After upgrading to 15.10 from 15.04 I got a segfault in plymouthd on every startup.
This is what I can find in syslog:
Nov 11 12:22:26 H3A2764 systemd[1]: plymouth-start.service: Main process exited, code=dumped, status=11/SEGV
Nov 11 12:22:26 H3A2764 systemd[1]: plymouth-start.service: Unit entered failed state.
Nov 11 12:22:26 H3A2764 systemd[1]: plymouth-start.service: Failed with result 'core-dump'.
I uploaded /var/crash/_sbin_plymouthd.0.crash
here.
Best Answer
The solution for me was to tell plymouth to use framebuffer with these steps: