[ltp] ata_piix on a t42p

[Florian Reitmeir]

On Mon, 06 Aug 2007, Carlos Moffat wrote:

> On Mon, 2007-08-06 at 21:03 +0200, Florian Reitmeir wrote:
> > Hi,
> > 
> > does the kernel detect your drive? (boot messages?)
> > 
> 
> How I would I know that? It does some stuff before the kernel panic, so
> it would seem that at least finds /boot, but I'm not sure.

my kernel on my X60s tells me like:

--------------- SCHNIPP
ahci 0000:00:1f.2: AHCI 0001.0100 32 slots 4 ports 1.5 Gbps 0xf impl SATA mode
ahci 0000:00:1f.2: flags: 64bit ncq pm led clo pio slum part 
PCI: Setting latency timer of device 0000:00:1f.2 to 64
scsi0 : ahci
scsi1 : ahci
scsi2 : ahci
scsi3 : ahci
ata1: SATA max UDMA/133 cmd 0xf8850500 ctl 0x00000000 bmdma 0x00000000 irq 219
ata2: SATA max UDMA/133 cmd 0xf8850580 ctl 0x00000000 bmdma 0x00000000 irq 219
ata3: SATA max UDMA/133 cmd 0xf8850600 ctl 0x00000000 bmdma 0x00000000 irq 219
ata4: SATA max UDMA/133 cmd 0xf8850680 ctl 0x00000000 bmdma 0x00000000 irq 219
ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata1.00: ATA-7: FUJITSU MHV2080BH, 00840028, max UDMA/100
ata1.00: 156301488 sectors, multi 16: LBA48 NCQ (depth 31/32)
ata1.00: configured for UDMA/100
ata2: SATA link down (SStatus 0 SControl 0)
ata3: SATA link down (SStatus 0 SControl 0)
ata4: SATA link down (SStatus 0 SControl 0)
scsi 0:0:0:0: Direct-Access     ATA      FUJITSU MHV2080B 0084 PQ: 0 ANSI: 5
---------------- SCHNAPP

so it tells a least the harddisk name, and the channel and some capabilities. I expect 
something similar from your kernel.

> > On Mon, 06 Aug 2007, Carlos Moffat wrote:
> > > I have a t42p and I'm trying to make the switch to the ata_piix drivers
> > > by following the instructions:
> > > 
> > > http://www.thinkwiki.org/wiki/How_to_configure_and_use_libata_SATA_/_PATA_drivers
> > > 
> > > I have: 
> > > 
> > > * recompiled the kernel (2.6.22)
> > > * changed /etc/fstab to use labels 
> > > * changed /boot/grub/menu.lst and switched /dev/hda1 to /dev/sda1 for
> > > this kernel. It reads:
> > > 
> > > root=/dev/sda1 ro acpi_sleep=s3_bios atapi_enabled=1
> > > 
> > > 
> > > When I reboot, I get a kernel panic:
> > > 
> > > cannot open root device "sda1" or unknown-block(0,0)
> > > 
> > > (or something very similar). somebody in IRC suggested the problem might
> > > be the T42p chipset might not be supported. 
> > > 
> > > Does anybody have any ideas, or a working setup with this drivers and a
> > > t42p?

-- 
Florian Reitmeir