[Pkg-libvirt-maintainers] Bug#766390: Bug#766390: libvirt0: fails unprivileged lxc domain with /proc/sys re-mount error

[Adrian Davey]

On 24/10/2014 08:09, Guido Günther wrote:
> On Thu, Oct 23, 2014 at 08:34:50PM +0100, Adrian Davey wrote:
>> I tried without the unprivileged_userns_clone before doing the change 
>> as by
>> default the debian linux kernel doesn't set it
> 
> The only difference I can spot is, that I'm not using butterfs. I'm
> also using systemd outside of the container. I'm not using selinux or
> apparmor.
> Cheers,
>  -- Guido

Hi,

I pulled out an old HP N36L Microserver and did a fresh Jessie base 
install via d-i onto ext4. Then dist-upgraded to sid, installed the same 
packages to enable libvirt deployment, same result as before.

So it's not a btrfs vs ext4 issue :/

root at holly2:~# mount
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
udev on /dev type devtmpfs 
(rw,relatime,size=10240k,nr_inodes=248327,mode=755)
devpts on /dev/pts type devpts 
(rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,relatime,size=398492k,mode=755)
/dev/sda1 on / type ext4 (rw,relatime,errors=remount-ro,data=ordered)
securityfs on /sys/kernel/security type securityfs 
(rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
tmpfs on /run/lock type tmpfs 
(rw,nosuid,nodev,noexec,relatime,size=5120k)
tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755)
cgroup on /sys/fs/cgroup/systemd type cgroup 
(rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd)
pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)
cgroup on /sys/fs/cgroup/cpuset type cgroup 
(rw,nosuid,nodev,noexec,relatime,cpuset)
cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup 
(rw,nosuid,nodev,noexec,relatime,cpu,cpuacct)
cgroup on /sys/fs/cgroup/memory type cgroup 
(rw,nosuid,nodev,noexec,relatime,memory)
cgroup on /sys/fs/cgroup/devices type cgroup 
(rw,nosuid,nodev,noexec,relatime,devices)
cgroup on /sys/fs/cgroup/freezer type cgroup 
(rw,nosuid,nodev,noexec,relatime,freezer)
cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup 
(rw,nosuid,nodev,noexec,relatime,net_cls,net_prio)
cgroup on /sys/fs/cgroup/blkio type cgroup 
(rw,nosuid,nodev,noexec,relatime,blkio)
cgroup on /sys/fs/cgroup/perf_event type cgroup 
(rw,nosuid,nodev,noexec,relatime,perf_event)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs 
(rw,relatime,fd=21,pgrp=1,timeout=300,minproto=5,maxproto=5,direct)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime)
mqueue on /dev/mqueue type mqueue (rw,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
tmpfs on /run/user/1000 type tmpfs 
(rw,nosuid,nodev,relatime,size=199248k,mode=700,uid=1000,gid=1000)
fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime)

root at holly2:~# cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-3.16-3-amd64 
root=UUID=32338814-6c6a-4329-96a1-6cea2e4f8f4d ro cgroup_enable=memory 
quiet

List of installed packages and versions on the host uploaded at a text 
file rather than make this bug report too long.

Regards,

Adrian

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