Re: [2.6.18-rc2-mm1] libata: DMA speed too slow for cdrecord

From: Alan Cox
Date: Mon Jul 31 2006 - 06:47:59 EST


Ar Sad, 2006-07-29 am 23:54 +0200, ysgrifennodd J.A. MagallÃn:
> ata1: PATA max UDMA/100 cmd 0x1F0 ctl 0x3F6 bmdma 0xF000 irq 14

Chip configuration reports OK
> scsi0 : ata_piix
> ata1.00: ATAPI, max UDMA/33
> ata1.01: ATAPI, max MWDMA0, CDB intr
> ata1.00: configured for PIO3
> ata1.01: configured for PIO3

Your tree appears to have the old speed setting code in it not the new
speed setting code. As a result of this it tries to set both to MWDMA0
which isn't available on the ICH chips and so falls back to PIO3.


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