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    Jellyfin Forum Support Troubleshooting SOLVED: LG tv playback has started to lag/freeze every couple of seconds

     
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    SOLVED: LG tv playback has started to lag/freeze every couple of seconds

    Files that used to work a week ago now lag/freeze when I try to play them on my LG tv
    CybranM
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    Country:Sweden
    #1
    2025-03-02, 07:30 PM (This post was last modified: 2025-03-02, 07:39 PM by CybranM. Edited 1 time in total.)
    Hi! I'm new to the whole self-hosting hobby and I've set up a Jellyfin server on my Windows 10 PC to stream to my LG tv.
    Everything has gone smoothly for the last two months or so until a couple of days ago when I noticed videos started to lag/freeze during playback on my TV.

    I noticed it when I tried to play episode 8 of a show so at first I thought something was wrong with that episode but now when I go back and watch earlier episodes which ran fine just a week ago they start to lag now too.
    When I say lag I mean they play for a couple of seconds (5-10) then freeze for a couple of seconds (1-5) then repeat. This didnt happen earlier and I'm not sure what's changed.

    I've double checked that nothing thats network or harddrive intensive, like steam or backblaze, is running when I try to play these files on the TV.
    I checked with the TVs webbrowser that I have enough bandwidth and it measured 94mbit/s down and 95mbit/s up (with 2.7ms latency if that matters), I run an ethernet cable to the TV to make sure the WIFI signal isnt the issue.

    I've enabled debugging on my server and here is the log on pastebin.
    I started the server, connected with my TV, navigated to "Perfect Planet Episode 1 Volcano" (row 1410), let it play for a bit, confirmed the lag/freezes then turned the client off, then closed the server.

    Jellyfin version: 10.10.3
    Windows: 19045.5487
    LG G4 WebOS: 23.20.44
    PC Hardware:
      GPU: 3080
      CPU: 5950X
      Jellyfin Harddrive: 4tb Western Digital "WD4005FZBX"

    If there is anything else I can provide to to help?
    Go to solution
    TheDreadPirate
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    #2
    2025-03-03, 01:05 PM
    It is direct playing the video, so not much to work with in the logs. What codecs does the video use? Can you go to the movie listing in the Jellyfin UI in a browser, click on the "..." context menu, click "Media Info", then click the copy icon at the top and paste it here.
    Jellyfin 10.10.7 (Docker)
    Ubuntu 24.04.2 LTS w/HWE
    Intel i3 12100
    Intel Arc A380
    OS drive - SK Hynix P41 1TB
    Storage
        4x WD Red Pro 6TB CMR in RAIDZ1
    [Image: GitHub%20Sponsors-grey?logo=github]
    CybranM
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    Posts: 5
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    Joined: 2025 Mar
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    Country:Sweden
    #3
    2025-03-03, 01:14 PM
    Thanks for the reply!
    Here is the Media Info for the episode: 

    Code:
    Perfect Planet - Episode 1 - Volcano
    Container: mkv
    Path: F:\Shows\Perfect Planet\Perfect Planet - Episode 1 - Volcano.mkv
    Size: 25382 MB

    Audio
    Title: Surround 5.1 - English - DTS-HD MA - Default
    Language: eng
    Codec: DTS
    AVC: No
    Profile: DTS-HD MA
    Layout: 5.1
    Channels: 6 ch
    Bitrate: 2108 kbps
    Sample rate: 48000 Hz
    Bit depth: 16 bit
    Default: Yes
    Forced: No
    External: No

    Video
    Title: 4K HEVC HDR
    Codec: HEVC
    AVC: No
    Profile: Main 10
    Level: 153
    Resolution: 3840x2160
    Aspect ratio: 16:9
    Anamorphic: No
    Interlaced: No
    Framerate: 23.976025
    Bitrate: 66125 kbps
    Bit depth: 10 bit
    Video range: HDR
    Video range type: HDR10
    Colour space: bt2020nc
    Colour transfer: smpte2084
    Colour primaries: bt2020
    Pixel format: yuv420p10le
    Ref frames: 1

    Audio
    Title: Surround 5.1 - English - DTS
    Language: eng
    Codec: DTS
    AVC: No
    Profile: DTS
    Layout: 5.1
    Channels: 6 ch
    Bitrate: 1536 kbps
    Sample rate: 48000 Hz
    Default: No
    Forced: No
    External: No

