From: David Brownell <david-b@pacbell.net>
To: linux-usb-devel@lists.sourceforge.net
Subject: Re: [linux-usb-devel] Re: Commit "[PATCH] USB: Always do usb-handoff" breaks my powerbook
Date: Mon, 31 Oct 2005 20:17:39 -0800
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Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
       Paul Mackerras <paulus@samba.org>,
       Alan Stern <stern@rowland.harvard.edu>, linux-kernel@vger.kernel.org
References: <17253.43605.659634.454466@cargo.ozlabs.ibm.com> <200510311909.32694.david-b@pacbell.net> <1130815836.29054.420.camel@gaston>
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> > > "ppc" doens't do anything fancy that other archs don't do too, please
> > > stop with your "ppc specific" thing all over the place.
> > 
> > When the only problem reports come from PPC hardware, it sure looks
> > PPC-specific to me.
> 
> Bla bla bla bla... can you stop the crackpipe please ?

Maybe you should first pay attention to what I pointed out:  that
the problem reports I've seen have ONLY been on PPC systems.

Like the powerbook in $SUBJECT ... people without PPCs are unlikely
to hit such issues, judging by the evidence so far.  (Though of course
it'd be possible...)


> >                  ?If such issues get reported on non-PPC hardware
> > (with those unique-to-ppc changes to PCI enumeration) then I'll stop
> > thinking of it as PPC-specific. ?Until then ... ;)


I guess one point to be made is that although x86 gets the most testing
right away, PPC lately isn't far behind.  Latent bugs in usb-handoff
logic got surfaced by this patch ... there could be others.  I suspect
nobody except x86 users have been running that code much at all.

- Dave

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