Date: Wed, 02 Oct 2002 08:41:10 +0900 (JST) From: Mitsuru IWASAKI <iwasaki@jp.FreeBSD.org> To: jhb@FreeBSD.ORG Cc: mmcgoldrick@linuxdriven.net, current@FreeBSD.ORG Subject: Re: PCI brokenness Message-ID: <20021002.084110.69705085.iwasaki@jp.FreeBSD.org> In-Reply-To: <XFMail.20021001172334.jhb@FreeBSD.org> References: <20021001211543.GA607@uriel.fakedomain.net> <XFMail.20021001172334.jhb@FreeBSD.org>
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Hi, > On 01-Oct-2002 Michael McGoldrick wrote: > > On Tue, Oct 01, 2002 at 12:48:47PM -0400, John Baldwin wrote: > >> > >> On 01-Oct-2002 Michael McGoldrick wrote: > >> > 'Me too' > >> > Dmesg from working kernel attached, not sure how to get a dmesg from the > >> > broken one. :( > >> > Send me a mail if any further info would help. > >> > (I have built two kernels recently, both have had this problem) > >> > >> What exact problem do you have. No PCI devices? > >> > >> -- > >> > >> John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ > >> "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ > >> > >> To Unsubscribe: send mail to majordomo@FreeBSD.org > >> with "unsubscribe freebsd-current" in the body of the message > > > > Yes, the kernel seems to attempt to mount root right after this line: > > device_probe_and_attach: acpi0 attach returned 6 > > Can you try with the stuff I committed yesterday? It fixed the case (for > my tests at least) of legacy0 failing to attach or probe when acpi failed > to attach. If still failed, please try this. I've noticed that no chance to call pci_cfgregopen() before probing PCI children in case Host PCI bridge _CRS is not method or _INI method don't access to PCI config space or something. Thanks Index: acpi_pcib_acpi.c =================================================================== RCS file: /home/ncvs/src/sys/dev/acpica/acpi_pcib_acpi.c,v retrieving revision 1.23 diff -u -r1.23 acpi_pcib_acpi.c --- acpi_pcib_acpi.c 26 Aug 2002 18:30:27 -0000 1.23 +++ acpi_pcib_acpi.c 1 Oct 2002 23:17:51 -0000 @@ -114,6 +115,9 @@ !acpi_disabled("pci") && acpi_MatchHid(dev, "PNP0A03")) { + if (!pci_cfgregopen()) + return(ENXIO); + /* * Set device description */ Index: acpi_pcib_pci.c =================================================================== RCS file: /home/ncvs/src/sys/dev/acpica/acpi_pcib_pci.c,v retrieving revision 1.1 diff -u -r1.1 acpi_pcib_pci.c --- acpi_pcib_pci.c 26 Aug 2002 18:30:27 -0000 1.1 +++ acpi_pcib_pci.c 1 Oct 2002 23:18:38 -0000 @@ -114,6 +115,9 @@ return (ENXIO); if (acpi_get_handle(dev) == NULL) return (ENXIO); + if (!pci_cfgregopen()) + return (ENXIO); + device_set_desc(dev, "ACPI PCI-PCI bridge"); return (-1000); } To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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