Date: Thu, 27 Nov 2008 08:57:40 +0100 From: Victor Balada Diaz <victor@bsdes.net> To: "Andrey V. Elsukov" <bu7cher@yandex.ru> Cc: stable@FreeBSD.org, =?iso-8859-1?Q?S=F8ren?= Schmidt <sos@FreeBSD.org> Subject: Re: IXP SB600 SATA missing quirk? Message-ID: <20081127075740.GD22211@alf.bsdes.net> In-Reply-To: <492E3332.1090907@yandex.ru> References: <20081126184135.GC22211@alf.bsdes.net> <492E3332.1090907@yandex.ru>
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On Thu, Nov 27, 2008 at 08:42:10AM +0300, Andrey V. Elsukov wrote: > Victor Balada Diaz wrote: > >i'm trying FreeBSD 7.1 BETA2 in amd64 and i'm having issues with interrupt > >storms. The machine works without problems as long as i don't stress much > >the HD. If i have high IO load after a few hours the system starts to have > >interrupt storms and never again recovers from them until i restart. > > > >My SATA card is: > > > >atapci0@pci0:0:18:0: class=0x01018f card=0x73271462 chip=0x43801002 > >rev=0x00 hdr=0x00 > > vendor = 'ATI Technologies Inc' > > device = 'IXP SB600 Serial ATA Controller' > > class = mass storage > > subclass = ATA > > > >The MotherBoard is MSI K9AG Neo 2[1] and the kernel is > >GENERIC without USB and firewire support. > > > >After digging a bit in the source i've find that linux > >people have a quirk for this chipset and i've been unable > >to find in our code a similar quirk. You can find the quirk > >here: > > > >http://fxr.watson.org/fxr/source/drivers/pci/quirks.c?v=linux-2.6#L870 > > > >I don't know exactly what does it do, neither i do know > >if it have anything to know with my interrupt issues, but > >could someone who knows a bit better tell me if that > >could fix the issue or if we need that quirk for other > >purposes? > > It seems this quirk only changes PCIR_PROGIF and PCIR_SUBCLASS registers > to PCIP_STORAGE_SATA_AHCI_1_0 and PCIS_STORAGE_SATA values. I don't know > which > magic these changes should do, but I think they aren't needed. > Your controller should work in AHCI mode without this quirk. > Thanks Andrey. Yes, my controller is detected as AHCI, but i thought this quirk could have anything to do with the interrupt issues i'm having. Now it's clear that it doesn't have anything to do, so 'll keep searching, but I'm a bit lost as you can see :) Regards -- La prueba más fehaciente de que existe vida inteligente en otros planetas, es que no han intentado contactar con nosotros.
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