linux-kernel - Re: 2.6.20-rc4-mm1 USB (asix) problem

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Message-id: <1169035248.11226.11.camel@dhollis-lnx.sunera.com>
Date:	Wed, 17 Jan 2007 07:00:48 -0500
From:	David Hollis <dhollis@...ehollis.com>
To:	ebuddington@...leyan.edu
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.20-rc4-mm1 USB (asix) problem

On Tue, 2007-01-16 at 17:59 -0500, Eric Buddington wrote:
> On Mon, Jan 15, 2007 at 08:32:17PM +0000, David Hollis wrote:
> > Interesting.  It would really be something if your devices happen to
> > work better with 0.  Wouldn't make much sense at all unfortunately.  If
> > 0 works, could you also try setting it to 2 or 3?  The PHY select value
> > is a bit field with the 0 bit being to select the onboard PHY, and 1 bit
> > being to 'auto-select' the PHY based on link status.  The data sheet
> > indicates that 3 should be the default, but all of the literature I have
> > seen from ASIX says to write a 1 to it.
> 
> My hardware is ver. B1.
> 
> 0, 2, and 3 all worked for me. 1, as before, does not.
> 

That's good to hear.  Some other patches have started floating around to
deal with these cases of internal vs. external PHY's and also seem to
work.

> 'rmmod asix' takes a really long time (45-80s) with any setting, and
> sometimes coincides with ksoftirqd pegging (99.9% CPU) for several
> seconds.

This I haven't seen before.  Does it occur even when the device is able
to work (using 0 or the like from above)?  This may be due to something
else in the USB subsystem or something.

-- 
David Hollis <dhollis@...ehollis.com>

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