FFMPEG crash while hardware trans coding

Server Version#: 1.18.9.2571
Player Version#:
i have been getting crashes a few times a day randomly, all the logs show the crash at the same spot while starting a transcode (most transcodes do not crash): [FFMPEG] - Loaded sym: NvEncodeAPIGetMaxSupportedVersion

The dump shows FAILURE_BUCKET_ID: NULL_POINTER_READ_c0000005_nvEncodeAPI.dll!NvEncodeAPIGetMaxSupportedVersion
which looks like it cant read that item. I have updated the Nvidia drivers to 445.75, the crash still occurs. any thoughts on what might be the cause?
Thank you

DUMP:

ADDITIONAL_XML: 1

CONTEXT: (.ecxr)
eax=2d8dd3d0 ebx=05c7d1e8 ecx=00000000 edx=05c7cddc esi=05c7cddc edi=2d8dd3d0
eip=5f558b9a esp=05c7cd80 ebp=05c7cd8c iopl=0 nv up ei pl nz na po nc
cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00010202
nvEncodeAPI!NvEncodeAPIGetMaxSupportedVersion+0x14418:
5f558b9a 8b01 mov eax,dword ptr [ecx] ds:002b:00000000=???
Resetting default scope

EXCEPTION_RECORD: (.exr -1)
ExceptionAddress: 5f558b9a (nvEncodeAPI!NvEncodeAPIGetMaxSupportedVersion+0x00014418)
ExceptionCode: c0000005 (Access violation)
ExceptionFlags: 00000000
NumberParameters: 2
Parameter[0]: 00000000
Parameter[1]: 00000000
Attempt to read from address 00000000

PROCESS_NAME: Plex Media Server.exe

READ_ADDRESS: 00000000

ERROR_CODE: (NTSTATUS) 0xc0000005 - The instruction at 0x%p referenced memory at 0x%p. The memory could not be %s.

EXCEPTION_CODE_STR: c0000005

EXCEPTION_PARAMETER1: 00000000

EXCEPTION_PARAMETER2: 00000000

STACK_TEXT:
WARNING: Stack unwind information not available. Following frames may be wrong.
05c7cd8c 5f56a099 05c7cddc 05c7d1e8 60759000 nvEncodeAPI!NvEncodeAPIGetMaxSupportedVersion+0x14418
05c7cd98 60759000 2d8dd3d0 05c7cddc 00000000 nvEncodeAPI!NvEncodeAPIGetMaxSupportedVersion+0x25917
05c7d1e8 00000000 00000000 6078c3e0 0000001b avcodec_58!av_dct_end+0x106ac

SYMBOL_NAME: nvEncodeAPI!NvEncodeAPIGetMaxSupportedVersion+14418

MODULE_NAME: nvEncodeAPI

IMAGE_NAME: nvEncodeAPI.dll

STACK_COMMAND: ~27s ; .ecxr ; kb

FAILURE_BUCKET_ID: NULL_POINTER_READ_c0000005_nvEncodeAPI.dll!NvEncodeAPIGetMaxSupportedVersion

