[CRIU] Checkpointing failed

[Tycho Andersen]

On Tue, Oct 07, 2014 at 04:32:34PM +0100, Thouraya TH wrote:
> 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.

Our advice is cumulative, so the previous fixes you have applied
(i.e. unmounting pstore inside the container) should also be applied
here.

Tycho