Public bug reported:

Unityshell crashes when starting and screen goes back to unity greeter.
This seems to happening after ccsm python3 port. Though downgrading
compiz works, I suspect it is breaking when compiling against newer
libraries.

Syslog doesn't really say much other than this:

compiz[7669]: Invalid MIT-MAGIC-COOKIE-1 key/usr/bin/compiz (core) -
Fatal: Couldn't open display :0

unity-panel-service[7677]: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init
server: Could not connect: Connection refused

Log: https://paste.ubuntu.com/p/hCSFVXQb72/

I try to get stacktrace running unity --advance-debug from tty in
flashback metacity session, but I am getting "error debugging symbols"
and it freezes after that.

Partial Trace: https://paste.ubuntu.com/p/hvmhbRVDP8/

OS: Ubuntu 19.04
Graphics: Intel n4200/GME 965/, Amd A10

Edit: Alberts Muktupāvels who authored ccsm python3 port confirmed it,
so setting it as confirmed.

** Affects: unity (Ubuntu)
     Importance: Undecided
         Status: Confirmed


** Tags: disco

** Changed in: unity (Ubuntu)
       Status: New => Confirmed

** Description changed:

  Unityshell crashes when starting and screen goes back to unity greeter.
  This seems to happening after ccsm python3 port. Though downgrading
  compiz works, I suspect it is breaking when compiling against newer
  libraries.
  
  Syslog doesn't really say much other than this:
  
  ompiz[7669]: Invalid MIT-MAGIC-COOKIE-1 key/usr/bin/compiz (core) - Fatal: 
Couldn't open display :0
  unity-panel-service[7677]: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init 
server: Could not connect: Connection refused
  
  Log: https://paste.ubuntu.com/p/hCSFVXQb72/
  
  I try to get stacktrace running unity --advance-debug from tty in
  flashback metacity session, but I am getting "error debugging symbols"
  and it freezes after that.
  
  Partial Trace: https://paste.ubuntu.com/p/hvmhbRVDP8/
+ 
+ 
+ OS: Ubuntu 19.04
+ Graphics: Intel n4200/GME 965/, Amd A10
+ 
+ 
+ Edit: Alberts Muktupāvels who authored ccsm python3 port confirmed it, so 
setting it as confirmed.

** Summary changed:

- compiz: segfault at 0 ip af976f3d sp bfbd6ff0 error 4 in libunityshell.so
+ compiz: segfault at 0 ip af976f3d sp bfbd6ff0 error 4 in libunityshell.so 
(Disco)

** Description changed:

  Unityshell crashes when starting and screen goes back to unity greeter.
  This seems to happening after ccsm python3 port. Though downgrading
  compiz works, I suspect it is breaking when compiling against newer
  libraries.
  
  Syslog doesn't really say much other than this:
  
- ompiz[7669]: Invalid MIT-MAGIC-COOKIE-1 key/usr/bin/compiz (core) - Fatal: 
Couldn't open display :0
- unity-panel-service[7677]: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init 
server: Could not connect: Connection refused
+ compiz[7669]: Invalid MIT-MAGIC-COOKIE-1 key/usr/bin/compiz (core) -
+ Fatal: Couldn't open display :0
+ 
+ unity-panel-service[7677]: Invalid MIT-MAGIC-COOKIE-1 keyUnable to init
+ server: Could not connect: Connection refused
  
  Log: https://paste.ubuntu.com/p/hCSFVXQb72/
  
  I try to get stacktrace running unity --advance-debug from tty in
  flashback metacity session, but I am getting "error debugging symbols"
  and it freezes after that.
  
  Partial Trace: https://paste.ubuntu.com/p/hvmhbRVDP8/
  
- 
  OS: Ubuntu 19.04
  Graphics: Intel n4200/GME 965/, Amd A10
  
- 
- Edit: Alberts Muktupāvels who authored ccsm python3 port confirmed it, so 
setting it as confirmed.
+ Edit: Alberts Muktupāvels who authored ccsm python3 port confirmed it,
+ so setting it as confirmed.

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https://bugs.launchpad.net/bugs/1812964

Title:
  compiz: segfault at 0 ip af976f3d sp bfbd6ff0 error 4 in
  libunityshell.so (Disco)

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