Subject: Re: port-i386/22134
To: Chuck Silvers <chuq@chuq.com>
From: Manuel Bouyer <bouyer@antioche.lip6.fr>
List: netbsd-bugs
Date: 02/14/2005 17:36:24
On Mon, Feb 14, 2005 at 07:58:32AM -0800, Chuck Silvers wrote:
> On Mon, Feb 14, 2005 at 12:29:09PM +0100, Manuel Bouyer wrote:
> > On Mon, Feb 14, 2005 at 01:41:19AM +0000, chs@NetBSD.org wrote:
> > > Synopsis: pciide panic (fatal page fault in supervisor mode after pciide DMA trouble)
> > > 
> > > State-Changed-From-To: open->feedback
> > > State-Changed-By: chs@netbsd.org
> > > State-Changed-When: Mon, 14 Feb 2005 01:41:18 +0000
> > > State-Changed-Why:
> > > there have been lots of pciide fixes since then,
> > > are you still seeing this problem in 2.0 or -current?
> > 
> > FWIW, this looks more like a VM issue than driver. bus_dma(9) is failing to
> > get some memory.
> 
> it's returning EINVAL, which in the x86 bus_dma code means that either the
> caller has asked to load a region outside the dmamap or that something has
> gotten out of whack with bounce buffering.  doesn't sound like VM to me.  :-)

Sorry, I didn't look at the error code. But I still don't understand how it
could come in this state. Maybe it's a side effect of a previous error ...

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--