X11: 1280x768

Pieter Donche Pieter.Donche at ua.ac.be
Tue Nov 11 05:34:53 PST 2008


On Tue, 11 Nov 2008, Mel wrote:

> On Tuesday 11 November 2008 13:28:53 Pieter Donche wrote:
>> On Tue, 11 Nov 2008, Mel wrote:
>>> On Tuesday 11 November 2008 12:12:06 Pieter Donche wrote:
>>>> On the same portable there is also a SUSE Linux 10.1 and WinXP, which
>>>> works in 1280x768 (so the hardware can use this resolution)
>>>>
>>>> In /var/log/Xorg.0.log is see many references to 1280x768 for the 'local
>>>> flat panel' , PanelID returned panel resolution: 1280x768, also
>>>> Printing DDC gathered Modelines:
>>>> 3 lines
>>>> (||) 1810(0): Modeline "1280x768"x0.0  (followed by varying numbers and
>>>> a KhZ to end)
>>>> follewed y
>>>> Mode: 30 (640x480)
>>>>    (specifications)
>>>> diffenrent Mode sections but 1024x768 at the highest
>>>> ..
>>>> (||) |810(0): Not using mode "1280x768i (no mode of that name)
>>>
>>>                                       ^^^
>>> If this is accurate, you seem to have a trailing letter 'i' in your
>>> xorg.conf that invalidates the mode line.
>>>
>>> And you're using an Intel 810 integrated graphics card. Sadly, that
>>> doesn't come with probing tool that I know of that would print the
>>> information the card and monitor exchange about syncrates and display
>>> sizes.
>>>
>>> Rule out the typo first though.
>>>
>>> I have a vague recollection of this card putting 1024x768 before 1280x768
>>> in the mode list it returns, so that it defaults to 1024x768, but I'm not
>>> sure where or when I read that. Either way, hardcoding the desired
>>> modeline (without typos) in xorg.conf should work.
>>> If there was no typo, please paste your entire xorg.conf into the mail.
>>> We may be missing something obvious.
>>> --
>>> Mel
>>>
>>> Problem with today's modular software: they start with the modules
>>>    and never get to the software part.
>>
>> There was only a typo in my mail, not in xorg.conf..
>>
>> In included below my xorg.conf file and the Xorg.0.log
>
> Rearranging for clarity:
>
>> ------------------
>> xorg.conf
>> ------------------
>
>
>> Section "Screen"
>>  	Identifier "Screen0"
>>  	Device     "Card0"
>>  	Monitor    "Monitor0"
>>  	SubSection "Display"
>>  		Viewport   0 0
>>  		Depth     1
>>  		Modes     "1280x768"
>>  	EndSubSection
>
>
>> (II) I810(0): Supported Future Video Modes:
>> (II) I810(0): #0: hsize: 1280  vsize 800  refresh: 60  vid: 129
>
> I was already wondering why a card would report 1280x768, it's not the
> standard for that width, 1280x800 is. Try changing the modes to 1280x800. How
> the 768 ends up in the detection is probably something for the i810 driver
> developers to figure out.

Changed to 1280x800, but no help.

The diff between previous Xorg.0.log and the present is:
15c15
< (==) Log file: "/var/log/Xorg.0.log", Time: Tue Nov 11 14:18:44 2008
---
> (==) Log file: "/var/log/Xorg.0.log", Time: Tue Nov 11 13:20:39 2008
2033c2033
< (II) I810(0): Not using mode "1280x800" (no mode of this name)
---
> (II) I810(0): Not using mode "1280x768" (no mode of this name)
2122,2124c2122,2124
< (II) I810(0): Allocated 4 kB for HW cursor at 0xffff000 (0x07b99000)
< (II) I810(0): Allocated 16 kB for HW (ARGB) cursor at 0xfffb000 (0x07b9c000)
< (II) I810(0): Allocated 4 kB for Overlay registers at 0xfffa000 (0x07b9a000).
---
> (II) I810(0): Allocated 4 kB for HW cursor at 0xffff000 (0x07790000)
> (II) I810(0): Allocated 16 kB for HW (ARGB) cursor at 0xfffb000 (0x07794000)
> (II) I810(0): Allocated 4 kB for Overlay registers at 0xfffa000 (0x07791000).

not pretty much, execept that it neither accepts 1280x800

On that portable WinXP lets me choose between 1280x768, 1024x768, 800x600
and SuSE Linux 10.1 between exactly the same, plus 640x480...




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