Leo - how about attempting an update from a current kernel, e.g., linux 4.2.0-30.36 ? 4.2.0-7 wasn't even a released kernel.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1534393 Title: Canonistack instance gets lockups Status in linux package in Ubuntu: Confirmed Bug description: I was updating my canonistack machine from wily to xenial. ProblemType: Package DistroRelease: Ubuntu 16.04 Package: systemd 225-1ubuntu4 ProcVersionSignature: Ubuntu 4.2.0-7.7-generic 4.2.0 Uname: Linux 4.2.0-7-generic x86_64 ApportVersion: 2.18.1-0ubuntu1 Architecture: amd64 Date: Fri Jan 15 00:24:49 2016 DuplicateSignature: package:systemd:225-1ubuntu4:subprocess installed post-installation script returned error exit status 1 Ec2AMI: ami-00000f3b Ec2AMIManifest: FIXME Ec2AvailabilityZone: nova Ec2InstanceType: m1.medium Ec2Kernel: aki-0000022a Ec2Ramdisk: ari-0000022a ErrorMessage: subprocess installed post-installation script returned error exit status 1 Lsusb: Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: OpenStack Foundation OpenStack Nova ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-7-generic root=LABEL=cloudimg-rootfs ro console=tty1 console=ttyS0 RelatedPackageVersions: dpkg 1.18.4ubuntu1 apt 1.1.10 SourcePackage: systemd Title: package systemd 225-1ubuntu4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' UpgradeStatus: Upgraded to xenial on 2016-01-15 (0 days ago) dmi.bios.date: 01/01/2011 dmi.bios.vendor: Bochs dmi.bios.version: Bochs dmi.chassis.type: 1 dmi.chassis.vendor: Bochs dmi.modalias: dmi:bvnBochs:bvrBochs:bd01/01/2011:svnOpenStackFoundation:pnOpenStackNova:pvr2013.2.3:cvnBochs:ct1:cvr: dmi.product.name: OpenStack Nova dmi.product.version: 2013.2.3 dmi.sys.vendor: OpenStack Foundation To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1534393/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp