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Disable hardware scrolling for now :( It *can* trap on rare occations. Most 

likely interrupt related; It might need to be protected by spl().

Disabled as a precaution until the problem is solved.
This commit is contained in:
reinoud 2007-03-24 00:23:05 +00:00
parent 47665376cc
commit c553649c20
1 changed files with 5 additions and 2 deletions
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7
sys/arch/i386/bios/vesafb.c
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@ -1,4 +1,4 @@
/* $NetBSD: vesafb.c,v 1.21 2007/03/24 00:07:17 reinoud Exp $ */
/* $NetBSD: vesafb.c,v 1.22 2007/03/24 00:23:05 reinoud Exp $ */
/*-
* Copyright (c) 2006 Jared D. McNeill <jmcneill@invisible.ca>
@ -37,7 +37,7 @@
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: vesafb.c,v 1.21 2007/03/24 00:07:17 reinoud Exp $");
__KERNEL_RCSID(0, "$NetBSD: vesafb.c,v 1.22 2007/03/24 00:23:05 reinoud Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -234,6 +234,9 @@ vesafb_attach(struct device *parent, struct device *dev, void *aux)
if (sc->sc_scrollscreens == 0)
sc->sc_scrollscreens = 1;
/* XXX disable hardware scrolling for now; kvm86_call() can trap */
sc->sc_scrollscreens = 1;
sc->sc_screensize = mi->YResolution * mi->BytesPerScanLine;
sc->sc_fbsize = sc->sc_scrollscreens * sc->sc_screensize;