mpt: Unable to memory map registers

[John Baldwin]

On Friday, June 15, 2012 2:12:06 am Andrey Zonov wrote:
> On 6/13/12 7:10 PM, John Baldwin wrote:
> > On Tuesday, June 12, 2012 5:57:34 pm Andrey Zonov wrote:
> >> On 6/13/12 12:51 AM, John Baldwin wrote:
> >>> On Tuesday, June 12, 2012 3:53:09 pm Andrey Zonov wrote:
> >>>> On 6/12/12 10:06 PM, John Baldwin wrote:
> >>>>>
> >>>> [snip]
> >>>>> Ok, I've added some more debugging.  The patch is a bit larger now and 
you
> >>> can
> >>>>> fetch it from www.freebsd.org/~jhb/patches/pcib_debug.patch
> >>>>>
> >>>>
> >>>> New dmesg is in attach.
> >>>
> >>> Sheesh, found another bug (wasn't masking 'front' properly).
> >>>
> >>> Try updated patch (same URL).
> >>>
> >>
> >> Great!  It works!
> >
> > Excellent.  I've committed the 2 bugs needed to fix your box.  However,
> > there is another bug that this exposed that I'd like you to test.  Can you
> > update to the latest HEAD, apply the updated pcib_debug.patch, and boot
> > with 'hw.pci.pcib_clear=1' set from the loader?  That should exercise the
> > bug I'm worried about and see if my fixes for that (recursively growing
> > windows) works correctly.
> >
> 
> Attached.

Hmm, it doesn't seem like hw.pci.pcib_clear was set (the pcibX devices still
tried to allocate their initial windows).

-- 
John Baldwin