Greg, are you picking up this patch?
Would be nice to have in v4.19.1.
On Tue, 23 Oct 2018, Nicolas Pitre wrote:
> On Tue, 23 Oct 2018, Mikulas Patocka wrote:
>
> > If you run aptitude on framebuffer console, the display is corrupted. The
> > corruption is caused by the commit d8ae7242. The patch adds "offset" to
> > "start" when calling scr_memsetw, but it forgets to do the same addition
> > on a subsequent call to do_update_region.
> >
> > Signed-off-by: Mikulas Patocka <mpato...@redhat.com>
> > Fixes: d8ae72427187 ("vt: preserve unicode values corresponding to screen
> > characters")
> > Cc: sta...@vger.kernel.org # 4.19
>
> Good catch.
>
> Reviewed-by: Nicolas Pitre <n...@linaro.org>
>
> > ---
> > drivers/tty/vt/vt.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > Index: linux-2.6/drivers/tty/vt/vt.c
> > ===================================================================
> > --- linux-2.6.orig/drivers/tty/vt/vt.c 2018-10-23 16:15:08.000000000
> > +0200
> > +++ linux-2.6/drivers/tty/vt/vt.c 2018-10-23 16:29:20.000000000 +0200
> > @@ -1551,7 +1551,7 @@ static void csi_K(struct vc_data *vc, in
> > scr_memsetw(start + offset, vc->vc_video_erase_char, 2 * count);
> > vc->vc_need_wrap = 0;
> > if (con_should_update(vc))
> > - do_update_region(vc, (unsigned long) start, count);
> > + do_update_region(vc, (unsigned long)(start + offset), count);
> > }
> >
> > static void csi_X(struct vc_data *vc, int vpar) /* erase the following
> > vpar positions */
> >
>
