ubuntu-x-swat team mailing list archive

[Bryce Harrington <bryce@xxxxxxxxxxxxxxxxxxx>]

** Description changed:

  Binary package hint: xorg
  
  When I plug in an external monitor into my laptop's VGA port, I often
  want to first query that monitor's EDID information, and then enable the
  VGA output using a particular mode based on that EDID information.  For
  example, I might want to enable exactly the 1024x768 mode if a projector
  supports it, or the 640x480 mode if it doesn't.  Or, I might have a
  script that runs from udev whenever a VGA hotplug event is signaled, and
  the script wants to figure out what monitor is plugged in first, and
  then based on some heuristics, figure out what screen configuration I
  want (e.g. one EDID value indicates my office monitor, which should go
  above my laptop screen, and another EDID value indicates my home
  monitor, which should go on the logical left).
  
  Unfortunately, the "xrandr" command (or, more precisely, "xrandr
  --prop") enables the VGA1 output in addition to listing information
  about the currently connected outputs.  It would be great if there were
  an option to query EDID information without causing any side-effects.
  As is, this results in double flickering (first, when xrandr decides to
  enable some default configuration, and second, when I manually, or my
  script automatically, chooses a more appropriate mode to use).
  
  ProblemType: Bug
  Architecture: amd64
  Date: Mon Feb  1 17:06:54 2010
  DistroRelease: Ubuntu 10.04
  DkmsStatus: Error: [Errno 2] No such file or directory
  MachineType: LENOVO 4058CTO
  Package: xserver-xorg 1:7.5+1ubuntu2
  PccardctlIdent:
   Socket 0:
     no product info available
  PccardctlStatus:
   Socket 0:
     no card
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-12-generic root=UUID=462b8d55-f4b6-40d1-bd10-0c0ce38ba988 ro rootfstype=ext4 quiet splash
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
   LC_PAPER=en_US.UTF-8
  ProcVersionSignature: Ubuntu 2.6.32-12.16-generic
  RelatedPackageVersions:
   xserver-xorg 1:7.5+1ubuntu2
   libgl1-mesa-glx 7.7-0ubuntu8
   libdrm2 2.4.17-0ubuntu2
   xserver-xorg-video-intel 2:2.9.1-1ubuntu3
  SourcePackage: xorg
  Uname: Linux 2.6.32-12-generic x86_64
  dmi.bios.date: 09/24/2008
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6FET46WW (1.16 )
  dmi.board.name: 4058CTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr6FET46WW(1.16):bd09/24/2008:svnLENOVO:pn4058CTO:pvrThinkPadW500:rvnLENOVO:rn4058CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 4058CTO
  dmi.product.version: ThinkPad W500
  dmi.sys.vendor: LENOVO
  system:
   distro:             Ubuntu
   architecture:       x86_64kernel:             2.6.32-12-generic
+ 
+ [lspci]
+ 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07)
+     	Subsystem: Lenovo Device [17aa:2114]

-- 
xrandr automatically enables VGA1 output
https://bugs.launchpad.net/bugs/515737
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