From: "Manuel Schölling" <manuel.schoelling@gmx.de>
To: Andrey Utkin <andrey_utkin@fastmail.com>
Cc: plagnioj@jcrosoft.com, tomi.valkeinen@ti.com, jslaby@suse.cz,
gregkh@linuxfoundation.org, kilobyte@angband.pl,
linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v7 0/3] console: Add persistent scrollback buffers for all VGA consoles
Date: Thu, 01 Dec 2016 22:03:23 +0100 [thread overview]
Message-ID: <1480626203.7664.7.camel@gmx.de> (raw)
In-Reply-To: <20161129100115.GA20034@stationary.pb.com>
Hi Andrey,
On Di, 2016-11-29 at 10:01 +0000, Andrey Utkin wrote:
> On Mon, Nov 28, 2016 at 10:28:19PM +0100, Manuel Schölling wrote:
> Regarding logout scrollback clearing not working for me. ncurses-6.0-rc1
> which I tested it with is the latest available in Gentoo portage, please
> confirm whether I need any newer version, or should I tune something
> else. I'd appreciate if you also tested your patch with gentoo setup.
I finally setup gentoo running agetty (util-linux-2.26.2) and patching
the file term-utils/agetty.c with
static void termio_clear(int fd)
{
/*
* Do not write a full reset (ESC c) because this destroys
* the unicode mode again if the terminal was in unicode
* mode. Also it clears the CONSOLE_MAGIC features which
* are required for some languages/console-fonts.
* Just put the cursor to the home position (ESC [ H),
* erase everything below the cursor (ESC [ J), and set the
* scrolling region to the full window (ESC [ r)
*/
- write_all(fd, "\033[r\033[H\033[J", 9);
+ write_all(fd, "\033[3J\033[r\033[H\033[J", 13);
}
solves the issue with the scrollback buffer after log out.
Let me know if you agree that this is the right way to go and I will
send a patch to the maintainer of util-linux.
Thanks again for spending all this time to test the patch!
Have a good weekend!
Manuel
next prev parent reply other threads:[~2016-12-01 21:03 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20161118005309.GC26324@dell-m4800.home>
2016-11-20 21:58 ` [PATCH v5 0/2] console: Add persistent scrollback buffers for all VGA console Manuel Schölling
2016-11-20 21:58 ` [PATCH v5 1/2] console: Move scrollback data into its own struct Manuel Schölling
2016-11-20 21:58 ` [PATCH v5 2/2] console: Add persistent scrollback buffers for all VGA consoles Manuel Schölling
2016-11-20 22:23 ` kbuild test robot
2016-11-21 20:17 ` Adam Borowski
2016-11-22 16:56 ` Manuel Schölling
2016-11-23 17:33 ` Adam Borowski
2016-11-27 16:51 ` [PATCH v7 0/3] " Manuel Schölling
2016-11-27 16:51 ` [PATCH v7 1/3] console: Move scrollback data into its own struct Manuel Schölling
2016-11-27 16:51 ` [PATCH v7 2/3] console: Add callback to flush scrollback buffer to consw struct Manuel Schölling
2016-11-27 16:51 ` [PATCH v7 3/3] console: Add persistent scrollback buffers for all VGA consoles Manuel Schölling
2016-11-27 21:37 ` [PATCH v7 0/3] " Andrey Utkin
2016-11-27 23:15 ` Adam Borowski
2016-11-27 23:30 ` Jakub Wilk
2016-11-28 0:02 ` Andrey Utkin
2016-11-28 21:28 ` Manuel Schölling
2016-11-29 10:01 ` Andrey Utkin
2016-11-29 10:44 ` Adam Borowski
2016-11-29 16:35 ` Manuel Schölling
2016-12-01 21:03 ` Manuel Schölling [this message]
2016-12-01 21:31 ` Andrey Utkin
2016-11-27 23:53 ` Adam Borowski
2016-11-28 21:23 ` Manuel Schölling
2016-11-23 17:33 ` [PATCH v5 2/2] " Manuel Schölling
2016-12-04 10:53 [PATCH v7 0/3] " Manuel Schölling
2016-12-06 10:02 ` Greg KH
2016-12-06 16:32 ` Manuel Schölling
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