From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "Marc Poulhiès" <marc.poulhies@epfl.ch>
Cc: Andrew Morton <akpm@osdl.org>,
Linux Fbdev development list
<linux-fbdev-devel@lists.sourceforge.net>
Subject: Re: Fw: [Bugme-new] [Bug 4217] New: radeonfb makes system hang and LCD "burn"
Date: Wed, 16 Feb 2005 08:49:02 +1100 [thread overview]
Message-ID: <1108504143.13376.14.camel@gaston> (raw)
In-Reply-To: <87fyzxsdo7.fsf@kataplop.net>
On Tue, 2005-02-15 at 22:42 +0100, Marc Poulhiès wrote:
> Benjamin Herrenschmidt <benh@kernel.crashing.org> writes:
>
> > 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).
>
> Seems to work a bit more. Module loads correctly, system is still
> responding, but display is not correct. System caret seems to be the
> only thing displayed, and it moves when I type, but no characters get
> displayed.
>
> Do you need some more informations? (like debug output)
Try building radeonfb in the kernel and booting with
radeonfb.default_dynclk=-1, let me know if that works. fbdev's in
modules have always been sort-of dodgy....
The "dynclk" thing has issues, the upstream code from ATI has some bugs
plus there is something weird going on which I suspect might be a
miscompile of a bit of code in there. I'll send a patch working around
that today.
Ben.
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next prev parent reply other threads:[~2005-02-15 21:49 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-15 20:15 Fw: [Bugme-new] [Bug 4217] New: radeonfb makes system hang and LCD "burn" Andrew Morton
2005-02-15 21:15 ` Benjamin Herrenschmidt
2005-02-15 21:42 ` Marc Poulhiès
2005-02-15 21:49 ` Benjamin Herrenschmidt [this message]
2005-02-16 18:43 ` Marc Poulhiès
2005-02-16 22:15 ` Benjamin Herrenschmidt
2005-02-17 8:02 ` Marc Poulhiès
2005-02-17 8:41 ` Benjamin Herrenschmidt
2005-02-20 20:13 ` Marc Poulhiès
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