Public bug reported:
Binary package hint: xorg
I'm 95% sure that I was doing this every day pre-Lucid with no manual
configuration. On Maverick now. I have an LCD with both VGA and HDMI
inputs. The HDMI works better on a different resolution, and goes
through an A/V receiver. All the resolutions seem to be correctly
detected in log files and (usually) the GUI. Perhaps they are now
detected too well, and it is forced that they must match, whereas before
supposedly unsupported resolution were allowed and the screen or TV was
scaling them.
I have tried this with as many settings as I could think of using
Catalyst Control Center with fglrx. I have also tried the monitor
preferences GUI with fglrx.
I am currently running with the radeon driver, which has the same
problem. Additionally, on boot it uses 640x480 only. The monitor
preferences only allows this resolution. I used xrandr to set
--preferred for both and - with the exception of some tiling of the
wallpaper and weird maxisation issues - it seems to work at the correct
resolutions now. They are also offered correctly in the monitor
preferences GUI. If I re-enable mirroring in the GUI, the available
resolutions shrink again to only 640x480: presumably this was the
problem at boot - only one common resolution for radeon driver?
Additionally the default monitor preferences view of the
devices/monitors only shows one. When you click on it, the second output
is drawn as another square with the manufacturer name in (clearly, it
was detected properly).
I sit quite far from my screen, so having the right resolution
regardless of input used is important for legibility.
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: xserver-xorg 1:7.5+6ubuntu3
ProcVersionSignature: Ubuntu 2.6.35-28.49-generic 2.6.35.11
Uname: Linux 2.6.35-28-generic x86_64
Architecture: amd64
DRM.card0.DIN.1:
status: disconnected
enabled: disabled
dpms: Off
modes:
edid-base64:
Date: Wed Apr 13 06:41:56 2011
DkmsStatus:
MachineType: Gigabyte Technology Co., Ltd. GA-MA790XT-UD4P
ProcCmdLine: root=UUID=70c57219-aee8-42ad-bbd7-b5b7dbc1e0a1 ro quiet splash
ProcEnviron:
LANGUAGE=en_GB:en
LANG=en_GB.utf8
SHELL=/bin/bash
SourcePackage: xorg
dmi.bios.date: 03/06/2009
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F3
dmi.board.name: GA-MA790XT-UD4P
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias:
dmi:bvnAwardSoftwareInternational,Inc.:bvrF3:bd03/06/2009:svnGigabyteTechnologyCo.,Ltd.:pnGA-MA790XT-UD4P:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-MA790XT-UD4P:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: GA-MA790XT-UD4P
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
system:
distro: Ubuntu
codename: maverick
architecture: x86_64
kernel: 2.6.35-28-generic
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug maverick
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/759433
Title:
Mirroring desktops with different resolutions problematic
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