Date: Wed, 9 Jul 2008 19:41:08 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: kelk1@comcast.net (Quel Qun)
Cc: LKML <linux-kernel@vger.kernel.org>,
       linux-fbdev-devel@lists.sourceforge.net
Subject: Re: No console on Riva TNT since 2.6.26-0.rc4
Message-Id: <20080709194108.f18226e8.akpm@linux-foundation.org>
In-Reply-To: <062620082004.6012.4863F668000CEA0D0000177C2200751090CE05040A05@comcast.net>
References: <062620082004.6012.4863F668000CEA0D0000177C2200751090CE05040A05@comcast.net>
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On Thu, 26 Jun 2008 20:04:56 +0000 kelk1@comcast.net (Quel Qun) wrote:

> Hi,
> 
> The system boots fine with 2.6.26-0.rc3.1mnb (Mandriva Cooker), but since rc4, I see a few squares of color, then a black screen and the console never comes back. This is independent of the resolution chosen when using vga=ask. The machine does boot and I can start X if I log in blindly. Only the F1 to F6 consoles are gone.
> 
> Bug originally reported and ignored on Cooker: https://qa.mandriva.com/show_bug.cgi?id=41302
> 
> My card is an old STB NVidia Riva TNT, monitor is a flat panel Dell 2007FP, system is a Dell Dimension XPS T600 (82371AB/EB/MB PIIX4 with PIII 600).
> 
> I cannot see anything different in /var/log/messages between rc3 and rc4 (vga=837)
> 
> vesafb: framebuffer at 0xfc000000, mapped to 0xd8880000, using 7500k, total
> 16320k
> vesafb: mode is 1600x1200x8, linelength=1600, pages=6
> vesafb: protected mode interface info at c000:02d2
> vesafb: pmi: set display start = c00c030b, set palette = c00c0381
> vesafb: pmi: ports = 3b4 3b5 3ba 3c0 3c1 3c4 3c5 3c6 3c7 3c8 3c9 3cc 3ce 3cf
> 3d0 3d1 3d2 3d3 3d4 3d5 3da
> vesafb: scrolling: redraw
> vesafb: Pseudocolor: size=8:8:8:8, shift=0:0:0:0
> Console: switching to colour frame buffer device 200x75
> fb0: VESA VGA frame buffer device
> 
> This is still true with a vanilla 2.6.26-rc8.
> 
> $ grep FB_RIVA /boot/config
> CONFIG_FB_RIVA=m
> # CONFIG_FB_RIVA_I2C is not set
> # CONFIG_FB_RIVA_DEBUG is not set
> CONFIG_FB_RIVA_BACKLIGHT=y
> 

Let's cc the fbdev list.

Is this a regression?  Was 2.6.25 OK?

Thanks.
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