Public bug reported:
Soon after upgrade to Xenial (from 15.10) the boot process got broken.
I'm using LVM for /root swap and other partitions.
===
The current behaviour is:
When I boot short after the Grub login screen I'm getting log messages
like:
---
Scanning for Btrfs filesystems
resume: Could not state the resume device file: '/dev/mapper/VolGroup....'
Please type in the full path...
---
Then I press ENTER, for a few minutes some errors about floppy device
access are raised (for some reason it tries to scan fd0 when floppy
drive is empty). And then:
---
Gave up waiting for root device. Common problems: ...
...
ALERT! UUID=xxx-xxx.... does not exist.
Dropping to a shell.
---
>From the BusyBox shell I managed to recover the boot by issuing "lvm
vgchange -ay", then exit and then boot continues fine (all LVM file
systems are successfully mounted).
===
One workaround so far is creating
/etc/initramfs-tools/scripts/init-premount/lvm2 script doing "lvm vgchange
-ay". But I'm looking for cleaner solution.
Boot used to work fine with 15.10. Actually the first boot after
upgrading to Xenial actually worked OK too, I'm not sure what might
changed meanwhile (I've been fixing some packages installation since
mysql server upgrade has failed).
===
# lsb_release -rd
Description: Ubuntu 16.04 LTS
Release: 16.04
** Affects: lvm2 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1573982
Title:
LVM boot problem - volumes not activated after upgrade to Xenial
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