Latest post Mon, Jan 21 2019 8:48 PM by Luc Desjardins. 0 replies.
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  • Mon, Jan 21 2019 8:48 PM

    A solution to the infamous "NEMFileWriter has detected upstream pipe stall" error

    Hello fellow editors,


    This past weekend I've been trying to make a timelapse from three huge AVCHD spanned files.


    I've been plagued numerous time by the "NEMFileWriter has detected upstream pipe stall" error. whether I was trying to transcode AMA, import or render the timewrap effect.


    First task was to convert these huge files to DNxHD 36. I couldn't do it with Avid, and couldn't do it with Sorenson Squeeze 8 neither (Anyway, it would have taken at least 5 times longer).


    So I searched the forums for solutions. None of these worked:


    - Playing a HD youtube video at the same time

    - Stitch the spanned files into one

    - Lower the priority of Media Composer in the task manager

    - Only allow Media Composer to run on one core through the task manager

    - Try the whole process on a SSD (It went way faster, but crashed all the same. My Samsong EVO is set for high performance in Samsung Magician).


    After countless unsucessful attemps, ultimately, the only thing that work for me is:


    Check the "Run in the background" box for transcodes (from AMA) and Timewrap renders. I then open the background queue to monitor, and left the priority as normal. And everything finally worked. (I didn't even have to stitch the spanned files together, AMA took care of everything).


    Hope this helps, even though I think this feature is only available from version 7 onward.


    Here are my system specs:


    Media Composer 8.3.1

    System Information
         Time of this report: 1/21/2019, 15:34:17
         Operating System: Windows 10 Pro 64-bit (10.0, Build 17134) (17134.rs4_release.180410-1804)
                     Language: English (Regional Setting: English)
    System Manufacturer: Hewlett-Packard
               System Model: HP Z420 Workstation
                           BIOS: Default System BIOS (type: BIOS)
                     Processor: Intel(R) Xeon(R) CPU E5-2687W 0 @ 3.10GHz (16 CPUs), ~3.1GHz
                       Memory: 32768MB RAM
    Available OS Memory: 32692MB RAM

    Display Devices
    Operating System: Windows 10 Pro, 64-bit
    DirectX version: 11.0
    GPU processor:  Quadro 4000
    Driver version:  340.84
    Direct3D API version: 11.1
    Direct3D feature level: 11_0
    CUDA Cores:  256
    Core clock:  475 MHz
    Shader clock:  950 MHz
    Memory data rate: 2808 MHz
    Memory interface: 256-bit
    Memory bandwidth: 89.86 GB/s
    Total available graphics memory: 18393 MB
    Dedicated video memory: 2048 MB GDDR5
    System video memory: 0 MB
    Shared system memory: 16345 MB
    Video BIOS version: 70.00.5C.00.02
    IRQ:   Not used
    Bus:   PCI Express x16 Gen2
    Device Id:  10DE 06DD 078010DE
    Part Number:  1031 0500

    Sound Devices
                Description: Multichannel (M-Audio FW Audiophile)
     Default Sound Playback: Yes
     Default Voice Playback: No
                Hardware ID: 1394\M-Audio&FW_Audiophile
            Manufacturer ID: 239
                 Product ID: 65535
                       Type: WDM
                Driver Name: mafw.sys
             Driver Version: 5.10.0000.5058 (English)
          Driver Attributes: Final Retail

    Disk & DVD/CD-ROM Drives
          Drive: C:
     Free Space: 104.5 GB
    Total Space: 219.2 GB
    File System: NTFS
          Model: Samsung SSD 850 PRO 256GB

          Drive: D (This is the disk I used for my transcodes and renders):
     Free Space: 91.3 GB
    Total Space: 429.1 GB
    File System: NTFS
          Model: Samsung SSD 850 EVO 500GB

          Drive: F:
     Free Space: 806.3 GB
    Total Space: 3815.3 GB
    File System: NTFS
          Model: ST4000VN000-1H4168



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