Bug#842174: [sddm] sddm crashes when second session is started
Package: sddm
Version: 0.13.0-1
Severity: normal
--- Please enter the report below this line. ---
On my system, sddm crashes when I open a second login session, thus closing/
killing my original session and active programs.
Steps to reproduce:
1. Start a plasma session as user A
2. Lock screen
3. Choose "Start new session" on screen lock
-> The sddm login session is shown
4. Start a session as user B
5. At this point "ps -flu A" shows that the first session is already dead
The interesting snippet from journalctl:
Okt 25 23:22:27 mani sddm[4650]: Adding new display on vt 8 ...
Okt 25 23:22:27 mani sddm[4650]: Display server starting...
Okt 25 23:22:27 mani sddm[4650]: Running: /usr/bin/X -nolisten tcp -auth /var/run/sddm/{b0c48caa-23a6-4e2c-9061-51f0f945afa8} -background none -noreset -displayfd 19 vt8
Okt 25 23:22:28 mani sddm[4650]: Running display setup script "/usr/share/sddm/scripts/Xsetup"
Okt 25 23:22:28 mani sddm[4650]: Display server started.
Okt 25 23:22:28 mani sddm[4650]: Socket server starting...
Okt 25 23:22:28 mani sddm[4650]: Socket server started.
Okt 25 23:22:28 mani sddm[4650]: Greeter starting...
Okt 25 23:22:28 mani sddm[4650]: Adding cookie to "/var/run/sddm/{b0c48caa-23a6-4e2c-9061-51f0f945afa8}"
Okt 25 23:22:28 mani sddm[4650]: /usr/bin/xauth: (stdin):1: bad "remove" command line
Okt 25 23:22:28 mani kernel: sddm[4650]: segfault at 0 ip 00007fe10bfceb63 sp 00007ffe7a5fb120 error 4 in libQt5Core.so.5.6.1[7fe10bd16000+4c6000]
Okt 25 23:22:28 mani sddm[4650]: /usr/bin/xauth: (stdin):2: bad "add" command line
Okt 25 23:22:28 mani sddm[4650]: Display server stopped.
Okt 25 23:22:28 mani sddm[4650]: Running display stop script "/usr/share/sddm/scripts/Xstop"
Okt 25 23:22:28 mani sddm[4650]: Socket server stopping...
Okt 25 23:22:28 mani sddm[4650]: Socket server stopped.
Okt 25 23:22:28 mani sddm[4650]: Removing display "" ...
Okt 25 23:22:28 mani sddm[4650]: QProcess: Destroyed while process ("/usr/lib/x86_64-linux-gnu/sddm/sddm-helper") is still running.
Okt 25 23:22:28 mani systemd[1]: sddm.service: Main process exited, code=killed, status=11/SEGV
Okt 25 23:22:28 mani org.kde.kpasswdserver[5397]: The X11 connection broke (error 1). Did the X11 server die?
Okt 25 23:22:28 mani org.kde.KScreen[5397]: The X11 connection broke (error 1). Did the X11 server die?
Okt 25 23:22:28 mani polkitd(authority=local)[658]: Unregistered Authentication Agent for unix-session:19 (system bus name :1.158, object path /org/kde/PolicyKit1/AuthenticationAgent, locale de_AT.UTF-8) (disconnected from bus)
Okt 25 23:22:28 mani org.a11y.Bus[5397]: Activating service name='org.a11y.atspi.Registry'
Okt 25 23:22:28 mani org.kde.kglobalaccel[5397]: The X11 connection broke (error 1). Did the X11 server die?
Okt 25 23:22:28 mani sddm[4650]: kwalletd5: Checking for pam module
Okt 25 23:22:28 mani sddm[4650]: kwalletd5: Got pam-login param
Okt 25 23:22:28 mani sddm[4650]: kwalletd5: Waiting for hash on 15-
Okt 25 23:22:28 mani sddm[4650]: kwalletd5: waitingForEnvironment on: 18
Okt 25 23:22:28 mani sddm[4650]: kwalletd5: client connected
Okt 25 23:22:28 mani sddm[4650]: kwalletd5: client disconnected
--- System information. ---
Architecture: amd64
Kernel: Linux 4.7.0-1-amd64
Debian Release: stretch/sid
500 unstable ftp.at.debian.org
--- Package information. ---
Depends (Version) | Installed
=====================================-+-==============
adduser | 3.115
qml-module-qtquick2 | 5.6.1-11
sddm-theme-breeze | 4:5.8.2-1
OR sddm-theme |
debconf (>= 0.5) | 1.5.59
OR debconf-2.0 |
libc6 (>= 2.14) |
libgcc1 (>= 1:3.0) |
libpam0g (>= 0.99.7.1) |
libqt5core5a (>= 5.5.0) |
libqt5dbus5 (>= 5.0.2) |
libqt5gui5 (>= 5.4.0) |
libqt5network5 (>= 5.0.2) |
libqt5qml5 (>= 5.0.2) |
libqt5quick5 (>= 5.0.2) |
libstdc++6 (>= 5.2) |
libsystemd0 |
libxcb-xkb1 |
libxcb1 |
Recommends (Version) | Installed
=============================-+-===========
libpam-systemd | 231-9
Suggests (Version) | Installed
==============================-+-===========
libpam-kwallet5 | 5.8.2-1
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