[lxc-users] CRIU with lxc.network.type empty fails

Wed Aug 12 15:27:03 UTC 2015

Here is the requested info:

# cat /proc/22373/mountinfo
214 126 7:1 / / rw,relatime - ext4 /dev/loop1 rw,data=ordered
215 214 0:64 / /dev rw,relatime - tmpfs none rw,size=100k,mode=755
216 214 0:63 / /proc rw,nosuid,nodev,noexec,relatime - proc proc rw
217 218 0:63 /sys/net /proc/sys/net rw,nosuid,nodev,noexec,relatime - proc proc
rw
218 216 0:63 /sys /proc/sys ro,nosuid,nodev,noexec,relatime - proc proc rw
219 216 0:63 /sysrq-trigger /proc/sysrq-trigger ro,nosuid,nodev,noexec,relatime
- proc proc rw
220 214 0:65 / /sys rw,nosuid,nodev,noexec,relatime - sysfs sysfs rw
221 220 0:65 / /sys ro,nosuid,nodev,noexec,relatime - sysfs sysfs rw
222 221 0:65 / /sys/devices/virtual/net rw,relatime - sysfs sysfs rw
223 222 0:65 /devices/virtual/net /sys/devices/virtual/net
rw,nosuid,nodev,noexec,relatime - sysfs sysfs rw
224 221 0:36 / /sys/fs/fuse/connections rw,relatime master:26 - fusectl fusectl
rw
225 221 0:7 / /sys/kernel/debug rw,relatime master:24 - debugfs debugfs rw
226 221 0:12 / /sys/kernel/security rw,nosuid,nodev,noexec,relatime master:8 -
securityfs securityfs rw
227 221 0:24 / /sys/fs/pstore rw,nosuid,nodev,noexec,relatime master:11 - pstore
pstore rw
228 221 0:66 / /sys/fs/cgroup rw,relatime - tmpfs cgroup rw,size=12k,mode=755
229 228 0:22 /cgmanager /sys/fs/cgroup/cgmanager rw master:9 - tmpfs tmpfs
rw,mode=755
230 216 0:49 /proc/cpuinfo /proc/cpuinfo rw,nosuid,nodev,relatime master:89 -
fuse.lxcfs lxcfs rw,user_id=0,group_id=0,allow_other
231 216 0:49 /proc/diskstats /proc/diskstats rw,nosuid,nodev,relatime master:89
- fuse.lxcfs lxcfs rw,user_id=0,group_id=0,allow_other
232 216 0:49 /proc/meminfo /proc/meminfo rw,nosuid,nodev,relatime master:89 -
fuse.lxcfs lxcfs rw,user_id=0,group_id=0,allow_other
233 216 0:49 /proc/stat /proc/stat rw,nosuid,nodev,relatime master:89 -
fuse.lxcfs lxcfs rw,user_id=0,group_id=0,allow_other
234 216 0:49 /proc/uptime /proc/uptime rw,nosuid,nodev,relatime master:89 -
fuse.lxcfs lxcfs rw,user_id=0,group_id=0,allow_other
235 228 0:49 /cgroup/blkio /sys/fs/cgroup/blkio rw,nosuid,nodev,relatime
master:89 - fuse.lxcfs lxcfs rw,user_id=0,group_id=0,allow_ot             her
236 228 0:49 /cgroup/cpu,cpuacct /sys/fs/cgroup/cpu,cpuacct
rw,nosuid,nodev,relatime master:89 - fuse.lxcfs lxcfs rw,user_id=0,group_i
            d=0,allow_other
237 228 0:49 /cgroup/cpuset /sys/fs/cgroup/cpuset rw,nosuid,nodev,relatime
master:89 - fuse.lxcfs lxcfs rw,user_id=0,group_id=0,allow_             other
238 228 0:49 /cgroup/devices /sys/fs/cgroup/devices rw,nosuid,nodev,relatime
master:89 - fuse.lxcfs lxcfs rw,user_id=0,group_id=0,allo             w_other
239 228 0:49 /cgroup/freezer /sys/fs/cgroup/freezer rw,nosuid,nodev,relatime
master:89 - fuse.lxcfs lxcfs rw,user_id=0,group_id=0,allo             w_other
240 228 0:49 /cgroup/hugetlb /sys/fs/cgroup/hugetlb rw,nosuid,nodev,relatime
master:89 - fuse.lxcfs lxcfs rw,user_id=0,group_id=0,allo             w_other
241 228 0:49 /cgroup/memory /sys/fs/cgroup/memory rw,nosuid,nodev,relatime
master:89 - fuse.lxcfs lxcfs rw,user_id=0,group_id=0,allow_             other
125 228 0:49 /cgroup/name=systemd /sys/fs/cgroup/systemd
rw,nosuid,nodev,relatime master:89 - fuse.lxcfs lxcfs rw,user_id=0,group_id=0
            ,allow_other
242 228 0:49 /cgroup/net_cls,net_prio /sys/fs/cgroup/net_cls,net_prio
rw,nosuid,nodev,relatime master:89 - fuse.lxcfs lxcfs rw,user_id
            =0,group_id=0,allow_other
243 228 0:49 /cgroup/perf_event /sys/fs/cgroup/perf_event
rw,nosuid,nodev,relatime master:89 - fuse.lxcfs lxcfs rw,user_id=0,group_id=
            0,allow_other
129 215 0:61 / /dev/pts rw,relatime - devpts devpts
rw,gid=5,mode=620,ptmxmode=666
130 225 0:9 / /sys/kernel/debug/tracing rw,relatime - tracefs tracefs rw
131 214 0:67 / /run rw,nosuid,noexec,relatime - tmpfs none
rw,size=3290684k,mode=755
132 131 0:68 / /run/lock rw,nosuid,nodev,noexec,relatime - tmpfs none
rw,size=5120k
133 131 0:69 / /run/shm rw,nosuid,nodev,relatime - tmpfs none rw
134 131 0:70 / /run/user rw,nosuid,nodev,noexec,relatime - tmpfs none
rw,size=102400k,mode=755

