Date: Tue, 19 Aug 2003 09:27:51 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: kuku@physik.rwth-aachen.de Cc: freebsd-mobile@freebsd.org Subject: Re: wi0_cmd: busy bit won't clear Message-ID: <20030819.092751.38784447.imp@bsdimp.com> In-Reply-To: <20030819152026.GC21577@gilberto.physik.rwth-aachen.de> References: <20030819070423.GA15054@gilberto.physik.rwth-aachen.de> <20030819.085627.21114568.imp@bsdimp.com> <20030819152026.GC21577@gilberto.physik.rwth-aachen.de>
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In message: <20030819152026.GC21577@gilberto.physik.rwth-aachen.de>
"Christoph P. Kukulies" <kuku@physik.rwth-aachen.de> writes:
: On Tue, Aug 19, 2003 at 08:56:27AM -0600, M. Warner Losh wrote:
: > In message: <20030819070423.GA15054@gilberto.physik.rwth-aachen.de>
: > "Christoph P. Kukulies" <kuku@physik.rwth-aachen.de> writes:
: > : So there may be a different timing situation.
: >
: > That seems to be a common theory.
:
: Do you have any other insights on this matter meanwhile?
: Anything one could test?
It seems that the new code sends out packets more quickly than the
old, and if you try to reset it while it has packets in flight, bad
things happen. Or one thread is commanding the card to do something
that it doesn't like to reset out of. There may be other issues as
well.
Warner
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