[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/2028471
Title:
dmraid modules not properly loaded during installation
Status in linux package in Ubuntu:
Expired
Bug description:
There are actually 2 problems with this one.
First is that although Ubuntu 22 Desktop does indeed see FakeRAID
cards, it does a partition probe before dmraid sets up the array.
On a system with a LSI Megaraid (older card, fakeraid) card I created
the RAID array in the BIOS of the card then booted the desktop
install. Then ran Live. At the Live desktop at the terminal prompt
/dev/mapper/ddf1_4c5349202020202020000055000000000004711471100001450
was visible however fdisk -l on that device showed an actual disklabel
(msdos partition table) existed along with a partition #1 completely
filling the disk.
Executing
partprobe
/dev/mapper/ddf1_4c5349202020202020000055000000000004711471100001450
created the
/dev/mapper/ddf1_4c5349202020202020000055000000000004711471100001450
/dev/mapper/ddf1_4c5349202020202020000055000000000004711471100001450p1
entries with the p1 entry lined to /dev/dm-1
So I then ran the installer and at the disk screen changed grub
install to
/dev/mapper/ddf1_4c5349202020202020000055000000000004711471100001450
instead of /dev/sda
and then I installed Ubuntu on the now visible first partition
However after the install completed the system attempted to boot and errored
out at an initramfs prompt
with:
ALERT! UUID=68ca7f1a-c462-4f7c-9657-05d3ad04e4ee does not exists.
Dropping to a shell!
I ran the following command and got this output:
dmraid -ay
165.190010] device-mapper: table: 253:0: raid: unknown target type
ERROR: device-mapper target type "raid" is not in the kernel:
RAID set "ddf1_4c5349202020202020000055000000000004711471100001450" was not
activated
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