Bug#614240: xserver-xorg-video-nouveau: Please provide an option to ignore invalid EDID

To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: Bug#614240: xserver-xorg-video-nouveau: Please provide an option to ignore invalid EDID
From: Carlo Stemberger <carlo.stemberger@gmail.com>
Date: Sun, 20 Feb 2011 17:40:04 +0100
Message-id: <[🔎] 20110220164004.2542.10585.reportbug@AMD>
Reply-to: Carlo Stemberger <carlo.stemberger@gmail.com>, 614240@bugs.debian.org
Package: xserver-xorg-video-nouveau
Version: 1:0.0.15+git20100329+7858345-5
Severity: wishlist
Tags: upstream

All is in the title.

This bug blocks #614225.

Regards,
Carlo

-- Package-specific info:
/var/lib/x11/X.roster does not exist.

/var/lib/x11/X.md5sum does not exist.

X server symlink status:
lrwxrwxrwx 1 root root 13 Nov 18  2009 /etc/X11/X -> /usr/bin/Xorg
-rwxr-xr-x 1 root root 1733468 Jan 12 04:50 /usr/bin/Xorg

/var/lib/x11/xorg.conf.roster does not exist.

VGA-compatible devices on PCI bus:
01:00.0 VGA compatible controller: nVidia Corporation NV5M64 [RIVA TNT2 Model 64/Model 64 Pro] (rev 15)

/var/lib/x11/xorg.conf.md5sum does not exist.

Xorg X server configuration file status:
-rw-r--r-- 1 root root 950 Oct 21 23:08 /etc/X11/xorg.conf

Contents of /etc/X11/xorg.conf:
Section "Monitor"
   # Block type: 2:0 3:fd
   # Block type: 2:0 3:fc
   Identifier "Acer AL2216W"
   VendorName "ACR"
   ModelName "Acer AL2216W"
   # Block type: 2:0 3:fd
   HorizSync 30-82
   VertRefresh 56-76
   # Max dot clock (video bandwidth) 210 MHz
   # Block type: 2:0 3:fc
   # Block type: 2:0 3:ff
   # DPMS capabilities: Active off:yes  Suspend:no  Standby:no

   Mode     "1680x1050"    # vfreq 60.495Hz, hfreq 65.879kHz
       DotClock    147.570000
       HTimings    1680 1784 1960 2240
       VTimings    1050 1053 1059 1089
       Flags    "+HSync" "-VSync"
   EndMode
   # Block type: 2:0 3:fd
   # Block type: 2:0 3:fc
   # Block type: 2:0 3:ff
EndSection

Section "Screen"
	Identifier	"Default Screen"
	Device		"nVidia Corporation NV5M64 [RIVA TNT2 Model 64/Model 64 Pro]"
	Monitor		"Acer AL2216W"
	DefaultDepth	24
	SubSection "Display"
		Modes		"1680x1050" "1280x960" "1280x800" "1152x864" "1024x768"
	EndSubSection
EndSection


Kernel version (/proc/version):
Linux version 2.6.32-5-686 (Debian 2.6.32-30) (ben@decadent.org.uk) (gcc version 4.3.5 (Debian 4.3.5-4) ) #1 SMP Wed Jan 12 04:01:41 UTC 2011

Xorg X server log files on system:
-rw-r--r-- 1 root root 25392 Nov 14 20:19 /var/log/Xorg.22.log
-rw-r--r-- 1 root root 26962 Jan 24 22:40 /var/log/Xorg.21.log
-rw-r--r-- 1 root root 59083 Feb 18 19:28 /var/log/Xorg.20.log
-rw-r--r-- 1 root root 24443 Feb 20 16:55 /var/log/Xorg.0.log

Contents of most recent Xorg X server log file
/var/log/Xorg.0.log:

X.Org X Server 1.7.7
Release Date: 2010-05-04
X Protocol Version 11, Revision 0
Build Operating System: Linux 2.6.32.28-dsa-ia32 i686 Debian
Current Operating System: Linux AMD 2.6.32-5-686 #1 SMP Wed Jan 12 04:01:41 UTC 2011 i686
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.32-5-686 root=UUID=560532ed-a1b4-46b8-b292-50555812d596 ro quiet splash
Build Date: 12 January 2011  03:44:48AM
xorg-server 2:1.7.7-11 (Cyril Brulebois <kibi@debian.org>) 
Current version of pixman: 0.16.4
	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Sun Feb 20 16:55:49 2011
(==) Using config file: "/etc/X11/xorg.conf"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
(==) No Layout section.  Using the first Screen section.
(**) |-->Screen "Default Screen" (0)
(**) |   |-->Monitor "Acer AL2216W"
(==) Automatically adding devices
(==) Automatically enabling devices
(WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
	Entry deleted from font path.
(==) FontPath set to:
	/usr/share/fonts/X11/misc,
	/usr/share/fonts/X11/100dpi/:unscaled,
	/usr/share/fonts/X11/75dpi/:unscaled,
	/usr/share/fonts/X11/Type1,
	/usr/share/fonts/X11/100dpi,
	/usr/share/fonts/X11/75dpi,
	/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType,
	built-ins
(==) ModulePath set to "/usr/lib/xorg/modules"
(II) The server relies on udev to provide the list of input devices.
	If no devices become available, reconfigure udev or disable AutoAddDevices.
(II) Loader magic: 0x81ecca0
(II) Module ABI versions:
	X.Org ANSI C Emulation: 0.4
	X.Org Video Driver: 6.0
	X.Org XInput driver : 7.0
	X.Org Server Extension : 2.0
(++) using VT number 7

