Hello, I have a machine with two identical nvidia cards and I configured it with multiseat and Fedora 23. It worked well, that is, two GDM login screens, one in each display.
Then I updated to Fedora 24 and it stoped to work. I have tested that multiseat works with the LiveCDs of Fedora 23 and Fedora 24. As soon as I do loginctl attach seat1 /sys/devices/pci0000:00/..../drm/card1 a GDM appears in the second screen. With the updated Fedora 24 I get a black screen. journalctl says something like: systemd-logind[1314]: New session c6 of user gdm. systemd[1]: Started Session c6 of user gdm. gdm-launch-environment][2804]: pam_unix(gdm-launch-environment:session): session opened for user gdm by (uid=0) audit[2804]: USER_START pid=2804 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:xdm_t:s0-s0:c0.c1023 msg='op=PAM:session_open grantors=pam_keyinit,pam_keyinit,pam_limits,pam_systemd,pam_unix acct="gdm" exe="/usr/libexec/gdm-session-worker" hostname=? addr=? terminal=:6 res=success' audit[2821]: ANOM_ABEND auid=4294967295 uid=42 gid=42 ses=4294967295 subj=system_u:system_r:xdm_t:s0-s0:c0.c1023 pid=2821 comm="gnome-session-c" exe="/usr/libexec/gnome-session-check-accelerated" sig=11 kernel: show_signal_msg: 3 callbacks suppressed kernel: gnome-session-c[2821]: segfault at 71 ip 00007fb4b5655c8a sp 00007ffd216e9520 error 4 in libX11.so.6.3.0[7fb4b5629000+139000] Basically, /usr/libexec/gnome-session-check-accelerated crashes There are quite a few bugs related with gnome-session-check-accelerated crashes in bugzilla. I can send a new one, but I'm afraid it will be lost in the sea of bugs. Is this use case still supported by Fedora? Sergio
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