Re: [Linux-fbdev-users] (2.6.9-rc4|2.6.9|2.6.10-rc1) black cursor on console [ppc platform]

[Geert U. <ge...@li...>]

On Tue, 26 Oct 2004, Antonino A. Daplas wrote:
> On Tuesday 26 October 2004 15:34, Guido Guenther wrote:
> > On Tue, Oct 26, 2004 at 04:09:44AM +0800, Antonino A. Daplas wrote:
> > > On Tuesday 26 October 2004 02:49, Elimar Riesebieter wrote:
> > > > On Mon, 25 Oct 2004 the mental interface of
> > > Can you try booting with video=radeonfb:noaccel?
> >
> > I'm not sure if this has already been mentionend outside of the debian-ppc
> > list: this also happens with at least rivafb and offb too.
> 
> This is the first time I knew about this problem.  Note that gpm
> predominantly uses the TIOCLINUX ioctl which mainly manipulates the
> screen_buffer.  
> 
> So each time the mouse is moved, gpm sends an ioctl that complements or
> reverses the attributes of the character underneath the mouse cursor, then
> it sends a putc command (telling the console to repaint the character). It does
> not use the fbcon cursor API.
> 
> In all drivers I tested in the i386, gpm seems towork correctly.
> 
> I can't really much help in this area except for someone with a PPC machine
> to debug the TIOCLINUX ioctl and complement_pos in drivers/char/vt.c and the
> selection code in drivers/char/selection.c.

Just a guess: has anyone recently introduced an endianness-bug somewhere in the
selection code?

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@li...

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds