does not support baking yet");
return false;
}
// Disable shader raytracing support for now, since continuation callables are slow
if (requested_features.use_shader_raytrace) {
set_error("OptiX implementation does not support shader raytracing yet");
set_error("OptiX backend does not support 'Ambient Occlusion' and 'Bevel' shader nodes yet");
return false;
}
@ -386,14 +386,14 @@ class OptiXDevice : public CUDADevice {
if (use_adaptive_compilation() || path_file_size(ptx_filename) == -1) {
if (!getenv("OPTIX_ROOT_DIR")) {
set_error(
"OPTIX_ROOT_DIR environment variable not set, must be set with the path to the "
"Optix SDK in order to compile the Optix kernel on demand.");
"Missing OPTIX_ROOT_DIR environment variable (which must be set with the path to "
"the Optix SDK to be able to compile Optix kernels on demand).");
return false;
}
ptx_filename = compile_kernel(requested_features, "kernel_optix", "optix", true);
}
if (ptx_filename.empty() || !path_read_text(ptx_filename, ptx_data)) {
set_error("Failed loading OptiX kernel " + ptx_filename + ".");
set_error("Failed to load OptiX kernel from '" + ptx_filename + "'");
return false;
}

View File

@ -833,7 +833,7 @@ bool Session::load_kernels(bool lock_scene)
message = "Failed loading render kernel, see console for errors";
progress.set_error(message);
progress.set_status("Error", message);
progress.set_status(message);
progress.set_update();
return false;
}
@ -872,7 +872,7 @@ void Session::run()
/* progress update */
if (progress.get_cancel())
progress.set_status("Cancel", progress.get_cancel_message());
progress.set_status(progress.get_cancel_message());
else
progress.set_update();
}