Plex Sync Conversions Slow

Plex Media Server Desktops & Laptops
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Server Version#: 1.18.2.2058
Player Version#:

When I’m syncing content that needs to be converted to my iPad it seems like the conversion is SUPER slow. Checking the dashboard, its hardly even using my CPU. It makes sense that these are considered a lower priority, but for a 45m TV show its taking hours to convert (1080p). I don’t think this is a power issue, its a Plex isn’t hardly using my CPU power to convert sync. Is this expected? This makes syncing 10 tv shows take over 24 hours, which is pretty much useless for me at that point.

1 Like
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  1. CPU info? Is the CPU HW transcoding capable
  2. Is HW transcoding enabled?

DEBUG logs ZIP please?

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  1. Intel(R) Core™ i7-3770K CPU @ 3.50GHz. I believe it is.
  2. Yes

Attached.

Plex Media Server Logs_2019-11-25_11-30-35.zip (2.9 MB)

This is what CPU looks like with an active sync conversion

image
image1124×445 107 KB

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Thanks for the logs. I found it immediately.

The Intel iHD driver is failing for your CPU.
The team is working on fixing the Intel-provided driver but it’s not done yet.

The work around, which you’ll need repeat if you update PMS , is:

systemctl stop plexmediaserver
sudo rm  /usr/lib/plexmediaserver/lib/dri/iHD_drv_video.so
systemctl start plexmediaserver

This removes the new Intel driver. PMS reverts to the i965 driver which is the best driver for any CPUs below the -6xxx family.

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Yup that did it! Thank you!

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@ChuckPa is this still an issue?

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Hi I seem to be having the same issue, can you help me, too? It only seems to be a problem when I’m syncing a show to my iPhone with subtitles. P.S. Please pretend that I am a 5 year old when to answer, cause in the tech world I practically am a 5 year old (lol)

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I will write slow because I remember my 5 year old wasn’t a fast reader :smiley: lol

I need to know about the system.

Subtitle burning is the single-slowest operation because it must use the CPU (there is no transcoding hardware assist for subtitles yet in the vaapi libraries).

I would like to see the logs of a single sync, captured, with DEBUG logging ON and VERBOSE logging OFF.

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ok. I think I figured out my problem. My Seagate personal cloud is slowly dying. I am now currently looking to replace it. Any suggestions? :slightly_smiling_face:

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I’m experiencing the same problem: video is not being transcoded ("-codec:0 copy"), CPU is idle, conversion is running extremely slow. Logs captured right after another attempt to sync, VERBOSE off, DEBUG on.

Please let me know if you need any other details.

Plex Media Server Logs_2020-02-17_18-28-47.zip (831.9 KB)

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OK, found the solution: I had “Disable video stream transcoding” enabled, disabling it fixed the problem. This is clearly a bug, because in my case the conversion wasn’t transcoding video in the first place.

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Thanks so much for this! I was pulling my hair out trying to figure out why it was taking over an hour to convert a 720p 40min episode to my iPad with all settings set to maximum original quality. Now, it’s blazing fast again. Must be a bug, for sure! Hope Plex takes note!

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