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From: Knut Petersen <Knut_Petersen@t-online.de>
To: "Antonino A. Daplas" <adaplas@gmail.com>
Cc: linux-fbdev-devel@lists.sourceforge.net
Subject: Re: 2 more fbcon rotation bugs
Date: Sun, 20 Nov 2005 10:03:16 +0100	[thread overview]
Message-ID: <43803BD4.7080403@t-online.de> (raw)
In-Reply-To: <437FF1F8.9020307@gmail.com>


>It seems that cfbfillrect and cfbcopyarea were written in a big-endian
>machine (if I'm not mistaken, by Geert on m68k?) as unaligned access in
>little endian produces this bug.
>
>  
>
That patch set fixes my problems with vesafb. For the tested subset of 
possible
font dimensions and rotation values everything seems to be ok now. But maybe
someone with a  big-endian machine should also verify the code.

Isn´t it amazing that code as old as this still contains undetected bugs?

Is there anything like a framebuffer test suite that could be used for a 
quick verification
of especially the seldom used features?

btw: my favourite text editor sedt fails if the number of lines exceeds 
an internal
limit hit by rotation == 1 or 3 and small fonts, but it complains that 
it cannot read
its perfectly readable initialization file in that case ...  I wonder if 
there are more
applications like that.

cu,
 Knut



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  reply	other threads:[~2005-11-20  9:03 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-18 15:23 2 more fbcon rotation bugs Knut Petersen
2005-11-18 20:23 ` Antonino A. Daplas
2005-11-19 10:12   ` Knut Petersen
2005-11-19 10:48     ` Antonino A. Daplas
2005-11-19 11:35     ` Antonino A. Daplas
2005-11-20  3:48     ` Antonino A. Daplas
2005-11-20  9:03       ` Knut Petersen [this message]
2005-11-20  9:58         ` Geert Uytterhoeven
2005-11-20 22:04         ` Antonino A. Daplas
2005-11-22  6:34   ` Knut Petersen
2005-11-22  7:48     ` Antonino A. Daplas
2005-11-22  8:01       ` Knut Petersen

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