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When I'm trying in LightDM launch Pantheon only session (except "Secure Session"), it goes black screen for a while, and returns to login manager back. And when I try that "Secure Session", it actually proceeds to half-working desktop.
In journalctl - crash seems to be in gnome-session-i (gnome-session-init-worker) process
Mar 15 02:35:47 laptop kernel: traps: gnome-session-i[1241] trap int3 ip:7f0ae1e42b8c sp:7fffa7a2f190 error:0 in libglib-2.0.so.0.8600.4[64b8c,7f0ae1dfc000+a7000]
Mar 15 02:35:47 laptop systemd-coredump[1339]: Process 1241 (gnome-session-i) of user 1000 terminated abnormally with signal 5/TRAP, processing...
Mar 15 02:35:47 laptop systemd[1]: Created slice Slice /system/systemd-coredump.
Mar 15 02:35:47 laptop systemd[1]: Started Process Core Dump (PID 1339/UID 0).
Mar 15 02:35:48 laptop systemd[1202]: Starting sandboxed app permission store...
Mar 15 02:35:48 laptop systemd[1202]: Started sandboxed app permission store.
Mar 15 02:35:48 laptop systemd-coredump[1340]: [?] Process 1241 (gnome-session-i) of user 1000 dumped core.
Stack trace of thread 1241:
#0 0x00007f0ae1e42b8c g_log_structured_array (libglib-2.0.so.0 + 0x64b8c)
#1 0x00007f0ae1e432e0 g_log_default_handler (libglib-2.0.so.0 + 0x652e0)
#2 0x00007f0ae1e4357a g_logv (libglib-2.0.so.0 + 0x6557a)
#3 0x00007f0ae1e43904 g_log (libglib-2.0.so.0 + 0x65904)
#4 0x00005597962a9686 n/a (/usr/lib/gnome-session-init-worker + 0x2686)
#5 0x00007f0ae1bdd6c1 n/a (libc.so.6 + 0x276c1)
#6 0x00007f0ae1bdd7f9 __libc_start_main (libc.so.6 + 0x277f9)
#7 0x00005597962a9c95 n/a (/usr/lib/gnome-session-init-worker + 0x2c95)
Stack trace of thread 1337:
#0 0x00007f0ae1c54f32 n/a (libc.so.6 + 0x9ef32)
#1 0x00007f0ae1c4939c n/a (libc.so.6 + 0x9339c)
#2 0x00007f0ae1c493e4 n/a (libc.so.6 + 0x933e4)
#3 0x00007f0ae1cc32f6 ppoll (libc.so.6 + 0x10d2f6)
#4 0x00007f0ae1e3e744 n/a (libglib-2.0.so.0 + 0x60744)
#5 0x00007f0ae1e3e825 g_main_context_iteration (libglib-2.0.so.0 + 0x60825)
#6 0x00007f0ae1e3e872 n/a (libglib-2.0.so.0 + 0x60872)
#7 0x00007f0ae1e7413c n/a (libglib-2.0.so.0 + 0x9613c)
#8 0x00007f0ae1c4c97a n/a (libc.so.6 + 0x9697a)
#9 0x00007f0ae1cd02bc n/a (libc.so.6 + 0x11a2bc)
Stack trace of thread 1338:
#0 0x00007f0ae1c54f32 n/a (libc.so.6 + 0x9ef32)
#1 0x00007f0ae1c4939c n/a (libc.so.6 + 0x9339c)
#2 0x00007f0ae1c493e4 n/a (libc.so.6 + 0x933e4)
#3 0x00007f0ae1cc32f6 ppoll (libc.so.6 + 0x10d2f6)
#4 0x00007f0ae1e3e744 n/a (libglib-2.0.so.0 + 0x60744)
#5 0x00007f0ae1e3e9d7 g_main_loop_run (libglib-2.0.so.0 + 0x609d7)
#6 0x00007f0ae20af0c4 n/a (libgio-2.0.so.0 + 0x1190c4)
#7 0x00007f0ae1e7413c n/a (libglib-2.0.so.0 + 0x9613c)
#8 0x00007f0ae1c4c97a n/a (libc.so.6 + 0x9697a)
#9 0x00007f0ae1cd02bc n/a (libc.so.6 + 0x11a2bc)
Stack trace of thread 1336:
#0 0x00007f0ae1cce06d syscall (libc.so.6 + 0x11806d)
#1 0x00007f0ae1e6aa2e g_cond_wait (libglib-2.0.so.0 + 0x8ca2e)
#2 0x00007f0ae1e0422d n/a (libglib-2.0.so.0 + 0x2622d)
#3 0x00007f0ae1e74607 n/a (libglib-2.0.so.0 + 0x96607)
#4 0x00007f0ae1e7413c n/a (libglib-2.0.so.0 + 0x9613c)
#5 0x00007f0ae1c4c97a n/a (libc.so.6 + 0x9697a)
#6 0x00007f0ae1cd02bc n/a (libc.so.6 + 0x11a2bc)
ELF object binary architecture: AMD x86-64
Mar 15 02:35:48 laptop lightdm[1055]: pam_unix(lightdm:session): session closed for user eli
Mar 15 02:35:49 laptop lightdm[1369]: pam_unix(lightdm-greeter:session): session opened for user lightdm(uid=960) by (uid=0)How to solve this?
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