Re: Radeonfb blanks the screen / hangs the system with 2.6.11

[Benjamin Herrenschmidt <benh@kernel.crashing.org>]

On Mon, 2005-03-21 at 14:01 +0300, Dmitry Antipov wrote:
> Hello,
> 
> this looks like an issue with radeonfb driver.
> 
> If radeonfb and fb console are built-in, the console blanks and system 
> bootup
> stopped immediately after switching to fb console, and monitor displays 
> "No signal"
> message. C-A-D works, but nothing is logged.
> 
> For modular radeonfb, the console becomes blank after 'modprobe 
> radeonfb'. But the
> rest of the system is fine and console input works, so I can safely 
> reboot the box
> and get log messages at the next boot:
> The host OS is Fedora Core 3. Hardware is:
>  - MB Asus P5GD1
>  - CPU Intel P4 3.2 GHz
>  - Video Asus EAX600XT/HTVD (PCIE)

You mean the card is a PCI Express card ? Hrm... I'm not sure that was
ever tested. I can't tell precisely what's up at this point, the dmesg
looks normal except that the panel appears to be detected twice, but
that's harmless.

> According to http://kerneltrap.org/mailarchive/1/message/28472/thread, 
> I've also
> tried both built-in and modular versions with non-default 'default_dynclk'
> (-1, 0 and 1), but this was a no-op in my case.
> 
> Dmitry
> 
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-- 
Benjamin Herrenschmidt <benh@kernel.crashing.org>