Thank you Chuck.
I hope this get fixed soon so we can enjoy all the new features. Thanks for the feedback.
Same problem here on windows. 25% cpu usage (1 core) all the time.
Plex! Please fix it.
Same problem Ubuntu server…all 12 cores max out 100%. downgraded to 1.14 and fixed. Is there a work in progress?
Thanks
same here, windows 10, not using docker,
all cores on cpu max 100%
plex version 1.15.6
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I’ve always had them disabled and I still have the issues.
2 months later still no progress, amazing customer experience 
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Same here… never had DLNA or UPnP enabled. High CPU usage on every 1.5.x version along with loads of other issues… staying with 1.4 
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Checking back in a month later and no update. Really disappointed in Plex’s support now days. This is a crippling bug, I shouldn’t need to use a server build from 5 months ago to fix this. This isn’t a docker issue, this is a PMS issue.
Only occurs when SRT subtitles are being converted to ASS subtitles for Samsung and other clients.
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I hope it gets fixed soon. They are releasing a lot of new features that we can’t enjoy.
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Plex team, really, no update yet? My server uses more cpu, runs hotter and uses more power. One thread is always 100%, little bit to much just to stream some text.
Setting client to always burn in subtitles seems to help, good I don’t have much clients., but please fix this to work properly.
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Yep…nothing. Plex, if the issue is in an open-source library, can you at least post what the issue is so someone else can fix it?
I seriously can’t believe this wouldn’t be considered a priority 0 bug under whatever system plex is using internally. Baffling.
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@ChuckPa, it really starts to look like a joke, even when you say that you know what the root cause is, I’m not sure I can believe you especially after your last message about disabling UPNP 
It makes me think that you didn’t even read the thread which says that transcoding SRT to ASS is the issue
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Meanwhile, at Plex…
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I would relly like to know if this is fixed soon.
Just bought a Plex Pass (Unlimited) today and I’am very happy with it. Hope this Plex Pass is related to my whole server not just one or two users.
I just updated to 1.16.0.1226 but actually I dont see the option to use the function of “SRT to ASS” anymore just “SRT” and “PGS” did I miss something?
This is what Plex does, tell you have solved/found/have a lead on a bug fix, but never fix it, they just tell you that so the thread dies and people stop bothering them. Standard Plex SOP.
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I am REALLY FREAKING SORRY and sometimes mess up. I’m human and did not mean to disappoint.
There are three causes for 100% CPU. One is UPNP, Another is using cheap crap hardware expecting miracles with everything working flawlessly, with yet another using docker in a hardware-abstracted container which cant use ASIC capabilities unless they are manually mapped through.
Which applies here? Might it be even a PEBKAC?
I resign from this thread.
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when dealing with a large group and trying to help as many users as you can… you may provide all the information you have at that point. some of that information may not apply to all yet be perfect for others.
in my experience (sometimes just reading others issues) you’ve always been helpful and professional. Thanks For Everything
I’m sorry, I just had to reply to this disparaging comment in light of this issue. I’m not sure where you got that UPNP solves this issue, as not one user with this problem ever reported it being fixed by it (at least in this thread). Maybe you’re trying to correlate that solution to a different problem, but it is clearly not a resolution.
Second, blaming this issue on docker or hardware for a transcode of SRT to ASS subtitles is deeming to the users with this issue, since you have numerous reports just in this thread that the issue is not limited to specific types of hardware or operating systems. By the way, I do expect transcoding SRT to ASS to be done by the most garbage of hardware, you are talking converting time stamped text from one format to another, barely doing any kind of processing.
You might not believe it, but this is both a critical issue that is a major regression from a previous version of Plex and something that can severely impact hardware. On my side, I am running running a docker configuration on modern server grade hardware with 12 cores/24 threads, and this issue with 100% every thread when the end player is an Xbox transcoding SRT to ASS. It is just one of my users that has this issue which forces me to remain on version 1.14.
I hope you or another Plex employee takes the time to actually review this issue and push it through a problem report.
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Is Chuck an employee at Plex? If so his behavior is unacceptable (to be fair, it’s unacceptable either way)
Yes he is and personally I see no issue with his response.
As stated he’s human and it’s easy to lose track of threads.
That gets more so when those threads get filled with spam. (You know… like pointless videos and the likes.)
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