Re: auich fifo underrun

[Kouichirou Hiratsuka <hira%po6.nsk.ne.jp@localhost>]

Hello,

At Wed, 13 Feb 2008 16:03:15 +0000,
Patrick Welche wrote:
> On Wed, Feb 13, 2008 at 01:24:59AM +0900, Kouichirou Hiratsuka wrote:
> > I sent a PR about this (kern/37757).
> > 
> >   http://www.NetBSD.org/cgi-bin/query-pr-single.pl?number=37757
> > 
> > I don't know how to fix the problem.  However, rev. 1.119 of auich.c
> > works fine for me.
> 
> It seems that we have the same problem - I don't have the problem in PR 37538.
> 
> One similarity between our configurations is that we both have
> auich and uhci with keyboard on the same interrupt. For you everything
> and more is on irq 11. For me only auich and uhci3 are on irq10,
> and uhci3 is the particular uhci which has the keyboard and mouse
> plugged in. It sort of makes sense then that I get the auich fifo
> underrun when logging in via xdm - I have to move the mouse to
> click the login box => lots of interrupts.
> 
> I just updated my source to get
> 
> sys/usb/uhci.c
> ----------------------------
> revision 1.214
> date: 2008/02/13 00:52:44;  author: smb;  state: Exp;  lines: +6 -3
> Patch from Jared McNeill to prevent USB interrupt storms on resume on
> Thinkpad T61.  (Note: to prevent a very similar-seeming problem, T61
> users should also install firmware 2.06 or later, according to thinkwiki.)
> ----------------------------
> 
> and so far all is well.

The problem seems to be gone.  Please close my PR kern/37757.
Thanks a lot!
--
 Kouichirou Hiratsuka
   hira%po6.nsk.ne.jp@localhost