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From: John Baldwin <jhb@freebsd.org>
To: Andriy Gapon <avg@freebsd.org>
Date: Thu, 9 Jun 2011 08:57:33 -0400
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Cc: freebsd-current@freebsd.org, John <jwd@slowblink.com>
Subject: Re: NEW_PCIB? pcib1: failed to allocate initial I/O port window:
	0x4000-0x4fff
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On Thursday, June 09, 2011 2:11:16 am Andriy Gapon wrote:
> on 09/06/2011 01:30 John said the following:
> > Sorry John, here's the verbose dmesg output with your patch applied.
> > 
> > This is at the tail of the console:
> > 
> > pcib1: allocated memory range (0xf6000000-0xf6ffffff) for rid 10 of pci0:1:3:0
> >         map[14]: type I/O Port, range 32, base 0x4400, size  8, enabled
> > pcib1: failed to allocate initial I/O port window (0x4000-0x4fff,0x1000)
> >         map[18]: type Memory, range 32, base 0xf5ff0000, size 12, enabled
> > 
> > 
> > Output ends with a single 'M', not MCA as earlier.
> 
> 
> Just a wild guess - what happens if you revert r222537 (you might need to revert
> r222804 first)?

I think he's getting a MCA due to writing to a bad address and getting a
PCI-e target abort equivalent and that the screen output is broken
because the VGA device is what is probably getting hosed by the pcib driver.

Given that, I doubt the printf changes are related.

-- 
John Baldwin