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 [off-list ref]



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