linux-kernel - Re: radeon KMS (R100) on dell inspiron 5100 blank screen

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Date:	Sun, 25 Sep 2011 10:07:07 -0400
From:	Wakko Warner <wakko@...mx.eu.org>
To:	Dave Airlie <airlied@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: radeon KMS (R100) on dell inspiron 5100 blank screen

Dave Airlie wrote:
> >> Here's the relevent dmesg:
> >>
> >> [drm] radeon defaulting to kernel modesetting.
> >> [drm] radeon kernel modesetting enabled.
> >> [drm] initializing kernel modesetting (RV200 0x1002:0x4C57).
> >> [drm] register mmio base: 0xFCFF0000
> >> [drm] register mmio size: 65536
> >> radeon 0000:01:00.0: Invalid ROM contents
> >> radeon 0000:01:00.0: Invalid ROM contents
> >> [drm:radeon_get_bios] *ERROR* Unable to locate a BIOS ROM
> 
> ^^ this is  strange on an x86 machine, we should always be able to find a
> BIOS,
> 
> The only thing I can think off is the BIOS is corrupted somehow,
> 
> if you run nomodeset can you get an Xorg.0.log?

X works fine with KMS disabled.  Here is my /etc/modprobe.d/radeon-kms.conf
options radeon modeset=0

I have attached the Xorg.0.log file.  I do not have an xorg.conf file.

Do you think it would help if I reflash the computer's bios?  I checked
Dell's site when I saw the error in dmesg and I have the latest.

View attachment "Xorg.0.log" of type "text/plain" (43105 bytes)