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

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Date:	Tue, 24 Jul 2007 22:45:23 +0100
From:	"Adrian McMenamin" <lkmladrian@...il.com>
To:	"Antonino A. Daplas" <adaplas@...il.com>
Cc:	"Adrian McMenamin" <adrianmcmenamin@...il.com>,
	linux-kernel@...r.kernel.org, lethal@...rs.sourceforge.net
Subject: Re: Problems with framebuffer in 2.6.22-git17

On 23/07/07, Antonino A. Daplas <adaplas@...il.com> wrote:
> On Sun, 2007-07-22 at 19:41 +0100, Adrian McMenamin wrote:
> > I ma having problems with the pvr2 fb on the Dreamcast in 2.6.22-git17
> > - when the code is executed it appears to lock the Dreamcast up.
> >
> > The problem seems to be:
> >
> >  fb_notifier_call_chain(FB_EVENT_FB_REGISTERED, &event);
> >
> > In drivers/video/fbmem.c
> >
> > This hasn't been an issue before, so are there any recent changes that
> > might have caused this?
>
> What's the last kernel that worked for you? Can you also post your
> config?
>
> >
> > (fb_notifier_call_chain calls a succession of stubs ending in
> > __blocking_notifier_call_chain in kernel/sys.c)
> >
>
> Try reverting commit a66ad56eb2c9644717da4d7f05f971d6786145e3.
>
> Tony
>

Tony,

I have checked this a few times now, including against Paul's git as
well as Linus's and the Dreamcast won't boot without its reversion.
Don't know why, but it needs to be reverted until a better fix is
available.

Adrian
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