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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1530617
Title:
FUSE in wily image with upstart installed causes chaos
Status in linux package in Ubuntu:
Incomplete
Status in lxc package in Ubuntu:
Confirmed
Status in upstart package in Ubuntu:
New
Bug description:
Host:
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=15.10
DISTRIB_CODENAME=wily
DISTRIB_DESCRIPTION="Ubuntu 15.10"
lxc version: 1.1.4-0ubuntu1
In a LXC container running Ubuntu 15.10, install upstart-sysv to
replace systemd. Using FUSE then causes almost all processes in the
container to be killed.
The following steps reproduce the problem using sshfs:
# create a wily container and attach to it
sudo lxc-create -t download -n wily -- -d ubuntu -r wily -a amd64
sudo lxc-start -n wily
sudo lxc-attach -n wily
# inside the container, install upstart-sysv and reboot
apt-get update && apt-get -y install upstart-sysv
reboot
# on the host, reattach to the container
sudo lxc-attach -n wily
# back in the container, install ssh and sshfs
apt-get -y install openssh-server sshfs
# create an ssh key pair in /root/.ssh
ssh-keygen
# set up passwordless ssh
mkdir ~ubuntu/.ssh
cat /root/.ssh/id_rsa.pub >> ~ubuntu/.ssh/authorized_keys
eval $(ssh-agent)
ssh-add /root/.ssh/id_rsa
# take a note of the running processes and their PIDs
ps axjf
# run sshfs
mkdir /fuse
sshfs ubuntu@localhost:/ /fuse
# we are kicked out of the container
# run ps again in the container
sudo lxc-attach -n wily -- ps axjf
# a whole bunch of processes are now gone. the getty processes now
have new PIDs, indicating they have been restarted.
Other debugging performed:
- On a 14.10 host with lxc version 1.1.0~alpha2-0ubuntu3.3, the problem does
not occur. FUSE works fine.
- On the same 14.10 host with lxc upgraded to 1.1.5-0ubuntu3~ubuntu14.04.1,
the problem occurs.
- On a 15.10 host, when running a wily container without upstart, the problem
does not occur.
- On a 15.10 host, when running a trusty container, the problem does not
occur.
- The problem can't be reproduced outside a container (15.10 host, install
upstart-sysv, then use FUSE)
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