cd to /var/lib/plexmediaserver/Library/Application Support/Plex Media Server/Crash Reports
look for the DMP file. it should have captured something.
can I just cat this? or vim it? it’s all gibberish
It’s a binary core dump file. If it were x86_64 , i could pull up the debugger and use it to backtrace where it failed but I have no ARM devices here
How about deleting the codecs (the .so files) and restarting.
I suggest this because it looks like you were in the middle of scanning media when it failed.
Also, if I may suggest, in Settings - Server - Library, enable “Partial Scan” to save you scanning time. I see a lot of 'Skipping"
Okay - where are these .so files?
they are in the “Codecs” directory along side the “Crash Reports” directory.
Found em. Just wipe em all out and then re-run your start script?
yes. please.
If that fails, uninstall PMS, download fresh and install that.
I am sensing there is corruption here somewhere.
Your script yielded same results. Attempted service plexmediaserver start and got the same the following
Aug 25 21:39:16 raspberrypi systemd[1]: Starting Plex Media Server...
-- Subject: A start job for unit plexmediaserver.service has begun execution
-- A start job for unit plexmediaserver.service has begun execution.
Aug 25 21:39:16 raspberrypi systemd[1]: Started Plex Media Server.
-- Subject: A start job for unit plexmediaserver.service has finished successfully
-- A start job for unit plexmediaserver.service has finished successfully.
Aug 25 21:39:16 raspberrypi systemd[1]: plexmediaserver.service: Main process exited, code=killed, status=11/SEGV
-- An ExecStart= process belonging to unit plexmediaserver.service has exited.
Aug 25 21:39:16 raspberrypi systemd[1]: plexmediaserver.service: Failed with result 'signal'.
-- The unit plexmediaserver.service has entered the 'failed' state with result 'signal'that from the command sudo journalctl -xe | grep -i plex
understood.
In the few minutes since I posted my instructions above, you did the following??
- Removed all the codecs and restarted
- Saw if had failed
- Uninstalled (dpkg -e)
- Downloaded a fresh copy of PMS
- Installed the DEB file again?
what does cat /proc/cpuinfo show please?
I have not completely uninstalled and downloaded fresh copy of PMS
processor : 0
model name : ARMv7 Processor rev 3 (v7l)
BogoMIPS : 119.99
Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm crc32
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x0
CPU part : 0xd08
CPU revision : 3
processor : 1
model name : ARMv7 Processor rev 3 (v7l)
BogoMIPS : 119.99
Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm crc32
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x0
CPU part : 0xd08
CPU revision : 3
processor : 2
model name : ARMv7 Processor rev 3 (v7l)
BogoMIPS : 119.99
Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm crc32
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x0
CPU part : 0xd08
CPU revision : 3
processor : 3
model name : ARMv7 Processor rev 3 (v7l)
BogoMIPS : 119.99
Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm crc32
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x0
CPU part : 0xd08
CPU revision : 3
Hardware : BCM2835
Revision : d03114
Serial : 100000003e2ca758
Model : Raspberry Pi 4 Model B Rev 1.4
pi@raspberrypi:~ $You can leave ALL your metadata (Library) in place - DO NOT delete it.
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Is there a nice clean concise method of completely clearing previous PMS installations?
there is.
Do you want to slide your existing installation ‘off to the side’ for a moment to attempt a fresh start without being destructive?
I mean as long as I don’t have to do a fresh install of my OS 
I’ve got my network drive mounted and everything and would rather not mess that up. but other than that I’m fine with new install.
However you wish. I can give you whatever you want.
FULL REMOVAL
- uninstall the package
- sudo userdel plex
- sudo rm -rf /var/lib/plexmediaserver
Side-step restart
- cd /var/lib/plexmediaserver
- sudo mv Library Library.save
- Start the server again
- Open an incognito window in your browser
- open the server URL
- As you start the fresh setup, give it a Friendly Name which is different / unique from your main server name.
- Proceed normally after that.
Okay - I did steps 1-3 and it still did wont resolve for step 4/5…
And yeah looks like i’ve hit my limit of responses for a new user 
So I’ll need to respond within editing this response.
I’m going with completely wiping out and restarting @ChuckPa
you still get the SEGV ?
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