Re: tegra on 3.11

[Kyle McMartin <kmcmarti-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]

On Tue, Dec 03, 2013 at 11:30:45AM +0100, Thierry Reding wrote:
> On Wed, Sep 04, 2013 at 02:38:15PM -0400, Kyle McMartin wrote:
> > > > [   29.198018] PCI: enabling device 0000:01:00.0 (0140 -> 0143)
> > > > [   29.198180] Unhandled fault: imprecise external abort (0x406) at
> > > > 0xb6f49000
> > > > [   29.205136] Internal error: : 406 [#1] SMP ARM
> > > > 
> > > > looks to be the first time we touch the HW in rtl_init_one.
> > > > 
> > > > Seen anything similar, or should I start debugging further?
> > > 
> > > PCIe isn't expected to work usefully until 3.12, unless you've manually
> > > merged in Thierry's Tegra PCIe driver rewrite. It's probably worth
> > > disabling it in your .config file.
> > 
> > fwiw, the problem was CONFIG_PCIEPORTBUS in our config, I've not had
> > a chance to track down what the issue actually is, but that driver
> > busted things in 3.11.
> 
> I came across another occurrence of this only recently and now stumbled
> across this old email. Did you by any chance find out what the issue is
> with PCIEPORTBUS?
> 

I think I did -- let me try to dig through my notes next time I'm in the
office and I'll follow up later this week.

Thanks!
 Kyle