OS_VERSION: 10.0.18362.1

BUILDLAB_STR: 19h1_release

OSPLATFORM_TYPE: x86

OSNAME: Windows 10

FAILURE_ID_HASH: {5ee7bda5-41ae-b946-263a-9122a4ee5c7e}

LOG:
Mar 28, 2020 18:44:23.114 [2488] INFO - [Chromecast] [MDE] Finished analysis of 1080 (mkv, h264, ac3, 41, high)
Mar 28, 2020 18:44:23.114 [2488] WARN - [Chromecast] [MDE] Invalid profile property; bitrate: 5010 > 2000
Mar 28, 2020 18:44:23.114 [2488] WARN - [Chromecast] [MDE] Invalid profile property; bitrate: 5010 > 2000
Mar 28, 2020 18:44:23.114 [2488] INFO - [Chromecast] [MDE] Starting analysis of 1080 (mkv, h264, ac3, 41, high)
Mar 28, 2020 18:44:23.114 [2488] INFO - [Chromecast] [MDE] Augmented profile: { “directPlay”: { “mp4”: { “mimeType”: “video/mp4; codecs=“avc1.42E01E””, “video”: { “codecs”: { “h264”: { “maxLevel”: 42 } }, “maxWidth”: 1920, “maxHeight”: 1080, “maxBitDepth”: 8, “maxFrameRate”: 60, “maxBitrate”: 2000, “maxVideoResolution”: “720” }, “audio”: { “codecs”: { “aac”: { “maxSamplingRate”: 48000, “maxChannels”: 2 }, “mp3”: {} } } }, “mkv”: { “mimeType”: “video/webm”, “video”: { “codecs”: { “h264”: { “maxLevel”: 42 }, “vp8”: {} }, “maxWidth”: 1920, “maxHeight”: 1080, “maxBitDepth”: 8, “maxFrameRate”: 60, “maxBitrate”: 2000, “maxVideoResolution”: “720” }, “audio”: { “codecs”: { “aac”: { “maxSamplingRate”: 48000, “maxChannels”: 2 }, “mp3”: {}, “vorbis”: {} } } }, “mpegts”: { “protocol”: “hls”, “video”: { “maxWidth”: 1920, “maxHeight”: 1080, “maxBitDepth”: 8, “maxFrameRate”: 60, “maxBitrate”: 2000, “maxVideoResolution”: “720” } } }, “directStream”: { “video”: { “maxWidth”: 1920, “maxHeight”: 1080, “maxBitDepth”: 8, “maxFrameRate”: 60, “codecs”: { “h264”: { “maxLevel”: 42 } }, “maxBitrate”: 2000, “maxVideoResolution”: “720” }, “audio”: { “codecs”: { “aac”: { “maxSamplingRate”: 48000, “maxChannels”: 2 }, “mp3”: {}, “opus”: {}, “vorbis”: {} }, “maxChannels”: 6 } } }
Mar 28, 2020 18:44:23.114 [2488] WARN - [Chromecast] Did not move header “accept” to query string. This can result in an unnecessary OPTIONS preflight request.
Mar 28, 2020 18:44:23.114 [14220] DEBUG - Completed: [68.224.22.172:52033] 200 POST /log (27 live) TLS GZIP 1ms 274 bytes (pipelined: 1)
Mar 28, 2020 18:44:23.134 [14220] DEBUG - Auth: authenticated user 670702 as b1
Mar 28, 2020 18:44:23.134 [17392] DEBUG - Request: [68.224.22.172:52033 (WAN)] GET /playQueues/43679?repeat=0&own=1&includeChapters=1&includeGeolocation=1&includeExternalMedia=1 (27 live) TLS GZIP Signed-in Token (b1)
Mar 28, 2020 18:44:23.134 [17392] DEBUG - PlayQueue: total generated: 1, before cursor: 0, after cursor: 0
Mar 28, 2020 18:44:23.134 [17392] DEBUG - PlayQueue: No need to refresh, active window is operational.
Mar 28, 2020 18:44:23.136 [17392] DEBUG - PlayQueue: Client gox431snwmi75ij2baz4o1k8 requested ownership of play queue 43679, but already had it.
Mar 28, 2020 18:44:23.137 [17392] DEBUG - We’re going to try to auto-select an audio stream for account 670702.
Mar 28, 2020 18:44:23.137 [17392] DEBUG - Selecting best audio stream for part ID 302213 (autoselect: 0 language: en)
Mar 28, 2020 18:44:23.137 [17392] DEBUG - Audio Stream: 8974423, Subtitle Stream: -1
Mar 28, 2020 18:44:23.138 [14216] DEBUG - Completed: [68.224.22.172:52033] 200 GET /playQueues/43679?repeat=0&own=1&includeChapters=1&includeGeolocation=1&includeExternalMedia=1 (27 live) TLS GZIP 3ms 3403 bytes (pipelined: 2)
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded lib: nvcuda.dll
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuInit
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuDeviceGetCount
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuDeviceGet
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuDeviceGetAttribute
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuDeviceGetName
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuDeviceComputeCapability
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuCtxCreate_v2
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuCtxSetLimit
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuCtxPushCurrent_v2
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuCtxPopCurrent_v2
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuCtxDestroy_v2
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuMemAlloc_v2
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuMemAllocPitch_v2
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuMemsetD8Async
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuMemFree_v2
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuMemcpy2D_v2
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuMemcpy2DAsync_v2
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuGetErrorName
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuGetErrorString
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuStreamCreate
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuStreamQuery
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuStreamSynchronize
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuStreamDestroy_v2
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuStreamAddCallback
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuEventCreate
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuEventDestroy_v2
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuEventSynchronize
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuEventQuery
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuEventRecord
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuLaunchKernel
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuModuleLoadData
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuModuleUnload
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuModuleGetFunction
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuTexObjectCreate
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuTexObjectDestroy
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuGLGetDevices_v2
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuGraphicsGLRegisterImage
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuGraphicsUnregisterResource
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuGraphicsMapResources
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuGraphicsUnmapResources
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuGraphicsSubResourceGetMappedArray
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuDeviceGetUuid
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuImportExternalMemory
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuDestroyExternalMemory
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuExternalMemoryGetMappedBuffer
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuExternalMemoryGetMappedMipmappedArray
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuMipmappedArrayGetLevel
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuMipmappedArrayDestroy
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuImportExternalSemaphore
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuDestroyExternalSemaphore
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuSignalExternalSemaphoresAsync
Mar 28, 2020 18:44:23.181 [18600] DEBUG - [FFMPEG] - Loaded sym: cuWaitExternalSemaphoresAsync
Mar 28, 2020 18:44:23.182 [18600] DEBUG - [FFMPEG] - Loaded lib: nvEncodeAPI.dll
Mar 28, 2020 18:44:23.182 [18600] DEBUG - [FFMPEG] - Loaded sym: NvEncodeAPICreateInstance
Mar 28, 2020 18:44:23.182 [18600] DEBUG - [FFMPEG] - Loaded sym: NvEncodeAPIGetMaxSupportedVersion

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