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This is what happens when rendering phoenix particles with LIGHT EMISSION and AI light enabled. There is a bug with ai light and large amount of glowing phoenix particles.

c:\jenkins3\workspace\max_plugin_release_windows\src\externalpluginsupport\octphoenix.cpp(616): func<PhoenixFDSupport::ophGetParticleGroupUID_FromName>: , Assertion type WARNING: condition "0" failed, <Failed to find PhoenixFD particle group name <Particles of Time machine01> in octane configuration file!
Please edit octane3dsMaxConfig.cfg..>
CUDA error 719 on device 1: unspecified launch failure
-> kernel execution failed(kernel52)
device 1: failed to update AI light
CUDA error 719 on device 1: unspecified launch failure
-> failed to copy memory to device.
CUDA error 719 on device 1: unspecified launch failure
-> failed to launch kernel(kernel63)
CUDA error 719 on device 1: unspecified launch failure
-> failed to launch kernel(kernel63)
CUDA error 719 on device 1: unspecified launch failure
-> failed to launch kernel(kernel63)
CUDA error 719 on device 1: unspecified launch failure
-> failed to load symbol data to the device(kernel data)
device 1: direct light kernel failed
CUDA error 719 on device 2: unspecified launch failure
-> kernel execution failed(kernel52)
device 2: failed to update AI light
CUDA error 719 on device 2: unspecified launch failure
-> failed to copy memory to device.
CUDA error 719 on device 2: unspecified launch failure
-> failed to launch kernel(kernel63)
CUDA error 719 on device 2: unspecified launch failure
-> failed to launch kernel(kernel63)
CUDA error 719 on device 2: unspecified launch failure
-> failed to launch kernel(kernel63)
CUDA error 719 on device 2: unspecified launch failure
-> failed to load symbol data to the device(kernel data)
device 2: direct light kernel failed
c:\jenkins3\workspace\max_plugin_release_windows\src\externalpluginsupport\octphoenix.cpp(616): func<PhoenixFDSupport::ophGetParticleGroupUID_FromName>: , Assertion type WARNING: condition "0" failed, <Failed to find PhoenixFD particle group name <Particles of Time machine01> in octane configuration file!
Please edit octane3dsMaxConfig.cfg..>
c:\jenkins3\workspace\max_plugin_release_windows\src\externalpluginsupport\octphoenix.cpp(616): func<PhoenixFDSupport::ophGetParticleGroupUID_FromName>: , Assertion type WARNING: condition "0" failed, <Failed to find PhoenixFD particle group name <Particles of Time machine01> in octane configuration file!
Please edit octane3dsMaxConfig.cfg..>
c:\jenkins3\workspace\max_plugin_release_windows\src\externalpluginsupport\octphoenix.cpp(616): func<PhoenixFDSupport::ophGetParticleGroupUID_FromName>: , Assertion type WARNING: condition "0" failed, <Failed to find PhoenixFD particle group name <Particles of Time machine01> in octane configuration file!
Please edit octane3dsMaxConfig.cfg..>
denoiserThread1 : Exited with a error. Restart required
CUDA error 719 on device 1: unspecified launch failure
-> failed to unregister pinned memory
CUDA error 719 on device 1: unspecified launch failure
-> could not get memory info
CUDA error 719 on device 1: unspecified launch failure
-> failed to unregister pinned memory
CUDA error 719 on device 1: unspecified launch failure
-> could not get memory info
CUDA error 719 on device 1: unspecified launch failure
-> failed to destroy CUDA event
CUDA error 719 on device 1: unspecified launch failure
-> failed to destroy CUDA event
CUDA error 719 on device 1: unspecified launch failure
-> failed to deallocate device memory
CUDA error 719 on device 1: unspecified launch failure
-> could not get memory info
CUDA error 719 on device 1: unspecified launch failure
-> failed to deallocate pinned memory
CUDA error 719 on device 1: unspecified launch failure
-> could not get memory info
CUDA error 719 on device 1: unspecified launch failure
-> failed to deallocate device memory
CUDA error 719 on device 1: unspecified launch failure
-> could not get memory info
CUDA error 719 on device 1: unspecified launch failure
-> failed to deallocate device array
CUDA error 719 on device 1: unspecified launch failure
-> could not get memory info
CUDA error 719 on device 1: unspecified launch failure
-> failed to deallocate device memory
CUDA error 719 on device 1: unspecified launch failure
-> could not get memory info
CUDA error 719 on device 1: unspecified launch failure
-> failed to deallocate device memory
CUDA error 719 on device 1: unspecified launch failure

CUDA error 719 on device 2: unspecified launch failure
-> failed to deallocate device memory
CUDA error 719 on device 2: unspecified launch failure
-> could not get memory info
CUDA error 719 on device 2: unspecified launch failure
-> failed to deallocate device memory
CUDA error 719 on device 2: unspecified launch failure
-> could not get memory info
CUDA error 719 on device 2: unspecified launch failure
-> failed to unload module
CUDA error 719 on device 2: unspecified launch failure
-> failed to unload module
c:\jenkins3\workspace\max_plugin_release_windows\src\externalpluginsupport\octphoenix.cpp(616): func<PhoenixFDSupport::ophGetParticleGroupUID_FromName>: , Assertion type WARNING: condition "0" failed, <Failed to find PhoenixFD particle group name <Particles of Time machine01> in octane configuration file!
Please edit octane3dsMaxConfig.cfg..>
c:\jenkins3\workspace\max_plugin_release_windows\src\externalpluginsupport\octphoenix.cpp(616): func<PhoenixFDSupport::ophGetParticleGroupUID_FromName>: , Assertion type WARNING: condition "0" failed, <Failed to find PhoenixFD particle group name <Particles of Time machine01> in octane configuration file!
Please edit octane3dsMaxConfig.cfg..>
c:\jenkins3\workspace\max_plugin_release_windows\src\externalpluginsupport\octphoenix.cpp(616): func<PhoenixFDSupport::ophGetParticleGroupUID_FromName>: , Assertion type WARNING: condition "0" failed, <Failed to find PhoenixFD particle group name <Particles of Time machine01> in octane configuration file!
Please edit octane3dsMaxConfig.cfg..>
CUDA error 719 on device 1: unspecified launch failure
-> failed to bind device to current thread
device 1: failed to initialize context
CUDA error 719 on device 2: unspecified launch failure
-> failed to bind device to current thread
device 2: failed to initialize context
denoiserThread1 : Initialization failed. Restart required
CUDA error 201 on device 1: invalid device context
-> failed to create link
device 1: failed to create OSL compile context:

device 1: failed to compile module 0
CUDA error 201 on device 2: invalid device context
-> failed to create link
device 2: failed to create OSL compile context:

device 2: failed to compile module 0

Hi coilbook,
did you update the Nvidia drivers? NVIDIA 418.81 driver (Feb. 4th) doesn't work with Octane
In this case install 417.71 Nvidia drivers. To get an effective Nvidia drivers installed, please use DDU Nvidia unistaller drivers, the best way to get a clean installation.
http://www.guru3d.com/files-details/dis ... nload.html
Let me hear from you.
Regards
Paride