Quoting Dan Kegel (d...@kegel.com): > On Fri, Sep 7, 2012 at 4:01 PM, Dan Kegel <d...@kegel.com> wrote: > >> mkfifo /tmp/fifo > >> ln /tmp/fifo /tmp/fifo2 > >> fails with "operation not permitted". > >> > > Aha. Starting with 'lxc-start' yields a system which can do the ln. > > Starting with 'lxc-start-ephemeral' yields a system which can't. > > Has nothing to do with /tmp. > > > > Is overlayfs at fault? > > I see there are several rumored sources of restrictions on hardlinks, e.g. > https://lkml.org/lkml/2011/5/19/384 > https://lkml.org/lkml/2012/2/21/397 > > And I see this is a known issue: > http://comments.gmane.org/gmane.linux.ubuntu.devel/34948 > > Happily, using the -U aufs option to lxc-start-ephemeral seems to work > around the problem, at least in my little test. I'll know soon if it fixes > my real system. > > But I was not able to find a bug for this issue in launchpad. Should > I file one?
There are several other bugs in overlayfs which are not hurriedly getting fixed. If you have a testcase to show that it's definately an overlayfs bug, you might just take it o lkml. But yeah, filing a bug against 'linux' (the kernel package) saying it's an overlayfs bugs would be good. thanks, -serge ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
