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["Timothy R. Chavez" <timothy.chavez@xxxxxxxxxxxxx>]

** Changed in: somerville
   Importance: Undecided => High

** Changed in: somerville
       Status: New => Fix Released

** No longer affects: dell

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https://bugs.launchpad.net/bugs/225811

Title:
  kernel: fix x86 DMI checks for PCI quirks

Status in The Linux Kernel:
  Fix Released
Status in The Somerville Project:
  Fix Released
Status in “linux” package in Ubuntu:
  Fix Released
Status in “linux” source package in Hardy:
  Fix Released
Status in “linux” source package in Intrepid:
  Fix Released

Bug description:
  http://lkml.org/lkml/2008/5/2/205

  On Fri, May 02, 2008 at 02:19:34AM -0700, Yinghai Lu wrote:
  > On Fri, May 2, 2008 at 12:44 AM, Ingo Molnar <mingo@xxxxxxx> wrote:
  > >  * Matt Domsch <Matt_Domsch@xxxxxxxx> wrote:
  > >
  > >  > fix x86 DMI checks for PCI quirks
  > >  >
  > >  > http://bugzilla.kernel.org/show_bug.cgi?id=10583
  > >  > https://bugzilla.redhat.com/show_bug.cgi?id=444791
  > >  >
  > >  > Since git commit 08f1c192c3c32797068bfe97738babb3295bbf42 (between
  > >  > kernels 2.6.22 and 2.6.23), arch/x86/pci/acpi.c has not called
  > >  > pcibios_scan_root(), which would have called
  > >  > arch/x86/pci/common.c:dmi_check_system().  This has prevented the
  > >  > quirks listed in pciprobe_dmi_table[] from being checked and
  > >  > appropriate action taken.
  > >
  > >  ugh ...
  > >
  > >
  > >  > This manifests itself in several Dell and HP servers not automatically
  > >  > having the pci=bfsort option be applied, as well as Samsung X20 and
  > >  > Compaq EVO N800c systems needing pci=assign-all-busses was no longer
  > >  > automatically applied.
  > >
  > >  Jesse Barnes (new PCI maintainer) Cc:-ed.
  > 
  > please check the patch in x86.git, it should do the same thing, but
  > put the call in pci_access_init...
  > 
  > commit 9817aa147000086bc11b571620ecc1c73a4a614b
  > Author: Yinghai Lu <yhlu.kernel@xxxxxxxxx>
  > Date:   Mon Apr 14 15:40:37 2008 -0700

  Indeed it does (boot tested on one of the affected systems), and is a
  simpler patch.  I'd be quite happy with this.  Bonus that it's already
  in the x86.git tree. :-)

  Ingo, is this ready to go to Linus?

  Now to get it backported to -stable...

  Adding the folks from HP who have lots of systems listed.

  Thanks,
  Matt

  -- 
  Matt Domsch
  Linux Technology Strategist, Dell Office of the CTO
  linux.dell.com & www.dell.com/linux

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