On Sun, 2014-03-02 at 19:30 +0800, Ian Kent wrote: > On Sun, 2014-03-02 at 12:15 +0100, Donald Buczek wrote: > > I've follow the mysterious "root" up: > > > > > (gdb) print ((struct dentry *)0xffff88007ca407d0)->d_name->name > > > $10 = (const unsigned char *) 0xffff88007ca40808 "old-root-D0k5jB" > > > (gdb) print ((struct dentry *)0xffff88007ca407d0)->d_parent->d_name->name > > > $11 = (const unsigned char *) 0xffff88007ca6c748 "private" > > > (gdb) print ((struct dentry > > > *)0xffff88007ca407d0)->d_parent->d_parent->d_name->name > > > $12 = (const unsigned char *) 0xffff88007ca58b48 > > > "systemd-namespace-os99ZC" > > > (gdb) print ((struct dentry > > > *)0xffff88007ca407d0)->d_parent->d_parent->d_parent->d_name->name > > > $13 = (const unsigned char *) 0xffff8800c890ce48 "tmp" > > > (gdb) print ((struct dentry > > > *)0xffff88007ca407d0)->d_parent->d_parent->d_parent->d_parent->d_name->name > > > $14 = (const unsigned char *) 0xffff88012900f2c8 "/" > > > root:kasslerbraten:/home/buczek/autofs/# ls -lR > > > /tmp/systemd-namespace-os99ZC/ > > > /tmp/systemd-namespace-os99ZC/: > > > total 0 > > > drwxrwxr-t 2 root system 48 Feb 28 12:33 private > > > drwxrwxr-x 2 root system 48 Feb 28 12:33 root > > > > > > /tmp/systemd-namespace-os99ZC/private: > > > total 0 > > > > > > /tmp/systemd-namespace-os99ZC/root: > > > total 0 > > > > > > So its systemd which is doing some strange namespace stuff in /tmp. > > This probably collides in some way with the autofs model of autofs > > having global pathnames. > > > > Still not clear and not solved, but we're really coming closer... > > LOL, forgive me for thinking that systemd just sets "/" shared in a > simple way. > > That little pain in the a*** might be what it's doing there. > Mind you making "/" shared should be done way before autofs is started. Container implementations do similar things with like pivot mount on a new root and may change the propagation type as well. Ian -- To unsubscribe from this list: send the line "unsubscribe autofs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
