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From: John Baldwin <jhb@freebsd.org>
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Date: Thu, 2 Aug 2012 13:58:59 -0400
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Cc: Alexander Motin <mav@freebsd.org>, Steve Polyack <korvus@comcast.net>,
	freebsd-hardware@freebsd.org
Subject: Re: Problem detecting Sil3124 SATA controllers off of Sandy Bridge
	northbridge-connected PCIe slots
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On Thursday, August 02, 2012 10:21:20 am Steve Polyack wrote:
> Hi,
> 
> We're having some trouble with detection of a couple of Sil3124 SATA 
> controller cards on newer motherboard and processor combos. 
> Specifically, we're running a Supermicro X9SCM-F motherboard (latest 
> BIOS) and Intel E3-1220v2 CPU.
> 
> What we're seeing:
> - Syba Sil3124 PCIe cards are only being detected when installed in PCIe 
> Slot 4
> -- The motherboard documentation shows that this is the only slot 
> connected to the Intel C202/204 chipset on the motherboard
> -- Slots 5, 6, and 7 are connected to the integrated northbridge on the 
> Ivy Bridge CPU
> (there is no slot 1, 2, or 3)
> 
> FreeBSD won't detect even a single Sil3124 card installed in PCIe slot 
> 5, 6, or 7.  If we put an Intel Dual-port NIC in either of one of these 
> slots, it is detected just fine.
> 
> I've attached a verbose dmesg.boot from this box running FreeBSD 
> 9.0-RELEASE.  We've also tried 8.1-RELEASE, 8.2-RELEASE, and 9.1-BETA1 
> with the same results.  Booting with ACPI disabled results in a kernel 
> panic during the boot process.
> 
> I'd greatly appreciate any help or suggestions on this matter. We've 
> already tried just about every BIOS option on the board.

Does the device show up in pciconf -l output?

-- 
John Baldwin