On Sun, Mar 17, 2002 at 11:31:09AM -0500, Daniel Jacobowitz wrote:
> On Sun, Mar 17, 2002 at 08:48:44PM +0900, Junichi Uekawa wrote:
> > "Chris Tillman" <[EMAIL PROTECTED]> cum veritate scripsit:
> >
> > > reassign 134014 bterm
> > > quit
> > >
> > > I verified the problem also occurs with the same video monitor using
> > > a different computer (9500).
> >
> > I haven't seen the split-screen effect directly so I do not exactly
> > know, but it sounds most likely that the framebuffer driver is at
> > fault.
>
> Maybe, maybe not. Chris, two things: can you reproduce this without
> the boot-floppies (just running bterm, but booting that kernel with the
> same settings)? And does this patch make a difference? I think it
> should.
>
The patch works! Thanks Dan!
It also helps the appearance because it's sized properly now.
Adam, we need a new bterm to come in for the next build to fix this.
> Index: bogl.c
> ===================================================================
> RCS file: /opt/local/cvs/bogl/bogl.c,v
> retrieving revision 1.3
> diff -u -p -r1.3 bogl.c
> --- bogl.c 2001/12/01 17:14:20 1.3
> +++ bogl.c 2002/03/17 16:30:30
> @@ -39,6 +39,11 @@
> #include <sys/types.h>
> #include <termios.h>
> #include <unistd.h>
> +
> +/* Yes, I know, we shouldn't be including headers from the kernel. But
> + XFree86 also uses this one (to get PAGE_MASK) so it's probably safe. */
> +#include <asm/page.h>
> +
> #include "bogl.h"
> #include "boglP.h"
> #if BOGL_VGA16_FB
> @@ -85,6 +90,9 @@ static __u16 saved_blue[16];
>
> static int gray; /* Convert colors to grayscale? */
>
> +static char *bogl_frame_mapped; /* Page aligned, while bogl_frame might
> + not be. */
> +
> /* Functions. */
>
> static size_t init_fb (void);
> @@ -101,6 +109,7 @@ static struct fb_fix_screeninfo fb_fix;
> int
> bogl_init (void)
> {
> + unsigned long bogl_frame_offset, bogl_frame_len;
> struct fb_var_screeninfo fb_var;
> struct vt_stat vts;
>
> @@ -151,10 +160,17 @@ bogl_init (void)
> if (!init_fb())
> return 0;
>
> - bogl_frame = mmap (NULL, fb_fix.smem_len, PROT_READ | PROT_WRITE, MAP_SHARED, fb,
>0);
> - if (bogl_frame == NULL || bogl_frame == (char *) -1)
> + bogl_frame_offset = fb_fix.smem_start & ~PAGE_MASK;
> + bogl_frame_len = ((bogl_frame_offset + fb_fix.smem_len + ~PAGE_MASK)
> + & PAGE_MASK);
> +
> + bogl_frame_mapped
> + = mmap (NULL, bogl_frame_len, PROT_READ | PROT_WRITE, MAP_SHARED, fb, 0);
> + if (bogl_frame_mapped == NULL || bogl_frame_mapped == (char *) -1)
> return bogl_fail ("mmaping /dev/fb0: %s", strerror (errno));
> -
> +
> + bogl_frame = bogl_frame_mapped + bogl_frame_offset;
> +
> kbd_init ();
>
> if (visual == FB_VISUAL_PSEUDOCOLOR
>
>
> --
> Daniel Jacobowitz Carnegie Mellon University
> MontaVista Software Debian GNU/Linux Developer
>
--
*------v--------- Installing Debian GNU/Linux 3.0 --------v------*
| <http://www.debian.org/releases/woody/installmanual> |
| debian-imac (potato): <http://debian-imac.sourceforge.net> |
| Chris Tillman [EMAIL PROTECTED] |
| May the Source be with you |
*----------------------------------------------------------------*
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