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[SOLVED] LightDM fails to start Xfce (dbus error)
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msum
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Joined: 10 Mar 2017
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PostPosted: Fri Mar 10, 2017 10:14 pm    Post subject: [SOLVED] LightDM fails to start Xfce (dbus error) Reply with quote

Hello there, I have just installed Gentoo with systemd and came across a first newbie problem.

When I'm using LightDM to start an Xfce session, I get the following error message as dialog box:
Code:
Failed to connect to socket /tmp/dbus-4igzlKlXM5: Connection refused


Then it briefly shows the Xfce splash screen, returns to LightDM background (without the login prompt) and nothing happens. However, if I disable LightDM, log in in the text mode and launch `startxfce4` from there, everything works.

I would appreciate any help.

[Moderator edit: changed [quote] tags to [code] tags to preserve output layout. -Hu]


Last edited by msum on Sun Mar 12, 2017 11:53 pm; edited 1 time in total
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Kurmis
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Joined: 04 Jun 2010
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Location: LV

PostPosted: Sun Mar 12, 2017 2:25 pm    Post subject: Reply with quote

Did U not forget to add dbus with rc-update ?
On mine gentoo it looks so :
Code:
rc-update | grep "dbus\|udev"
                 dbus |      default                           
                 udev |                                 sysinit
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msum
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PostPosted: Sun Mar 12, 2017 5:38 pm    Post subject: Reply with quote

I'm using systemd, so as far as I understand, I don't have to do anything with `rc-*`?
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Logicien
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PostPosted: Sun Mar 12, 2017 6:05 pm    Post subject: Reply with quote

Is the X , systemd and dbus USE flags are set globally in /etc/portage/make.conf or in the output of emerge --info? Have-you set the good profile with eselect?

You can open a virtual terminal session in /dev/tty1 as a normal user and execute the startx command to see if Xorg start normally because, without X, I think that Dbus will not work for graphical applications like Lightdm. Be sure that Xorg do not miss anything to work properly.

Dbus is started statically by Systemd. Do
Code:
systemctl status dbus.service

to verify if it is active, it's status and his messages.
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msum
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PostPosted: Sun Mar 12, 2017 11:52 pm    Post subject: Reply with quote

Logicien wrote:
Is the X , systemd and dbus USE flags are set globally in /etc/portage/make.conf or in the output of emerge --info?

Yes.

Logicien wrote:
Have-you set the good profile with eselect?

I'm not sure which one is right - there was no "systemd/desktop" one, only specific ones for GNOME and KDE desktops, so I selected just "systemd", without "desktop".

Logicien wrote:
You can open a virtual terminal session in /dev/tty1 as a normal user and execute the startx command to see if Xorg start normally because, without X, I think that Dbus will not work for graphical applications like Lightdm. Be sure that Xorg do not miss anything to work properly.

I followed the instructions on https://wiki.gentoo.org/wiki/Xorg/Guide and installed x11-wm/twm and x11-terms/xterm in order to get `startx` working. Now X works fine and so does LightDM. This page is a bit misleading though, I thought I don't need those once I install a proper DE, so I skipped this step. Anyway, thanks for help!
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