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When I try to run a second xsession, on a tty(with a window manager or an application with gui), then when I switch from this xsession to the main, the main xsession crash and drops me to the desktop manager(lightdm, but I tried with others too), to relogin.
This is the journal log when this happens:
-- Logs begin at Wed 2020-08-19 20:35:42 EEST, end at Fri 2020-08-21 09:11:37 EEST. --
Αυγ 21 09:11:01 archlinux dbus-daemon[577]: [system] Activating via systemd: service name='org.freedesktop.home1' unit='dbus-org.freedesktop.home1.service' requested by ':1.398' (uid=0 pid=5500 comm="/bin/login -p -- ")
Αυγ 21 09:11:01 archlinux dbus-daemon[577]: [system] Activation via systemd failed for unit 'dbus-org.freedesktop.home1.service': Unit dbus-org.freedesktop.home1.service not found.
Αυγ 21 09:11:01 archlinux login[5500]: pam_systemd_home(login:account): Failed to query user record: Unit dbus-org.freedesktop.home1.service not found.
Αυγ 21 09:11:01 archlinux login[5500]: pam_unix(login:session): session opened for user archuser(uid=1000) by LOGIN(uid=0)
Αυγ 21 09:11:01 archlinux systemd-logind[587]: New session 12 of user archuser.
Αυγ 21 09:11:01 archlinux systemd[1]: Started Session 12 of user archuser.
Αυγ 21 09:11:01 archlinux login[5500]: LOGIN ON tty2 BY archuser
Αυγ 21 09:11:13 archlinux pulseaudio[4951]: X connection to :0 broken (explicit kill or server shutdown).
Αυγ 21 09:11:13 archlinux at-spi-bus-launcher[5052]: X connection to :0 broken (explicit kill or server shutdown).
Αυγ 21 09:11:13 archlinux bluetoothd[575]: Endpoint unregistered: sender=:1.368 path=/MediaEndpoint/A2DPSink/sbc
Αυγ 21 09:11:13 archlinux bluetoothd[575]: Endpoint unregistered: sender=:1.368 path=/MediaEndpoint/A2DPSource/sbc
Αυγ 21 09:11:13 archlinux systemd[1]: Stopping Session 11 of user archuser.
Αυγ 21 09:11:13 archlinux systemd[712]: pulseaudio.service: Main process exited, code=exited, status=1/FAILURE
Αυγ 21 09:11:13 archlinux systemd[712]: pulseaudio.service: Failed with result 'exit-code'.
Αυγ 21 09:11:13 archlinux systemd[1]: Started Process Core Dump (PID 5649/UID 0).
Αυγ 21 09:11:13 archlinux polkitd[677]: Unregistered Authentication Agent for unix-session:11 (system bus name :1.389, object path /org/gnome/PolicyKit1/AuthenticationAgent, locale el_GR.UTF-8) (disconnected from bus)
Αυγ 21 09:11:13 archlinux lightdm[5021]: Error opening audit socket: Protocol not supported
Αυγ 21 09:11:13 archlinux lightdm[5021]: pam_unix(lightdm:session): session closed for user archuser
Αυγ 21 09:11:13 archlinux systemd[712]: pulseaudio.service: Scheduled restart job, restart counter is at 5.
Αυγ 21 09:11:13 archlinux systemd[712]: Stopped Sound Service.
Αυγ 21 09:11:13 archlinux systemd[712]: Starting Sound Service...
Αυγ 21 09:11:14 archlinux lightdm[5670]: pam_unix(lightdm-greeter:session): session opened for user lightdm(uid=973) by (uid=0)
Αυγ 21 09:11:14 archlinux systemd[1]: Created slice User Slice of UID 973.
Αυγ 21 09:11:14 archlinux systemd[1]: Starting User Runtime Directory /run/user/973...
Αυγ 21 09:11:14 archlinux systemd-logind[587]: New session c5 of user lightdm.
Αυγ 21 09:11:14 archlinux systemd[1]: Finished User Runtime Directory /run/user/973.
Αυγ 21 09:11:14 archlinux systemd[1]: Starting User Manager for UID 973...
Αυγ 21 09:11:14 archlinux dbus-daemon[577]: [system] Activating via systemd: service name='org.freedesktop.home1' unit='dbus-org.freedesktop.home1.service' requested by ':1.405' (uid=0 pid=5675 comm="(systemd) ")
Αυγ 21 09:11:14 archlinux dbus-daemon[577]: [system] Activation via systemd failed for unit 'dbus-org.freedesktop.home1.service': Unit dbus-org.freedesktop.home1.service not found.
Αυγ 21 09:11:14 archlinux systemd[5675]: pam_systemd_home(systemd-user:account): Failed to query user record: Unit dbus-org.freedesktop.home1.service not found.