(--) PCI:*(0:1:0:0) 10de:002d:0000:0000 nVidia Corporation NV5M64 [RIVA TNT2 Model 64/Model 64 Pro] rev 21, Mem @ 0xce000000/16777216, 0xca000000/33554432, BIOS @ 0x????????/65536
(II) Open ACPI successful (/var/run/acpid.socket)
(II) LoadModule: "extmod"
(II) Loading /usr/lib/xorg/modules/extensions/libextmod.so
(II) Module extmod: vendor="X.Org Foundation"
	compiled for 1.7.7, module version = 1.0.0
	Module class: X.Org Server Extension
	ABI class: X.Org Server Extension, version 2.0
(II) Loading extension SELinux
(II) Loading extension MIT-SCREEN-SAVER
(II) Loading extension XFree86-VidModeExtension
(II) Loading extension XFree86-DGA
(II) Loading extension DPMS
(II) Loading extension XVideo
(II) Loading extension XVideo-MotionCompensation
(II) Loading extension X-Resource
(II) LoadModule: "dbe"
(II) Loading /usr/lib/xorg/modules/extensions/libdbe.so
(II) Module dbe: vendor="X.Org Foundation"
	compiled for 1.7.7, module version = 1.0.0
	Module class: X.Org Server Extension
	ABI class: X.Org Server Extension, version 2.0
(II) Loading extension DOUBLE-BUFFER
(II) LoadModule: "glx"
(II) Loading /usr/lib/xorg/modules/extensions/libglx.so
(II) Module glx: vendor="X.Org Foundation"
	compiled for 1.7.7, module version = 1.0.0
	ABI class: X.Org Server Extension, version 2.0
(==) AIGLX enabled
(II) Loading extension GLX
(II) LoadModule: "record"
(II) Loading /usr/lib/xorg/modules/extensions/librecord.so
(II) Module record: vendor="X.Org Foundation"
	compiled for 1.7.7, module version = 1.13.0
	Module class: X.Org Server Extension
	ABI class: X.Org Server Extension, version 2.0
(II) Loading extension RECORD
(II) LoadModule: "dri"
(II) Loading /usr/lib/xorg/modules/extensions/libdri.so
(II) Module dri: vendor="X.Org Foundation"
	compiled for 1.7.7, module version = 1.0.0
	ABI class: X.Org Server Extension, version 2.0
(II) Loading extension XFree86-DRI
(II) LoadModule: "dri2"
(II) Loading /usr/lib/xorg/modules/extensions/libdri2.so
(II) Module dri2: vendor="X.Org Foundation"
	compiled for 1.7.7, module version = 1.1.0
	ABI class: X.Org Server Extension, version 2.0
(II) Loading extension DRI2
(==) Matched nouveau as autoconfigured driver 0
(==) Matched nv as autoconfigured driver 1
(==) Matched vesa as autoconfigured driver 2
(==) Matched fbdev as autoconfigured driver 3
(==) Assigned the driver to the xf86ConfigLayout
(II) LoadModule: "nouveau"
(II) Loading /usr/lib/xorg/modules/drivers/nouveau_drv.so
(II) Module nouveau: vendor="X.Org Foundation"
	compiled for 1.7.7, module version = 0.0.15
	Module class: X.Org Video Driver
	ABI class: X.Org Video Driver, version 6.0
(II) LoadModule: "nv"
(II) Loading /usr/lib/xorg/modules/drivers/nv_drv.so
(II) Module nv: vendor="X.Org Foundation"
	compiled for 1.7.7, module version = 2.1.17
	Module class: X.Org Video Driver
	ABI class: X.Org Video Driver, version 6.0
(II) LoadModule: "vesa"
(II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so
(II) Module vesa: vendor="X.Org Foundation"
	compiled for 1.7.7, module version = 2.3.0
	Module class: X.Org Video Driver
	ABI class: X.Org Video Driver, version 6.0
(II) LoadModule: "fbdev"
(II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
(II) Module fbdev: vendor="X.Org Foundation"
	compiled for 1.7.6.901, module version = 0.4.2
	ABI class: X.Org Video Driver, version 6.0
(II) NOUVEAU driver Date:   Tue Mar 16 13:08:37 2010 +1000
(II) NOUVEAU driver for NVIDIA chipset families :
	RIVA TNT    (NV04)
	RIVA TNT2   (NV05)
	GeForce 256 (NV10)
	GeForce 2   (NV11, NV15)
	GeForce 4MX (NV17, NV18)
	GeForce 3   (NV20)
	GeForce 4Ti (NV25, NV28)
	GeForce FX  (NV3x)
	GeForce 6   (NV4x)
	GeForce 7   (G7x)
	GeForce 8   (G8x)
(II) NOUVEAU driver Date:   Tue Mar 16 13:08:37 2010 +1000
(II) NOUVEAU driver for NVIDIA chipset families :
	RIVA TNT    (NV04)
	RIVA TNT2   (NV05)
	GeForce 256 (NV10)
	GeForce 2   (NV11, NV15)
	GeForce 4MX (NV17, NV18)
	GeForce 3   (NV20)
	GeForce 4Ti (NV25, NV28)
	GeForce FX  (NV3x)
	GeForce 6   (NV4x)
	GeForce 7   (G7x)
	GeForce 8   (G8x)
(II) VESA: driver for VESA chipsets: vesa
(II) FBDEV: driver for framebuffer: fbdev
(II) Primary Device is: PCI 01@00:00:0
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 8, (OK)
drmOpenByBusid: Searching for BusID pci:0000:01:00.0
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 8, (OK)
drmOpenByBusid: drmOpenMinor returns 8
drmOpenByBusid: Interface 1.4 failed, trying 1.1
drmOpenByBusid: drmGetBusid reports pci:0000:01:00.0
(II) [drm] nouveau interface version: 0.0.15
(WW) Falling back to old probe method for vesa
(WW) Falling back to old probe method for fbdev
(II) Loading sub module "fbdevhw"
(II) LoadModule: "fbdevhw"
(II) Loading /usr/lib/xorg/modules/linux/libfbdevhw.so
(II) Module fbdevhw: vendor="X.Org Foundation"
	compiled for 1.7.7, module version = 0.0.2
	ABI class: X.Org Video Driver, version 6.0
(II) Loading sub module "dri"
(II) LoadModule: "dri"
(II) Reloading /usr/lib/xorg/modules/extensions/libdri.so
(II) NOUVEAU(0): Loaded DRI module
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 9, (OK)
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 9, (OK)
drmOpenByBusid: Searching for BusID pci:0000:01:00.0
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 9, (OK)
drmOpenByBusid: drmOpenMinor returns 9
drmOpenByBusid: Interface 1.4 failed, trying 1.1
drmOpenByBusid: drmGetBusid reports pci:0000:01:00.0
(II) [drm] DRM interface version 1.3
(II) [drm] DRM open master succeeded.
