linux-kernel - Re: 2.6.25-rc8-mm1 panic in rpaphp_register

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Message-Id: <20080416130343.a82702f0.akpm@linux-foundation.org>
Date:	Wed, 16 Apr 2008 13:03:43 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Alex Chiang <achiang@...com>
Cc:	benh@...nel.crashing.org, pbadari@...ibm.com,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.25-rc8-mm1 panic in rpaphp_register_slot()

On Wed, 16 Apr 2008 11:11:27 -0600
Alex Chiang <achiang@...com> wrote:

> Hi Ben,
> 
> * Benjamin Herrenschmidt <benh@...nel.crashing.org>:
> > 
> > On Tue, 2008-04-15 at 21:17 -0600, Alex Chiang wrote:
> > > 
> > > Could you take a look at this patch and tell me what I'm doing
> > > wrong?
> > 
> > Hrm, I'll have a look but I'd need some context first... This is to fix
> > a problem introduced by another serie of patches ? Can you give me some
> > pointers here ?
> 
> Thanks for taking a look. The patch series that got accepted into
> -mm is here:
> 
> 	http://lkml.org/lkml/2008/3/25/228
> 
> There have been several fixes on top of that series. I'm not sure
> what the canonical way to refer to -mm patches is, but if you
> navigate to this URL:
> 
> 	http://www.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.25-rc8/2.6.25-rc8-mm2/patch-list
> 
> You'll also need to apply:
> 
> 	pci-hotplug-introduce-pci_slot-fix.patch
> 	pci-hotplug-introduce-pci_slot-fix-fix.patch
> 	pci-hotplug-introduce-pci_slot-fix-2.patch
> 	pci-hotplug-introduce-pci_slot-fix-99.patch
> 	pci-hotplug-introduce-pci_slot-fix-3.patch
> 	pci-hotplug-acpi-pci-slot-detection-driver-fix.patch
> 	drivers-acpi-pci_slotc-fix-build-with-config_dmi=n.patch

I folded it all down to two patches.  Unfortunately they don't apply very
well to mainline:

1 out of 4 hunks FAILED -- saving rejects to file drivers/pci/hotplug/acpiphp_core.c.rej
2 out of 3 hunks FAILED -- saving rejects to file drivers/pci/hotplug/acpiphp_ibm.c.rej
1 out of 6 hunks FAILED -- saving rejects to file drivers/pci/hotplug/pciehp_core.c.rej
1 out of 4 hunks FAILED -- saving rejects to file drivers/pci/hotplug/shpchp_core.c.rej
1 out of 5 hunks FAILED -- saving rejects to file include/linux/pci.h.rej

I guess because I reworked everything to fit on Greg's tree(s).

fwiw, http://userweb.kernel.org/~akpm/bh.gz (agains -rc9) contains all of
-mm up to and including pci-hotplug-acpi-pci-slot-detection-driver.patch
and is suitable for review/repair/etc.

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