passage

Bonjour,

Comme si mes problème avec nvidia ne me suffisait pas, j'ai effectué
hier une mise à jour de Wheezy vers Jessie d'une machine équipée AMD.

Après avoir bien suivi les instructions données lors de la mise à jour
(remplacement des pilotes constructeur par radeon libre donc apt-get
remove --purge fglrx-driver), le système démarre gdm3 commence et
termine immédiatement par le message "Oh No, something went wrong,
logout !".

Bon pour faire simple c'est GLX qui n'était pas opérationnel : il
restait des packets fglrx...

Une fois ligthdm et mate installés (qui fonctionnent aussi sans
accélération), j'ai réussi à relancer gnome-3.

Cependant je ne comprends pas "la perte" du second écran, c'est
certainement un défaut de configuration sur le xorg.conf, mais je ne
comprends pas comment effectuer le lien entre ce que "raconte" le log de
xorg et la confuration à mettre.

Dans le log de xorg, je vois bien deux défintion d'écrans :
un (connecté en VGA) qui va jusqu'à 1280x1024

[ 2000.228] (II) VESA(0): VESA VBE DDC supported
[ 2000.228] (II) VESA(0): VESA VBE DDC Level 2
[ 2000.228] (II) VESA(0): VESA VBE DDC transfer in appr. 1 sec.
[ 2000.231] (II) VESA(0): VESA VBE DDC read successfully
[ 2000.231] (II) VESA(0): Manufacturer: ACI Model: 22d1 Serial#:
16843009
[ 2000.231] (II) VESA(0): Year: 2013 Week: 36
[ 2000.231] (II) VESA(0): EDID Version: 1.3
[ 2000.231] (II) VESA(0): Digital Display Input
[ 2000.231] (II) VESA(0): Max Image Size [cm]: horiz.: 48 vert.: 27
[ 2000.231] (II) VESA(0): Gamma: 2.20
[ 2000.231] (II) VESA(0): DPMS capabilities: StandBy Suspend Off
[ 2000.231] (II) VESA(0): Supported color encodings: RGB 4:4:4 YCrCb
4:4:4
[ 2000.231] (II) VESA(0): First detailed timing is preferred mode
[ 2000.231] (II) VESA(0): redX: 0.646 redY: 0.332 greenX: 0.331
greenY: 0.625
[ 2000.231] (II) VESA(0): blueX: 0.156 blueY: 0.051 whiteX: 0.313
whiteY: 0.329
[ 2000.231] (II) VESA(0): Supported established timings:
[ 2000.231] (II) VESA(0): 720x400@70Hz
[ 2000.231] (II) VESA(0): 640x480@60Hz
[ 2000.231] (II) VESA(0): 640x480@67Hz
[ 2000.231] (II) VESA(0): 640x480@72Hz
[ 2000.231] (II) VESA(0): 640x480@75Hz
[ 2000.231] (II) VESA(0): 800x600@56Hz
[ 2000.231] (II) VESA(0): 800x600@60Hz
[ 2000.231] (II) VESA(0): 800x600@72Hz
[ 2000.231] (II) VESA(0): 800x600@75Hz
[ 2000.231] (II) VESA(0): 832x624@75Hz
[ 2000.231] (II) VESA(0): 1024x768@60Hz
[ 2000.231] (II) VESA(0): 1024x768@70Hz
[ 2000.231] (II) VESA(0): 1024x768@75Hz
[ 2000.231] (II) VESA(0): 1280x1024@75Hz
[ 2000.231] (II) VESA(0): Manufacturer's mask: 0
[ 2000.231] (II) VESA(0): Supported standard timings:
[ 2000.231] (II) VESA(0): #0: hsize: 1152 vsize 864 refresh: 75 vid:
20337
[ 2000.231] (II) VESA(0): #1: hsize: 1280 vsize 1024 refresh: 60
vid: 32897
[ 2000.231] (II) VESA(0): #2: hsize: 1280 vsize 960 refresh: 60 vid:
16513
[ 2000.231] (II) VESA(0): #3: hsize: 1440 vsize 900 refresh: 60 vid:
149
[ 2000.231] (II) VESA(0): #4: hsize: 1600 vsize 1200 refresh: 60
vid: 16553
[ 2000.231] (II) VESA(0): #5: hsize: 1680 vsize 1050 refresh: 60
vid: 179
[ 2000.231] (II) VESA(0): #6: hsize: 1920 vsize 1080 refresh: 60
vid: 49361
[ 2000.231] (II) VESA(0): Supported detailed timing:

