On Fri, 2007-07-27 at 23:25 +0100, Adrian McMenamin wrote:
> On 27/07/07, Antonino A. Daplas <[email protected]> wrote:
> > On Fri, 2007-07-27 at 21:18 +0100, Adrian McMenamin wrote:
> > > On 27/07/07, Adrian McMenamin <[email protected]> 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.
Possible, par->mmio_base is the last field in struct pvr2fb_par,
after that is the pseudo_palette. The oops did not manifest when the
pseudo_palette was written as u16, but oops'ed when written as u32.
Memory alignment problems?
Try the patch I posted before, might help.
Tony
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