linux-kernel - pnp changes -> suspend oops [Was: 2.6.26-rc5-mm2]

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Message-ID: <485014B5.7080305@gmail.com>
Date:	Wed, 11 Jun 2008 20:08:53 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	linux-kernel@...r.kernel.org, kernel-testers@...r.kernel.org,
	Bjorn Helgaas <bjorn.helgaas@...com>
Subject: pnp changes -> suspend oops [Was: 2.6.26-rc5-mm2]

On 06/10/2008 07:31 AM, Andrew Morton wrote:
> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.26-rc5/2.6.26-rc5-mm2/

Hi,

I face problems after some of the pnp changes. If this is not known, I may 
bisect it, it's 100% reproducible. I have no real logs, It panics prior to 
network is woken up to see something on netconsole, I just captured a function 
name and an offset of place where it oopses.

pnpacpi_encode_resources, ACPI_RESOURCE_TYPE_DMA case, pnp_get_resource(dev, 
IORESOURCE_DMA, dma) returns NULL, which is dereferenced at pnpacpi_encode_dma 
at p->flags.

It happens on resume after mem > /sys/power/state.
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