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Date: Mon, 24 Jul 2017 18:04:05 +0200 (CEST)
From: Walid MOGHRABI <w.moghrabi@servicemagic.eu>
To: Ulrich Sibiller <uli42@gmx.de>
Cc: 1197@bugs.x2go.org
Message-ID: <216582817.5151612.1500912245252.JavaMail.root@servicemagic.eu>
In-Reply-To: <CANVnVYJ75A_yXE4gshAD5FatWKatKoCakX57o1rnTf9av0YwgQ@mail.gmail.com>
Subject: Re: [X2Go-Dev] Bug#1197: Multihead fullscreen not working with TCE
 client in displaymanager mode
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Doesn't seems to be this ... here is the output (truncated) from the TCE an=
d from my laptop ... they are very similar :

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
TCE output
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
name of display:    :0
version number:    11.0
vendor string:    The X.Org Foundation
vendor release number:    11804000
X.Org version: 1.18.4
maximum request size:  16777212 bytes
motion buffer size:  256
bitmap unit, bit order, padding:    32, LSBFirst, 32
image byte order:    LSBFirst
number of supported pixmap formats:    7
supported pixmap formats:
    depth 1, bits_per_pixel 1, scanline_pad 32
    depth 4, bits_per_pixel 8, scanline_pad 32
    depth 8, bits_per_pixel 8, scanline_pad 32
    depth 15, bits_per_pixel 16, scanline_pad 32
    depth 16, bits_per_pixel 16, scanline_pad 32
    depth 24, bits_per_pixel 32, scanline_pad 32
    depth 32, bits_per_pixel 32, scanline_pad 32
keycode range:    minimum 8, maximum 255
focus:  window 0x600005, revert to Parent
number of extensions:    29
    BIG-REQUESTS
    Composite
    DAMAGE
    DOUBLE-BUFFER
    DPMS
    DRI2
    GLX
    Generic Event Extension
    MIT-SCREEN-SAVER
    MIT-SHM
    Present
    RANDR
    RECORD
    RENDER
    SECURITY
    SGI-GLX
    SHAPE
    SYNC
    X-Resource
    XC-MISC
    XFIXES
    XFree86-DGA
    XFree86-VidModeExtension
    XINERAMA
    XInputExtension
    XKEYBOARD
    XTEST
    XVideo
    XVideo-MotionCompensation
default screen number:    0
number of screens:    1

screen #0:
  dimensions:    3840x1080 pixels (1016x285 millimeters)
  resolution:    96x96 dots per inch
  depths (7):    24, 1, 4, 8, 15, 16, 32
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D



=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
Laptop output
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
name of display:    :0
version number:    11.0
vendor string:    The X.Org Foundation
vendor release number:    11804000
X.Org version: 1.18.4
maximum request size:  16777212 bytes
motion buffer size:  256
bitmap unit, bit order, padding:    32, LSBFirst, 32
image byte order:    LSBFirst
number of supported pixmap formats:    7
supported pixmap formats:
    depth 1, bits_per_pixel 1, scanline_pad 32
    depth 4, bits_per_pixel 8, scanline_pad 32
    depth 8, bits_per_pixel 8, scanline_pad 32
    depth 15, bits_per_pixel 16, scanline_pad 32
    depth 16, bits_per_pixel 16, scanline_pad 32
    depth 24, bits_per_pixel 32, scanline_pad 32
    depth 32, bits_per_pixel 32, scanline_pad 32
keycode range:    minimum 8, maximum 255
focus:  window 0x6e0686a, revert to Parent
number of extensions:    29
    BIG-REQUESTS
    Composite
    DAMAGE
    DOUBLE-BUFFER
    DPMS
    DRI2
    DRI3
    GLX
    Generic Event Extension
    MIT-SCREEN-SAVER
    MIT-SHM
    Present
    RANDR
    RECORD
    RENDER
    SECURITY
    SGI-GLX
    SHAPE
    SYNC
    X-Resource
    XC-MISC
    XFIXES
    XFree86-DGA
    XFree86-VidModeExtension
    XINERAMA
    XInputExtension
    XKEYBOARD
    XTEST
    XVideo
default screen number:    0
number of screens:    1

screen #0:
  dimensions:    3840x1080 pixels (1016x286 millimeters)
  resolution:    96x96 dots per inch
  depths (7):    24, 1, 4, 8, 15, 16, 32
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

What is strange is that in both cases, here is only one screen detected whi=
ch aggregates both monitors.=09


Regards,
Walid Moghrabi

TRAVAUX.COM
BAT I - PARC CEZANNE 2 290 AVENUE GALILEE - CS 80403
13591 AIX EN PROVENCE CEDEX 3

----- Mail original -----=20

De: "Ulrich Sibiller" <uli42@gmx.de>=20
=C3=80: "Walid MOGHRABI" <w.moghrabi@servicemagic.eu>, 1197@bugs.x2go.org=
=20
Envoy=C3=A9: Lundi 24 Juillet 2017 16:23:20=20
Objet: Re: [X2Go-Dev] Bug#1197: Multihead fullscreen not working with TCE c=
lient in displaymanager mode=20

I suspect the X server in TCE does not offer proper XINERAMA support.=20
So nxagent does not know about multiple monitors. You can check with=20
xdpyinfo -ext XINERAMA on the TCE X server (don't know how to access=20
that.)=20

On Mon, Jul 24, 2017 at 3:16 PM, Walid MOGHRABI=20
<w.moghrabi@servicemagic.eu> wrote:=20
> Package: x2gothinclient=20
> Version: 4.1.0.0-2017.03.11=20
>=20
> Using latest Arctica's NX-Libs xrandr support is far better and multihead=
 support in fullscreen mode with the Linux x2goclient works like a charm.=
=20
> For example, with MATE, the panels are restricted to the first screen and=
 the second one is acting like a real secondary screen in extended desktop =
mode with working boundaries when putting applications in fullscreen (ie. t=
hey don't extend to the whole display as before but they are restricted to =
their including screen).=20
>=20
> So with the Linux client installed on a desktop (I'm personaly using Ubun=
tu 16.04 + Unity desktop) it works great whereas, in TCE / Displaymanager m=
ode, multiple monitors are supported but the desktop is stretched as if it =
was only one big screen and not 2 separated screens.=20
>=20
> Any idea why, using the same base OS and libs (Ubuntu 16.04 + X2Go client=
 "Heuler" + Arctica libs) I get different multiscreen support ?=20
> I think this is related to randr support but I don't know what differs an=
d why it behaves differently on one case and the other.=20
>=20
> Regards,=20
> Walid Moghrabi=20
>=20
> TRAVAUX.COM=20
> BAT I - PARC CEZANNE 2 290 AVENUE GALILEE - CS 80403=20
> 13591 AIX EN PROVENCE CEDEX 3=20
> ---=20
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 replying to it and then destroy it. If you are not the intended recipient =
you must not use, disclose, distribute, copy, print or rely on this e-mail =
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