Date: Tue, 14 Jun 2011 22:25:52 +0200 From: Rick van der Zwet <info@rickvanderzwet.nl> To: Alexander Motin <mav@freebsd.org> Cc: FreeBSD-Current <freebsd-current@freebsd.org> Subject: Re: ATA_PERIODIC_POLL on ATA_I82801HBM_S1 causes lockups Message-ID: <BANLkTi=wL_OrEuF5xdwQuUK%2Bd6NHxK3fnw@mail.gmail.com> In-Reply-To: <4DF76176.7030207@FreeBSD.org> References: <mailpost.1308032279.3200006.77402.mailing.freebsd.current@FreeBSD.cs.nctu.edu.tw> <4DF76176.7030207@FreeBSD.org>
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On 14 June 2011 15:26, Alexander Motin <mav@freebsd.org> wrote: > Rick van der Zwet wrote: >> The ICH8M found in the MacBookPro4,1 has an known issue [1] which >> locks up when enabling the periodic poll using sidpr (introduced a >> ``little'' while ago in r214016), making it impossible to boot. >> >> Attached patch disables the polling and thus fixes the issue. >> >> Br. /Rick >> [1] http://www.spinics.net/lists/linux-ide/msg23487.html > > Thank you for reminder, but your patch is not exactly right. Could you > test this one: > > Index: ata-intel.c > =================================================================== > --- ata-intel.c (revision 223019) > +++ ata-intel.c (working copy) > @@ -288,7 +288,9 @@ > ATA_OUTL(ctlr->r_res2, 0x0C, > ATA_INL(ctlr->r_res2, 0x0C) | 0xf); > } > - } else { > + /* Skip BAR(5) on ICH8M Apples, system locks up on access. */ > + } else if (ctlr->chip->chipid != ATA_I82801HBM_S1 || > + pci_get_subvendor(dev) != 0x106b) { > ctlr->r_type2 = SYS_RES_IOPORT; > ctlr->r_rid2 = PCIR_BAR(5); > ctlr->r_res2 = bus_alloc_resource_any(dev, ctlr->r_type2, Works like a charm. Br. /Rick -- http://rickvanderzwet.nl
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