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Date:      Thu, 3 Oct 2002 00:36:17 +0100
From:      Michael McGoldrick <mmcgoldrick@linuxdriven.net>
To:        current@freebsd.org
Subject:   Re: PCI brokenness
Message-ID:  <20021002233617.GA611@uriel.fakedomain.net>
In-Reply-To: <20021002.084110.69705085.iwasaki@jp.FreeBSD.org>
References:  <20021001211543.GA607@uriel.fakedomain.net> <XFMail.20021001172334.jhb@FreeBSD.org> <20021002.084110.69705085.iwasaki@jp.FreeBSD.org>

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After a cvsup and buildworld/kernel, everything seems to be working again.

Thanks!

On Wed, Oct 02, 2002 at 08:41:10AM +0900, Mitsuru IWASAKI wrote:
> 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
-- 
Michael McGoldrick: mmcgoldrick@linuxdriven.net 

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