Subject: Re: 2.6.11-rc3-bk9 (radeon) hangs hard my laptop
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Alessandro Suardi <alessandro.suardi@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
In-Reply-To: <5a4c581d05021216095ec00bf9@mail.gmail.com>
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Date: Sun, 13 Feb 2005 22:12:26 +1100
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On Sun, 2005-02-13 at 01:09 +0100, Alessandro Suardi wrote:
> On Sun, 13 Feb 2005 21:52:55 +1100, Benjamin Herrenschmidt
> <benh@kernel.crashing.org> wrote:
> > 
> > > It's definitely the new radeon changes - replacing
> > >  drivers/video/aty/* and include/video/radeon.h in the
> > >  -bk9 tree with the ones from -bk8 causes the hang to
> > >  not reproduce anymore. CC'd Ben and edited subject
> > >  to more accurately reflect the issue.
> > 
> > Grrr...
> > 
> > Can you try booting with radeonfb.default_dynclk=-1 and if it doesn't
> > help, radeonfb.default_dynclk=0 on the kernel command line ?
> 
> I'm currently booted with -bk9 with default_dynclk = -1 :)

Excellent. You can help me track it down then. Can you look at
radeon_pm.c, function

radeon_pm_enable_dynamic_mode()

The code for your chip is after the comment "/* Others */" (the M7 is an
RV200 chip). Can you comment out the various bits in there and see if
you can locate which one is causing your problem ?

Thanks in advance !

Ben.


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