(--) NOUVEAU(0): Chipset: "NVIDIA NV05"
(**) NOUVEAU(0): Depth 24, (--) framebuffer bpp 32
(==) NOUVEAU(0): RGB weight 888
(==) NOUVEAU(0): Default visual is TrueColor
(==) NOUVEAU(0): Using HW cursor
(II) NOUVEAU(0): Output VGA-1 using monitor section Acer AL2216W
(II) NOUVEAU(0): EDID for output VGA-1
(II) NOUVEAU(0): Not using default mode "640x350" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "320x175" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "640x400" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "320x200" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "720x400" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "360x200" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "640x480" (unknown reason)
(II) NOUVEAU(0): Not using default mode "320x240" (unknown reason)
(II) NOUVEAU(0): Not using default mode "640x480" (unknown reason)
(II) NOUVEAU(0): Not using default mode "320x240" (unknown reason)
(II) NOUVEAU(0): Not using default mode "640x480" (unknown reason)
(II) NOUVEAU(0): Not using default mode "320x240" (unknown reason)
(II) NOUVEAU(0): Not using default mode "640x480" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "320x240" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "800x600" (unknown reason)
(II) NOUVEAU(0): Not using default mode "400x300" (unknown reason)
(II) NOUVEAU(0): Not using default mode "800x600" (unknown reason)
(II) NOUVEAU(0): Not using default mode "400x300" (unknown reason)
(II) NOUVEAU(0): Not using default mode "800x600" (unknown reason)
(II) NOUVEAU(0): Not using default mode "400x300" (unknown reason)
(II) NOUVEAU(0): Not using default mode "800x600" (unknown reason)
(II) NOUVEAU(0): Not using default mode "400x300" (unknown reason)
(II) NOUVEAU(0): Not using default mode "800x600" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "400x300" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "1024x768" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "512x384" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "1024x768" (unknown reason)
(II) NOUVEAU(0): Not using default mode "512x384" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1024x768" (unknown reason)
(II) NOUVEAU(0): Not using default mode "512x384" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1024x768" (unknown reason)
(II) NOUVEAU(0): Not using default mode "512x384" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1024x768" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "512x384" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "1152x864" (unknown reason)
(II) NOUVEAU(0): Not using default mode "576x432" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1280x960" (unknown reason)
(II) NOUVEAU(0): Not using default mode "640x480" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1280x960" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "640x480" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "1280x1024" (unknown reason)
(II) NOUVEAU(0): Not using default mode "640x512" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1280x1024" (unknown reason)
(II) NOUVEAU(0): Not using default mode "640x512" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1280x1024" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "640x512" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "1600x1200" (unknown reason)
(II) NOUVEAU(0): Not using default mode "800x600" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1600x1200" (unknown reason)
(II) NOUVEAU(0): Not using default mode "800x600" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1600x1200" (hsync out of range)
(II) NOUVEAU(0): Not using default mode "800x600" (hsync out of range)
(II) NOUVEAU(0): Not using default mode "1600x1200" (hsync out of range)
(II) NOUVEAU(0): Not using default mode "800x600" (hsync out of range)
(II) NOUVEAU(0): Not using default mode "1600x1200" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "800x600" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "1792x1344" (hsync out of range)
(II) NOUVEAU(0): Not using default mode "896x672" (hsync out of range)
(II) NOUVEAU(0): Not using default mode "1792x1344" (hsync out of range)
(II) NOUVEAU(0): Not using default mode "896x672" (hsync out of range)
(II) NOUVEAU(0): Not using default mode "1856x1392" (hsync out of range)
(II) NOUVEAU(0): Not using default mode "928x696" (hsync out of range)
(II) NOUVEAU(0): Not using default mode "1856x1392" (hsync out of range)
(II) NOUVEAU(0): Not using default mode "928x696" (hsync out of range)
(II) NOUVEAU(0): Not using default mode "1920x1440" (hsync out of range)
(II) NOUVEAU(0): Not using default mode "960x720" (hsync out of range)
(II) NOUVEAU(0): Not using default mode "1920x1440" (hsync out of range)
(II) NOUVEAU(0): Not using default mode "960x720" (hsync out of range)
(II) NOUVEAU(0): Not using default mode "832x624" (unknown reason)
(II) NOUVEAU(0): Not using default mode "416x312" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1152x864" (unknown reason)
(II) NOUVEAU(0): Not using default mode "576x432" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1152x864" (unknown reason)
(II) NOUVEAU(0): Not using default mode "576x432" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1152x864" (unknown reason)