# cat /proc/self/mountinfo
19 24 0:18 / /sys rw,nosuid,nodev,noexec,relatime shared:7 - sysfs sysfs rw
20 24 0:4 / /proc rw,nosuid,nodev,noexec,relatime shared:12 - proc proc rw
21 24 0:6 / /dev rw,relatime shared:2 - devtmpfs udev
rw,size=10240k,nr_inodes=4109801,mode=755
22 21 0:14 / /dev/pts rw,nosuid,noexec,relatime shared:3 - devpts devpts
rw,gid=5,mode=620,ptmxmode=000
23 24 0:19 / /run rw,nosuid,relatime shared:5 - tmpfs tmpfs
rw,size=6581364k,mode=755
24 0 8:33 / / rw,relatime shared:1 - ext4 /dev/sdc1
rw,errors=remount-ro,data=ordered
25 19 0:12 / /sys/kernel/security rw,nosuid,nodev,noexec,relatime shared:8 -
securityfs securityfs rw
26 21 0:20 / /dev/shm rw,nosuid,nodev shared:4 - tmpfs tmpfs rw
27 23 0:21 / /run/lock rw,nosuid,nodev,noexec,relatime shared:6 - tmpfs tmpfs
rw,size=5120k
28 19 0:22 / /sys/fs/cgroup rw shared:9 - tmpfs tmpfs rw,mode=755
29 28 0:23 / /sys/fs/cgroup/systemd rw,nosuid,nodev,noexec,relatime shared:10 -
cgroup cgroup
rw,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd
30 19 0:24 / /sys/fs/pstore rw,nosuid,nodev,noexec,relatime shared:11 - pstore
pstore rw
31 28 0:25 / /sys/fs/cgroup/cpuset rw,nosuid,nodev,noexec,relatime shared:13 -
cgroup cgroup rw,cpuset,clone_children
32 28 0:26 / /sys/fs/cgroup/cpu,cpuacct rw,nosuid,nodev,noexec,relatime
shared:14 - cgroup cgroup rw,cpu,cpuacct
33 28 0:27 / /sys/fs/cgroup/blkio rw,nosuid,nodev,noexec,relatime shared:15 -
cgroup cgroup rw,blkio
34 28 0:28 / /sys/fs/cgroup/memory rw,nosuid,nodev,noexec,relatime shared:16 -
cgroup cgroup rw,memory
35 28 0:29 / /sys/fs/cgroup/devices rw,nosuid,nodev,noexec,relatime shared:17 -
cgroup cgroup rw,devices
36 28 0:30 / /sys/fs/cgroup/freezer rw,nosuid,nodev,noexec,relatime shared:18 -
cgroup cgroup rw,freezer
37 28 0:31 / /sys/fs/cgroup/net_cls,net_prio rw,nosuid,nodev,noexec,relatime
shared:19 - cgroup cgroup rw,net_cls,net_prio
38 28 0:32 / /sys/fs/cgroup/perf_event rw,nosuid,nodev,noexec,relatime shared:20
- cgroup cgroup
rw,perf_event,release_agent=/run/cgmanager/agents/cgm-release-agent.perf_event
39 28 0:33 / /sys/fs/cgroup/hugetlb rw,nosuid,nodev,noexec,relatime shared:21 -
cgroup cgroup
rw,hugetlb,release_agent=/run/cgmanager/agents/cgm-release-agent.hugetlb
40 20 0:34 / /proc/sys/fs/binfmt_misc rw,relatime shared:22 - autofs systemd-1
rw,fd=22,pgrp=1,timeout=300,minproto=5,maxproto=5,direct
41 21 0:17 / /dev/mqueue rw,relatime shared:23 - mqueue mqueue rw
43 19 0:7 / /sys/kernel/debug rw,relatime shared:24 - debugfs debugfs rw
42 21 0:35 / /dev/hugepages rw,relatime shared:25 - hugetlbfs hugetlbfs rw
44 19 0:36 / /sys/fs/fuse/connections rw,relatime shared:26 - fusectl fusectl rw
103 23 0:45 / /run/rpc_pipefs rw,relatime shared:83 - rpc_pipefs rpc_pipefs rw
107 23 0:47 / /run/cgmanager/fs rw,relatime shared:87 - tmpfs cgmfs
rw,size=100k,mode=755
111 24 0:49 / /var/lib/lxcfs rw,nosuid,nodev,relatime shared:89 - fuse.lxcfs
lxcfs rw,user_id=0,group_id=0,allow_other
113 23 0:50 / /run/user/0 rw,nosuid,nodev,relatime shared:91 - tmpfs tmpfs
rw,size=3290684k,mode=700

> On August 12, 2015 at 4:56 PM Tycho Andersen <tycho.andersen at canonical.com>
> wrote:
> 
> 
> On Wed, Aug 12, 2015 at 08:54:22AM -0600, Tycho Andersen wrote:
> > Not quite, can you show /proc/<container init pid>/mountinfo? I think
> > this should be autodetected by criu the same way the other mounts are,
> > but apparently it is not.
> 
> Seeing the host's /proc/self/mountinfo would be useful too, thanks.
> 
> Tycho
> 