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[Bug 975175] Re: 1366x768 over VGA generic problems

 

Dave Gilbert, this bug was reported a while ago and there hasn't been
any activity in it recently. We were wondering if this is still an
issue? If so, could you please test for this with the latest development
release of Ubuntu? ISO images are available from
http://cdimage.ubuntu.com/daily-live/current/ .

If it remains an issue, could you please run the following command in
the development release from a Terminal as it will automatically gather
and attach updated debug information to this report:

apport-collect -p xorg 975175

Please ensure you have xdiagnose installed, and that you click the Yes
button for attaching additional debugging information.

As well, given the information from the prior release is already
available, testing a release prior to the development one would not be
helpful.

Thank you for your understanding.

Helpful bug reporting tips:
https://wiki.ubuntu.com/ReportingBugs

** Changed in: xorg (Ubuntu)
   Importance: Undecided => Low

** Changed in: xorg (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/975175

Title:
  1366x768 over VGA generic problems

Status in xorg package in Ubuntu:
  Incomplete

Bug description:
  I'm filing this as hopefully a generic/master bug (if any one knows of
  another please add).

  I've got two entirely distinct set ups that won't do the 1366x768 that the monitor/display is capable of over VGA;
  I suspect this is related to the discussion here:

  http://mjg59.dreamwidth.org/8705.html

  which describes how EDID can't represent 1366 pixels wide.

  The two setups I have are:
    11.10 with a modern Intel graphics integrated VGA (on chip) to a Panasonic TV via VGA, it's native res is 1366x768 
    12.04 with an ancient Geforce 2 (NV11) to a new Samsung B1930N monitor, again native res of 1366x768 (with Nouveau drivers)

  I think the best the 11.10 managed with the panasonic was 800x600 out
  of the box, and the best that 12.04 managed with the Samsung was
  1024x768.  In both cases there are no options in the Gnome display
  settings to get it closer.

  Unfortunately the work around is non-trivial; you have to add a modeline with xrandr - and I've not managed to find a modeline
  that works for both; so it's a lot of fiddling.

  Given 1366x768 displays aren't uncommon I think there needs to be
  something to help people with this; I'm not sure what the right answer
  is though!

  There are a whole chunk of bugs with notebooks with this resolution on
  internal displays - and I'm not sure if that's the same or a separate
  issue.

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