On Mon, Jun 20, 2011 at 10:43:30AM +0100, Tim Small wrote: > On 20/06/11 05:51, Marc MERLIN wrote: > > I upgraded the system and was hoping to use onboard sata (it's a Sandy > > Bridge lga1155). > > Which chipset? Perhaps lspci of the ahci controller device? 00:1f.2 SATA controller: Intel Corporation Unknown device 1c02 (rev 05) > > When I plug my PMP into that, the other drives are not detected. > > > > Where do I find the list of SATA drivers that support PMP. > > It's dependant on the hardware and the driver... > > https://ata.wiki.kernel.org/index.php/SATA_hardware_features Thanks, I tried searching for this page on google and came up empty handed. I guess this page needs a few more links, and maybe the whole wiki can be linked somewhere in /usr/src/linux/Documentation/ ? > > Are newer intel MBs with onboard SATA supposed to work? > > I believe Intel limit PMP support to certain chipsets and versions (for > "product differentiation" marketing reasons). I have an H67 motherboard > here, and PMP is supported on all 6 ports, but only in "CBS" mode (i.e. > poor performance if you try to access two drives concurrently). > > I'm currently wrestling with PMP support on Marvell AHCI devices.... > > It seems to work on an 88SE9125 with recent firmware, but not working > with an 88SE9123 with older firmware. I'm planning on doing further > debug later today. I see. > > ahci 0000:00:1f.2: flags: 64bit ncq sntf pm led clo pio slum part ems apst > > no "pmp" in that flag list :-( Ok, so I guess that answers this question. Thanks, Marc -- "A mouse is a device used to point at the xterm you want to type in" - A.S.R. Microsoft is to operating systems .... .... what McDonalds is to gourmet cooking Home page: http://marc.merlins.org/ -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
