** Description changed: When I try to upgrade from 15.10 Wily to 16.04 Xenial (actual development version) within an LXC container, the upgrade script hangs at the message „Calculating the changes”. Steps to reproduce: 1. Make an LXC container with Wily (quickest option is to use lxc-create -t download, choose ubuntu, wily, amd64/i386). - 2. Boot up the container, log in, „apt-get -y install ubuntu-release-upgrader”. + 2. Boot up the container, log in, „apt-get -y install ubuntu-release-upgrader-core”. 3. Start the upgrade with „do-release-upgrade -d”. You will see that the upgrade process will hang at the message „Calculating the changes”. The process which hangs: „/usr/bin/python3 /tmp/ubuntu-release-upgrader- 1mpotr5d/xenial --mode=server --frontend=DistUpgradeViewText --devel- release” With strace, it is revealed that the process hangs at a „futex” system call: futex(0x7f4190000c10, FUTEX_WAIT_PRIVATE, 0, NULL This system call never returns, the process must be interrupted with CTRL-C or kill. Upgrading to any previous release within an LXC container works without problems, therefore I consider it as a regression.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to lxc in Ubuntu. https://bugs.launchpad.net/bugs/1511875 Title: Can't upgrade from 15.10 Wily to 16.04 Xenial in LXC container Status in lxc package in Ubuntu: New Status in ubuntu-release-upgrader package in Ubuntu: New Bug description: When I try to upgrade from 15.10 Wily to 16.04 Xenial (actual development version) within an LXC container, the upgrade script hangs at the message „Calculating the changes”. Steps to reproduce: 1. Make an LXC container with Wily (quickest option is to use lxc-create -t download, choose ubuntu, wily, amd64/i386). 2. Boot up the container, log in, „apt-get -y install ubuntu-release-upgrader-core”. 3. Start the upgrade with „do-release-upgrade -d”. You will see that the upgrade process will hang at the message „Calculating the changes”. The process which hangs: „/usr/bin/python3 /tmp/ubuntu-release- upgrader-1mpotr5d/xenial --mode=server --frontend=DistUpgradeViewText --devel-release” With strace, it is revealed that the process hangs at a „futex” system call: futex(0x7f4190000c10, FUTEX_WAIT_PRIVATE, 0, NULL This system call never returns, the process must be interrupted with CTRL-C or kill. Upgrading to any previous release within an LXC container works without problems, therefore I consider it as a regression. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1511875/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
