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Date: Tue, 07 Apr 2009 22:51:17 +0300
From: Alexander Motin <mav@FreeBSD.org>
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To: Diego Depaoli <trebestie@gmail.com>
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Cc: freebsd-current <freebsd-current@freebsd.org>
Subject: Re: AMD 780G chipset major issues 1/3 (ata, ataati)
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Diego Depaoli wrote:
> Hi all,
> please compare these logs
> 
> 1 -> without ataati
> #dmesg |grep ata
> atapci0: <ATI ATA controller> port
> 0xc000-0xc007,0xb000-0xb003,0xa000-0xa007,0x9000-0x9003,0x8000-0x800f
> mem 0xfe8ffc00-0xfe8fffff irq 22 at device 17.0 on pci0
> atapci0: [ITHREAD]
> ata2: <ATA channel 0> on atapci0
> ata2: [ITHREAD]
> ata3: <ATA channel 1> on atapci0
> ata3: [ITHREAD]
> atapci1: <ATI ATA controller> port
> 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xff00-0xff0f at device 20.1 on
> pci0
> ata0: <ATA channel 0> on atapci1
> ata0: [ITHREAD]
> ata1: <ATA channel 1> on atapci1
> ata1: [ITHREAD]
> acd0: DVDR <TSSTcorp CDDVDW SH-S222L/SB01> at ata1-master UDMA33
> ad4: 305245MB <SAMSUNG HD321KJ CP100-11> at ata2-master UDMA33
> ad6: 305245MB <SAMSUNG HD321KJ CP100-12> at ata3-master UDMA33
> 
> my sata disks are udma33
> 
> 2 -> with ataati loaded as module
> atapci0: <ATI IXP700 SATA300 controller> port
> 0xc000-0xc007,0xb000-0xb003,0xa000-0xa007,0x9000-0x9003,0x8000-0x800f
> mem 0xfe8ffc00-0xfe8fffff irq 22 at device 17.0 on pci0
> atapci0: [ITHREAD]
> atapci0: AHCI Version 01.10 controller with 4 ports PM supported
> ata2: <ATA channel 0> on atapci0
> ata2: port is not ready (timeout 0ms) tfd = 000001d0
> ata2: software reset clear timeout
> ata2: [ITHREAD]
> ata3: <ATA channel 1> on atapci0
> ata3: port is not ready (timeout 0ms) tfd = 000001d0
> ata3: software reset clear timeout
> ata3: [ITHREAD]
> ata4: <ATA channel 2> on atapci0
> ata4: [ITHREAD]
> ata5: <ATA channel 3> on atapci0
> ata5: [ITHREAD]
> atapci1: <ATI IXP700 UDMA133 controller> port
> 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xff00-0xff0f at device 20.1 on
> pci0
> ata0: <ATA channel 0> on atapci1
> ata0: [ITHREAD]
> ad4: 305245MB <SAMSUNG HD321KJ CP100-11> at ata2-master SATA300
> ad6: 305245MB <SAMSUNG HD321KJ CP100-12> at ata3-master SATA300
> 
> my sata disks are right, but ata1 and acd0 vanished

Is your DVD drive SATA or PATA? Can you boot with verbose messages 
enabled? How much different ATA channels do you really have on your mobo?

-- 
Alexander Motin