[CRIU] Checkpointing failed

[Tycho Andersen]

On Tue, Oct 07, 2014 at 03:54:08PM +0100, Thouraya TH wrote:
> Ok, i will try this, but
> should i first mount again connections
> sudo mount  /sys/fs/fuse/connections

You can have fuse connections mounted as long as you don't have any
fuse filesystems mounted, but the easiest thing would probably be for
you to leave it unmounted.

Tycho

> ?
> or not ?
> 
> Thanks.
> 
> 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.
> >