Public bug reported:
I may need some help gathering necessary information for this as I am
not sure what component will be affected, I'm only guessing it is nvidea
as that is the video module loaded.
symptom: on changing users, only sometimes, the HDMI connected screen
goes blank and the monitor hardware reports a resolution mismatch.
Restarting X does not fix the problem, the only solution I've found is a
hardware reboot. The monitor itself only has one resolution so it
cannot be adjusted.
this is a new problem, only since upgrading to 11.10 and persists in
12.04.1
xorg.conf:
Section "Monitor"
Identifier "Monitor0"
VendorName "Unknown"
ModelName "FNI LCD TV"
HorizSync 15.0 - 49.0
VertRefresh 57.0 - 63.0
Option "DPMS"
# HorizSync source: edid, VertRefresh source: edid
EndSection
Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
Option "TwinView" "0"
Option "metamodes" "1280x768 +0+0"
SubSection "Display"
Depth 24
EndSubSection
EndSection
Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0" 0 0
# commented out by update-manager, HAL is now used and auto-detects devices
# Keyboard settings are now read from /etc/default/console-setup
# InputDevice "Keyboard0" "CoreKeyboard"
# commented out by update-manager, HAL is now used and auto-detects devices
# Keyboard settings are now read from /etc/default/console-setup
# InputDevice "Mouse0" "CorePointer"
Option "Xinerama" "0"
EndSection
Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce GT 220"
Option "NoLogo" "True"
EndSection
Xorg.0.log report:
everything looks normal booting up
[ 46.951] (**) NVIDIA(0): Depth 24, (--) framebuffer bpp 32
[ 46.951] (==) NVIDIA(0): RGB weight 888
[ 46.951] (==) NVIDIA(0): Default visual is TrueColor
[ 46.951] (==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)
[ 46.951] (**) NVIDIA(0): Option "NoLogo" "True"
[ 46.951] (**) NVIDIA(0): Option "TwinView" "0"
[ 46.951] (**) NVIDIA(0): Option "MetaModes" "1280x768 +0+0"
[ 46.951] (**) NVIDIA(0): Enabling 2D acceleration
[ 48.517] (II) NVIDIA(GPU-0): Display (FNI LCD TV (DFP-0)) does not support N
VIDIA 3D Vision
[ 48.517] (II) NVIDIA(GPU-0): stereo.
[ 48.519] (II) NVIDIA(0): NVIDIA GPU GeForce GT 220 (GT216) at PCI:2:0:0 (GPU
-0)
[ 48.519] (--) NVIDIA(0): Memory: 1048576 kBytes
[ 48.519] (--) NVIDIA(0): VideoBIOS: 70.16.28.00.00
[ 48.519] (II) NVIDIA(0): Detected PCI Express Link width: 16X
[ 48.519] (--) NVIDIA(0): Interlaced video modes are supported on this GPU
[ 48.521] (--) NVIDIA(0): Connected display device(s) on GeForce GT 220 at PC
I:2:0:0
[ 48.521] (--) NVIDIA(0): FNI LCD TV (DFP-0)
[ 48.521] (--) NVIDIA(0): FNI LCD TV (DFP-0): 330.0 MHz maximum pixel clock
[ 48.521] (--) NVIDIA(0): FNI LCD TV (DFP-0): Internal Dual Link TMDS
[ 48.556] (**) NVIDIA(0): Using HorizSync/VertRefresh ranges from the EDID fo
r display
[ 48.556] (**) NVIDIA(0): device FNI LCD TV (DFP-0) (Using EDID frequenci
es has been
[ 48.556] (**) NVIDIA(0): enabled on all display devices.)
[ 48.617] (II) NVIDIA(0): Assigned Display Device: DFP-0
[ 48.617] (II) NVIDIA(0): Validated modes:
[ 48.617] (II) NVIDIA(0): "1280x768+0+0"
[ 48.617] (II) NVIDIA(0): Virtual screen size determined to be 1280 x 768
[ 48.654] (WW) NVIDIA(0): FNI LCD TV (DFP-0)'s EDID does not contain a maximu
m image
[ 48.654] (WW) NVIDIA(0): size; cannot compute DPI from FNI LCD TV (DFP-0
)'s EDID.
[ 48.654] (==) NVIDIA(0): DPI set to (75, 75); computed from built-in default
[ 48.654] (--) Depth 24 pixmap format is 32 bpp
[ 48.654] (II) NVIDIA: Using 768.00 MB of virtual memory for indirect memory
access.
[ 48.661] (II) NVIDIA(0): Setting mode "1280x768+0+0"
the log ends with
[ 75437.139] (II) Open ACPI successful (/var/run/acpid.socket)
[ 75440.267] (II) NVIDIA(0): Setting mode "1280x768+0+0"
[ 75442.267] (EE) NVIDIA(GPU-0): WAIT: (E, 0, 0x857d)
which is the same resolution
let me know if there are further tests or logs that might be useful
** Affects: nvidia-graphics-drivers (Ubuntu)
Importance: Undecided
Status: New
--
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to nvidia-graphics-drivers in Ubuntu.
https://bugs.launchpad.net/bugs/1090111
Title:
HDMI reports resolution mismatch on changing users
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers/+bug/1090111/+subscriptions
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