(II) NOUVEAU(0): Not using default mode "576x432" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1152x864" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "576x432" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "1152x864" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "576x432" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "1152x864" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "576x432" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "1360x768" (monitor doesn't support reduced blanking)
(II) NOUVEAU(0): Not using default mode "680x384" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1360x768" (unknown reason)
(II) NOUVEAU(0): Not using default mode "680x384" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1400x1050" (unknown reason)
(II) NOUVEAU(0): Not using default mode "700x525" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1400x1050" (unknown reason)
(II) NOUVEAU(0): Not using default mode "700x525" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1400x1050" (unknown reason)
(II) NOUVEAU(0): Not using default mode "700x525" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1400x1050" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "700x525" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "1440x900" (unknown reason)
(II) NOUVEAU(0): Not using default mode "720x450" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1600x1024" (unknown reason)
(II) NOUVEAU(0): Not using default mode "800x512" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1680x1050" (monitor doesn't support reduced blanking)
(II) NOUVEAU(0): Not using default mode "840x525" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1680x1050" (unknown reason)
(II) NOUVEAU(0): Not using default mode "840x525" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1680x1050" (unknown reason)
(II) NOUVEAU(0): Not using default mode "840x525" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1680x1050" (unknown reason)
(II) NOUVEAU(0): Not using default mode "840x525" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1680x1050" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "840x525" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "1920x1080" (monitor doesn't support reduced blanking)
(II) NOUVEAU(0): Not using default mode "960x540" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1920x1200" (monitor doesn't support reduced blanking)
(II) NOUVEAU(0): Not using default mode "960x600" (unknown reason)
(II) NOUVEAU(0): Not using default mode "1920x1440" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "960x720" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "2048x1536" (hsync out of range)
(II) NOUVEAU(0): Not using default mode "1024x768" (hsync out of range)
(II) NOUVEAU(0): Not using default mode "2048x1536" (hsync out of range)
(II) NOUVEAU(0): Not using default mode "1024x768" (hsync out of range)
(II) NOUVEAU(0): Not using default mode "2048x1536" (vrefresh out of range)
(II) NOUVEAU(0): Not using default mode "1024x768" (vrefresh out of range)
(II) NOUVEAU(0): Printing probed modes for output VGA-1
(II) NOUVEAU(0): Modeline "1680x1050"x60.5  147.57  1680 1784 1960 2240  1050 1053 1059 1089 +hsync -vsync (65.9 kHz)
(II) NOUVEAU(0): Modeline "1024x768"x60.0   65.00  1024 1048 1184 1344  768 771 777 806 -hsync -vsync (48.4 kHz)
(II) NOUVEAU(0): Modeline "800x600"x60.3   40.00  800 840 968 1056  600 601 605 628 +hsync +vsync (37.9 kHz)
(II) NOUVEAU(0): Modeline "800x600"x56.2   36.00  800 824 896 1024  600 601 603 625 +hsync +vsync (35.2 kHz)
(II) NOUVEAU(0): Modeline "848x480"x60.0   33.75  848 864 976 1088  480 486 494 517 +hsync +vsync (31.0 kHz)
(II) NOUVEAU(0): Modeline "640x480"x59.9   25.18  640 656 752 800  480 489 492 525 -hsync -vsync (31.5 kHz)
(II) NOUVEAU(0): Output VGA-1 connected
(II) NOUVEAU(0): Using user preference for initial modes
(II) NOUVEAU(0): Output VGA-1 using initial mode 1680x1050
(II) NOUVEAU(0): Using default gamma of (1.0, 1.0, 1.0) unless otherwise stated.
(--) NOUVEAU(0): Virtual size is 1680x1050 (pitch 1680)
(**) NOUVEAU(0):  Mode "1680x1050": 147.6 MHz (scaled from 0.0 MHz), 65.9 kHz, 60.5 Hz
(II) NOUVEAU(0): Modeline "1680x1050"x60.5  147.57  1680 1784 1960 2240  1050 1053 1059 1089 +hsync -vsync (65.9 kHz)
(**) NOUVEAU(0):  Driver mode "1024x768": 65.0 MHz (scaled from 0.0 MHz), 48.4 kHz, 60.0 Hz
(II) NOUVEAU(0): Modeline "1024x768"x60.0   65.00  1024 1048 1184 1344  768 771 777 806 -hsync -vsync (48.4 kHz)
(**) NOUVEAU(0):  Driver mode "800x600": 40.0 MHz (scaled from 0.0 MHz), 37.9 kHz, 60.3 Hz
(II) NOUVEAU(0): Modeline "800x600"x60.3   40.00  800 840 968 1056  600 601 605 628 +hsync +vsync (37.9 kHz)
(**) NOUVEAU(0):  Driver mode "800x600": 36.0 MHz (scaled from 0.0 MHz), 35.2 kHz, 56.2 Hz
(II) NOUVEAU(0): Modeline "800x600"x56.2   36.00  800 824 896 1024  600 601 603 625 +hsync +vsync (35.2 kHz)
(**) NOUVEAU(0):  Driver mode "848x480": 33.8 MHz (scaled from 0.0 MHz), 31.0 kHz, 60.0 Hz
(II) NOUVEAU(0): Modeline "848x480"x60.0   33.75  848 864 976 1088  480 486 494 517 +hsync +vsync (31.0 kHz)
(**) NOUVEAU(0):  Driver mode "640x480": 25.2 MHz (scaled from 0.0 MHz), 31.5 kHz, 59.9 Hz
(II) NOUVEAU(0): Modeline "640x480"x59.9   25.18  640 656 752 800  480 489 492 525 -hsync -vsync (31.5 kHz)
(==) NOUVEAU(0): DPI set to (96, 96)
(II) Loading sub module "fb"
(II) LoadModule: "fb"
(II) Loading /usr/lib/xorg/modules/libfb.so
(II) Module fb: vendor="X.Org Foundation"
	compiled for 1.7.7, module version = 1.0.0
	ABI class: X.Org ANSI C Emulation, version 0.4
(II) Loading sub module "exa"
(II) LoadModule: "exa"