Αυγ 21 09:11:14 archlinux systemd[5675]: pam_warn(systemd-user:setcred): function=[pam_sm_setcred] flags=0x8002 service=[systemd-user] terminal=[] user=[lightdm] ruser=[<unknown>] rhost=[<unknown>]
Αυγ 21 09:11:14 archlinux systemd[5675]: pam_unix(systemd-user:session): session opened for user lightdm(uid=973) by (uid=0)
Αυγ 21 09:11:14 archlinux rtkit-daemon[896]: Successfully made thread 5668 of process 5668 owned by '1000' high priority at nice level -11.
Αυγ 21 09:11:14 archlinux rtkit-daemon[896]: Supervising 1 threads of 1 processes of 1 users.
Αυγ 21 09:11:14 archlinux pulseaudio[5668]: W: [pulseaudio] pid.c: Stale PID file, overwriting.
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-cinnamon\x2dsettings\x2ddaemon\x2dclipboard-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[5683]: gnome-systemd-autostart-condition not found: No such file or directory
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-cinnamon\x2dsettings\x2ddaemon\x2dsmartcard-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-cinnamon\x2dsettings\x2ddaemon\x2dxrandr-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[5683]: kde-systemd-start-condition not found: No such file or directory
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-cinnamon\x2dsettings\x2ddaemon\x2dkeyboard-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-cinnamon\x2dsettings\x2ddaemon\x2dcursor-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-xapp\x2dsn\x2dwatcher-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-cinnamon\x2dsettings\x2ddaemon\x2dsound-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-cinnamon\x2dsettings\x2ddaemon\x2dprint\x2dnotifications-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-cinnamon\x2dsettings\x2ddaemon\x2dxsettings-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-cinnamon\x2dsettings\x2ddaemon\x2dcolor-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-cinnamon\x2dsettings\x2ddaemon\x2da11y\x2dsettings-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-cinnamon\x2dsettings\x2ddaemon\x2dorientation-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-pulseaudio-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-cinnamon\x2dsettings\x2ddaemon\x2dpower-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-cinnamon\x2dsettings\x2ddaemon\x2dbackground-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-cinnamon\x2dsettings\x2ddaemon\x2dhousekeeping-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-cinnamon\x2dsettings\x2ddaemon\x2dmouse-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-cinnamon\x2dsettings\x2ddaemon\x2dmedia\x2dkeys-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-cinnamon\x2dsettings\x2ddaemon\x2dwacom-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-cinnamon\x2dsettings\x2ddaemon\x2da11y\x2dkeyboard-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-cinnamon\x2dsettings\x2ddaemon\x2dscreensaver\x2dproxy-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-cinnamon\x2dsettings\x2ddaemon\x2dautomount-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[5683]: Not generating service for XDG autostart app-at\x2dspi\x2ddbus\x2dbus-autostart.service, startup phases are not supported.
Αυγ 21 09:11:14 archlinux systemd[1]: session-11.scope: Succeeded.
Αυγ 21 09:11:14 archlinux systemd[1]: Stopped Session 11 of user archuser.
Αυγ 21 09:11:14 archlinux systemd-logind[587]: Removed session 11.
Αυγ 21 09:11:14 archlinux systemd[5675]: Queued start job for default target Main User Target.
Αυγ 21 09:11:14 archlinux systemd[5675]: Reached target Paths.
Αυγ 21 09:11:14 archlinux systemd[5675]: Reached target Timers.
Αυγ 21 09:11:14 archlinux systemd[5675]: Starting D-Bus User Message Bus Socket.
Αυγ 21 09:11:14 archlinux systemd[5675]: Listening on GnuPG network certificate management daemon.
Αυγ 21 09:11:14 archlinux systemd[5675]: Listening on GnuPG cryptographic agent and passphrase cache (access for web browsers).
Αυγ 21 09:11:14 archlinux systemd[5675]: Listening on GnuPG cryptographic agent and passphrase cache (restricted).
Αυγ 21 09:11:14 archlinux systemd[5675]: Listening on GnuPG cryptographic agent (ssh-agent emulation).
Αυγ 21 09:11:14 archlinux systemd[5675]: Listening on GnuPG cryptographic agent and passphrase cache.
Αυγ 21 09:11:14 archlinux systemd[5675]: Listening on p11-kit server.
Αυγ 21 09:11:14 archlinux systemd[5675]: Listening on Sound System.
Αυγ 21 09:11:14 archlinux systemd[5675]: Listening on D-Bus User Message Bus Socket.
Αυγ 21 09:11:14 archlinux systemd[5675]: Reached target Sockets.
Αυγ 21 09:11:14 archlinux systemd[5675]: Reached target Basic System.
