Re: [gnome-flashback] gnome-sessions on Ubuntu 15.10+

[Eugene San <eugenesan gmail com>]

X2GO is a remote X solution. For purpose of this thread it should be seen as a regular X server.

I've also validated that VNC server behaves exactly the same.

I am attaching X startup script and session log with hope someone can help.

Can somebody tell me if login managers doing anything special regarding session setup? What can be the difference between starting session in bare X and via login manager?

Regards.

On Mon, Dec 14, 2015 at 11:02 AM, Alberts Muktupāvels <alberts muktupavels gmail com> wrote:

Hi,

On Mon, Dec 14, 2015 at 5:09 AM, Eugene San <eugenesan gmail com> wrote:

Hi all.

--- This is a re-post of help-request posted on x2go-dev (http://lists.x2go.org/pipermail/x2go-dev/2015-December/010772.html). I think this maillist is relevant too. ---

I am trying to fix gnome sessions (gnome flashback) on Ubuntu 15.10+.

What exactly you are trying to fix? I don't know anything about x2go... Maybe others can help you.

 I started with fixing session name (flashback -> flashback-metacity) and disabling acceleration check (--disable-acceleration-check), but the sessions are still broken, they start as a black screen and crashes after few minutes.

Correct session name is 'gnome-flashback-metacity'. Also I would suggest to add '--debug' to get log that might be useful.

Logs are inconclusive.
I guess services are failing to start and the problem is related to recent systemd-user-init and upstart mixture for sessions start-up.

Can anyone educate me how exactly the sessions are starting in recent releases and where the problem might be?

Is XDG_CURRENT_DESKTOP set to 'GNOME-Flashback:GNOME'? In ubuntu case 'GNOME-Flashback:Unity'. Without this gnome-panel and gnome-flashback (as minimum) will not be started. In this case gnome-session will tell that applications are disabled if started with --debug:

app-id:gnome-panel.desktop is-disabled:1
...

On Sun, Dec 13, 2015 at 8:11 PM, Eugene San <eugenesan gmail com> wrote:

Hi all.
I am trying to fix gnome sessions (gnome flashback) on Ubuntu 15.10+.

I started with fixing session name (flashback -> flashback-metacity) and disabling acceleration check (--disable-acceleration-check), but the sessions are still broken, they start as a black screen and crashes after few minutes.

Logs are inconclusive.
I guess services are failing to start and the problem is related to recent systemd-user-init and upstart mixture for sessions start-up.

Can anyone educate me how exactly the sessions are starting in recent releases and where the problem might be?

Thanks.

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--

Alberts Muktupāvels

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