[X2Go-User] x2goclient on xubuntu 14.10 mini pc with arm processor , menus and icons not displayed

[Geir Sannes]

I have installed x2goclient V 4.0.2.1(Qt - 4.8.6) with os xubuntu 14.10
and used x2goclient to logon to a linux server with Fedora linux v 22. I
am able to logon without problems, but the top menu is not displayed. I
am just able to see the background picture. I am further not able to for
example rightclick the mouse to display menu. Xubuntu installed on a
cloudsto mk902 

mini pc with CPU - Rockchip RK3188 Quad Core (Cortex A9 Quad Core upto
1.6GHz) cpu. 

I am however able to workaround the problem by first starting an
x2goclient session from for example a windows platform or from a memory
stick with the ubuntu os, and then just close the session without logout
clicking x in the top right corner of the screen. Resuming this session
from the xubuntu mini pc, I do get the menu displayed correctly even
though the colors get a little distorted. 

I have compared processes running starting a session from the xubuntu pc
with no menu displayed as compared to a session in which the menu is
displayed correctly, and it seems like processes have not been started
when no menu is displayed, for example the following processes: 

xfwm4
/usr/lib64/xfce4/panel/wrapper
/usr/lib64/xfce4/panel/plugins/libactions.so 2 14680095 actions
Handlingknapper Logg ut, lås eller andre systemvalg
/usr/lib64/xfce4/panel/wrapper
/usr/lib64/xfce4/panel/plugins/libsystray.so 6 14680097 systray
Systemkurv Område som viser beskjedikoner 

Any ideas as to what is causing this problem and a solution to problem? 

Error messages in the .xsession-x2go-errors log: 

(xfwm4:27814): xfwm4-WARNING **: The display does not support the
XComposite extension. 

(xfwm4:27814): xfwm4-WARNING **: The display does not support the XFixes
extension. 

(xfwm4:27814): xfwm4-WARNING **: Compositing manager disabled. 

(xfsettingsd:27847): xfsettingsd-CRITICAL **: Your XI is too old (1.3)
version 1.4 is required. 

(xfwm4:27814): GLib-CRITICAL **: g_str_has_prefix: assertion 'prefix !=
NULL' failed
xfce4-panel-migrate-Message: Panel config needs migration...
xfce4-panel-migrate-Message: Panel configuration has been updated. 

(xfwm4:27814): xfwm4-WARNING **: The property
'/general/double_click_distance' of type int is not supported
xfce4-panel-Message: Plugin "xfce4-mixer-plugin-15" was not found and
has been removed from the configuration 

(xfdesktop:27822): GLib-GIO-CRITICAL **: g_file_get_path: assertion
'G_IS_FILE (file)' failed 

(xfdesktop:27822): GLib-GIO-CRITICAL **: g_file_get_path: assertion
'G_IS_FILE (file)' failed 

(xfdesktop:27822): GLib-GIO-CRITICAL **: g_file_get_path: assertion
'G_IS_FILE (file)' failed 

(wrapper:27888): xfconf-WARNING **: Failed to set property
"xfce4-panel::/plugins/plugin-6/names-visible": Permission denied while
modifying property "/plugins/plugin-6/names-visible" on channel
"xfce4-panel" 

(wrapper:27888): GLib-GObject-WARNING **: gsignal.c:3108: signal id
'115' does not support detail (668) 

(wrapper:27888): Gdk-ERROR **: The program 'wrapper' received an X
Window System error.
This probably reflects a bug in the program.
The error was 'BadWindow (invalid Window parameter)'.
 (Details: serial 256 error_code 3 request_code 4 minor_code 0)
 (Note to programmers: normally, X errors are reported asynchronously;
 that is, you will receive the error a while after causing it.
 To debug your program, run it with the --sync command line
 option to change this behavior. You can then get a meaningful
 backtrace from your debugger if you break on the gdk_x_error()
function.)
xfce4-panel-Message: Plugin "xfce4-mixer-plugin-15" was not found and
has been removed from the configuration 

(wrapper:27999): xfconf-WARNING **: Failed to set property
"xfce4-panel::/plugins/plugin-6/names-visible": Permission denied while
modifying property "/plugins/plugin-6/names-visible" on channel
"xfce4-panel" 

(wrapper:27999): GLib-GObject-WARNING **: gsignal.c:3108: signal id
'115' does not support detail (668) 

Error messages found in the /var/log/messages file on x2go server
related to problem: 

Jun 18 13:07:03 unmundo kernel: [32672.635951] panel-2-actions[32099]:
segfault at 0 ip 00007f8f566a5abe sp 00007ffd8df6d390 error 4 in
libXrender.so.1.3.0[7f8f566a1000+9000]
Jun 18 13:07:03 unmundo kernel: [32672.649687] xfce4-panel[32006]:
segfault at 0 ip 00007fab64618abe sp 00007ffc8dd965c0 error 4
Jun 18 13:07:03 unmundo kernel: [32672.649701] panel-6-systray[32097]:
segfault at 0 ip 00007fac4b198abe sp 00007ffc643722e0 error 4 in
libXrender.so.1.3.0[7fac4b194000+9000]
Jun 18 13:07:03 unmundo kernel: [32672.649704] in
libXrender.so.1.3.0[7fab64614000+9000] 

Regards 

g.s. 

 
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