Αυγ 21 09:11:14 archlinux systemd[1]: Started User Manager for UID 973.
Αυγ 21 09:11:14 archlinux systemd[1]: Started Session c5 of user lightdm.
Αυγ 21 09:11:14 archlinux systemd[5675]: Starting Update XDG user dir configuration...
Αυγ 21 09:11:14 archlinux systemd[5675]: xdg-user-dirs-update.service: Succeeded.
Αυγ 21 09:11:14 archlinux systemd[5675]: Finished Update XDG user dir configuration.
Αυγ 21 09:11:14 archlinux systemd[5675]: Reached target Main User Target.
Αυγ 21 09:11:14 archlinux systemd[5675]: Startup finished in 186ms.
Αυγ 21 09:11:14 archlinux rtkit-daemon[896]: Supervising 1 threads of 1 processes of 1 users.
Αυγ 21 09:11:14 archlinux rtkit-daemon[896]: Successfully made thread 5689 of process 5668 owned by '1000' RT at priority 5.
Αυγ 21 09:11:14 archlinux rtkit-daemon[896]: Supervising 2 threads of 1 processes of 1 users.
Αυγ 21 09:11:14 archlinux rtkit-daemon[896]: Supervising 2 threads of 1 processes of 1 users.
Αυγ 21 09:11:14 archlinux rtkit-daemon[896]: Successfully made thread 5690 of process 5668 owned by '1000' RT at priority 5.
Αυγ 21 09:11:14 archlinux rtkit-daemon[896]: Supervising 3 threads of 1 processes of 1 users.
Αυγ 21 09:11:14 archlinux rtkit-daemon[896]: Supervising 3 threads of 1 processes of 1 users.
Αυγ 21 09:11:14 archlinux rtkit-daemon[896]: Successfully made thread 5691 of process 5668 owned by '1000' RT at priority 5.
Αυγ 21 09:11:14 archlinux rtkit-daemon[896]: Supervising 4 threads of 1 processes of 1 users.
Αυγ 21 09:11:14 archlinux rtkit-daemon[896]: Supervising 4 threads of 1 processes of 1 users.
Αυγ 21 09:11:14 archlinux rtkit-daemon[896]: Successfully made thread 5702 of process 5668 owned by '1000' RT at priority 5.
Αυγ 21 09:11:14 archlinux rtkit-daemon[896]: Supervising 5 threads of 1 processes of 1 users.
Αυγ 21 09:11:14 archlinux rtkit-daemon[896]: Supervising 5 threads of 1 processes of 1 users.
Αυγ 21 09:11:14 archlinux rtkit-daemon[896]: Successfully made thread 5703 of process 5668 owned by '1000' RT at priority 5.
Αυγ 21 09:11:14 archlinux rtkit-daemon[896]: Supervising 6 threads of 1 processes of 1 users.
Αυγ 21 09:11:14 archlinux systemd[5675]: Started D-Bus User Message Bus.
Αυγ 21 09:11:14 archlinux dbus-daemon[5705]: [session uid=973 pid=5705] Activating via systemd: service name='org.a11y.Bus' unit='at-spi-dbus-bus.service' requested by ':1.1' (uid=973 pid=5687 comm="/usr/bin/lightdm-gtk-greeter ")
Αυγ 21 09:11:14 archlinux systemd[5675]: Starting Accessibility services bus...
Αυγ 21 09:11:14 archlinux dbus-daemon[5705]: [session uid=973 pid=5705] Successfully activated service 'org.a11y.Bus'
Αυγ 21 09:11:14 archlinux systemd[5675]: Started Accessibility services bus.
Αυγ 21 09:11:14 archlinux systemd[712]: Started Sound Service.
Αυγ 21 09:11:14 archlinux bluetoothd[575]: Endpoint registered: sender=:1.413 path=/MediaEndpoint/A2DPSink/sbc
Αυγ 21 09:11:14 archlinux bluetoothd[575]: Endpoint registered: sender=:1.413 path=/MediaEndpoint/A2DPSource/sbc
Αυγ 21 09:11:14 archlinux dbus-daemon[5705]: [session uid=973 pid=5705] Activating via systemd: service name='org.gtk.vfs.Daemon' unit='gvfs-daemon.service' requested by ':1.3' (uid=973 pid=5687 comm="/usr/bin/lightdm-gtk-greeter ")
Αυγ 21 09:11:14 archlinux systemd[5675]: Starting Virtual filesystem service...
Αυγ 21 09:11:14 archlinux dbus-daemon[5705]: [session uid=973 pid=5705] Successfully activated service 'org.gtk.vfs.Daemon'
Αυγ 21 09:11:14 archlinux systemd[5675]: Started Virtual filesystem service.
