Date: Tue, 14 Jun 2011 16:26:14 +0300 From: Alexander Motin <mav@FreeBSD.org> To: Rick van der Zwet <info@rickvanderzwet.nl> Cc: FreeBSD-Current <freebsd-current@freebsd.org> Subject: Re: ATA_PERIODIC_POLL on ATA_I82801HBM_S1 causes lockups Message-ID: <4DF76176.7030207@FreeBSD.org> In-Reply-To: <mailpost.1308032279.3200006.77402.mailing.freebsd.current@FreeBSD.cs.nctu.edu.tw> References: <mailpost.1308032279.3200006.77402.mailing.freebsd.current@FreeBSD.cs.nctu.edu.tw>
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Hi. 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, -- Alexander Motin
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