While watching a TV Episode, Emby randomly jumps ahead

[Master2k 2]

My current set-up

Emby Server 4.9.3.0 running on a Raspberry Pi 5 (16GB) (Debian Arm64 (aarch64))

8 TB Samsung NVME Drive connected to the Raspberry Pi via GeeekPi P33 M.2 NVME M-Key PoE+ Hat

Emby is installed on the SD Card and the 8TB is formated using EXT4 GPT partition

OS: 

PRETTY_NAME="Debian GNU/Linux 13 (trixie)"
NAME="Debian GNU/Linux"
VERSION_ID="13"
VERSION="13 (trixie)"
VERSION_CODENAME=trixie
DEBIAN_VERSION_FULL=13.3
ID=debian
HOME_URL="https://www.debian.org/"
SUPPORT_URL="https://www.debian.org/support"
BUG_REPORT_URL="https://bugs.debian.org/"

Issue: While watching TV Shows (have not watched one of my movies yet) Emby randomly seeks forward quite far in the EP. and I have to scroll back to the time where I was actually watching.

Other item to note - while again watch a TV Show, I have noticed that that CPU Cooler fan on the PI has been going hard and when running a TOP - I can see that 

While Episode is paused

top - 21:39:51 up 1 day, 27 min,  1 user,  load average: 0.00, 0.02, 0.06
Tasks: 167 total,   2 running, 165 sleeping,   0 stopped,   0 zombie
%Cpu(s):  0.1 us,  0.1 sy,  0.0 ni, 99.8 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
MiB Mem :  16218.9 total,   4291.2 free,    690.0 used,  11459.5 buff/cache
MiB Swap:   2048.0 total,   2048.0 free,      0.0 used.  15528.9 avail Mem

    PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM     TIME+ COMMAND
   1112 emby      20   0  261.7g 461744 194784 S   0.7   2.8  13:39.15 EmbyServer

While Episode is playing, I have noticed extremely high usage on the CPU with ffmpeg

top - 21:41:24 up 1 day, 29 min,  1 user,  load average: 0.15, 0.04, 0.06
Tasks: 170 total,   2 running, 168 sleeping,   0 stopped,   0 zombie
%Cpu(s): 25.0 us,  0.3 sy,  0.0 ni, 74.7 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
MiB Mem :  16218.9 total,   4199.9 free,    706.5 used,  11534.4 buff/cache
MiB Swap:   2048.0 total,   2048.0 free,      0.0 used.  15512.4 avail Mem

    PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM     TIME+ COMMAND
   5238 emby      20   0  155168  19808  12560 R  99.7   0.1   0:09.51 ffmpeg
   1112 emby      20   0  261.7g 461904 194784 S   1.7   2.8  13:40.37 EmbyServer

Any suggestions?

NB: My previous Emby server (4.9.1.90) was running on a Pi 4 with 8 GB Ram and 4TB Sata SSD and I didn't encounter these issues

OS was Raspberry Pi Bookworm (Debian Arm64 (aarch64))

Please see attached logs

embyserver.txt ffmpeg-remux-79314839-a9f7-42b0-8962-8c48f9df8147_1.txt

Edited January 13 by Master2k
Added further information to Previous Emby Server version

[Luke 42077]

Hi, are you able to try with Chrome and see how that compares?

[Master2k 2]

11 minutes ago, Luke said:

Hi, are you able to try with Chrome and see how that compares?

I have switched over to Chrome and have not yet seen the jumping ahead, however I have noticed ffmpeg is still using a high level of CPU

top - 22:16:22 up 1 day,  1:04,  1 user,  load average: 1.53, 1.22, 0.70
Tasks: 170 total,   2 running, 168 sleeping,   0 stopped,   0 zombie
%Cpu(s): 29.0 us,  2.2 sy,  0.0 ni, 62.0 id,  6.9 wa,  0.0 hi,  0.0 si,  0.0 st
MiB Mem :  16218.9 total,   2613.8 free,    765.7 used,  13061.9 buff/cache
MiB Swap:   2048.0 total,   2048.0 free,      0.0 used.  15453.2 avail Mem

    PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM     TIME+ COMMAND
   5431 emby      20   0  154576  19584  12736 R  98.7   0.1   0:25.77 ffmpeg
   1112 emby      20   0  261.7g 472192 195440 S  26.2   2.8  16:37.11 EmbyServer
    191 root      20   0       0      0      0 S   0.7   0.0   0:06.73 jbd2/mmcblk0p2-8
   5328 root       0 -20       0      0      0 I   0.7   0.0   0:02.61 kworker/0:2H-mmc_complete
      1 root      20   0   25568  15008  10128 S   0.0   0.1   0:04.05 systemd
      2 root      20   0       0      0      0 S   0.0   0.0   0:00.04 kthreadd
      3 root      20   0       0      0      0 S   0.0   0.0   0:00.00 pool_workqueue_release
      4 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 kworker/R-kvfree_rcu_reclaim

 

I will continue using Chrome and revert on the issue of the "jumping ahead"

[Luke 42077]

Can you please attach a log example from chrome? Thanks.

[Master2k 2]

1 hour ago, Luke said:

Can you please attach a log example from chrome? Thanks.

Hi Luke

Please find enclosed a log using Chrome.

- The last episode I watched using Chrome didn't appear to have any issues.

I have also noticed that sometimes when playing an eplisode via Chrome, that sometimes the Audio is not in sync with the video.

 

Hope this helps.

embyserver.txt

[Luke 42077]

OK we are looking into this. Thanks.