Αυγ 21 09:11:14 archlinux polkitd[677]: <no filename>:3: action=[Action id='org.freedesktop.DisplayManager.AccountsService.ReadAny']
Αυγ 21 09:11:14 archlinux polkitd[677]: <no filename>:4: subject=[Subject pid=5687 user='lightdm' groups=lightdm seat='seat0' session='c5' local=true active=true]
Αυγ 21 09:11:14 archlinux at-spi-bus-launcher[5716]: dbus-daemon[5716]: Activating service name='org.a11y.atspi.Registry' requested by ':1.0' (uid=973 pid=5687 comm="/usr/bin/lightdm-gtk-greeter ")
Αυγ 21 09:11:14 archlinux at-spi-bus-launcher[5716]: dbus-daemon[5716]: Successfully activated service 'org.a11y.atspi.Registry'
Αυγ 21 09:11:14 archlinux at-spi-bus-launcher[5738]: SpiRegistry daemon is running with well-known name - org.a11y.atspi.Registry
Αυγ 21 09:11:14 archlinux systemd-coredump[5650]: Process 5425 (python3) of user 1000 dumped core.
Stack trace of thread 5425:
#0 0x00007f5600294355 raise (libc.so.6 + 0x3c355)
#1 0x00007f56002943e0 __restore_rt (libc.so.6 + 0x3c3e0)
#2 0x00007f55ed5da783 _ZN14QXcbConnection13updateScreensEPK24xcb_randr_notify_event_t (libQt5XcbQpa.so.5 + 0x62783)
#3 0x00007f55ed5b308a _ZN14QXcbConnection14handleXcbEventEP19xcb_generic_event_t (libQt5XcbQpa.so.5 + 0x3b08a)
#4 0x00007f55ed5b3c79 _ZN14QXcbConnection16processXcbEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5XcbQpa.so.5 + 0x3bc79)
#5 0x00007f55ed5d6c84 n/a (libQt5XcbQpa.so.5 + 0x5ec84)
#6 0x00007f55ff6ba43c g_main_context_dispatch (libglib-2.0.so.0 + 0x5243c)
#7 0x00007f55ff7081d9 n/a (libglib-2.0.so.0 + 0xa01d9)
#8 0x00007f55ff6b9221 g_main_context_iteration (libglib-2.0.so.0 + 0x51221)
#9 0x00007f55f7db434c _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x30c34c)
#10 0x00007f55f7d5a13c _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b213c)
#11 0x00007f55f7d625c4 _ZN16QCoreApplication4execEv (libQt5Core.so.5 + 0x2ba5c4)
#12 0x00007f55f57c480f n/a (QtWidgets.abi3.so + 0x37c80f)
#13 0x00007f55ffffd1ea PyCFunction_Call (libpython3.8.so.1.0 + 0x1351ea)
#14 0x00007f55fffefbf4 _PyObject_MakeTpCall (libpython3.8.so.1.0 + 0x127bf4)
#15 0x00007f55fffeb4d8 _PyEval_EvalFrameDefault (libpython3.8.so.1.0 + 0x1234d8)
#16 0x00007f55ffff7138 _PyFunction_Vectorcall (libpython3.8.so.1.0 + 0x12f138)
#17 0x00007f55fffeb097 _PyEval_EvalFrameDefault (libpython3.8.so.1.0 + 0x123097)
#18 0x00007f55fffe50c4 _PyEval_EvalCodeWithName (libpython3.8.so.1.0 + 0x11d0c4)
#19 0x00007f5600096323 PyEval_EvalCode (libpython3.8.so.1.0 + 0x1ce323)
#20 0x00007f56000a1b98 n/a (libpython3.8.so.1.0 + 0x1d9b98)
#21 0x00007f560009bdb3 n/a (libpython3.8.so.1.0 + 0x1d3db3)
#22 0x00007f55fff5aa0b PyRun_FileExFlags (libpython3.8.so.1.0 + 0x92a0b)
#23 0x00007f55fff5a482 PyRun_SimpleFileExFlags (libpython3.8.so.1.0 + 0x92482)
#24 0x00007f56000aea1a Py_RunMain (libpython3.8.so.1.0 + 0x1e6a1a)
#25 0x00007f560008abd9 Py_BytesMain (libpython3.8.so.1.0 + 0x1c2bd9)
#26 0x00007f560027f002 __libc_start_main (libc.so.6 + 0x27002)
#27 0x00005646a415004e _start (python3.8 + 0x104e)
Stack trace of thread 5426:
#0 0x00007f560034d05f __poll (libc.so.6 + 0xf505f)
#1 0x00007f55ff708168 n/a (libglib-2.0.so.0 + 0xa0168)
#2 0x00007f55ff6b9221 g_main_context_iteration (libglib-2.0.so.0 + 0x51221)
#3 0x00007f55ff6b9272 n/a (libglib-2.0.so.0 + 0x51272)
#4 0x00007f55ff6e2511 n/a (libglib-2.0.so.0 + 0x7a511)
#5 0x00007f55ffea9422 start_thread (libpthread.so.0 + 0x9422)
#6 0x00007f5600357bf3 __clone (libc.so.6 + 0xffbf3)
Stack trace of thread 5430:
