linux-kernel - Re: Problems with fb console [was Re: 2.6.12-rc4-mm2]

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Message-Id: <20070626175433.dceee930.akpm@linux-foundation.org>
Date:	Tue, 26 Jun 2007 17:54:33 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	"J.A. Magallón" <jamagallon@....com>
Cc:	linux-kernel@...r.kernel.org,
	"Antonino A. Daplas" <adaplas@....net>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: Problems with fb console [was Re: 2.6.12-rc4-mm2]

On Wed, 27 Jun 2007 02:35:27 +0200 "J.A. Magallón" <jamagallon@....com> wrote:

> On Mon, 16 May 2005 02:13:02 -0700, Andrew Morton <akpm@...l.org> wrote:
> 
> > 
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.12-rc4/2.6.12-rc4-mm2/
> > 
> > 
> 
> Hi...
> 
> I have a (stupid, I suppose) problem with framebuffer console.
> I have builtin VESAFB in this kernel, so:
> 
> werewolf:/boot# grep _FB config-2.6.21-jam09 | grep =y
> CONFIG_FB=y
> CONFIG_FB_CFB_FILLRECT=y
> CONFIG_FB_CFB_COPYAREA=y
> CONFIG_FB_CFB_IMAGEBLIT=y
> CONFIG_FB_DEFERRED_IO=y
> CONFIG_FB_MODE_HELPERS=y
> CONFIG_FB_VESA=y
> werewolf:/boot# grep CONSO config-2.6.21-jam09
> # CONFIG_NETCONSOLE is not set
> CONFIG_VT_CONSOLE=y
> CONFIG_HW_CONSOLE=y
> # CONFIG_VT_HW_CONSOLE_BINDING is not set
> CONFIG_VGA_CONSOLE=y
> CONFIG_DUMMY_CONSOLE=y
> CONFIG_FRAMEBUFFER_CONSOLE=y
> # CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set
> # CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
> 
> I put this line in grub's menu.lst:
> 
> kernel /boot/vmlinuz video=vesafb:mtrr,ywrap vga=0x31A ro root=/dev/sdc1
> 
> (tried both with hex and decimal).
> 
> but grub keeps telling me it can't set that video mode, and I have no
> /dev/fb0 device to try with fbset. I have a '29 fb' line in /proc/devices.
> 
> Any ideas about why the device is missing ? udev is 113...
> I have followed al the info I could get (linux/Documentation/fb/, Google ;) )
> and all say that what I'm doing should work. What am I doing wrong ?
> 

Methinks that'll be git-newsetup changes?
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