Date: Fri, 25 Sep 2009 09:57:05 -0400 From: John Baldwin <jhb@freebsd.org> To: "Daniel O'Connor" <doconnor@gsoft.com.au> Cc: Attilio Rao <attilio@freebsd.org>, alc@freebsd.org, freebsd-stable@freebsd.org Subject: Re: 8.0-RC1 panic attaching ppc Message-ID: <200909250957.06252.jhb@freebsd.org> In-Reply-To: <200909251650.16283.doconnor@gsoft.com.au> References: <200909232322.51060.doconnor@gsoft.com.au> <200909240920.05027.jhb@freebsd.org> <200909251650.16283.doconnor@gsoft.com.au>
next in thread | previous in thread | raw e-mail | index | archive | help
On Friday 25 September 2009 3:20:05 am Daniel O'Connor wrote: > On Thu, 24 Sep 2009, John Baldwin wrote: > > Can you try this patch perhaps: > > > > Index: sys/amd64/isa/isa_dma.c > > =================================================================== > > --- isa_dma.c (revision 197430) > > +++ isa_dma.c (working copy) > > This patch fixes the panic for me. > > I haven't tried printing (don't have any device handy here). I wonder if pmap_extract(kernel_pmap) doesn't work with direct map addresses for some reason? I kind of find that hard to believe actually. Alan, the original panic was in pmap_extract(kernel_pmap, ...) calls in the isa_dma code. My patch that "fixes" the panic just changes them to pmap_kextract(). -- John Baldwin
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200909250957.06252.jhb>