#0 0x00007f55ffeafe32 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0 + 0xfe32)
#1 0x00007f55e653e90c n/a (radeonsi_dri.so + 0x4ae90c)
#2 0x00007f55e653d308 n/a (radeonsi_dri.so + 0x4ad308)
#3 0x00007f55ffea9422 start_thread (libpthread.so.0 + 0x9422)
#4 0x00007f5600357bf3 __clone (libc.so.6 + 0xffbf3)
Stack trace of thread 5431:
#0 0x00007f55ffeafe32 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0 + 0xfe32)
#1 0x00007f55e653e90c n/a (radeonsi_dri.so + 0x4ae90c)
#2 0x00007f55e653d308 n/a (radeonsi_dri.so + 0x4ad308)
#3 0x00007f55ffea9422 start_thread (libpthread.so.0 + 0x9422)
#4 0x00007f5600357bf3 __clone (libc.so.6 + 0xffbf3)
Stack trace of thread 5433:
#0 0x00007f55ffeafe32 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0 + 0xfe32)
#1 0x00007f55e653e90c n/a (radeonsi_dri.so + 0x4ae90c)
#2 0x00007f55e653d308 n/a (radeonsi_dri.so + 0x4ad308)
#3 0x00007f55ffea9422 start_thread (libpthread.so.0 + 0x9422)
#4 0x00007f5600357bf3 __clone (libc.so.6 + 0xffbf3)
Stack trace of thread 5435:
#0 0x00007f55ffeafe32 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0 + 0xfe32)
#1 0x00007f55e653e90c n/a (radeonsi_dri.so + 0x4ae90c)
#2 0x00007f55e653d308 n/a (radeonsi_dri.so + 0x4ad308)
#3 0x00007f55ffea9422 start_thread (libpthread.so.0 + 0x9422)
#4 0x00007f5600357bf3 __clone (libc.so.6 + 0xffbf3)
Stack trace of thread 5437:
#0 0x00007f55ffeafe32 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0 + 0xfe32)
#1 0x00007f55e653e90c n/a (radeonsi_dri.so + 0x4ae90c)
#2 0x00007f55e653d308 n/a (radeonsi_dri.so + 0x4ad308)
#3 0x00007f55ffea9422 start_thread (libpthread.so.0 + 0x9422)
#4 0x00007f5600357bf3 __clone (libc.so.6 + 0xffbf3)
Stack trace of thread 5438:
#0 0x00007f55ffeafe32 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0 + 0xfe32)
#1 0x00007f55e653e90c n/a (radeonsi_dri.so + 0x4ae90c)
#2 0x00007f55e653d308 n/a (radeonsi_dri.so + 0x4ad308)
#3 0x00007f55ffea9422 start_thread (libpthread.so.0 + 0x9422)
#4 0x00007f5600357bf3 __clone (libc.so.6 + 0xffbf3)
Stack trace of thread 5427:
#0 0x00007f560034d05f __poll (libc.so.6 + 0xf505f)
#1 0x00007f55ff708168 n/a (libglib-2.0.so.0 + 0xa0168)
#2 0x00007f55ff6b8c03 g_main_loop_run (libglib-2.0.so.0 + 0x50c03)
#3 0x00007f55ff4a01a8 n/a (libgio-2.0.so.0 + 0x1001a8)
#4 0x00007f55ff6e2511 n/a (libglib-2.0.so.0 + 0x7a511)
#5 0x00007f55ffea9422 start_thread (libpthread.so.0 + 0x9422)
#6 0x00007f5600357bf3 __clone (libc.so.6 + 0xffbf3)
Stack trace of thread 5432:
#0 0x00007f55ffeafe32 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0 + 0xfe32)
#1 0x00007f55e653e90c n/a (radeonsi_dri.so + 0x4ae90c)
#2 0x00007f55e653d308 n/a (radeonsi_dri.so + 0x4ad308)
#3 0x00007f55ffea9422 start_thread (libpthread.so.0 + 0x9422)
#4 0x00007f5600357bf3 __clone (libc.so.6 + 0xffbf3)
Stack trace of thread 5434:
#0 0x00007f55ffeafe32 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0 + 0xfe32)
#1 0x00007f55e653e90c n/a (radeonsi_dri.so + 0x4ae90c)
#2 0x00007f55e653d308 n/a (radeonsi_dri.so + 0x4ad308)
#3 0x00007f55ffea9422 start_thread (libpthread.so.0 + 0x9422)
#4 0x00007f5600357bf3 __clone (libc.so.6 + 0xffbf3)
Stack trace of thread 5436:
#0 0x00007f55ffeafe32 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0 + 0xfe32)
#1 0x00007f55e653e90c n/a (radeonsi_dri.so + 0x4ae90c)
#2 0x00007f55e653d308 n/a (radeonsi_dri.so + 0x4ad308)
#3 0x00007f55ffea9422 start_thread (libpthread.so.0 + 0x9422)