(II) Loading /usr/lib/xorg/modules/libexa.so
(II) Module exa: vendor="X.Org Foundation"
	compiled for 1.7.7, module version = 2.5.0
	ABI class: X.Org Video Driver, version 6.0
(II) Loading sub module "shadowfb"
(II) LoadModule: "shadowfb"
(II) Loading /usr/lib/xorg/modules/libshadowfb.so
(II) Module shadowfb: vendor="X.Org Foundation"
	compiled for 1.7.7, module version = 1.0.0
	ABI class: X.Org ANSI C Emulation, version 0.4
(II) UnloadModule: "nv"
(II) Unloading /usr/lib/xorg/modules/drivers/nv_drv.so
(II) UnloadModule: "vesa"
(II) Unloading /usr/lib/xorg/modules/drivers/vesa_drv.so
(II) UnloadModule: "fbdev"
(II) Unloading /usr/lib/xorg/modules/drivers/fbdev_drv.so
(II) UnloadModule: "fbdevhw"
(II) Unloading /usr/lib/xorg/modules/linux/libfbdevhw.so
(--) Depth 24 pixmap format is 32 bpp
(II) NOUVEAU(0): Opened GPU channel 1
(II) NOUVEAU(0): [DRI2] Setup complete
(II) NOUVEAU(0): GART: 64MiB available
(II) NOUVEAU(0): GART: Allocated 16MiB as a scratch buffer
(II) EXA(0): Driver allocated offscreen pixmaps
(II) EXA(0): Driver registered support for the following operations:
(II)         Solid
(II)         Copy
(II)         UploadToScreen
(II)         DownloadFromScreen
(==) NOUVEAU(0): Backing store disabled
(==) NOUVEAU(0): Silken mouse enabled
(II) NOUVEAU(0): NVEnterVT is called.
(==) NOUVEAU(0): DPMS enabled
(II) NOUVEAU(0): RandR 1.2 enabled, ignore the following RandR disabled message.
(--) RandR disabled
(II) Initializing built-in extension Generic Event Extension
(II) Initializing built-in extension SHAPE
(II) Initializing built-in extension MIT-SHM
(II) Initializing built-in extension XInputExtension
(II) Initializing built-in extension XTEST
(II) Initializing built-in extension BIG-REQUESTS
(II) Initializing built-in extension SYNC
(II) Initializing built-in extension XKEYBOARD
(II) Initializing built-in extension XC-MISC
(II) Initializing built-in extension SECURITY
(II) Initializing built-in extension XINERAMA
(II) Initializing built-in extension XFIXES
(II) Initializing built-in extension RENDER
(II) Initializing built-in extension RANDR
(II) Initializing built-in extension COMPOSITE
(II) Initializing built-in extension DAMAGE
SELinux: Disabled on system, not enabling in X server
(EE) AIGLX error: dlopen of /usr/lib/dri/nouveau_vieux_dri.so failed (/usr/lib/dri/nouveau_vieux_dri.so: cannot open shared object file: No such file or directory)
(EE) AIGLX: reverting to software rendering
(II) AIGLX: Screen 0 is not DRI capable
(II) AIGLX: Loaded and initialized /usr/lib/dri/swrast_dri.so
(II) GLX: Initialized DRISWRAST GL provider for screen 0
(II) NOUVEAU(0): Setting screen physical size to 444 x 277
resize called 1680 1050
(II) config/udev: Adding input device Power Button (/dev/input/event2)
(**) Power Button: Applying InputClass "evdev keyboard catchall"
(II) LoadModule: "evdev"
(II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
(II) Module evdev: vendor="X.Org Foundation"
	compiled for 1.7.6.901, module version = 2.3.2
	Module class: X.Org XInput Driver
	ABI class: X.Org XInput driver, version 7.0
(**) Power Button: always reports core events
(**) Power Button: Device: "/dev/input/event2"
(II) Power Button: Found keys
(II) Power Button: Configuring as keyboard
(II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "it"
(II) config/udev: Adding input device Sleep Button (/dev/input/event1)
(**) Sleep Button: Applying InputClass "evdev keyboard catchall"
(**) Sleep Button: always reports core events
(**) Sleep Button: Device: "/dev/input/event1"
(II) Sleep Button: Found keys
(II) Sleep Button: Configuring as keyboard
(II) XINPUT: Adding extended input device "Sleep Button" (type: KEYBOARD)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "it"
(II) config/udev: Adding input device AT Translated Set 2 keyboard (/dev/input/event0)
(**) AT Translated Set 2 keyboard: Applying InputClass "evdev keyboard catchall"
(**) AT Translated Set 2 keyboard: always reports core events
(**) AT Translated Set 2 keyboard: Device: "/dev/input/event0"
(II) AT Translated Set 2 keyboard: Found keys
(II) AT Translated Set 2 keyboard: Configuring as keyboard
(II) XINPUT: Adding extended input device "AT Translated Set 2 keyboard" (type: KEYBOARD)
(**) Option "xkb_rules" "evdev"
(**) Option "xkb_model" "pc105"
(**) Option "xkb_layout" "it"
(II) config/udev: Adding input device ImPS/2 Logitech Wheel Mouse (/dev/input/event4)
(**) ImPS/2 Logitech Wheel Mouse: Applying InputClass "evdev pointer catchall"
(**) ImPS/2 Logitech Wheel Mouse: always reports core events
(**) ImPS/2 Logitech Wheel Mouse: Device: "/dev/input/event4"
(II) ImPS/2 Logitech Wheel Mouse: Found 3 mouse buttons
(II) ImPS/2 Logitech Wheel Mouse: Found scroll wheel(s)
(II) ImPS/2 Logitech Wheel Mouse: Found relative axes
(II) ImPS/2 Logitech Wheel Mouse: Found x and y relative axes
(II) ImPS/2 Logitech Wheel Mouse: Configuring as mouse
(**) ImPS/2 Logitech Wheel Mouse: YAxisMapping: buttons 4 and 5
(**) ImPS/2 Logitech Wheel Mouse: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
(II) XINPUT: Adding extended input device "ImPS/2 Logitech Wheel Mouse" (type: MOUSE)
(II) ImPS/2 Logitech Wheel Mouse: initialized for relative axes.
(II) config/udev: Adding input device ImPS/2 Logitech Wheel Mouse (/dev/input/mouse0)
(II) No input driver/identifier specified (ignoring)
(II) config/udev: Adding input device PC Speaker (/dev/input/event3)
(II) No input driver/identifier specified (ignoring)

