Hi!
> \E[3J console code (secure clear screen) needs to update_screen(vc)
> in order to write-through blanks into off-screen video memory.
I guess it is also suitable for stable, right?
Thanks,
Pavel
> This has been removed accidentally in 3.6 by:
>
> commit 81732c3b2fede049a692e58a7ceabb6d18ffb18c
> Author: Jean-François Moine <moin...@free.fr>
> Date: Thu Sep 6 19:24:13 2012 +0200
>
> tty vt: Fix line garbage in virtual console on command line edition
>
> Signed-off-by: Petr Písař <petr.pi...@atlas.cz>
> ---
> drivers/tty/vt/vt.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
> index 61b1137..23b5d32 100644
> --- a/drivers/tty/vt/vt.c
> +++ b/drivers/tty/vt/vt.c
> @@ -1164,6 +1164,8 @@ static void csi_J(struct vc_data *vc, int vpar)
> scr_memsetw(vc->vc_screenbuf, vc->vc_video_erase_char,
> vc->vc_screenbuf_size >> 1);
> set_origin(vc);
> + if (CON_IS_VISIBLE(vc))
> + update_screen(vc);
> /* fall through */
> case 2: /* erase whole display */
> count = vc->vc_cols * vc->vc_rows;
--
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http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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