AMD 780G chipset major issues 1/3 (ata, ataati)

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


-- 
Diego Depaoli