Troubleshooting the same issue with a user on #ubuntu-virt indicates
that the problem does disappear after a reboot. This seems to confirm
my suspicion that libdevmapper does not load its module when installed.
** Also affects: devmapper (Ubuntu)
Importance: Undecided
Status: New
** Summary changed:
- vmbuilder crashed with device mapper prerequisites not met in create()
+ libdevmapper does not load its kernel modules upon install
** Description changed:
+ libdevmapper needs a reboot after being installed for its modules to get
+ loaded, causing the following problem until a reboot does occur. Would
+ it be possible to have it insmod its module in postinst?
+
2008-10-03 10:30:35,387 INFO Creating disk image:
/tmp/vmbuilderLcJmhr/disk0.img
2008-10-03 10:30:35,418 INFO Adding partition table to disk image:
/tmp/vmbuilderLcJmhr/disk0.img
2008-10-03 10:30:35,463 INFO Adding type 1 partition to disk image:
/tmp/vmbuilderLcJmhr/disk0.img
2008-10-03 10:30:35,469 INFO Adding type 3 partition to disk image:
/tmp/vmbuilderLcJmhr/disk0.img
2008-10-03 10:30:35,475 INFO Creating loop devices corresponding to the
created partitions
2008-10-03 10:30:35,480 INFO /proc/misc: No entry for device-mapper found
2008-10-03 10:30:35,481 INFO Is device-mapper driver missing from kernel?
2008-10-03 10:30:35,481 INFO Failure to communicate with kernel
device-mapper driver.
2008-10-03 10:30:35,481 INFO /proc/misc: No entry for device-mapper found
2008-10-03 10:30:35,481 INFO Is device-mapper driver missing from kernel?
2008-10-03 10:30:35,481 INFO Failure to communicate with kernel
device-mapper driver.
2008-10-03 10:30:35,481 INFO Incompatible libdevmapper 1.02.27
(2008-06-25)(compat) and kernel driver
2008-10-03 10:30:35,481 INFO device mapper prerequisites not met
2008-10-03 10:30:35,482 CRITICAL Oh, dear, an exception occurred
2008-10-03 10:30:35,482 INFO Cleaning up
Traceback (most recent call last):
File "/usr/bin/vmbuilder", line 29, in <module>
VMBuilder.run()
File "/usr/lib/python2.5/site-packages/VMBuilder/__init__.py", line 66, in
run
frontend.run()
File "/usr/lib/python2.5/site-packages/VMBuilder/plugins/cli/__init__.py",
line 52, in run
vm.create()
File "/usr/lib/python2.5/site-packages/VMBuilder/vm.py", line 419, in create
raise e
VMBuilder.exception.VMBuilderException: Process (['kpartx', '-av',
'/tmp/vmbuilderLcJmhr/disk0.img']) returned 1. stdout: , stderr: /proc/misc: No
entry for device-mapper found
Is device-mapper driver missing from kernel?
Failure to communicate with kernel device-mapper driver.
/proc/misc: No entry for device-mapper found
Is device-mapper driver missing from kernel?
Failure to communicate with kernel device-mapper driver.
Incompatible libdevmapper 1.02.27 (2008-06-25)(compat) and kernel driver
device mapper prerequisites not met
ProblemType: Crash
Architecture: amd64
DistroRelease: Ubuntu 8.10
ExecutablePath: /usr/bin/vmbuilder
InterpreterPath: /usr/bin/python2.5
NonfreeKernelModules: nvidia
Package: python-vm-builder 0.9-0ubuntu1
PackageArchitecture: all
ProcAttrCurrent: unconfined
ProcCmdline: /usr/bin/python /usr/bin/vmbuilder vmw6 ubuntu --suite intrepid
--flavour virtual --arch i386 -o --libvirt qemu:///system --part
vmbuilder.partition --user jbunting --name Jared\ Bunting --pass password
--addpkg build-essential --addpkg openssh-server --mirror
http://hostname:9999/ubuntu --tmpfs --firstboot boot.sh --addpkg acpid --addpkg
man
ProcEnviron:
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/X11R6/bin
LANG=en_US.UTF-8
SHELL=/bin/bash
PythonArgs: ['/usr/bin/vmbuilder', 'vmw6', 'ubuntu', '--suite', 'intrepid',
'--flavour', 'virtual', '--arch', 'i386', '-o', '--libvirt', 'qemu:///system',
'--part', 'vmbuilder.partition', '--user', 'jbunting', '--name', 'Jared
Bunting', '--pass', 'password', '--addpkg', 'build-essential', '--addpkg',
'openssh-server', '--mirror', 'http://hostname:9999/ubuntu', '--tmpfs',
'--firstboot', 'boot.sh', '--addpkg', 'acpid', '--addpkg', 'man']
SourcePackage: vm-builder
Title: vmbuilder crashed with device mapper prerequisites not met in create()
Uname: Linux 2.6.27-4-generic x86_64
UserGroups:
** Changed in: vmbuilder
Status: Incomplete => Confirmed
** Changed in: vm-builder (Ubuntu)
Importance: Undecided => Medium
Status: Incomplete => Confirmed
--
libdevmapper does not load its kernel modules upon install
https://bugs.launchpad.net/bugs/277648
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