[Quantal SRU][Raring SRU] SATA bug fixes

Zhang, Xiong Y xiong.y.zhang at intel.com
Fri Apr 12 05:37:23 UTC 2013

One customer report a installation failure on Haswell based platform which DVD can't be recognized. this patch used to solve it.
The patch is included in upstream 3.9-rc6. Please consider to backport it to Ubuntu 12.04.2, 12.10 and 13.04

commit b55f84e2d527182e7c611d466cd0bb6ddce201de
Author: Youquan Song <youquan.song at intel.com>
Date:   Wed Mar 6 10:49:05 2013 -0500

    ata_piix: Fix DVD not dectected at some Haswell platforms

    There is a quirk patch 5e5a4f5d5a08c9c504fe956391ac3dae2c66556d
    "ata_piix: make DVD Drive recognisable on systems with Intel Sandybridge
     chipsets(v2)" fixing the 4 ports IDE controller 32bit PIO mode.

    We've hit a problem with DVD not recognized on Haswell Desktop platform which
    includes Lynx Point 2-port SATA controller.

This quirk patch disables 32bit PIO on this controller in IDE mode.

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