Comment 19 for bug 1794292

Unfortunately again it crashes, logging on with gdm3, both with and without wayland.

The crash seems to be at the same place.
Syslog:
Oct 16 16:04:13 Gert2 systemd[1]: plymouth-start.service: Main process exited, code=dumped, status=11/SEGV
Oct 16 16:04:13 Gert2 gdm3[710]: error: unexpectedly disconnected from boot status daemon
Oct 16 16:04:13 Gert2 systemd[1]: plymouth-start.service: Failed with result 'core-dump'.
Oct 16 16:04:14 Gert2 systemd[1]: Started Hold until boot process finishes up.
Oct 16 16:04:14 Gert2 systemd[1]: Starting Set console scheme...
Oct 16 16:04:14 Gert2 systemd-networkd[392]: wlan0: Gained IPv6LL
Oct 16 16:04:14 Gert2 systemd-timesyncd[393]: Network configuration changed, trying to establish connection.
Oct 16 16:04:14 Gert2 dhclient[795]: DHCPACK of 192.168.178.20 from 192.168.178.1
Oct 16 16:04:14 Gert2 NetworkManager[529]: <info> [1539698654.3397] dhcp4 (wlan0): address 192.168.178.20
Oct 16 16:04:14 Gert2 NetworkManager[529]: <info> [1539698654.3398] dhcp4 (wlan0): plen 24 (255.255.255.0)
Oct 16 16:04:14 Gert2 avahi-daemon[525]: Joining mDNS multicast group on interface wlan0.IPv4 with address 192.168.178.20.
Oct 16 16:04:14 Gert2 NetworkManager[529]: <info> [1539698654.3398] dhcp4 (wlan0): gateway 192.168.178.1
Oct 16 16:04:14 Gert2 NetworkManager[529]: <info> [1539698654.3398] dhcp4 (wlan0): lease time 3600
Oct 16 16:04:14 Gert2 NetworkManager[529]: <info> [1539698654.3399] dhcp4 (wlan0): nameserver '89.101.251.228'
Oct 16 16:04:14 Gert2 avahi-daemon[525]: New relevant interface wlan0.IPv4 for mDNS.
Oct 16 16:04:14 Gert2 NetworkManager[529]: <info> [1539698654.3399] dhcp4 (wlan0): nameserver '89.101.251.229'
Oct 16 16:04:14 Gert2 avahi-daemon[525]: Registering new address record for 192.168.178.20 on wlan0.IPv4.
Oct 16 16:04:14 Gert2 NetworkManager[529]: <info> [1539698654.3399] dhcp4 (wlan0): domain name 'dynamic.ziggo.nl'
Oct 16 16:04:14 Gert2 NetworkManager[529]: <info> [1539698654.3400] dhcp4 (wlan0): state changed unknown -> bound
Oct 16 16:04:14 Gert2 systemd-timesyncd[393]: Network configuration changed, trying to establish connection.
Oct 16 16:04:14 Gert2 NetworkManager[529]: <info> [1539698654.3537] device (wlan0): state change: ip-config -> ip-check (reason 'none', sys-iface-state: 'managed')
Oct 16 16:04:14 Gert2 NetworkManager[529]: <info> [1539698654.3640] device (wlan0): state change: ip-check -> secondaries (reason 'none', sys-iface-state: 'managed')
Oct 16 16:04:14 Gert2 NetworkManager[529]: <info> [1539698654.3663] device (wlan0): state change: secondaries -> activated (reason 'none', sys-iface-state: 'managed')
Oct 16 16:04:14 Gert2 NetworkManager[529]: <info> [1539698654.3690] manager: NetworkManager state is now CONNECTED_LOCAL
Oct 16 16:04:14 Gert2 systemd[1]: Started Set console scheme.

Syslog, if plymouth not crashes:
Oct 16 15:54:10 Gert2 systemd[1]: Received SIGRTMIN+21 from PID 353 (plymouthd).
Oct 16 15:54:10 Gert2 systemd[1]: Started Hold until boot process finishes up.
Oct 16 15:54:10 Gert2 systemd[1]: Starting Set console scheme...
Oct 16 15:54:10 Gert2 systemd[1]: Started Set console scheme.

ProblemType: Crash
Architecture: i386
Date: Tue Oct 16 16:04:11 2018
DistroRelease: Ubuntu 18.10
ExecutablePath: /sbin/plymouthd
ExecutableTimestamp: 1539614166

I tried to make a symbolic stackdump, but that failed

SegvAnalysis:
 Segfault happened at: 0xb7f80d29 <ply_renderer_set_handler_for_input_source+41>: mov 0x3c(%edx),%eax
 PC (0xb7f80d29) ok
 source "0x3c(%edx)" (0x3833696b) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading unknown VMA
SourcePackage: plymouth
Stacktrace:
 #0 0xb7f80d29 in ply_renderer_set_handler_for_input_source () at /lib/i386-linux-gnu/libply-splash-core.so.4
 #1 0xb7f79ccd in ply_keyboard_stop_watching_for_input () at /lib/i386-linux-gnu/libply-splash-core.so.4
 #2 0xb7f78fa0 in ply_device_manager_deactivate_keyboards () at /lib/i386-linux-gnu/libply-splash-core.so.4
 #3 0x0043bccf in ()
 #4 0x00434d23 in _start ()
StacktraceAddressSignature: /sbin/plymouthd:11:/lib/i386-linux-gnu/libply-splash-core.so.4.0.0+ad29:/lib/i386-linux-gnu/libply-splash-core.so.4.0.0+3ccd:/lib/i386-linux-gnu/libply-splash-core.so.4.0.0+2fa0:/sbin/plymouthd+accf:/sbin/plymouthd+3d23
StacktraceTop:
 ply_renderer_set_handler_for_input_source () at /lib/i386-linux-gnu/libply-splash-core.so.4
 ply_keyboard_stop_watching_for_input () at /lib/i386-linux-gnu/libply-splash-core.so.4
 ply_device_manager_deactivate_keyboards () at /lib/i386-linux-gnu/libply-splash-core.so.4
 ()
 _start ()
Tags: cosmic third-party-packages
TextPlymouth: /usr/share/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
ThreadStacktrace:
 .
 Thread 1 (Thread 0xb7c33f00 (LWP 348)):
 #0 0xb7f80d29 in ply_renderer_set_handler_for_input_source () at /lib/i386-linux-gnu/libply-splash-core.so.4
 #1 0xb7f79ccd in ply_keyboard_stop_watching_for_input () at /lib/i386-linux-gnu/libply-splash-core.so.4
 #2 0xb7f78fa0 in ply_device_manager_deactivate_keyboards () at /lib/i386-linux-gnu/libply-splash-core.so.4
 #3 0x0043bccf in ()
 #4 0x00434d23 in _start ()
Title: plymouthd crashed with SIGSEGV in ply_renderer_set_handler_for_input_source()