From: David Miller <davem@davemloft.net>
To: jengelh@medozas.de
Cc: linux-kernel@vger.kernel.org, adaplas@pol.net, hpa@zytor.com,
alan@lxorguk.ukuu.org.uk, akpm@linux-foundation.org,
torvalds@linux-foundation.org
Subject: Re: 2.6.26-rcX VC console scrolling regression
Date: Fri, 09 May 2008 14:55:24 -0700 (PDT) [thread overview]
Message-ID: <20080509.145524.193685795.davem@davemloft.net> (raw)
In-Reply-To: <alpine.LNX.1.10.0805092124010.28042@fbirervta.pbzchgretzou.qr>
From: Jan Engelhardt <jengelh@medozas.de>
Date: Fri, 9 May 2008 21:24:20 +0200 (CEST)
>
> On Friday 2008-05-09 08:26, David Miller wrote:
> >> My guess is that you see the effects of incomplete font table/position
> >> switching, something along the lines a `cat /dev/urandom` would cause.
> >> Using the very same kernel and boot params (vga=791 or anything to
> >> switch it to fbcon), I cannot trigger the problem on opensuse.
> >
> >Jan, there is code in drivers/video/console/fbcon.c:fbcon_do_set_font()
> >which makes changes to vc->vc_video_erase_char, maybe that code needs
> >to update the new vc->vc_scrl_erase_char you added?
> >
> >It would be nice if you could audit the tree to see if any other cases
> >have been missed like this as well.
> >
> Try this patch please.
That seems to fix the bug, thanks Jan.
Acked-by: David S. Miller <davem@davemloft.net>
next prev parent reply other threads:[~2008-05-09 21:55 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-08 4:46 David Miller
2008-05-08 6:02 ` Andrew Morton
2008-05-08 15:04 ` Linus Torvalds
2008-05-08 9:13 ` Jan Engelhardt
2008-05-08 9:21 ` David Miller
2008-05-08 11:50 ` Jan Engelhardt
2008-05-09 6:26 ` David Miller
2008-05-09 19:24 ` Jan Engelhardt
2008-05-09 21:55 ` David Miller [this message]
2008-05-10 7:48 ` Jan Engelhardt
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