[CRIU] Checkpointing failed

[Thouraya TH]

what i have done exactly:

root at thouraya-Lenovo-3000-N500:~# vim
/usr/share/lxc/config/ubuntu.common.conf

# This derives from the global common config
lxc.include = /usr/share/lxc/config/common.conf

# Default mount entries
lxc.mount.entry = proc proc proc nodev,noexec,nosuid 0 0
lxc.mount.entry = sysfs sys sysfs defaults 0 0
lxc.mount.entry = /sys/fs/fuse/connections sys/fs/fuse/connections none
bind,optional 0 0
lxc.mount.entry = /sys/kernel/debug sys/kernel/debug none bind,optional 0 0
lxc.mount.entry = /sys/kernel/security sys/kernel/security none
bind,optional 0 0

*#lxc.mount.entry = /sys/fs/pstore sys/fs/pstore none bind,optional 0
0lxc.mount.entry = tmpfs /sys/fs/pstore none bind,optional 0 0*

...

root at thouraya-Lenovo-3000-N500:~# lxc-checkpoint -s -D /home/thouraya/lxcCR
-n u1
Checkpointing u1 failed.

dump.log:
Warn  (fsnotify.c:183): fsnotify:     Handle 800001:60a0d cannot be opened
Warn  (fsnotify.c:183): fsnotify:     Handle 800001:6511a cannot be opened
Error (parasite-syscall.c:387): si_code=4 si_pid=2886 si_status=5
Error (parasite-syscall.c:387): si_code=4 si_pid=2887 si_status=5
Error (parasite-syscall.c:387): si_code=4 si_pid=2888 si_status=5
Error (mount.c:448): 75:./sys/fs/pstore doesn't have a proper root mount
Error (cr-dump.c:1953): Dumping FAILED.


 i have to mount pstore ?
> As you know i have already done this:
>
> root at u1:/# sudo umount /sys/fs/pstore
> root at u1:/# vim /etc/fstab
> root at u1:/# vim /etc/fstab
>
> i have only this line in the file:
> -- > # UNCONFIGURED FSTAB FOR BASE SYSTEM
>
> root at u1:/# rmdir /sys/fs/pstore
> rmdir: échec de suppression de «/sys/fs/pstore»: Permission non accordée
> root at u1:/# sudo rmdir /sys/fs/pstore
> rmdir: échec de suppression de «/sys/fs/pstore»: Permission non accordée
> root at u1:/# sudo su
> root at u1:/#  rmdir /sys/fs/pstore
> rmdir: échec de suppression de «/sys/fs/pstore»: Permission non accordée
> root at u1:/#

Bests.


2014-10-07 16:17 GMT+01:00 Thouraya TH <thouraya87 at gmail.com>:

> i'm sorry, i will try not in the container :(
>
> 2014-10-07 16:15 GMT+01:00 Thouraya TH <thouraya87 at gmail.com>:
>
>> Inside the container:
>> root at u1:/# sudo umount  /sys/fs/fuse/connections
>> root at u1:/#
>>
>> root at u1:/# cd /usr/share/lxc/config/
>> bash: cd: /usr/share/lxc/config/: Aucun fichier ou dossier de ce type
>> root at u1:/# cat /usr/share/lxc/config/ubuntu.common.conf
>> cat: /usr/share/lxc/config/ubuntu.common.conf: Aucun fichier ou dossier
>> de ce type
>>
>> ?
>>
>> 2014-10-07 15:49 GMT+01:00 Serge Hallyn <serge.hallyn at ubuntu.com>:
>>
>>> Quoting Thouraya TH (thouraya87 at gmail.com):
>>> > root at u1:/# sudo umount /sys/fs/fuse/
>>> > umount : /sys/fs/fuse/ : n'est pas monté
>>> >
>>> > !!
>>> > it doesn't work
>>> >
>>> > As you know i have already done this:
>>> >
>>> > root at u1:/# sudo umount /sys/fs/pstore
>>> > root at u1:/# vim /etc/fstab
>>> > root at u1:/# vim /etc/fstab
>>> >
>>> > i have only this line in the file:
>>> > -- > # UNCONFIGURED FSTAB FOR BASE SYSTEM
>>> >
>>> > root at u1:/# rmdir /sys/fs/pstore
>>> > rmdir: échec de suppression de «/sys/fs/pstore»: Permission non
>>> accordée
>>> > root at u1:/# sudo rmdir /sys/fs/pstore
>>> > rmdir: échec de suppression de «/sys/fs/pstore»: Permission non
>>> accordée
>>> > root at u1:/# sudo su
>>> > root at u1:/#  rmdir /sys/fs/pstore
>>> > rmdir: échec de suppression de «/sys/fs/pstore»: Permission non
>>> accordée
>>> > root at u1:/#
>>>
>>> Ok I don't know whether you're having a problem with pstore at c/r or
>>> not as that seems unrelated to the fuse gorp, but if you are having a
>>> problem with pstore, then
>>>
>>> Edit /usr/share/lxc/config/ubuntu.common.conf, comment out
>>>
>>> lxc.mount.entry = /sys/fs/pstore sys/fs/pstore none bind,optional 0 0
>>>
>>> and add
>>>
>>> lxc.mount.entry = tmpfs /sys/fs/pstore none bind,optional 0 0
>>>
>>> That should keep mountall from trying to mount pstore.
>>>
>>> I think what you really want to do is teach criu to simply mark that
>>> pstore
>>> was mounted, then simply bind-mount it from the host again at restart.
>>>
>>
>>
>
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