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Re: [gnome-flashback] Issues starting GNOME Flashback 3.16 jhbuild sessions

On Sat, Nov 8, 2014 at 11:25 PM, Michael DePaulo <mikedep333 gmail com> wrote:

On Sat, Nov 8, 2014 at 9:05 PM, Alberts Muktupāvels
<alberts muktupavels gmail com> wrote:

Looks like metacity is problem. It fails to find 'window' and
'gtk-missing-image'.

Could you try by patching metacity?
https://git.gnome.org/browse/metacity/tree/src/ui/ui.c#n599

Change 'gtk-missing-image' to 'image-missing'. Or remove

Maybe you have missing something installed? How did you build flashback
session?


Via jhbuild. I assume that these failed modules are not a problem
unless you need epiphany.

*** the following modules were not built *** [177/177]
WebKit epiphany meta-gnome-core-utilities meta-gnome-core

Anyway, we're making more progress!

After I installed this package:
gnome-icon-theme-legacy-3.12.0-2.fc21.noarch

I then got this as my flashback metacity session:
http://imgur.com/gmt2wwt

The bottom panel seems to respond to mouse clicks. For example, I can
left-click or right-click on the workspace switcher, and it behaves as
it should.

I then installed these packages, but they did not seem to help.

gnome-icon-theme-extras-3.12.0-2.fc21.noarch
gnome-icon-theme-symbolic-3.12.0-2.fc21.noarch

I've attached my user log after installing all 3 packages.

And I've updated the WIP wiki page about gnome-icon-theme-legacy.
https://wiki.gnome.org/Projects/GnomeFlashback/JHBuild/3.16

-Mike


Hurray! I fixed it by running this command to reset the gnome-panel settings:

jhbuild run dconf reset -f /org/gnome/gnome-panel/

This is what a metacity session looks like now:
http://imgur.com/WPctaoQ,YOPM467#1
http://imgur.com/WPctaoQ,YOPM467#0


From a development perspective, I guess the next step is to find out

why XDG_CURRENT_DESKTOP is being set to GNOME.

Also, the compiz session still results in the fail whale. I'll send
another reply about that.

-Mike





On Sun, Nov 9, 2014 at 3:29 AM, Michael DePaulo <mikedep333 gmail com>
wrote:


On Sat, Nov 8, 2014 at 1:10 PM, Alberts Muktupāvels
<alberts muktupavels gmail com> wrote:



On Sat, Nov 8, 2014 at 7:12 PM, Michael DePaulo <mikedep333 gmail com>
wrote:


On Sat, Nov 8, 2014 at 10:10 AM, Alberts Muktupāvels
<alberts muktupavels gmail com> wrote:



On Sat, Nov 8, 2014 at 4:48 PM, Mike DePaulo <mikedep333 gmail com>
wrote:


Hi, see inline responses,

On 11/07/14 08:56, Alberts Muktupāvels wrote:

Hi,

1. can you try changing last line in script files to this?
exec ${GNOME}/bin/gnome-session
--session=gnome-flashback-[compiz/metacity]

2. also I have this before export:
unset DBUS_SESSION_BUS_ADDRESS


I made both changes. I still have the grey screen for metacity and
the
fail
whale for compiz. And I do not see any logging.



Did you add --debug (if you just made copy & paste)? Otherwise I have
no
idea why you don't get any debug messages, it should be in
~/.xsession-errors.


Yeah, that is what I was expecting. The file did not exist. I created
it manually, yet it is still empty, even after rebooting the VM and
starting a session again.

Maybe Fedora 21 prevents output to this file by default? I will look
into
it.



$XDG_CACHE_HOME/gdm/session.log

Does this file exist?


No, but I figured out the problem with logging. :)

These logs are now handled by journald. I need to run journalctl commands.

I've attached my user log for a metacity session with and without
gnome-session having been passed "--debug".

