linux-kernel - Re: [Regression] [2.6.37-rc2] WARNING: at drivers/pci/pci-sysfs.c:758 pci_mmap

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Date:	Thu, 18 Nov 2010 15:30:46 +0000
From:	Andy Whitcroft <apw@...onical.com>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
Cc:	maciej.rutecki@...il.com,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>, martin.wilck@...fujitsu.com,
	Andy Whitcroft <apw@...onical.com>
Subject: Re: [Regression] [2.6.37-rc2] WARNING: at drivers/pci/pci-sysfs.c:758 pci_mmap_resource+0x133/0x190()

On Wed, Nov 17, 2010 at 9:00 PM, Jesse Barnes <jbarnes@...tuousgeek.org> wrote:
> On Wed, 17 Nov 2010 21:53:10 +0100
> Maciej Rutecki <maciej.rutecki@...il.com> wrote:
>
>> Last known good: 2.6.37-rc1
>> Bad kernel: 2.6.37-rc2
>> Hardware: VirtualBox
>
> Should be fixed in master now, please re-test.

We also had this reported in Ubuntu[1], I have applied the commit you
suggested to the Ubuntu kernel and have confirmed that this is
resolved for my reporters:

  commit 8c05cd08a7504b855c265263e84af61aabafa329
  Author: Darrick J. Wong <djwong@...ibm.com>
  Date:   Tue Nov 16 09:13:41 2010 -0800

    PCI: fix offset check for sysfs mmapped files

-apw

[1] http://bugs.launchpad.net/bugs/676963
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