[lxc-users] URGENT Panic when upgrading Kernel

[Christian Brauner]

On Tue, May 19, 2020 at 02:46:34AM -0400, Saint Michael wrote:
> Ubuntu 18.04
> 5.3.0-51-generic
> lxc-start --version
> 4.0.0-devel
> I can no longer start my containers, how do I get back to a version of LXC
> that still works with this kernel?

This should already be fixed in master but I'll try and reproduce now.
Can you send the container's config, please?

Christian

> 
> 
> 
> lxc-start: opensips: tools/lxc_start.c: main: 314 Additional information
> can be obtained by setting the --logfile and --logpriority options
> lxc-start opensips 20200519063918.491 ERROR    utils -
> utils.c:lxc_can_use_pidfd:1855 - Invalid argument - Kernel does not support
> waiting on processes through pidfds
> lxc-start opensips 20200519063918.824 ERROR    network -
> network.c:instantiate_ns_phys:932 - No such device - Failed to retrieve
> ifindex for network device with name eth0
> lxc-start opensips 20200519063918.825 ERROR    network -
> network.c:lxc_setup_network_in_child_namespaces:3553 - No such device -
> Failed to setup netdev
> lxc-start opensips 20200519063918.826 ERROR    conf - conf.c:lxc_setup:3339
> - Failed to setup network
> lxc-start opensips 20200519063918.826 ERROR    start -
> start.c:do_start:1224 - Failed to setup container "opensips"
> lxc-start opensips 20200519063918.827 ERROR    sync - sync.c:__sync_wait:41
> - An error occurred in another process (expected sequence number 5)
> lxc-start opensips 20200519063918.873 ERROR    start -
> start.c:__lxc_start:1950 - Failed to spawn container "opensips"
> lxc-start opensips 202

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