et l'autre (connecté en DVI) :
[ 2000.231] (II) VESA(0): Monitor name: VK228
[ 2000.231] (II) VESA(0): Serial No: D9LMQS019288
[ 2000.231] (II) VESA(0): EDID (in hex):
[ 2000.231] (II) VESA(0): 00ffffffffffff000469d12201010101
[ 2000.231] (II) VESA(0): 2417010380301b78ea8c05a55554a028
[ 2000.231] (II) VESA(0): 0d5054bfef00714f818081409500a940
[ 2000.231] (II) VESA(0): b300d1c00101023a801871382d40582c
[ 2000.231] (II) VESA(0): 4500dd0c1100001e000000fd00324c1e
[ 2000.231] (II) VESA(0): 5311000a202020202020000000fc0056
[ 2000.231] (II) VESA(0): 4b3232380a20202020202020000000ff
[ 2000.232] (II) VESA(0): 0044394c4d51533031393238380a0036
[ 2000.232] (II) VESA(0): EDID vendor "ACI", prod id 8913
[ 2000.232] (II) VESA(0): Using EDID range info for horizontal sync
[ 2000.232] (II) VESA(0): Using EDID range info for vertical refresh
[ 2000.232] (II) VESA(0): Printing DDC gathered Modelines:
[ 2000.232] (II) VESA(0): Modeline "1920x1080"x0.0 148.50 1920 2008
2052 2200 1080 1084 1089 1125 +hsync +vsync (67.5 kHz eP)
[ 2000.232] (II) VESA(0): Modeline "800x600"x0.0 40.00 800 840 968
1056 600 601 605 628 +hsync +vsync (37.9 kHz e)
[ 2000.232] (II) VESA(0): Modeline "800x600"x0.0 36.00 800 824 896
1024 600 601 603 625 +hsync +vsync (35.2 kHz e)
[ 2000.232] (II) VESA(0): Modeline "640x480"x0.0 31.50 640 656 720
840 480 481 484 500 -hsync -vsync (37.5 kHz e)
[ 2000.232] (II) VESA(0): Modeline "640x480"x0.0 31.50 640 664 704
832 480 489 492 520 -hsync -vsync (37.9 kHz e)
[ 2000.232] (II) VESA(0): Modeline "640x480"x0.0 30.24 640 704 768
864 480 483 486 525 -hsync -vsync (35.0 kHz e)
[ 2000.232] (II) VESA(0): Modeline "640x480"x0.0 25.18 640 656 752
800 480 490 492 525 -hsync -vsync (31.5 kHz e)
[ 2000.232] (II) VESA(0): Modeline "720x400"x0.0 28.32 720 738 846
900 400 412 414 449 -hsync +vsync (31.5 kHz e)
[ 2000.232] (II) VESA(0): Modeline "1280x1024"x0.0 135.00 1280 1296
1440 1688 1024 1025 1028 1066 +hsync +vsync (80.0 kHz e)
[ 2000.232] (II) VESA(0): Modeline "1024x768"x0.0 78.75 1024 1040
1136 1312 768 769 772 800 +hsync +vsync (60.0 kHz e)
[ 2000.232] (II) VESA(0): Modeline "1024x768"x0.0 75.00 1024 1048
1184 1328 768 771 777 806 -hsync -vsync (56.5 kHz e)
[ 2000.232] (II) VESA(0): Modeline "1024x768"x0.0 65.00 1024 1048
1184 1344 768 771 777 806 -hsync -vsync (48.4 kHz e)
[ 2000.232] (II) VESA(0): Modeline "832x624"x0.0 57.28 832 864 928
1152 624 625 628 667 -hsync -vsync (49.7 kHz e)
[ 2000.232] (II) VESA(0): Modeline "800x600"x0.0 49.50 800 816 896
1056 600 601 604 625 +hsync +vsync (46.9 kHz e)
[ 2000.232] (II) VESA(0): Modeline "800x600"x0.0 50.00 800 856 976
1040 600 637 643 666 +hsync +vsync (48.1 kHz e)
[ 2000.232] (II) VESA(0): Modeline "1152x864"x0.0 108.00 1152 1216
1344 1600 864 865 868 900 +hsync +vsync (67.5 kHz e)
[ 2000.232] (II) VESA(0): Modeline "1280x1024"x0.0 108.00 1280 1328
1440 1688 1024 1025 1028 1066 +hsync +vsync (64.0 kHz e)
[ 2000.232] (II) VESA(0): Modeline "1280x960"x0.0 108.00 1280 1376
1488 1800 960 961 964 1000 +hsync +vsync (60.0 kHz e)
[ 2000.232] (II) VESA(0): Modeline "1440x900"x0.0 88.75 1440 1488
1520 1600 900 903 909 926 +hsync -vsync (55.5 kHz e)
[ 2000.232] (II) VESA(0): Modeline "1600x1200"x0.0 162.00 1600 1664
1856 2160 1200 1201 1204 1250 +hsync +vsync (75.0 kHz e)
[ 2000.232] (II) VESA(0): Modeline "1680x1050"x0.0 119.00 1680 1728
1760 1840 1050 1053 1059 1080 +hsync -vsync (64.7 kHz e)
[ 2000.232] (II) VESA(0): Modeline "1920x1080"x60.0 172.80 1920 2040
2248 2576 1080 1081 1084 1118 -hsync +vsync (67.1 kHz e)
[ 2000.232] (II) VESA(0): Searching for matching VESA mode(s):


En Wheezy, j’utilisais fglrx et j'ai un xorg.conf qui reprennait la
géométrie globale des deux écrans :
Section "Device"
Identifier "aticonfig-Device[0]-0"
Driver "fglrx"
BusID "PCI:0:1:0"
EndSection

Section "Screen"
Identifier "Default Screen"
DefaultDepth 24

SubSection "Display"
Virtual 3500 2000
# largeur 3200 = 1920 + 1280
# hauteur 1080 = max entre 1080 et 1024
EndSubSection
EndSection

En remettant seulement la section Screen => plus d'affichage...

Comment configurer xorg pour "récupérer" le second écran ?

Cordialement.

Yann.

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