#4 0x00007f5600357bf3 __clone (libc.so.6 + 0xffbf3)
Stack trace of thread 5439:
#0 0x00007f55ffeafe32 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0 + 0xfe32)
#1 0x00007f55e653e90c n/a (radeonsi_dri.so + 0x4ae90c)
#2 0x00007f55e653d308 n/a (radeonsi_dri.so + 0x4ad308)
#3 0x00007f55ffea9422 start_thread (libpthread.so.0 + 0x9422)
#4 0x00007f5600357bf3 __clone (libc.so.6 + 0xffbf3)
Stack trace of thread 5429:
#0 0x00007f560034d05f __poll (libc.so.6 + 0xf505f)
#1 0x00007f55ff708168 n/a (libglib-2.0.so.0 + 0xa0168)
#2 0x00007f55ff6b9221 g_main_context_iteration (libglib-2.0.so.0 + 0x51221)
#3 0x00007f55f7db4331 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x30c331)
#4 0x00007f55f7d5a13c _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b213c)
#5 0x00007f55f7b75c32 _ZN7QThread4execEv (libQt5Core.so.5 + 0xcdc32)
#6 0x00007f55eeca7098 n/a (libQt5DBus.so.5 + 0x17098)
#7 0x00007f55f7b76e0f n/a (libQt5Core.so.5 + 0xcee0f)
#8 0x00007f55ffea9422 start_thread (libpthread.so.0 + 0x9422)
#9 0x00007f5600357bf3 __clone (libc.so.6 + 0xffbf3)
Αυγ 21 09:11:15 archlinux systemd[1]: systemd-coredump@4-5649-0.service: Succeeded.
Αυγ 21 09:11:18 archlinux dbus-daemon[577]: [system] Activating via systemd: service name='org.freedesktop.home1' unit='dbus-org.freedesktop.home1.service' requested by ':1.415' (uid=0 pid=5735 comm="lightdm --session-child 12 19 ")
Αυγ 21 09:11:18 archlinux dbus-daemon[577]: [system] Activation via systemd failed for unit 'dbus-org.freedesktop.home1.service': Unit dbus-org.freedesktop.home1.service not found.
Αυγ 21 09:11:18 archlinux lightdm[5735]: pam_systemd_home(lightdm:account): Failed to query user record: Unit dbus-org.freedesktop.home1.service not found.
Αυγ 21 09:11:18 archlinux systemd[1]: Stopping Session c5 of user lightdm.
Αυγ 21 09:11:18 archlinux lightdm[5670]: pam_unix(lightdm-greeter:session): session closed for user lightdm
Αυγ 21 09:11:18 archlinux systemd[1]: session-c5.scope: Succeeded.
Αυγ 21 09:11:18 archlinux systemd[1]: Stopped Session c5 of user lightdm.
Αυγ 21 09:11:18 archlinux systemd-logind[587]: Removed session c5.
Αυγ 21 09:11:18 archlinux lightdm[5735]: pam_unix(lightdm:session): session opened for user archuser(uid=1000) by (uid=0)
Αυγ 21 09:11:18 archlinux systemd-logind[587]: New session 14 of user archuser.
Αυγ 21 09:11:18 archlinux systemd[1]: Started Session 14 of user archuser.
Αυγ 21 09:11:18 archlinux lightdm[5735]: Error opening audit socket: Protocol not supported
Αυγ 21 09:11:18 archlinux at-spi-bus-launcher[768]: dbus-daemon[768]: Activating service name='org.a11y.atspi.Registry' requested by ':1.199' (uid=1000 pid=5756 comm="cinnamon-session --session cinnamon ")
Αυγ 21 09:11:18 archlinux at-spi-bus-launcher[768]: dbus-daemon[768]: Successfully activated service 'org.a11y.atspi.Registry'
Αυγ 21 09:11:18 archlinux at-spi-bus-launcher[5766]: SpiRegistry daemon is running with well-known name - org.a11y.atspi.Registry
Αυγ 21 09:11:21 archlinux polkitd[677]: Registered Authentication Agent for unix-session:14 (system bus name :1.432 [/usr/lib/polkit-gnome/polkit-gnome-authentication-agent-1], object path /org/gnome/PolicyKit1/AuthenticationAgent, locale el_GR.UTF-8)
Αυγ 21 09:11:21 archlinux dbus-daemon[577]: [system] Activating via systemd: service name='org.manjaro.pamac.daemon' unit='pamac-daemon.service' requested by ':1.436' (uid=1000 pid=5932 comm="pamac-tray ")
Αυγ 21 09:11:21 archlinux systemd[1]: Starting Pamac Daemon...
