Public bug reported:
Binary package hint: base-installer
I have upgraded from Maverik to Natty, x86_64 Desktop release.
After the upgrade, the initramfs was configured to load dmraid drivers
instead mdadm driver, making the system fails to boot.
I have the following disk configuration:
/dev/sda
/dev/sda1 - NTFS
/dev/sda2 - raid partition (md0 - / - raid 0)
/dev/sda3 - ext2 (/boot)
/dev/sdb
/dev/sdb1 - raid partition (md1 - /home - raid 1)
/dev/sdc
/dev/sdc1 - NTFS
/dev/sdc2 - raid partition (md0 - / - raid 0)
/dev/sdc3 - swapfs
/dev/sdd
/dev/sdd1 - raid partition (md1 - /home - raid 1)
Before the upgrade, the system booted from the /dev/sda3 partition and then
mounted the md0 partition to continue the boot process.
After the upgrade the system was not able to see the mdX partitions, trying to
mount a series of dm-X partitions, that made the boot process to fail in the
very first stage.
I have booted the system with a live Natty x86_64, but I have had the same
problem. The live was (and is) not able to see the mdadm partitions.
I solved the issue booting with a Maverik live (also Lucid works), that is able
to correctly see the mdX partitions after having installed the mdadm package.
I have chrooted into the broken installation, purged the dmraid package
and forced the re-installation of the mdadm package.
Now my upgraded Natty x86_64 is working like a charm :)
Please ask me for more information, if needed.
Thanks for your great work!
Yusef Maali
** Affects: base-installer (Ubuntu)
Importance: Undecided
Status: New
** Tags: dmraid maverik mdadm natty ubuntu upgrade
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https://bugs.launchpad.net/bugs/774780
Title:
Upgrading from Maverik to Natty has replaced mdadm with dmraid, making
the system unbootable
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