Re: 2.6.18-rc1-mm1

[Alan Cox]

Ar Sul, 2006-07-09 am 05:22 -0700, ysgrifennodd Andrew Morton:
> > ata5: PATA max UDMA/133 cmd 0x1F0 ctl 0x3F6 bmdma 0x30B0 irq 14
> > scsi4 : ata_piix
> > ata5.00: ATAPI, max UDMA/66
> > ata5.00: configured for UDMA/66

More ATAPI devices getting uppity about mode setting.

> John stuff.  I suspect it's natural and normal, if the IDE error handling
> did something rude with interrupt holdoff.

The new libata should be more polite than that, although since the ATA
drive can stall the CPU indefinitely you lose anyway 8(

> > Jul  2 12:03:28 tornado kernel: hda: ATAPI 40X DVD-ROM DVD-R CD-R/RW drive, 
> > 2000kB Cache, UDMA(66)

Can you send me the full hdparm identify stuff for this ?


The old drivers/ide code uses much longer delays than the spec for some
ATAPI commands, and it looks as if there is a good reason for doing
so ...

That or I've got a mistuning case I've missed.

Alan

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