Comment # 5 on bug 1140081 from Fabian Vogt

It happened again, with nouveau.modeset=0:

Jul 24 13:05:31 linux-e202.suse.de org_kde_powerdevil[1912]: The Wayland
connection broke. Did the Wayland compositor die?
Jul 24 13:05:31 linux-e202.suse.de systemd-logind[1241]: Inhibitor PowerDevil
(KDE handles power events) pid=1912 uid=1000 mode=block stopped.
Jul 24 13:05:31 linux-e202.suse.de systemd-logind[1241]: Sent message
type=signal sender=n/a destination=n/a path=/org/freedesktop/login1
interface=org.freedesktop.DBus.Properties member=PropertiesChanged cookie=7424
reply_cookie=0 signature=sa{sv}as error-name=n/a error-message=n/a
Jul 24 13:05:31 linux-e202.suse.de kernel: kwin_wayland[1787]: segfault at
7fb14eccb1e0 ip 00007fb154608190 sp 00007fffdd6e1e80 error 4 in
libEGL_mesa.so.0.0.0[7fb1545f8000+23000]
Jul 24 13:05:31 linux-e202.suse.de kernel: Code: 00 00 4c 89 e2 48 89 ee 48 89
c7 e8 8a fe ff ff eb ce 0f 1f 84 00 00 00 00 00 55 48 8b 46 68 48 89 d5 48 8b
7a 20 48 8b 40 68 <ff> 50 20 48 89 ef e8 65 0d ff ff b8 01 00 00 00 5d c3 66 66
2e 0f
Jul 24 13:05:31 linux-e202.suse.de systemd-logind[1241]: Inhibitor
Bildschirmsperre (Stellt sicher, dass der Bildschirm vor dem Herunterfahren
gesperrt wird) pid=1787 uid=1000 mode=delay stopped.
Jul 24 13:05:31 linux-e202.suse.de systemd-logind[1241]: Sent message
type=signal sender=n/a destination=n/a path=/org/freedesktop/login1
interface=org.freedesktop.DBus.Properties member=PropertiesChanged cookie=7425
reply_cookie=0 signature=sa{sv}as error-name=n/a error-message=n/a
Jul 24 13:05:32 linux-e202.suse.de dbus-daemon[1197]: [system] Activating via
systemd: service name='org.freedesktop.resolve1'
unit='dbus-org.freedesktop.resolve1.service' requested by ':1.2' (uid=0
pid=1205 comm="/usr/sbin/NetworkManager --no-daemon ")
Jul 24 13:05:32 linux-e202.suse.de dbus-daemon[1197]: [system] Activation via
systemd failed for unit 'dbus-org.freedesktop.resolve1.service': Unit
dbus-org.freedesktop.resolve1.service not found.
Jul 24 13:05:32 linux-e202.suse.de systemd-logind[1241]: Got message
type=signal sender=:1.0 destination=n/a path=/org/freedesktop/systemd1
interface=org.freedesktop.systemd1.Manager member=UnitRemoved cookie=15623
reply_cookie=0 signature=so error-name=n/a error-message=n/a
Jul 24 13:05:34 linux-e202.suse.de systemd-logind[1241]: Got message
type=signal sender=org.freedesktop.DBus destination=n/a
path=/org/freedesktop/DBus interface=org.freedesktop.DBus
member=NameOwnerChanged cookie=875 reply_cookie=0 signature=sss error-name=n/a
error-message=n/a
Jul 24 13:05:34 linux-e202.suse.de systemd-logind[1241]: Sent message
type=method_call sender=n/a destination=org.freedesktop.DBus
path=/org/freedesktop/DBus interface=org.freedesktop.DBus member=RemoveMatch
cookie=7426 reply_cookie=0 signature=s error-name=n/a error-message=n/a
Jul 24 13:05:35 linux-e202.suse.de sddm-helper[1723]: [PAM] Closing session
Jul 24 13:05:35 linux-e202.suse.de kernel: traps: ThreadPoolSingl[2756] trap
int3 ip:5650f3898797 sp:7f14f9115f60 error:0 in
vivaldi-bin[5650f144a000+6c6f000]
Jul 24 13:05:35 linux-e202.suse.de systemd[23050]: run-user-1000-doc.mount:
Succeeded.
Jul 24 13:05:35 linux-e202.suse.de systemd[23050]: run-user-1000-gvfs.mount:
Succeeded.
Jul 24 13:05:35 linux-e202.suse.de systemd[1726]: run-user-1000-doc.mount:
Succeeded.
Jul 24 13:05:35 linux-e202.suse.de systemd[1726]: run-user-1000-gvfs.mount:
Succeeded.
Jul 24 13:05:35 linux-e202.suse.de systemd-logind[1241]: Failed to reset
keyboard mode, ignoring: Input/output error
Jul 24 13:05:35 linux-e202.suse.de systemd-logind[1241]: Failed to set VT_AUTO
mode, ignoring: Input/output error
Jul 24 13:05:35 linux-e202.suse.de systemd-logind[1241]: Failed to restore VT,
ignoring: Input/output error
Jul 24 13:05:35 linux-e202.suse.de systemd-logind[1241]: Got message
type=method_call sender=:1.1406 destination=org.freedesktop.login1
path=/org/freedesktop/login1 interface=org.freedesktop.login1.Manager
member=ReleaseSession cookie=2 reply_cookie=0 signature=s error-name=n/a
error-message=n/a
Jul 24 13:05:35 linux-e202.suse.de systemd-logind[1241]: Sent message
type=method_call sender=n/a destination=org.freedesktop.DBus
path=/org/freedesktop/DBus interface=org.freedesktop.DBus
member=GetConnectionUnixUser cookie=7427 reply_cookie=0 signature=s
error-name=n/a error-message=n/a
Jul 24 13:05:35 linux-e202.suse.de systemd-logind[1241]: Got message
type=method_return sender=org.freedesktop.DBus destination=:1.6 path=n/a
interface=n/a member=n/a cookie=876 reply_cookie=7427 signature=u
error-name=n/a error-message=n/a
Jul 24 13:05:35 linux-e202.suse.de systemd-logind[1241]: Sent message
type=method_return sender=n/a destination=:1.1406 path=n/a interface=n/a
member=n/a cookie=7428 reply_cookie=2 signature=n/a error-name=n/a
error-message=n/a
Jul 24 13:05:35 linux-e202.suse.de sddm-helper[1723]: pam_unix(sddm:session):
session closed for user fabian
Jul 24 13:05:35 linux-e202.suse.de sddm-helper[1723]: [PAM] Ended.