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Maniphest T74883

Blender crashes on pressing f12 with 2 or more GPUs
Needs Developer to Reproduce, NormalPublicBUG
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Description

System Information
Operating system: Windows-10-10.0.17763-SP0 64 Bits
Graphics card: GeForce GTX 1080 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 442.19

Blender Version
Broken: version: 2.82 (sub 7), branch: master, commit date: 2020-02-12 16:20, hash: rB77d23b0bd76f
Worked: (optional)

Short description of error

The problem occurs if you use 2 or more GPUs.
If you use cycles for rendering (in GPU mode), then when the viewport rendered mode is on, pressing f12 causes the program to crash.

Exact steps for others to reproduce the error

Event Timeline

Ankit (ankitm) renamed this task from Blender falls when you press f12 to Blender crashes on pressing f12.Wed, Mar 18, 4:08 PM
Ankit (ankitm) updated the task description. (Show Details)
Ankit (ankitm) renamed this task from Blender crashes on pressing f12 to Blender crashes on pressing f12 with 2 or more GPUs.Wed, Mar 18, 4:17 PM
Ankit (ankitm) added a subscriber: Ankit (ankitm).Thu, Mar 19, 11:37 AM

Please run blender_debug_log.cmd (in blender directory ) and upload the two files it mentions

Ankit (ankitm) changed the task status from Needs Triage to Needs Information from User.Thu, Mar 19, 11:38 AM
Svyatoslav (Granduca) added a comment.Thu, Mar 19, 11:42 AM

blender_system_info.txt27 KBDownload

blender_debug_output.txt131 KBDownload

Ankit (ankitm) changed the task status from Needs Information from User to Confirmed.Thu, Mar 19, 11:50 AM
Ankit (ankitm) added projects: Cycles, GPU / Viewport.

seems problematic

CUDA error: Launch failed in cuGraphicsResourceGetMappedPointer(&buffer, &bytes, pmem.cuPBOresource), line 2000

Refer to the Cycles GPU rendering documentation for possible solutions:
https://docs.blender.org/manual/en/latest/render/cycles/gpu_rendering.html

CUDA error: Launch failed in cuModuleGetFunction(&cuFilmConvert, cuModule, "kernel_cuda_convert_to_half_float"), line 1865
Brecht Van Lommel (brecht) changed the task status from Confirmed to Needs Developer to Reproduce.Fri, Mar 20, 2:36 PM
Brecht Van Lommel (brecht) changed the subtype of this task from "Report" to "Bug".