The following reply was made to PR kern/173251; it has been noted by GNATS.
From: Michael Schuh <michael.sc...@gmail.com> To: bug-follo...@freebsd.org Cc: Subject: Re: kern/173251: ACHI/ATA_CAM doesn't find any SATA Disk on ICH7 - Dell SC430 Date: Thu, 1 Nov 2012 18:56:48 +0100 2012/11/1 Michael Schuh <michael.sc...@gmail.com>: > After another night with digging the Internet > i found why the newer RELEASES will not find the SATA drives. > > "The BIOS has programmed the chip into IDE mode, not AHCI mode. It seems > to have also set up the AHCI BAR, but the majority of chips with this ID > won't have been and so the ahci driver will fail with them. If the chip > was in AHCI mode, the device ID would automatically have changed to > 0x27c1." > > > Just this Machine has no BIOS-Options to manage the ICH controller Mode. > It seems this caused the error, that the drives aren't visible for the > AHCI-driver. > > So i ask, is there a solution/possibility to detect and change the working > mode of this Controller from the Operating System base/Kernel? http://rants.atmurray.net/2009/06/sata-ahci-mode-on-systems-without-bios.html <<< can we do this on/with FreeBSD? It seems that this didn't leaves the Controller in that state or that the BIOS changes it back. _______________________________________________ freebsd-bugs@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-bugs To unsubscribe, send any mail to "freebsd-bugs-unsubscr...@freebsd.org"
