From owner-freebsd-current  Mon Jan 24  5: 0:14 2000
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To: sobomax@altavista.net
Cc: current@freebsd.org, yokota@zodiac.mech.utsunomiya-u.ac.jp
Subject: Re: VESA modes broken in syscons driver 
In-reply-to: Your message of "Mon, 24 Jan 2000 14:38:44 +0200."
             <388C47D4.50FD2100@altavista.net> 
References: <388C47D4.50FD2100@altavista.net> 
Date: Mon, 24 Jan 2000 22:03:35 +0900
From: Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
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>It seems that recent kernels have problems initialising syscons in VESA pixel
>modes. Particularly "vidcontrol VESA_800x600" (actually "vidcontrol
>VESA_800x600 < /dev/ttyv1" to see what's going on ttyv0) command make my kerne
>l
>panicing with the following output:
[...]
>Looking into nm /kernel output I figured that 0xc01baee9 pointer is within
>sc_mouse_move procedure, however I doesn't use moused. Moreover, disabling
>mouse support in syscons (SC_NO_SYSMOUSE) seems like a temporary workaround to
>this bug.

Thank you for the report.  Apply the following patch to 
/sys/dev/syscons/scmouse.c and see if it fixes the problem.

Kazu

Index: scmouse.c
===================================================================
RCS file: /src/CVS/src/sys/dev/syscons/scmouse.c,v
retrieving revision 1.10
diff -u -r1.10 scmouse.c
--- scmouse.c	2000/01/20 13:21:45	1.10
+++ scmouse.c	2000/01/24 12:56:02
@@ -124,8 +124,11 @@
     s = spltty();
     scp->mouse_xpos = x;
     scp->mouse_ypos = y;
-    scp->mouse_pos = scp->mouse_oldpos = 
-	(y/scp->font_size - scp->yoff)*scp->xsize + x/8 - scp->xoff;
+    if (ISGRAPHSC(scp))
+	scp->mouse_pos = scp->mouse_oldpos = 0;
+    else
+	scp->mouse_pos = scp->mouse_oldpos = 
+	    (y/scp->font_size - scp->yoff)*scp->xsize + x/8 - scp->xoff;
     splx(s);
 }
 


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