Date: Wed, 14 Dec 2005 09:11:30 -0800 (PST)
From: "Randy.Dunlap" <rdunlap@xenotime.net>
To: Bernhard Rosenkraenzer <bero@arklinux.org>
cc: linux-kernel@vger.kernel.org
Subject: Re: sata_uli fails to see harddisks on an ASRock 939Dual-SATA2 board
In-Reply-To: <200512141501.10093.bero@arklinux.org>
Message-ID: <Pine.LNX.4.58.0512140905520.29143@shark.he.net>
References: <200512141501.10093.bero@arklinux.org>
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On Wed, 14 Dec 2005, Bernhard Rosenkraenzer wrote:

> On an ASRock 939Dual-SATA2 board, the sata_uli driver recognizes the onboard
> SATA controller (PCI ID 10b9:5289 rev 10, Subsystem 1849:5289), but fails to
> see an attached harddisk (the BIOS identifies the harddisk correctly, so a
> hardware failure is unlikely). sata_uli apparently sees _something_ is
> attached, but doesn't get further. dmesg says:
>
> libata version 1.20 loaded.
> sata_uli 0000:00:12.1: version 0.5
> GSI 18 sharing vector 0xD1 and IRQ 18
> ACPI: PCI Interrupt 0000:00:12.1[A] -> GSI 19 (level, low) -> IRQ 209
> ata1: SATA max UDMA/133 cmd 0xEC00 ctl 0xE082 bmdma 0xD880 irq 209
> ata2: SATA max UDMA/133 cmd 0xE000 ctl 0xDC02 bmdma 0xD888 irq 209
> ata1: SATA link up 1.5 Gbps (SStatus 113)
> scsi0 : sata_uli
> ata2: SATA link down (SStatus 0)
> scsi1 : sata_uli
>
> No disks are found, even though the link (on ata1) is detected.
>
> Verified both with an x86 and an x86_64 kernel, and both 2.6.15-rc5 and
> 2.6.15-rc5-mm2.
>
> Any ideas?

I've seen this and thought that it was MSI interrupt related.
I have suggested disabling CONFIG_PCI_MSI, but (iirc) that
did not fix the problem for someone who tested it.
I'll fiddle with it some... no promises.

-- 
~Randy
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