Comment 14 for bug 820327

Revision history for this message
hamish cunningham (hamish-dcs) wrote : Re: [Bug 820327] Re: Fn+F7 cycling gives external monitor incorrect resolution on Thinkpad x220

Hi,

I upgraded to Oneiric and the problem has now gone.

(Note that for me it never worked correctly, even with the display
props dialogue open.)

Took me a while to get back to a Gnome 2-alike desktop, but now I'm happy :-)

Thanks for your help, best

Hamish Cunningham
http://gate.ac.uk/hamish/

On 24 October 2011 08:48, Chris Halse Rogers <email address hidden> wrote:
> One of those traces - with-displays-applet-gnome-settings-daemon.trace -
> is with the displays capplet open, right?  And that one works correctly?
>
> It seems that g-s-d is submitting an identical set of RANDR requests;
> the differences are in the other events that occur.  I suspect that this
> might have the same root cause as bug 828623 and bug 861426 and that
> this seems to be a timing-related issue in the driver or kernel
> (probably the kernel) around modesetting.
>
> ** Changed in: gnome-settings-daemon (Ubuntu)
>       Status: Confirmed => In Progress
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/820327
>
> Title:
>  Fn+F7 cycling gives external monitor incorrect resolution on Thinkpad
>  x220
>
> Status in “gnome-settings-daemon” package in Ubuntu:
>  In Progress
> Status in “gnome-settings-daemon” source package in Oneiric:
>  New
>
> Bug description:
>  ## Issue
>
>  Pressing Fn+F7 to cycle through monitor configuration produces
>  unusable monitor configuration on external-monitor-only mode.
>
>  External monitor is set to incorrect resolution when it's the only
>  active display.
>
>  xrandr output does not match resolution of external display that is
>  actually set.  E.g., xrandr shows "1920x1080@60Hz",  but monitor
>  status menu shows 1360 x 768 @ 60Hz, which it does not support.
>
>  ## Environment
>
>  - Thinkpad X220 (T61 also fails)
>
>  -  External monitor attached
>
>  ## Steps to reproduce:
>
>  - connect external monitor to ThinkPad X220 (or X61)
>
>  - press Fn+F7 to cycle through modes
>
>  - on External Monitor Only mode, compare resolution of external
>  monitor as reported by xrandr and the monitor itself.
>
>  ProblemType: Bug
>  DistroRelease: Ubuntu 11.04
>  Package: gnome-settings-daemon 2.32.1-0ubuntu13.1
>  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
>  Uname: Linux 2.6.38-8-generic i686
>  Architecture: i386
>  Date: Wed Aug  3 11:59:12 2011
>  LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
>  ProcEnviron:
>   LANGUAGE=en_US:en
>   LANG=en_US.UTF-8
>   SHELL=/bin/bash
>  SourcePackage: gnome-settings-daemon
>  UpgradeStatus: No upgrade log present (probably fresh install)
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/820327/+subscriptions
>

--
Hamish                                  http://gate.ac.uk/hamish/

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