Public bug reported:

http://paste.ubuntu.com/287876/ has dmesg output from a 2.6.28 kernel
with the freescale 1.6 BSP patchset (this is a build from the current
2.6.28 imx51 tree on kernel.ubuntu.com)

please see lines 43 to 61

http://paste.ubuntu.com/287878/ has a dmesg from the identical patchset
applied to our 2.6.31 tree on kernel.ubuntu.com (as it comes in the
current package in karmic)

here see line 68

apparently the regulator can not be initialized properly, i suspect a
porting error of the patch into 2.6.31

this spits out additional bootmessages with regulator errors as
documented in bug 438680 (note this bug is about *all* bootmessages
shown atm, so only a subset of it applies here)

it might possibly as well affect the setting of the hardware clock which
is documented in bug 427289 or even the powering down of the system as
described in bug 439282 (though this is only a guess)

** Affects: linux-fsl-imx51 (Ubuntu)
     Importance: High
         Status: New

** Affects: linux-fsl-imx51 (Ubuntu Karmic)
     Importance: High
         Status: New


** Tags: armel

** Also affects: linux-fsl-imx51 (Ubuntu Karmic)
   Importance: Undecided
       Status: New

** Changed in: linux-fsl-imx51 (Ubuntu Karmic)
   Importance: Undecided => High

** Tags added: armel

** Changed in: linux-fsl-imx51 (Ubuntu Karmic)
    Milestone: None => ubuntu-9.10

-- 
regulator issues with 2.6.31 vs 2.6.28 with the same patchset
https://bugs.launchpad.net/bugs/446140
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