Public bug reported:

I have a Gigabyte GA-7DXR motherboard with an onboard RAID controller:
Promise 20265.  It's running in unraided mode right now with two drives
hung off of one IDE port.  In all installations of ubuntu on this
hardware prior to Karmic, the partitioning has not been an issue.  All
installation methods attempted (below) have failed to properly recognize
the partitions on these drives.  These drives are recognized after a
full install back to Jaunty.  All failed attempts recognize the drive
and the partitioning, but report the partitions are hopelessly and
irrecoverably corrupt.

I attempted these methods of drive use/identification/recovery and had
no success:

* In-place upgrade (via update-manager) from Jaunty to Karmic (post-release)
* Post-beta yet pre-release karmic live cd (install x1)
* Post-release karmic live cd (install x2)
* gparted via post-release kamric live cd

A gparted live-cd (not ubuntu) [0.4.5-2 burned 31-Jul-2009] and all
previous versions of Ubuntu have no issues with the drives.


Possibly related/helpful URL:

http://www.gigabyte.com.tw/Support/Motherboard/Driver_Model.aspx?ProductID=1302

I suspect this is a linux kernel bug, but would be willing to have the
bug migrated to a more appropriate package.

This is preventing me from upgrading to Karmic ... and future releases?

Thanks for your time and attention!

ProblemType: Bug
Architecture: i386
DistroRelease: Ubuntu 9.04
HibernationDevice: RESUME=UUID=8ddab8f2-d4ff-4349-be82-34f442c063df
MachineType:
 
NonfreeKernelModules: nvidia
Package: linux-image-2.6.28-16-generic 2.6.28-16.57
ProcCmdLine: root=UUID=a7f61f89-6da4-4b30-8b3a-9c0949c3804b ro quiet splash
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.28-16.57-generic
SourcePackage: linux

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386

-- 
unable to recognize some disks on upgrade to Karmic
https://bugs.launchpad.net/bugs/489685
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