udev information:
P: /devices/LNXSYSTM:00/LNXPWRBN:00/input/input2/event2
N: input/event2
S: char/13:66
E: UDEV_LOG=3
E: DEVPATH=/devices/LNXSYSTM:00/LNXPWRBN:00/input/input2/event2
E: MAJOR=13
E: MINOR=66
E: DEVNAME=/dev/input/event2
E: SUBSYSTEM=input
E: ID_INPUT=1
E: ID_INPUT_KEY=1
E: XKBMODEL=pc105
E: XKBLAYOUT=it
E: DEVLINKS=/dev/char/13:66
E: DMI_VENDOR=ECS

P: /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input1/event1
N: input/event1
S: char/13:65
E: UDEV_LOG=3
E: DEVPATH=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input1/event1
E: MAJOR=13
E: MINOR=65
E: DEVNAME=/dev/input/event1
E: SUBSYSTEM=input
E: ID_INPUT=1
E: ID_INPUT_KEY=1
E: XKBMODEL=pc105
E: XKBLAYOUT=it
E: DEVLINKS=/dev/char/13:65
E: DMI_VENDOR=ECS

P: /devices/platform/i8042/serio0/input/input0/event0
N: input/event0
S: char/13:64
S: input/by-path/platform-i8042-serio-0-event-kbd
E: UDEV_LOG=3
E: DEVPATH=/devices/platform/i8042/serio0/input/input0/event0
E: MAJOR=13
E: MINOR=64
E: DEVNAME=/dev/input/event0
E: SUBSYSTEM=input
E: ID_INPUT=1
E: ID_INPUT_KEY=1
E: ID_INPUT_KEYBOARD=1
E: ID_SERIAL=noserial
E: ID_PATH=platform-i8042-serio-0
E: XKBMODEL=pc105
E: XKBLAYOUT=it
E: DEVLINKS=/dev/char/13:64 /dev/input/by-path/platform-i8042-serio-0-event-kbd
E: DMI_VENDOR=ECS