I've also attached the entire system + user log since I last booted
("system journalctl --boot.txt"). You should be able to grep it easily
for gdm log entries.








Grey screen probably means that required components are not
started.
What
DM you use for testing?


I am using gdm from Fedora 21.

When I start a metacity session as the user "batmin", these are the
processes I see running. It appears that not all the components
specified in

${GNOME}/share/gnome-session/sessions/gnome-flashback-metacity.session
are running.



Show output of:
echo $XDG_CURRENT_DESKTOP


I cannot launch gnome-terminal under the session because there is no
applications menu. However, I viewed /proc/2366/environ (PID 2365 is
gnome-settings-daemon) and this is set:

XDG_CURRENT_DESKTOP=GNOME



What GDM version do you have? It should work with 3.12.1 or newer.


"yum info gdm" says:
Version     : 3.14.1
Release     : 1.fc21



Are you sure that you start correct session? Maybe update
gnome-jhbuild-session-flashback-metacity script to add extra environment
variable (if there is some way to see it later), for example:
export MY_TEST_VARIABLE="test..."


That test works. I put it before the exec line.


Or just make that script to create empty file in your home dir.


That test also works. I put it before the exec line.


it should be - GNOME-Flashback:GNOME. If it is not then this is
problem.
GDM
should set this from DesktopNames if version is 3.14. You can
workaround
this by removing ShowOnlyIn=GNOME-Flashback from gnome-panel,
gnome-flashback-init, gnome-flashback .desktop files.


We're making progress! I removed that line from those 3 files. Now
when I launch a metacity session, I see the desktop wallpaper and
gnome-panel for a split second. Then I get the fail whale.

Still no .xsession-errors output though.



You need to find file where errors are logged to see why session crash.



-Mike


mike fedora-21:~ :( [8] $ ps -ef | grep -i 'gnome\|metacity'
batmin    1632     1  0 09:35 ?        00:00:00
/usr/bin/gnome-keyring-daemon --daemonize --login
batmin    1667  1606  0 09:35 ?        00:00:00
/home/batmin/jhbuild/install/bin/gnome-session
--session=gnome-flashback-metacity
batmin    1692  1667  0 09:35 ?        00:00:00 /usr/bin/ssh-agent
/bin/sh
-c exec -l /bin/bash -c
"/usr/local/bin/gnome-jhbuild-session-flashback-metacity"
batmin    1709     1  0 09:35 ?        00:00:00 dbus-launch
--exit-with-session /home/batmin/jhbuild/install/bin/gnome-session
--session=gnome-flashback-metacity
batmin    1722     1  0 09:35 ?        00:00:00
/home/batmin/jhbuild/install/libexec/at-spi2-registryd
--use-gnome-session
batmin    1733  1667  0 09:35 ?        00:00:00
/home/batmin/jhbuild/install/libexec/gnome-settings-daemon
batmin    1756  1667  0 09:35 ?        00:00:00 metacity
mike      1962  1533  0 09:38 pts/0    00:00:00 grep --color=auto -i
gnome\|metacity

-Mike



On Fri, Nov 7, 2014 at 3:40 PM, Michael DePaulo
<mikedep333 gmail com>
wrote:


Hi, after successfully building GNOME Flashback's 3.16 branch
with
jhbuild on Fedora 21 64-bit, I am now able to launch a GNOME
jhbuild
session. However, I am unable to launch a GNOME Flashback Compiz
jhbuild sesion or a GNOME Flashback Metacity jhbuild session.

A Metacity session is just a grey screen.
A Compiz session is the fail whale.

I've attached my .desktop files from /usr/share/xsessions/ and my
scripts from /usr/local/bin/ (no file extensions.) However,
despite
passing --debug to gnome-session, I do not see the debug output
anywhere. Is there a way for me to collect it?

-Mike

[...]

Alberts Muktupāvels
[...]

--
Alberts Muktupāvels

[...]

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--
Alberts Muktupāvels

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