Re: Fw: [Bugme-new] [Bug 4217] New: radeonfb makes system hang and LCD "burn"

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

On Tue, 2005-02-15 at 12:15 -0800, Andrew Morton wrote:
> 
> Begin forwarded message:
> 
> Date: Tue, 15 Feb 2005 12:03:52 -0800
> From: bugme-daemon@osdl.org
> To: bugme-new@lists.osdl.org
> Subject: [Bugme-new] [Bug 4217] New: radeonfb makes system hang and LCD "burn"

What if you load the module with option "default_dynclk=-1" ?

(Or if radeonfb is built-in, do radeonfb.default_dynclk=-1 on the kernel
command line). 

Ben.

> 
> http://bugme.osdl.org/show_bug.cgi?id=4217
> 
>            Summary: radeonfb makes system hang and LCD "burn"
>     Kernel Version: 2.6.11-rc3
>             Status: NEW
>           Severity: high
>              Owner: jsimmons@infradead.org
>          Submitter: marc.poulhies@epfl.ch
> 
> 
> Distribution: debian sid
> Hardware Environment:i686, Radeon Mobility M7 LW [Radeon Mobility 7500]
> Software Environment:
> Problem Description:
> When radeonfb gets loaded, system hangs and LCD display (this is a laptop)
> "burns" (seems classic when noone handles the display).
> 
> Steps to reproduce:
> Starts in single user, then "modprobe radeonfb"
> 
> I tried to get some debug information by compiling the debug support, but I
> can't get kernel message to another computer (I tried with netcat).
> This seems to cause some problem with DRI also. I boot without radeonfb, X
> starts, then a switch to console has the same effect (freeze + "burn")
> 
> (same with -rc4)
> 
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-- 
Benjamin Herrenschmidt <benh@kernel.crashing.org>



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