P: /devices/platform/i8042/serio1/input/input4/event4
N: input/event4
S: char/13:68
S: input/by-path/platform-i8042-serio-1-event-mouse
E: UDEV_LOG=3
E: DEVPATH=/devices/platform/i8042/serio1/input/input4/event4
E: MAJOR=13
E: MINOR=68
E: DEVNAME=/dev/input/event4
E: SUBSYSTEM=input
E: ID_INPUT=1
E: ID_INPUT_MOUSE=1
E: ID_SERIAL=noserial
E: ID_PATH=platform-i8042-serio-1
E: DMI_VENDOR=ECS
E: DEVLINKS=/dev/char/13:68 /dev/input/by-path/platform-i8042-serio-1-event-mouse

P: /devices/platform/i8042/serio1/input/input4/mouse0
N: input/mouse0
S: char/13:32
S: input/by-path/platform-i8042-serio-1-mouse
E: UDEV_LOG=3
E: DEVPATH=/devices/platform/i8042/serio1/input/input4/mouse0
E: MAJOR=13
E: MINOR=32
E: DEVNAME=/dev/input/mouse0
E: SUBSYSTEM=input
E: ID_INPUT=1
E: ID_INPUT_MOUSE=1
E: ID_SERIAL=noserial
E: ID_PATH=platform-i8042-serio-1
E: DEVLINKS=/dev/char/13:32 /dev/input/by-path/platform-i8042-serio-1-mouse

P: /devices/platform/pcspkr/input/input3/event3
N: input/event3
S: char/13:67
S: input/by-path/platform-pcspkr-event-spkr
E: UDEV_LOG=3
E: DEVPATH=/devices/platform/pcspkr/input/input3/event3
E: MAJOR=13
E: MINOR=67
E: DEVNAME=/dev/input/event3
E: SUBSYSTEM=input
E: ID_INPUT=1
E: ID_SERIAL=noserial
E: ID_PATH=platform-pcspkr
E: DMI_VENDOR=ECS
E: DEVLINKS=/dev/char/13:67 /dev/input/by-path/platform-pcspkr-event-spkr

