I tried to get a Dell PE R300 (ICH9R) working in AHCI mode a few weeks
ago - there is no AHCI mode option in the BIOS.
In case anyone is trying the same thing - I just tried the same method
on an Abit IB9 (Intel ICH8 - also lacking AHCI BIOS support), and it
worked (see below). I'll try coding this up as a PCI quirk (defaulting
to off)...
setpci -s 00:1f.2 0x90.w=0x0060
modprobe fakephp
echo 1> /sys/bus/pci/slots/0000\:00\:1f.0/power
echo 1> /sys/bus/pci/slots/0000\:00\:1f.2/power
echo 1> /sys/bus/pci/slots/0000\:00\:1f.5/power
echo 0> /sys/bus/pci/slots/0000\:00\:1f.2/power
echo 1> /sys/bus/pci/slots/0000\:00\:1f.2/power
echo 1> /sys/bus/pci/slots/0000\:00\:1f.0/power
echo 1> /sys/bus/pci/slots/0000\:00\:1f.5/power
modprobe ahci
This time I got.
[ 244.592159] pci 0000:00:1f.2: reg 10 io port: [0xfa00-0xfa07]
[ 244.592165] pci 0000:00:1f.2: reg 14 io port: [0xf900-0xf903]
[ 244.592169] pci 0000:00:1f.2: reg 18 io port: [0xf800-0xf807]
[ 244.592174] pci 0000:00:1f.2: reg 1c io port: [0xf700-0xf703]
[ 244.592179] pci 0000:00:1f.2: reg 20 io port: [0xf600-0xf61f]
[ 244.592184] pci 0000:00:1f.2: reg 24 32bit mmio: [0x00f000-0x00f7ff]
[ 244.592208] pci 0000:00:1f.2: PME# supported from D3hot
[ 244.592244] pci 0000:00:1f.2: PME# disabled
[ 244.640044] ahci 0000:00:1f.2: version 3.0
[ 244.640061] ahci 0000:00:1f.2: PCI INT B -> GSI 19 (level, low) -> IRQ 19
[ 244.640145] alloc irq_desc for 26 on node -1
[ 244.640147] alloc kstat_irqs on node -1
[ 244.640156] ahci 0000:00:1f.2: irq 26 for MSI/MSI-X
[ 244.640164] ahci 0000:00:1f.2: forcing PORTS_IMPL to 0xf
[ 244.640214] ahci: SSS flag set, parallel bus scan disabled
[ 244.640267] ahci 0000:00:1f.2: AHCI 0001.0100 32 slots 4 ports 3 Gbps
0xf impl SATA mode
[ 244.640304] ahci 0000:00:1f.2: flags: 64bit ncq sntf ilck stag pm led
clo pmp pio slum part ccc ems
[ 244.640343] ahci 0000:00:1f.2: setting latency timer to 64
[ 244.656102] scsi6 : ahci
[ 244.656193] scsi7 : ahci
[ 244.656269] scsi8 : ahci
[ 244.656347] scsi9 : ahci
[ 244.656488] ata7: SATA max UDMA/133 abar m2048@0xf0000000 port
0xf0000100 irq 26
[ 244.656525] ata8: SATA max UDMA/133 abar m2048@0xf0000000 port
0xf0000180 irq 26
[ 244.656561] ata9: SATA max UDMA/133 abar m2048@0xf0000000 port
0xf0000200 irq 26
[ 244.656598] ata10: SATA max UDMA/133 abar m2048@0xf0000000 port
0xf0000280 irq 26
[ 244.976013] ata7: SATA link down (SStatus 0 SControl 300)
[ 245.312012] ata8: SATA link down (SStatus 0 SControl 300)
[ 246.356006] ata9: failed to resume link (SControl 0)
[ 246.356046] ata9: SATA link down (SStatus 0 SControl 0)
[ 247.400006] ata10: failed to resume link (SControl 0)
[ 247.400046] ata10: SATA link down (SStatus 0 SControl 0)
[ 434.987580] ata7: exception Emask 0x10 SAct 0x0 SErr 0x4000000 action
0xe frozen
[ 434.987629] ata7: irq_stat 0x00000040, connection status changed
[ 434.987662] ata7: SError: { DevExch }
[ 434.987697] ata7: hard resetting link
[ 445.000006] ata7: softreset failed (device not ready)
[ 445.000040] ata7: hard resetting link
[ 445.888011] ata7: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[ 445.919259] ata7.00: ATA-7: ST3500641AS, 3.AAD, max UDMA/133
[ 445.919294] ata7.00: 976773168 sectors, multi 0: LBA48 NCQ (depth 31/32)
[ 445.985918] ata7.00: configured for UDMA/133
[ 445.985959] ata7: EH complete
[ 446.804096] scsi 6:0:0:0: Direct-Access ATA ST3500641AS
3.AA PQ: 0 ANSI: 5
[ 446.890857] sd 6:0:0:0: [sda] 976773168 512-byte logical blocks: (500
GB/465 GiB)
[ 446.890941] sd 6:0:0:0: [sda] Write Protect is off
[ 446.890975] sd 6:0:0:0: [sda] Mode Sense: 00 3a 00 00
[ 446.890994] sd 6:0:0:0: [sda] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA
[ 446.891149] sda: sda1 sda2
[ 446.909372] sd 6:0:0:0: [sda] Attached SCSI disk
(sid-netboot)root@netboot:~# hdparm -t /dev/sda
/dev/sda:
Timing buffered disk reads: 182 MB in 3.03 seconds = 60.00 MB/sec
(sid-netboot)root@netboot:~# uname -a
Linux netboot 2.6.32-5-amd64 #1 SMP Mon May 17 17:51:57 UTC 2010 x86_64
GNU/Linux
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