Messages in this thread | | | Date | Thu, 27 Sep 2007 23:52:18 -0400 | From | Mark Lord <> | Subject | Re: Stardom SATA HSM violation |
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Tejun Heo wrote: > Alan Cox wrote: >>> I think there have been enough cases where this draining was necessary. >>> IIRC, ata_piix was involved in those cases, right? If so, can you >>> please submit a patch which applies this only to affected controllers? >>> I don't feel too confident about applying this to all SFF controllers. >> Old IDE does it on all controllers bar a couple. So we have a very good >> knowledge of what does/doesn't work. The one that needs care in old ide >> is an ordering issue where a state machine reset done first causes the >> drain of the I/O to hang. > > Hmmm... So, do we apply draining to all PATA? Or is ata_piix SATA > affected too?
ata_piix SATA is definitely affected when a PATA_drive to SATA_host bridge is present. Possibly other times.
Cheers
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