    Audio
    Title: Surround 7.1 - English - Dolby TrueHD + Dolby Atmos
    Language: eng
    Codec: TRUEHD
    AVC: No
    Profile: Dolby TrueHD + Dolby Atmos
    Layout: 7.1
    Channels: 8 ch
    Bitrate: 4450 kbps
    Sample rate: 48000 Hz
    Bit depth: 24 bit
    Default: No
    Forced: No
    External: No

    Audio
    Title: Surround 5.1 - English - Dolby Digital
    Language: eng
    Codec: AC3
    AVC: No
    Layout: 5.1
    Channels: 6 ch
    Bitrate: 640 kbps
    Sample rate: 48000 Hz
    Default: No
    Forced: No
    External: No

    Subtitle
    Title: English - PGSSUB
    Language: eng
    Codec: PGSSUB
    AVC: No
    Resolution: 1920x1080
    Default: No
    Forced: No
    External: No

    When I play on my TV I use "Surround 7.1 - English - Dolby TrueHD + Dolby Atmos" for audio without any subtitles
    TheDreadPirate
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    #4
    2025-03-03, 05:43 PM
    Back up C:\ProgramData\Jellyfin\Server and then can you upgraded your server to 10.10.6? I want to ensure we aren't encountering a bug we've already fixed.
    Jellyfin 10.10.7 (Docker)
    Ubuntu 24.04.2 LTS w/HWE
    Intel i3 12100
    Intel Arc A380
    OS drive - SK Hynix P41 1TB
    Storage
        4x WD Red Pro 6TB CMR in RAIDZ1
    [Image: GitHub%20Sponsors-grey?logo=github]
    CybranM
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    #5
    2025-03-03, 07:32 PM
    I made a backup .zip and upgraded the server to 10.10.6 but the issue persists.
    Here is the new pastebin with logs, same as last time I started the server on my PC, started the app on the TV, navigated to the show and episode, played it for a bit to make sure the issue was still present then closed the client and then the server.
    TheDreadPirate
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    #6
    2025-03-04, 02:29 PM
    To clarify something, is the TV freezing/unresponsive? Or is it buffering? Like the network speeds for the TV aren't fast enough?
    Jellyfin 10.10.7 (Docker)
    Ubuntu 24.04.2 LTS w/HWE
    Intel i3 12100
    Intel Arc A380
    OS drive - SK Hynix P41 1TB
    Storage
        4x WD Red Pro 6TB CMR in RAIDZ1
    [Image: GitHub%20Sponsors-grey?logo=github]
    CybranM
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    Junior Member

    Posts: 5
    Threads: 1
    Joined: 2025 Mar
    Reputation: 0
    Country:Sweden
    #7
    2025-03-04, 03:27 PM
    Hmm, I was pretty confident it wouldn't be a bandwidth issue as I have an ethernet cable to the TV but I did a sanity check and went with wifi to see if there was a difference in speed and there was.
    With ethernet I had ~95mbit/s up/down and with wifi it was >200mbit/s up/down and I didn't notice any freezes/lag from my short test (which had multiple freezes when I tested with ethernet).
    The episode bitrate is only ~67mbit/s plus however much audio takes but it seems like the bandwidth is indeed the issue.

    I thought for sure the cable would be faster but that was apparently not the case, will look into if its solvable some other way as I prefer to have a cable instead of relying on wifi.

    It seems this issue is solved, I'll write again if it starts to happen when I'm using wifi
    TheDreadPirate
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    #8
    2025-03-04, 06:25 PM
    TV ethernet controllers are notoriously bad. It is a check box they must check and they use the cheapest controller possible. The peak bandwidth is not a good indicator of the sustained throughput that video streaming requires.
    Jellyfin 10.10.7 (Docker)
    Ubuntu 24.04.2 LTS w/HWE
    Intel i3 12100
    Intel Arc A380
    OS drive - SK Hynix P41 1TB
    Storage
        4x WD Red Pro 6TB CMR in RAIDZ1
    [Image: GitHub%20Sponsors-grey?logo=github]
    CybranM
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    Junior Member

    Posts: 5
    Threads: 1
    Joined: 2025 Mar
    Reputation: 0
    Country:Sweden
    #9
    2025-03-05, 12:45 PM
    Thank you for taking the time, always nice to be able to get help from someone with experience!
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