Αυγ 21 09:11:21 archlinux dbus-daemon[577]: [system] Successfully activated service 'org.manjaro.pamac.daemon'
Αυγ 21 09:11:21 archlinux systemd[1]: Started Pamac Daemon.
Αυγ 21 09:11:21 archlinux systemd[1]: pamac-daemon.service: Succeeded.
Αυγ 21 09:11:21 archlinux /cinnamon-killer-daemon[5937]: Bound Cinnamon restart to <Control><Alt>Escape.
Αυγ 21 09:11:21 archlinux dbus-daemon[577]: [system] Activating via systemd: service name='org.blueman.Mechanism' unit='blueman-mechanism.service' requested by ':1.434' (uid=1000 pid=5938 comm="/usr/bin/python /usr/bin/blueman-applet ")
Αυγ 21 09:11:21 archlinux systemd[1]: Starting Bluetooth management mechanism...
Αυγ 21 09:11:21 archlinux blueman-mechanism[5982]: Unable to init server: Could not connect: Connection refused
Αυγ 21 09:11:21 archlinux blueman-mechanism[5982]: Unable to init server: Αδυναμία σύνδεσης: Connection refused
Αυγ 21 09:11:21 archlinux blueman-mechani[5982]: gtk_icon_theme_get_for_screen: assertion 'GDK_IS_SCREEN (screen)' failed
Αυγ 21 09:11:21 archlinux dbus-daemon[577]: [system] Successfully activated service 'org.blueman.Mechanism'
Αυγ 21 09:11:21 archlinux systemd[1]: Started Bluetooth management mechanism.
Αυγ 21 09:11:26 archlinux baloo_file[5934]: replace called with invalid arguments, docId: 24769802245507109 url: "/home/archuser/"
Αυγ 21 09:11:26 archlinux cinnamon-session[5756]: WARNING: t+8,06067s: Detected that screensaver has appeared on the bus
Αυγ 21 09:11:28 archlinux systemd[1]: Stopping User Manager for UID 973...
Αυγ 21 09:11:28 archlinux systemd[5675]: Stopped target Main User Target.
Αυγ 21 09:11:28 archlinux systemd[5675]: Stopping Accessibility services bus...
Αυγ 21 09:11:28 archlinux systemd[5675]: Stopping D-Bus User Message Bus...
Αυγ 21 09:11:28 archlinux systemd[5675]: Stopping Virtual filesystem service...
Αυγ 21 09:11:28 archlinux systemd[5675]: at-spi-dbus-bus.service: Succeeded.
Αυγ 21 09:11:28 archlinux systemd[5675]: Stopped Accessibility services bus.
Αυγ 21 09:11:28 archlinux systemd[5675]: dbus.service: Succeeded.
Αυγ 21 09:11:28 archlinux systemd[5675]: Stopped D-Bus User Message Bus.
Αυγ 21 09:11:28 archlinux systemd[5675]: run-user-973-gvfs.mount: Succeeded.
Αυγ 21 09:11:28 archlinux systemd[712]: run-user-973-gvfs.mount: Succeeded.
Αυγ 21 09:11:28 archlinux systemd[1]: run-user-973-gvfs.mount: Succeeded.
Αυγ 21 09:11:28 archlinux systemd[5675]: gvfs-daemon.service: Succeeded.
Αυγ 21 09:11:28 archlinux systemd[5675]: Stopped Virtual filesystem service.
Αυγ 21 09:11:28 archlinux systemd[5675]: Stopped target Basic System.
Αυγ 21 09:11:28 archlinux systemd[5675]: Stopped target Paths.
Αυγ 21 09:11:28 archlinux systemd[5675]: Stopped target Sockets.
Αυγ 21 09:11:28 archlinux systemd[5675]: Stopped target Timers.
Αυγ 21 09:11:28 archlinux systemd[5675]: dbus.socket: Succeeded.
Αυγ 21 09:11:28 archlinux systemd[5675]: Closed D-Bus User Message Bus Socket.
Αυγ 21 09:11:28 archlinux systemd[5675]: dirmngr.socket: Succeeded.
Αυγ 21 09:11:28 archlinux systemd[5675]: Closed GnuPG network certificate management daemon.
