We've not seen any other issue like this in the past 5 years, users
usually know to pick something that they can actually run or know that
they'll need to setup emulation.
The error reported as weird as it is, is the expected behavior from the
kernel when asked to run a foreign architecture binary, so no obvious
bug to fix here nor really a way for LXC to distinguish that case from
an actual permission issue.
** Changed in: lxc (Ubuntu)
Status: Triaged => Invalid
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https://bugs.launchpad.net/bugs/1396536
Title:
lxc_start - Exec format error - failed to exec /sbin/init
Status in lxc package in Ubuntu:
Invalid
Bug description:
I have an up to date Ubuntu 14.04. I followed the guide at
https://help.ubuntu.com/lts/serverguide/lxc.html
sudo apt-get install lxc && sudo lxc-create --template download --name
u1
- Choose ubuntu-vivid-armhf, then:
sudo lxc-start --name u1 --daemon
lxc-start 1416996721.249 INFO lxc_apparmor - changed apparmor
profile
to lxc-container-default
lxc-start 1416996721.249 NOTICE lxc_start - exec'ing '/sbin/init'
lxc-start 1416996721.253 ERROR lxc_start - Exec format error -
failed to exec /sbin/init
lxc-
$ sudo lxc-ls --fancy
NAME STATE IPV4 IPV6 AUTOSTART
------------------------------------
u1 STOPPED - - NO
$ sudo lxc-checkconfig
Kernel configuration not found at /proc/config.gz; searching...
Kernel configuration found at /boot/config-3.13.0-24-generic
--- Namespaces ---
Namespaces: enabled
Utsname namespace: enabled
Ipc namespace: enabled
Pid namespace: enabled
User namespace: enabled
Network namespace: enabled
Multiple /dev/pts instances: enabled
--- Control groups ---
Cgroup: enabled
Cgroup clone_children flag: enabled
Cgroup device: enabled
Cgroup sched: enabled
Cgroup cpu account: enabled
Cgroup memory controller: enabled
Cgroup cpuset: enabled
--- Misc ---
Veth pair device: enabled
Macvlan: enabled
Vlan: enabled
File capabilities: enabled
Note : Before booting a new kernel, you can check its configuration
usage : CONFIG=/path/to/config /usr/bin/lxc-checkconfig
Except apt-get update and apt-get upgrade I didn't install any other packages
(okay, I installed vim and git).
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