Date: Thu, 9 Apr 2009 11:35:50 -0400 From: Jung-uk Kim <jkim@FreeBSD.org> To: freebsd-current@FreeBSD.org Cc: Kurt Jaeger <lists@c0mplx.org>, Alexander Motin <mav@freebsd.org>, Diego Depaoli <trebestie@gmail.com> Subject: Re: AMD 780G chipset major issues 1/3 (ata, ataati) Message-ID: <200904091135.56144.jkim@FreeBSD.org> In-Reply-To: <49DC6129.4070107@FreeBSD.org> References: <1239063789.00097213.1239052203@10.7.7.3> <83e5fb980904071402k600cbc09hcde8994cb5465f52@mail.gmail.com> <49DC6129.4070107@FreeBSD.org>
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On Wednesday 08 April 2009 04:32 am, Alexander Motin wrote: > Diego Depaoli wrote: > > On Tue, Apr 7, 2009 at 10:12 PM, Alexander Motin <mav@freebsd.org> wrote: > >> Kurt Jaeger wrote: > >>>>> 2 -> with ataati loaded as module > >>> > >>> [...] > >>> > >>>>> ad4: 305245MB <SAMSUNG HD321KJ CP100-11> at ata2-master > >>>>> SATA300 ad6: 305245MB <SAMSUNG HD321KJ CP100-12> at > >>>>> ata3-master SATA300 > >>>>> > >>>>> my sata disks are right, but ata1 and acd0 vanished > >>>> > >>>> Is your DVD drive SATA or PATA? > > > > It's PATA > > According to what I have found on the net, this chipset has 6 SATA > and one PATA ports. When you are disabling ataati driver ATA > controllers work in legacy ATA emulation mode, which emulates 8 > possible devices access via 4 legacy PATA channels. > > ataati driver loading switches first controller into native AHCI > mode, which for some reason gives you only four ports, not six, may > be last two are still under the legacy emulation. And disables > second port on PATA controller, which actually should not be there, > but looks like present, according to common driver operation. > > I would say that there is some misconfiguration between BIOS ATA > emulation settings and ataati driver expectations. Is there any > switches like Native/AHCI/RAID/Legacy in your BIOS settings? Have > you tried to play with them? We have to fix many things but you can take a look at the following Linux patches: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/195354 Jung-uk Kim
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