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Message-ID: <92a12cdb0707271525i46970157ke1b2b2e6575682d6@mail.gmail.com>
Date: Fri, 27 Jul 2007 23:25:59 +0100
From: "Adrian McMenamin" <adrianmcmenamin@gmail.com>
To: "Antonino A. Daplas" <adaplas@gmail.com>
Subject: Re: Problems with framebuffer in 2.6.22-git17
Cc: "Adrian McMenamin" <lkmladrian@gmail.com>, linux-kernel@vger.kernel.org,
       lethal@users.sourceforge.net
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On 27/07/07, Antonino A. Daplas <adaplas@gmail.com> wrote:
> On Fri, 2007-07-27 at 21:18 +0100, Adrian McMenamin wrote:
> > On 27/07/07, Adrian McMenamin <adrianmcmenamin@gmail.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.