From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Antonino A. Daplas" Subject: Re: fbcon bug? Date: Tue, 15 Nov 2005 04:10:38 +0800 Message-ID: <4378EF3E.8050609@gmail.com> References: <4377F564.6000704@comcast.net> <20051114191340.GA12139@sci.fi> Reply-To: linux-fbdev-devel@lists.sourceforge.net Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Return-path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1EbkfN-0003UE-5X for linux-fbdev-devel@lists.sourceforge.net; Mon, 14 Nov 2005 12:11:01 -0800 Received: from xproxy.gmail.com ([66.249.82.195]) by mail.sourceforge.net with esmtp (Exim 4.44) id 1EbkfL-0000rw-6q for linux-fbdev-devel@lists.sourceforge.net; Mon, 14 Nov 2005 12:11:00 -0800 Received: by xproxy.gmail.com with SMTP id s6so1604638wxc for ; Mon, 14 Nov 2005 12:10:54 -0800 (PST) In-Reply-To: <20051114191340.GA12139@sci.fi> Sender: linux-fbdev-devel-admin@lists.sourceforge.net Errors-To: linux-fbdev-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: List-Post: List-Help: List-Subscribe: , List-Archive: Content-Type: text/plain; charset="iso-8859-1" To: linux-fbdev-devel@lists.sourceforge.net Ville Syrj=E4l=E4 wrote: > On Sun, Nov 13, 2005 at 09:24:36PM -0500, Zack Smith wrote: >> Hi all, >> >> I've noticed that 2.6.14, when a console switch occurs going >> from a console that is KD_TEXT to one that is KD_GRAPHICS, >> fbcon doesn't seem to immediately shut down the cursor. It appears >> to draw or undraw the cursor at least once before it disables >> cursor activity due to graphics mode. >> >> Does anybody know if this bug has been corrected in 14.1 or .2, >> or if anyone would mind if I go in and fix it? >=20 > I'm not sure if it's related but there is a cursor problem with atyfb.=20 > When doing ioctl(... KD_GRAPHICS) the cursor remains visible in most=20 > cases. Sometimes it does disappear properly but that is quite rare.=20 > However doing a vt switch to another vt and back again seems to fix it=20 > every time so I'm not sure it's the same problem you're seeing. None of= =20 > the other fb drivers I use implement a hardware cursor which is probabl= y=20 > the reason I'm only seeing it on atyfb. > Once the console is in KD_GRPHICS mode, all access the to the framebuffer are essentially stopped. So depending on the state of the cursor (visibl= e or not), it will stay that way even if a command to erase or draw the cursor is given. You may tell the console to erase the cursor before going to KD_GRAPHICS mode as a workaround. Tony ------------------------------------------------------- SF.Net email is sponsored by: Tame your development challenges with Apache's Geronimo App Server. Downl= oad it for free - -and be entered to win a 42" plasma tv or your very own Sony(tm)PSP. Click here to play: http://sourceforge.net/geronimo.php