Problems with ata driver on current / Asus P5Q-E

[Oliver Pinter]

I have the same MB, and it running perfect, but I have only 3 SATA HDD
+ 1 SATA DVD-RW

The ICH is in RAID mode.

Attached my conf and dmesg

Which version of BIOS use You?

[snip]
Southbridge
- 6 x SATA 3Gb/s
- Intel(R) Matrix Storage Technology with RAID 0, 1, 5, 10 support
Marvell 88SE6121
- 1 x UltraDMA 133/100/66 for up to 2 PATA devices
- 1 x External SATA 3Gb/s port (SATA On-the-Go)
Silicon Image Sil5723 (Drive Xpert technology)
- 2 x SATA 3Gb/s
- Supports EZ Backup and Super Speed functions
[snip]

http://www.asus.com/products.aspx?l1=3&l2=11&l3=709&l4=0&model=2267&modelmenu=2

/* sorry for bad english */

On 1/24/09, Scott Gasch <scott.gasch at gmail.com> wrote:
> Hi,
> I've been running a 7.1-p1 (amd64) system and and seeing very high interrupt
> rates on irq19 which is shared between several devices.  Over 60% of one
> core is used responding to interrupts.  The machine also hangs frequently.
>  irq19 is shared by atapci1, atapci2, fwohci0 and uhci4...
> the consensus response to my last question was that "it's probably the ata
> driver".
>
> Today I tried building and booting a GENERIC current kernel and got another
> piece of information.  The freebsd-current GENERIC kernel does not boot;
> shortly after probing the drives it says "Cannot setup DMA" several times on
> the console and hangs.
>
> This machine is an Asus P5Q-E... I believe it has two ATA controllers:
> a Marvell
> 88SE6121 and a Silicon Image SIL5723.  Is one of these chipsets generating
> interrupts that the driver doesn't understand and/or properly dismiss?  Can
> it be put into a legacy mode that works?  This machine has problems in 7.0,
> 7.1 and current... I'm running out of ideas.
>
> Thx,
> Scott
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