On Tue, 12 Jun 2007 00:43:12 -0400 Jeff Garzik <jeff@xxxxxxxxxx> wrote: > We will do AHCI link PM -- presuming that I can be convinced that it > does not repeatedly park the hard drive heads, or something similarly > annoying on PATA<->SATA bridges and similar setups. > > IF it works as advertised -- a big if considering all the AHCI silicon > implementations out there -- we definitely want to use it. > > Jeff > I understand that this is a concern of yours based on some experience you had with earlier controllers. In general, this behavior would be considered incorrect - link power management should not translate to disk parking, even on PATA->SATA brigdes, and if it does, then that's completely broken. That said, I would believe you if you said broken hardware exists, and when you get specific examples of it, you can add it to the blacklist for this feature. - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
