linux-kernel - Re: Problems with framebuffer in 2.6.22-git17

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Date:	Fri, 27 Jul 2007 23:25:59 +0100
From:	"Adrian McMenamin" <adrianmcmenamin@...il.com>
To:	"Antonino A. Daplas" <adaplas@...il.com>
Cc:	"Adrian McMenamin" <lkmladrian@...il.com>,
	linux-kernel@...r.kernel.org, lethal@...rs.sourceforge.net
Subject: Re: Problems with framebuffer in 2.6.22-git17

On 27/07/07, Antonino A. Daplas <adaplas@...il.com> wrote:
> On Fri, 2007-07-27 at 21:18 +0100, Adrian McMenamin wrote:
> > On 27/07/07, Adrian McMenamin <adrianmcmenamin@...il.com> wrote:
> >
> > > With the patch reverted and 24bpp, it oopses before freezing (with two
> > > odd looking boot logos on the screen):
> > >
> > Tested this further and it fails on:
> >
> > rev = fb_readl(par->mmio_base + 0x04);
>
> Doubtful if this line is the point of failure, this line is executed
> only once, on initialization.

par->mmio_base is corrupted in some way during the call to
register_framebuffer - still investigating how/why.
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