Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xorg (Ubuntu)
Status: New => Confirmed
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Title:
Xorg
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: mutter (Ubuntu)
Status: New => Confirmed
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Title:
** Tags removed: gnome-1710
** Tags added: gnome-17.10
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Title:
Xorg does not detect displays in rootless mode on nvidia proprietary
drivers
** Tags added: gnome-1710 wayland
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Title:
Xorg does not detect displays in rootless mode on nvidia proprietary
drivers (GNOME)
To manage
[ 163.975845] Call Trace:
[ 163.975854] dump_stack+0x63/0x81
[ 163.975858] __warn+0xcb/0xf0
[ 163.975860] warn_slowpath_null+0x1d/0x20
[ 163.975866] drm_atomic_helper_commit_hw_done+0xab/0xb0 [drm_kms_helper]
[ 163.975869] nvidia_drm_atomic_helper_commit_tail+0x128/0x1d0 [nvidia_drm]
[
Jeremy, it's not related.
Also, this is how it supposed to work. If gdm thinks it cannot start
wayland session, it wont display Wayland option.
Why does gdm thinks Wayland session is not available you ask? Because I
presume you have modesetting disabled, because installation or update
for nvidia
https://bugzilla.gnome.org/781075
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Title:
Xorg does not detect displays in rootless mode on nvidia proprietary
drivers (GNOME)
To manage
Hm, this makes sense.
Maybe, after xorg/nvidia driver detects monitors as root (calling "sudo
startx" from the console, has the same effect as running lightdm) they
are cached somewhere, or maybe Xorg/nvidia driver changes permissions,
so rootless Xorg cann then detect monitors in following
The following line is a bit suspicious
>Mär 21 20:10:20 arvlin /usr/lib/gdm3/gdm-x-session[3618]: (II)
>systemd-logind: releasing fd for 226:0
afair that would mean the Xorg/nvidia driver no longer has access to GPU
once NVIDIA is trying to load/detect monitors, however strangely its
also
** Attachment added: "xorg_after_lightdm.txt"
https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1672033/+attachment/4841880/+files/xorg_after_lightdm.txt
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Here you go:
** Attachment added: "logind.txt"
https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1672033/+attachment/4841878/+files/logind.txt
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** Attachment added: "xorg_faileed_monitor_detect.txt"
https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1672033/+attachment/4841879/+files/xorg_faileed_monitor_detect.txt
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Igor, can you post full logs from Xorg, and also any systemd-logind logs
from journalctl.
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Title:
Xorg does not detect displays in rootless mode
(before your workaround)
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Title:
Xorg does not detect displays in rootless mode on nvidia proprietary
drivers (GNOME)
To manage notifications
xrandr output in rootless session:
igor:~% ps aux | grep Xorg
igor 3779 3.2 0.0 199348 51332 tty3 S+ 15:49 0:00
/usr/lib/xorg/Xorg vt3 -displayfd 3 -auth /run/user/1000/gdm/Xauthority
-background none -noreset -keeptty -verbose 3
igor:~% xrandr -q
Screen 0: minimum 8 x 8,
I don't have hybrid graphics. It's a normal desktop.
Yes, lightdm is working with KMS enabled and it is possible to log in
into gnome-shell Xorg session.
But lightdm is started as root:
root 10867 0.0 0.0 361724 6620 ?SLsl 15:41 0:00
/usr/sbin/lightdm
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Also does lightdm work with KMS enabled for logging into gnome-shell
session?
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Title:
Xorg does not detect displays in rootless mode on nvidia
what hardware are you running? I recall some hybrid laptops fail to
advertise a "primary" display. what is the output of "xrandr -q" in a
working root-less X session?
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** Summary changed:
- Xorg does not work in rootless mode on nvidia proprietary drivers (GNOME)
+ Xorg does not detect displays in rootless mode on nvidia proprietary drivers
(GNOME)
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