Re: CF flash IDE failure to attach with 2.6.20+

[Tejun Heo <htejun@gmail.com>]

Andrew_hall wrote:
> We have a series of machines that use CF as a boot media. Since upgrading to
> 2.6.20 (tried .9-.14), system will boot (from the flash media) but then fail
> to initialise the same media. Here is the dmesg from 2.6.20.14:
> 
> ata_piix 0000:00:1f.2: version 2.00ac7
> ata_piix 0000:00:1f.2: MAP [ P0 P2 P1 P3 ]
> ACPI: PCI Interrupt 0000:00:1f.2[B] -> GSI 19 (level, low) -> IRQ 19
> PCI: Setting latency timer of device 0000:00:1f.2 to 64
> ata1: SATA max UDMA/133 cmd 0xFA00 ctl 0xF902 bmdma 0xF600 irq 19
> ata2: SATA max UDMA/133 cmd 0xF800 ctl 0xF702 bmdma 0xF608 irq 19
> scsi0 : ata_piix
> ata1.00: ATA-0, max MWDMA2, 990864 sectors: LBA
> ata1.00: ata1: dev 0 multi count 0
> ata1.00: applying bridge limits
> ata1.00: configured for MWDMA2

For some reason, mwdma doesn't work in libata now.  I'm not sure why
tho.  Alan, can you enlighten us?

Thanks.

-- 
tejun