Public bug reported:
Setting:
- Xen Dom0 running Ubuntu Server 12.04
- Xen DomU running Ubuntu Server 12.04
$ lsb_release -rd
Description: Ubuntu 12.04.1 LTS
Release: 12.04
$ apt-cache policy grub2-common
grub2-common:
Installed: 1.99-21ubuntu3.4
Candidate: 1.99-21ubuntu3.4
Version table:
*** 1.99-21ubuntu3.4 0
500 http://de.archive.ubuntu.com/ubuntu/ precise-updates/main amd64
Packages
100 /var/lib/dpkg/status
1.99-21ubuntu3 0
500 http://de.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages
$ apt-cache policy xen-utils-4.1
xen-utils-4.1:
Installiert: 4.1.2-2ubuntu2.4
Kandidat: 4.1.2-2ubuntu2.4
Versionstabelle:
*** 4.1.2-2ubuntu2.4 0
500 http://de.archive.ubuntu.com/ubuntu/ precise-updates/universe amd64
Packages
500 http://security.ubuntu.com/ubuntu/ precise-security/universe amd64
Packages
100 /var/lib/dpkg/status
4.1.2-2ubuntu2 0
500 http://de.archive.ubuntu.com/ubuntu/ precise/universe amd64 Packages
DomU was installed with Netboot-Image on a LVM volume. Bootloader than changed
to pygrub.
--- Xen configuration for machine ---
name = "openldaptest"
memory = 256
disk = ['phy:/dev/camion/openldaptest,xvda,w']
vif = ['bridge=xenbr0']
bootloader = "pygrub"
---
Did `apt-get dist-upgrade` inside the DomU with kernel upgrade and after
`init 6` the DomU would not boot anymore.
Starting pygrub manually:
$ sudo /usr/bin/pygrub -n /dev/camion/openldaptest
Using <class 'grub.GrubConf.Grub2ConfigFile'> to parse
/boot/grub/grub.cfg
WARNING:root:Unknown directive load_video
WARNING:root:Unknown directive terminal_output
WARNING:root:Unknown directive else
WARNING:root:Unknown directive else
WARNING:root:Unknown directive else
WARNING:root:Unknown directive else
WARNING:root:Unknown directive else
WARNING:root:Unknown directive export
WARNING:root:Unknown image directive recordfail
WARNING:root:Unknown image directive gfxmode
WARNING:root:Unknown image directive recordfail
WARNING:root:Unknown directive submenu
WARNING:root:Unknown image directive recordfail
WARNING:root:Unknown image directive gfxmode
WARNING:root:Unknown image directive recordfail
Traceback (most recent call last):
File "/usr/bin/pygrub", line 763, in <module>
raise RuntimeError, "Unable to find partition containing kernel"
RuntimeError: Unable to find partition containing kernel
The message 'Unknown directive submenu' was the first different from a
working DomU.
So I mounted the the system partition, copied a backup over
/boot/grub/grub.cfg and manually changed it to the version of the new
kernel on all occurences of the version number. After that I unmounted
the system partition and could start the DomU again. I then did login on
the DomU and removed the old kernel with `apt-get purge`. This time
after `init 6` the DomU booted fine.
So after all it is working but the process of upgrading the kernel is
suboptimal.
** Affects: grub (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1094247
Title:
Boot problem with Xen DomU after kernel upgrade
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