linux-kernel - Re: BUG in 2.6.22-rc2-mm1: NIC module b44.c broken (Broadcom 4400)

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Date:	Sat, 26 May 2007 18:20:52 +0200
From:	Uwe Bugla <uwe.bugla@....de>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Michael Buesch <mb@...sch.de>,
	Maximilian Engelhardt <maxi@...monizer.de>,
	linux-wireless@...r.kernel.org,
	"linux-kernel" <linux-kernel@...r.kernel.org>
Subject: Re: BUG in 2.6.22-rc2-mm1: NIC module b44.c broken (Broadcom 4400)

Am Samstag, 26. Mai 2007 18:13 schrieben Sie:
> On Sat, 26 May 2007 17:50:48 +0200 Michael Buesch <mb@...sch.de> wrote:
> > Andrew,
> >
> > I am going to ignore Uwe from now on. It's simply impossible
> > to debug the problem the way he is responding.
> > Well, I'm not the first person in the Linux community adding
> > him to the killfile, ... .
>
> Well yes, there are some personality issues here ;) But the main thing is
> to struggle on and fix this bug, wherever it lies.
>
> > I ask to try wireless-dev, as the driver works perfectly fine
> > for me there, but he refuses to try it, too. So I'm stuck.
>
> I don't think he knows how to obtain it.
>
> Uwe, http://userweb.kernel.org/~akpm/git-wireless.patch.gz is the current
> wireless tree.  That's a patch against 2.6.22-rc3.  Could you please test
> that?  If that works then we know that the bug probably lies outside the
> b44 driver (or it was subsequently fixed).

Thank you, Andrew, just wait for a while. I am gonna try.....

>
> > I already tried your -mm kernel, but it crashes on my machine
> > for other reasons. (Yeah, I should look into them, too :P )
>
> err, please do.  Just the oops trace would be a start.
>
> > Andrew, is it possible that the breakage was introduced in the
> > merge process somehow? Didn't the patch apply cleanly? Are there
> > other changes to b44 I should know about in your tree?
>
> Only git-wireless.net modifies b44.c but if we're having IRQ assignment
> problems then we'd need to look elsewhere.  I guess you could diff
> rc2-mm1's b44.c against the expected version.
>
> > If it is really impossible to debug this problem, I'd like to
> > suggest you to drop the b44-ssb port completely.
>
> Well we don't know if that'll fix it.
>
> I believe that Uwe said that reverting the b44.c changes from rc2-mm1 fixes
> things for him?  Odd, but it still doesn't rule out acip/pci/platform
> changes as being the cause.

No, Andrew, not odd, but simply real! And Maximilian Engelhardt replied 
something similar on that.... : )

Cheers

Uwe

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