[clug] Debain Squeeze + Raedon 6450

Duncan Roe duncan_roe at acslink.net.au
Sat Mar 17 01:11:07 MDT 2012

Hi Kevin,

On my (Slackware) system, "man 4 radeon" lists "CAICOS Radeon HD 6450" as
supported. I.e. radeon, not radeonhd. There are also microcode files
CAICOS_mc.bin CAICOS_me.bin CAICOS_pfp.bin some or all of which you may need.

Cheers ... Duncan.

On Sat, Mar 17, 2012 at 03:32:51PM +1100, Kevin Murray wrote:
> Hi all,
> My trusty old Ubuntu 10.04 production install finally died today (it's been
> on it's last legs for a while), and i've resuscitated a squeeze (6.04)
> partion i was playing around with a month or so ago. My current desktop has
> a graphics card with the Radeon HD 6450 chip (ASUS, 1gb ddr3). I couldn't
> get the free drivers working in squeeze over summer, and so install the
> proprietary Catalyst drivers. This gave my the native 1920x1080 resolution,
> but the speed was abysmal so i uninstalled and retried the free drivers, to
> no avail.
> Does anyone know how to get the OS drivers working? The problem i'm facing
> is this:
> On boot, the ususal kernel/init output proceeds normally, but when it
> reaches the stage where GDM would normally be shown, the screen turns blank
> except for a flickering cursor marker in the far top left corner. If one
> holds (not presses) ctrl-alt-F1, then the contents which would normally be
> shown on tty1 (i.e. kernel/init output followed by login prompt at the
> bottom of the screen) flickers up, as though one was rapidly switching from
> the blank screen to tty1.
> To get to this stage, i followed http://wiki.debian.org/AtiHowTo pretty
> much to the letter, after uninstalling the catalyst driver. I remember last
> time i hit a dead end with regards to the kernel not supporting KMS if that
> helps (firmware-linux and firmware-linux-nonfree are installed)
> I can attach x11 logs if you would like.
> Cheers,
> Kevin
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