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From: Sven Joachim on 3 Jun 2010 17:20
On 2010-06-03 22:49 +0200, Kent West wrote:

> When I boot 2.6.32 using grub2, my display is only in the top left
> quadrant of my monitor, leaving a huge unusable border around the
> right and bottom of my viewable area, and leaving my viewable area too
> small to be very usable. It's like the resolution is locked at
> something small, like 320x180, and pushed into the upper left corner
> of the monitor. (xdpyinfo within X reports:
> screen #0:
> dimensions: 720x576 pixels (191x152 millimeters)
> resolution: 96x96 dots per inch
> depths (7): 24, 1, 4, 8, 15, 16, 32
>
> (but this problem does not only affect X, which I'm starting manually
> with "startx"; it begins in the console mode just after the grub menu
> and about 20-30 seconds of black screen, with a text image finally
> appearing mid-boot.

This happens when udev starts and loads the nouveau module, switching to
graphics mode. Text mode appears to be b0rked with your card/monitor.

> [ 6.338804] [drm] nouveau 0000:04:06.0: allocated 1280x1024 fb: 0x49000, bo efa1a000

This looks normal, I get something similar.

> [ 6.486533] Console: switching to colour frame buffer device 90x36

But this is bad, it should have been 160x64. The 90x36 match the
xdpyinfo output, though.

Can you try the 2.6.34 kernel from experimental?

Sven


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From: Sven Joachim on 4 Jun 2010 11:40
On 2010-06-04 15:22 +0200, Kent West wrote:

> On 06/03/2010 04:10 PM, Sven Joachim wrote:
>> On 2010-06-03 22:49 +0200, Kent West wrote:
>>
>>
>>> When I boot 2.6.32 using grub2, my display is only in the top left
>>> quadrant of my monitor, leaving a huge unusable border around the
>>> right and bottom of my viewable area, and leaving my viewable area too
>>> small to be very usable. It's like the resolution is locked at
>>> something small, like 320x180, and pushed into the upper left corner
>>> of the monitor. (xdpyinfo within X reports:
>>> screen #0:
>>> dimensions: 720x576 pixels (191x152 millimeters)
>>> resolution: 96x96 dots per inch
>>> depths (7): 24, 1, 4, 8, 15, 16, 32
>>>
>>> (but this problem does not only affect X, which I'm starting manually
>>> with "startx"; it begins in the console mode just after the grub menu
>>> and about 20-30 seconds of black screen, with a text image finally
>>> appearing mid-boot.
>>>
>> This happens when udev starts and loads the nouveau module, switching to
>> graphics mode. Text mode appears to be b0rked with your card/monitor.
>>
>>
>>> [ 6.338804] [drm] nouveau 0000:04:06.0: allocated 1280x1024 fb: 0x49000, bo efa1a000
>>>
>> This looks normal, I get something similar.
>>
>>
>>> [ 6.486533] Console: switching to colour frame buffer device 90x36
>>>
>> But this is bad, it should have been 160x64. The 90x36 match the
>> xdpyinfo output, though.
>>
>>
>
> What do these numbers (90x36 & 160x64) mean, and how do you see those
> in the snippet of xdpyinfo's output that I included above?

They mean columns * rows, and the default font has a size of 8x16, so
90*8 = 720 and 36*16 = 576 (see the dimensions line in xdpyinfo).

> And, is there anyway I can tell udev to override that setting so that
> I could maybe have a usable display?

Not that I know of. The "video=…" parameter does not work for you, and
I don't know any other.

You should report a bug at https://bugs.freedesktop.org/. Choose
product xorg and component Driver/nouveau.

Sven


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