Re: funny framebuffer fonts on PowerBook with radeonfb

Benjamin Herrenschmidt
2006-03-27T01:18:55Z

On Mon, 2006-03-27 at 02:47 +0200, Herbert Poetzl wrote:
> Hey Ben!
>
> 2.6.16 and 2.6.15-something show a funny behaviour
> when using the radeonfb driver (for text mode), they
> kind of twist and break the fonts in various places
> some characters or parts seem to be mirrored like
> '[' becoming ']' but not on character boundary but
> more on N pixels, colors seem to be correct for the
> characters, and sometimes the font is perfectly fine
> for larger runs, e.g. I can read the logon prompt
> fine, but everything I type is garbled ...
>
> just for an example, when I type 'echo "Test"' then
> all characters are mirrored and cut off on the right
> side but the locations are as shown above, on enter
> the T is only a few pixels wide, but the est part is
> written perfectly fine ... this is a new behaviour
> and going back to 2.6.13.3 doesn't show this ...
>
> if there is some testing I can do for you, or when
> you need more info, please let me know. here a few
> details for the machine:

I have a similar machine and haven't seen such a problem with it so
far ... does this happen after you load X or already at boot before X
ever kicks in ? Does it happen if you don't load any font (that is for
example boot with init=/bin/sh to prevent any init script to try to load
a font)

Ben.