linux-kernel - Re: 2.6.19-git3 panics on boot - ata_piix/PCI related [still in -git17]

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Date:	Tue, 12 Dec 2006 22:47:02 +0100
From:	"Alessandro Suardi" <alessandro.suardi@...il.com>
To:	"Steve Wise" <swise@...ngridcomputing.com>
Cc:	"Jeff Garzik" <jeff@...zik.org>, Alan <alan@...rguk.ukuu.org.uk>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"Andrew Morton" <akpm@...l.org>
Subject: Re: 2.6.19-git3 panics on boot - ata_piix/PCI related [still in -git17]

On 12/12/06, Steve Wise <swise@...ngridcomputing.com> wrote:
> On Tue, 2006-12-12 at 13:04 -0500, Jeff Garzik wrote:
> > Alan wrote:
> > > On Tue, 12 Dec 2006 10:39:02 -0600
> > > Steve Wise <swise@...ngridcomputing.com> wrote:
> > >
> > >> All,
> > >>
> > >> Bisecting reveals that this commit causes the problem:
> > >
> > > Yes we know. There is a libata patch missing. As I said - if it is still
> > > missing by -rc1 I'll sort out a diff.
> >
> > What's the patch?  Message-id?  I don't have anything from you in my
> > patch queue.
> >
> >       Jeff
> >
> >
> >
>
> I dug up the patch below from here:
>
> http://marc.theaimsgroup.com/?l=linux-kernel&m=116343564202844&q=raw
>
> This patch fixes my problem, and I don't think its in Linus's tree at
> this point.
>
>
> Steve.
>
>
> diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
> index 10ee22a..40a2bfa 100644
> --- a/drivers/ata/libata-sff.c
> +++ b/drivers/ata/libata-sff.c
> @@ -1027,13 +1027,13 @@ #if defined(CONFIG_NO_ATA_LEGACY)
>  #endif
>         }
>
> -       rc = pci_request_regions(pdev, DRV_NAME);
> -       if (rc) {
> -               disable_dev_on_err = 0;
> -               goto err_out;
> -       }
> -
> -       if (legacy_mode) {
> +       if (!legacy_mode) {
> +               rc = pci_request_regions(pdev, DRV_NAME);
> +               if (rc) {
> +                       disable_dev_on_err = 0;
> +                       goto err_out;
> +               }
> +       } else {
>                 if (!request_region(ATA_PRIMARY_CMD, 8, "libata")) {
>                         struct resource *conflict, res;
>                         res.start = ATA_PRIMARY_CMD;

This patch on top of 2.6.19-git19 fixes my boot problem. Thanks !

--alessandro

"...when I get it, I _get_ it"

     (Lara Eidemiller)
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