Αυγ 21 09:11:28 archlinux systemd[5675]: gpg-agent-browser.socket: Succeeded.
Αυγ 21 09:11:28 archlinux systemd[5675]: Closed GnuPG cryptographic agent and passphrase cache (access for web browsers).
Αυγ 21 09:11:28 archlinux systemd[5675]: gpg-agent-extra.socket: Succeeded.
Αυγ 21 09:11:28 archlinux systemd[5675]: Closed GnuPG cryptographic agent and passphrase cache (restricted).
Αυγ 21 09:11:28 archlinux systemd[5675]: gpg-agent-ssh.socket: Succeeded.
Αυγ 21 09:11:28 archlinux systemd[5675]: Closed GnuPG cryptographic agent (ssh-agent emulation).
Αυγ 21 09:11:28 archlinux systemd[5675]: gpg-agent.socket: Succeeded.
Αυγ 21 09:11:28 archlinux systemd[5675]: Closed GnuPG cryptographic agent and passphrase cache.
Αυγ 21 09:11:28 archlinux systemd[5675]: p11-kit-server.socket: Succeeded.
Αυγ 21 09:11:28 archlinux systemd[5675]: Closed p11-kit server.
Αυγ 21 09:11:28 archlinux systemd[5675]: pulseaudio.socket: Succeeded.
Αυγ 21 09:11:28 archlinux systemd[5675]: Closed Sound System.
Αυγ 21 09:11:28 archlinux systemd[5675]: Reached target Shutdown.
Αυγ 21 09:11:28 archlinux systemd[5675]: systemd-exit.service: Succeeded.
Αυγ 21 09:11:28 archlinux systemd[5675]: Finished Exit the Session.
Αυγ 21 09:11:28 archlinux systemd[5675]: Reached target Exit the Session.
Αυγ 21 09:11:28 archlinux systemd[5679]: pam_warn(systemd-user:setcred): function=[pam_sm_setcred] flags=0x8004 service=[systemd-user] terminal=[] user=[lightdm] ruser=[<unknown>] rhost=[<unknown>]
Αυγ 21 09:11:28 archlinux systemd[1]: user@973.service: Succeeded.
Αυγ 21 09:11:28 archlinux systemd[1]: Stopped User Manager for UID 973.
Αυγ 21 09:11:28 archlinux systemd[1]: Stopping User Runtime Directory /run/user/973...
Αυγ 21 09:11:28 archlinux systemd[712]: run-user-973.mount: Succeeded.
Αυγ 21 09:11:28 archlinux systemd[1]: run-user-973.mount: Succeeded.
Αυγ 21 09:11:28 archlinux systemd[1]: user-runtime-dir@973.service: Succeeded.
Αυγ 21 09:11:28 archlinux systemd[1]: Stopped User Runtime Directory /run/user/973.
Αυγ 21 09:11:28 archlinux systemd[1]: Removed slice User Slice of UID 973.
Αυγ 21 09:11:37 archlinux python3[6143]: libpng warning: iCCP: known incorrect sRGB profile
Αυγ 21 09:11:37 archlinux python3[6143]: libpng warning: iCCP: known incorrect sRGB profile
Αυγ 21 09:11:37 archlinux python3[6143]: libpng warning: iCCP: known incorrect sRGB profile
Αυγ 21 09:11:37 archlinux python3[6143]: libpng warning: iCCP: known incorrect sRGB profile
Αυγ 21 09:11:37 archlinux python3[6143]: libpng warning: iCCP: known incorrect sRGB profile
Αυγ 21 09:11:37 archlinux python3[6143]: libpng warning: iCCP: known incorrect sRGB profile
Αυγ 21 09:11:37 archlinux python3[6143]: libpng warning: iCCP: known incorrect sRGB profile
Αυγ 21 09:11:37 archlinux python3[6143]: libpng warning: known incorrect sRGB profile
Αυγ 21 09:11:37 archlinux python3[6143]: libpng warning: profile matches sRGB but writing iCCP instead
Αυγ 21 09:11:37 archlinux python3[6143]: libpng warning: known incorrect sRGB profile
Αυγ 21 09:11:37 archlinux python3[6143]: libpng warning: profile matches sRGB but writing iCCP insteadI have an AMD card(RX 570) and using the amdgpu driver. This happens almost everytime I switch from second xsession to the main one. I searched about this and I found only one other case with the same problem but this user had an NVIDIA card, so maybe isn't related to GPU driver. I also found on another thread that the vt7-12 used only from desktop manager and the user cannot start an xsession on those vts. So maybe this cause the problem. I used to have 2 xsessions before 3 years also and I didn't have this problem then.
I also use a different xorg.conf file for the 2nd xsession, but it doesn't make any difference if I don't.
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