DRM Information from dmesg:
[ 1324.604154] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1324.604165] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1324.722335] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1324.722347] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1324.828071] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1324.828083] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1324.828152] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1324.863301] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 1354.464235] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1354.464247] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1354.574788] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1354.574799] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1354.672393] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1354.672398] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1354.770904] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1354.770911] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1354.770976] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1354.794860] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 1384.481142] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1384.481153] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1384.601264] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1384.601276] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1384.701221] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1384.701232] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1384.811242] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1384.811254] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1384.811323] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1384.835432] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 1414.452935] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1414.452947] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1414.584031] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1414.584043] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1414.683772] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1414.683781] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1414.782369] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1414.782376] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1414.782443] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1414.802844] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 1444.485347] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1444.485358] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1444.693596] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1444.693608] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1444.905555] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1444.905566] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1445.113926] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1445.114023] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1445.114093] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1445.251022] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 1474.478213] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1474.478224] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1474.576060] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1474.576067] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1474.678656] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1474.678662] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1474.776315] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1474.776321] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1474.776385] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1474.798863] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 1504.478459] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1504.478470] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1504.576059] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1504.576065] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1504.674532] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1504.674539] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1504.772100] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1504.772105] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1504.772168] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1504.794836] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 1534.478417] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1534.478428] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1534.576514] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1534.576520] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1534.679152] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1534.679158] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1534.776926] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1534.776934] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1534.777009] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1534.798869] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 1564.477594] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1564.477606] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1564.575270] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1564.575277] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1564.673959] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1564.673969] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1564.771600] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1564.771606] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1564.771681] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1564.794858] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 1594.478008] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1594.478020] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1594.584977] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1594.584989] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1594.687840] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1594.687852] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1594.788607] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1594.788619] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1594.788696] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1594.811288] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 1624.481595] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1624.481607] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1624.681641] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1624.681656] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1624.881640] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1624.881655] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1625.077681] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1625.077695] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1625.077778] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1625.199439] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 1654.477593] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1654.477605] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1654.575193] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1654.575199] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1654.677999] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1654.678007] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1654.778542] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1654.778554] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1654.778632] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1654.807319] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 1684.453801] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1684.453814] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1684.573719] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1684.573732] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1684.671312] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1684.671318] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1684.769834] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1684.769842] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1684.769918] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1684.794854] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 1714.453676] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1714.453689] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1714.576319] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1714.576331] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1714.674160] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1714.674167] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1714.772597] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1714.772605] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1714.772680] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1714.795320] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 1744.478911] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1744.478924] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1744.576678] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1744.576685] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1744.675025] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1744.675032] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1744.772594] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1744.772601] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1744.772673] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1744.794862] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 1774.478417] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1774.478429] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1774.576142] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1774.576149] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1774.678747] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1774.678755] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1774.776392] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1774.776398] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1774.776472] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1774.798860] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 1804.480895] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1804.480907] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1804.579807] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1804.579815] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1804.678704] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1804.678714] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1804.776472] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1804.776479] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1804.776554] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1804.803456] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 1834.492320] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1834.492331] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1834.721594] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1834.721607] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1834.938090] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1834.938102] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1835.111652] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1835.111665] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1835.111744] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1835.141454] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 1864.453306] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1864.453318] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1864.575735] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1864.575747] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1864.729721] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1864.729734] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1864.909059] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1864.909071] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1864.909148] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1864.975930] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 1894.482582] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1894.482595] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1894.705594] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1894.705612] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1894.838172] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1894.838184] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1895.063323] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1895.063335] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1895.063412] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1895.198852] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 1924.481882] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1924.481895] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1925.157595] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1925.157607] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1925.844524] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1925.844536] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1926.501597] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1926.501610] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1926.501691] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1927.090897] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 1954.477430] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1954.477442] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1954.579200] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1954.579212] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1954.680358] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1954.680370] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1954.780687] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1954.780697] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1954.780774] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1954.806852] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 1984.478458] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1984.478470] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1984.576183] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1984.576190] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1984.678785] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1984.678793] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1984.776513] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 1984.776519] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 1984.776593] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 1984.798847] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 2014.478951] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2014.478963] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2014.576553] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2014.576560] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2014.675073] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2014.675080] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2014.772676] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2014.772682] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2014.772755] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 2014.795421] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 2044.477718] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2044.477730] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2044.575435] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2044.575442] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2044.677955] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2044.677962] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2044.775641] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2044.775648] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2044.775721] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 2044.798857] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 2074.452813] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2074.452824] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2074.576031] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2074.576042] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2074.673748] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2074.673755] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2074.772103] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2074.772110] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2074.772186] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 2074.795448] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 2104.479076] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2104.479088] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2104.576842] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2104.576849] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2104.681698] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2104.681710] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2104.779395] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2104.779402] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2104.779476] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 2104.803262] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 2134.452648] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2134.452660] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2134.572236] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2134.572249] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2134.669995] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2134.670002] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2134.770582] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2134.770593] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2134.770671] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 2134.791402] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 2164.478993] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2164.479005] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2164.576719] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2164.576726] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2164.679577] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2164.679586] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2164.777254] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2164.777261] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2164.777335] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 2164.803318] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 2194.478962] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2194.478974] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2194.576594] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2194.576601] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2194.675024] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2194.675031] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2194.772841] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2194.772848] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2194.772922] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 2194.795337] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 2224.453511] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2224.453523] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2224.583448] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2224.583460] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2224.681089] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2224.681096] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2224.779646] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2224.779654] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2224.779731] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 2224.803432] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 2254.477593] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2254.477605] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2254.575188] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2254.575195] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2254.673750] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2254.673759] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2254.771435] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2254.771442] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2254.771515] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 2254.795319] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 2284.453142] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2284.453154] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2284.581101] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2284.581113] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2284.678698] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2284.678705] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2284.777257] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2284.777265] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2284.777341] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 2284.799313] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 2314.453267] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2314.453278] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2314.587365] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2314.587377] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2314.692979] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2314.692991] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2314.791400] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2314.791409] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2314.791486] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 2314.814865] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 2344.477592] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2344.477604] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2344.575312] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2344.575319] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2344.677918] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2344.677926] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2344.778542] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2344.778553] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2344.778630] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 2344.799374] [drm] nouveau 0000:01:00.0: Load detected on head A
[ 2374.453430] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2374.453442] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2374.573471] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2374.573483] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2374.671188] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2374.671195] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2374.771089] [drm:edid_is_valid] *ERROR* EDID checksum is invalid, remainder is 215
[ 2374.771101] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 2374.771179] [drm] nouveau 0000:01:00.0: DDC responded, but no EDID for VGA-1
[ 2374.795431] [drm] nouveau 0000:01:00.0: Load detected on head A


-- System Information:
Debian Release: wheezy/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: i386 (i686)

Kernel: Linux 2.6.32-5-686 (SMP w/1 CPU core)
Locale: LANG=it_IT.UTF-8, LC_CTYPE=it_IT.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages xserver-xorg-video-nouveau depends on:
ii  libc6                  2.11.2-11         Embedded GNU C Library: Shared lib
ii  libdrm-nouveau1        2.4.21-1~squeeze3 Userspace interface to nouveau-spe
ii  xserver-xorg-core [xor 2:1.7.7-11        Xorg X server - core server

xserver-xorg-video-nouveau recommends no packages.

xserver-xorg-video-nouveau suggests no packages.

-- no debconf information
Reply to:
Follow-Ups:
- Bug#614240: xserver-xorg-video-nouveau: Please provide an option to ignore invalid EDID
  - From: Cyril Brulebois <kibi@debian.org>
- Bug#614240: xserver-xorg-video-nouveau: Please provide an option to ignore invalid EDID
  - From: Julien Cristau <jcristau@debian.org>
Prev by Date: Bug#614225: xserver-xorg-video-nouveau: EDID checksum is invalid with Acer AL2216W
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Previous by thread: Bug#614225: xserver-xorg-video-nouveau: EDID checksum is invalid with Acer AL2216W
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