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

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Message-Id: <1165949381.24482.10.camel@stevo-desktop>
Date:	Tue, 12 Dec 2006 12:49:41 -0600
From:	Steve Wise <swise@...ngridcomputing.com>
To:	Jeff Garzik <jeff@...zik.org>
Cc:	Alan <alan@...rguk.ukuu.org.uk>,
	Alessandro Suardi <alessandro.suardi@...il.com>,
	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 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;


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