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Various scenes crash on F12 rendering in newer builds of master.
Closed, ResolvedPublic


System Information
Win10 64 bit; 32 gigs RAM; Ryzen 2700X CPU; Nvidia 1060 6 GB GPU.

Blender Version
Broken: Hash 8a3b548cb2b
Worked: Hash 5078b9d2d08 (July 18)

Short description of error
On newer builds, I'm finding it not possible to render some existing scenes in Cycles because they are crashing when the actual rendering starts. The stats will get stuck on calculating the normals and Blender will then close. This is with CPU rendering and the underlying cause seems to be random (but the scene will crash 100 percent of the time). Whether or not denoising is on has no impact.

Exact steps for others to reproduce the error
Download the .blend file and press F12 (this is a production file, use only for testing).




Related Objects

Event Timeline

I can confirm the crash on intel cpu with this one and on windows 8.1. There indeed a lot of known crashers in master. I know 550 bugs is a lot, but at least fixing all the bug reports about crash would make the user experience much better for buildbot users, while making a more stable base for 2.8 I feel.

jan bauer (janb) triaged this task as Confirmed, Medium priority.Sep 2 2018, 10:47 AM
Brecht Van Lommel (brecht) raised the priority of this task from Confirmed, Medium to Needs Triage by Developer.

Please leave triaging reports to developers, confirmed means a developer can reproduce the issue.

ok, sorry, thought it would help.

Bastien Montagne (mont29) triaged this task as Confirmed, Medium priority.

Can confirm the crash here with current master, happens at start of actual tiles rendering (i.e. after whole init processes, tessellation, BVH building etc.). Just set very small rendering size to avoid spending hours waiting in a debug build. ;)

QTCreator gives me following backtrace:

1  ccl::path_radiance_clamp_and_sum                                                                                                                                                             kernel_accumulate.h    593 0x561a6fabd71e 
2  ccl::kernel_write_result                                                                                                                                                                     kernel_passes.h        341 0x561a6fabd71e 
3  ccl::kernel_branched_path_trace                                                                                                                                                              kernel_path_branched.h 613 0x561a6fabd71e 
4  ccl::kernel_cpu_avx2_path_trace                                                                                                                                                              kernel_cpu_impl.h      88  0x561a6fb16633 
5  ccl::CPUDevice::path_trace                                                                                                                                                                   device_cpu.cpp         693 0x561a6b85e397 
6  ccl::CPUDevice::thread_render                                                                                                                                                                device_cpu.cpp         757 0x561a6b86022a 
7  ccl::CPUDevice::thread_run                                                                                                                                                                   device_cpu.cpp         445 0x561a6b85a62d 
8  std::__invoke_impl<void, void (ccl::CPUDevice:: *&)(ccl::DeviceTask *), ccl::CPUDevice *&, ccl::CPUDevice::CPUDeviceTask *&>                                                                 invoke.h               73  0x561a6b8796a5 
9  std::__invoke<void (ccl::CPUDevice:: *&)(ccl::DeviceTask *), ccl::CPUDevice *&, ccl::CPUDevice::CPUDeviceTask *&>                                                                            invoke.h               95  0x561a6b877c43 
10 std::_Bind<void (ccl::CPUDevice:: *(ccl::CPUDevice *, ccl::CPUDevice::CPUDeviceTask *))(ccl::DeviceTask *)>::__call<void, int&&, 0ul, 1ul>(std::tuple<int&&>&&, std::_Index_tuple<0ul, 1ul>) functional             400 0x561a6b875e9b 
11 std::_Bind<void (ccl::CPUDevice:: *(ccl::CPUDevice *, ccl::CPUDevice::CPUDeviceTask *))(ccl::DeviceTask *)>::operator()<int, void>(int&&)                                                    functional             484 0x561a6b8720e6 
12 std::_Function_handler<void (int), std::_Bind<void (ccl::CPUDevice:: *(ccl::CPUDevice *, ccl::CPUDevice::CPUDeviceTask *))(ccl::DeviceTask *)>>::_M_invoke(std::_Any_data const&, int&&)     std_function.h         297 0x561a6b86e88f 
13 std::function<void (int)>::operator()(int) const                                                                                                                                             std_function.h         687 0x561a7419f1c6 
14 ccl::TaskScheduler::thread_run                                                                                                                                                               util_task.cpp          314 0x561a7419c66b 
15 std::__invoke_impl<void, void ( *&)(int), int&>                                                                                                                                              invoke.h               60  0x561a741a4707 
16 std::__invoke<void ( *&)(int), int&>                                                                                                                                                         invoke.h               95  0x561a741a401b 
17 std::_Bind<void ( *(int))(int)>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>)                                                                                                 functional             400 0x561a741a366a 
18 std::_Bind<void ( *(int))(int)>::operator()<, void>()                                                                                                                                        functional             484 0x561a741a25bd 
19 std::_Function_handler<void (), std::_Bind<void ( *(int))(int)>>::_M_invoke(std::_Any_data const&)                                                                                           std_function.h         297 0x561a741a1117 
20 std::function<void ()>::operator()() const                                                                                                                                                   std_function.h         687 0x561a6b2a1bfa 
21 ccl::thread::run                                                                                                                                                                             util_thread.cpp        56  0x561a741a6457 
22 std::__invoke_impl<void *, void * ( *)(void *), ccl::thread *>                                                                                                                               invoke.h               60  0x561a741a7091 
23 std::__invoke<void * ( *)(void *), ccl::thread *>                                                                                                                                            invoke.h               95  0x561a741a6b9d 
24 std::thread::_Invoker<std::tuple<void * ( *)(void *), ccl::thread *>>::_M_invoke<0ul, 1ul>                                                                                                   thread                 244 0x561a741a77f3 
25 std::thread::_Invoker<std::tuple<void * ( *)(void *), ccl::thread *>>::operator()                                                                                                            thread                 253 0x561a741a7765 
26 std::thread::_State_impl<std::thread::_Invoker<std::tuple<void * ( *)(void *), ccl::thread *>>>::_M_run                                                                                      thread                 196 0x561a741a76d4 
27 ??                                                                                                                                                                                                                      0x7f0fd66fbaff 
28 start_thread                                                                                                                                                                                 pthread_create.c       463 0x7f0fdcf32f2a 
29 clone                                                                                                                                                                                        clone.S                95  0x7f0fd6a4eedf
Brecht Van Lommel (brecht) closed this task as Resolved.Jan 3 2019, 5:34 PM

This seems to have gotten fixed at some point, maybe one of the BVH8 bugs.