John Drescher wrote: > On Fri, Jan 22, 2010 at 8:59 AM, Daniel Lezcano <daniel.lezc...@free.fr> > wrote: > >> John Drescher wrote: >> >>>> Gah ! ok, the last request : can you launch the container with the >>>> following >>>> command line ? >>>> >>>> lxc-start -n guest_1 -l DEBUG -o $(tty) >>>> and give the output. >>>> >>>> >> Thanks for sending the output. >> >> [ ... ] >> >> >>>> Is it possible the /dev/shm was mounted at the boot time on the initrd >>>> disk >>>> ? >>>> >>> On the host yes that is possible. I believe it would be easy to remove >>> the initrd on this machine since it's pretty scaled down being that it >>> runs inside of virtualbox. >>> >> A did a change and commited it in the git tree. I think you should be able >> to start the container now. If it's the case I would be interested to see >> the log output with the fix. >> >> > > Still did not start. BTW, I disabled the initrd on the host however I > did see a line during the host boot > mounting /dev/shm it is possible that openrc (new gentoo init system) > is mounting /dev/shm in the guest > as well. I can probably disable this after I find out what entry is > causing that. > > localhost ~ # lxc-start -n guest_1 -l DEBUG -o $(tty) > lxc-start 1264151162.397 INFO lxc_conf - tty's configured > lxc-start 1264151162.397 DEBUG lxc_start - sigchild handler set > lxc-start 1264151162.397 INFO lxc_start - 'guest_1' is initialized > lxc-start 1264151162.400 DEBUG lxc_conf - instanciated veth > 'vethSCsXtA/vethuC7t3w', index is '10' > lxc-start 1264151162.447 DEBUG lxc_cgroup - using cgroup > mounted at '/cgroup' > lxc-start 1264151162.448 DEBUG lxc_cgroup - '/cgroup/8422' > renamed to '/cgroup/guest_1' > lxc-start 1264151162.503 DEBUG lxc_conf - move 'br0' to '8422' > lxc-start 1264151162.503 INFO lxc_conf - 'guest_1' hostname > has been setup > lxc-start 1264151162.506 DEBUG lxc_conf - 'veth0' has been setup > lxc-start 1264151162.506 INFO lxc_conf - network has been setup > lxc-start 1264151162.506 DEBUG lxc_cgroup - using cgroup > mounted at '/cgroup' > lxc-start 1264151162.507 DEBUG lxc_conf - cgroup > 'devices.deny' set to 'a # Deny all access to devices' > lxc-start 1264151162.507 DEBUG lxc_conf - cgroup > 'devices.allow' set to 'c 1:3 rwm # dev/null' > lxc-start 1264151162.507 DEBUG lxc_conf - cgroup > 'devices.allow' set to 'c 1:5 rwm # dev/zero' > lxc-start 1264151162.507 DEBUG lxc_conf - cgroup > 'devices.allow' set to 'c 5:1 rwm # dev/console' > lxc-start 1264151162.507 DEBUG lxc_conf - cgroup > 'devices.allow' set to 'c 5:0 rwm # dev/tty' > lxc-start 1264151162.507 DEBUG lxc_conf - cgroup > 'devices.allow' set to 'c 4:0 rwm # dev/tty0' > lxc-start 1264151162.507 DEBUG lxc_conf - cgroup > 'devices.allow' set to 'c 4:1 rwm # dev/tty1' > lxc-start 1264151162.507 DEBUG lxc_conf - cgroup > 'devices.allow' set to 'c 4:2 rwm # dev/tty2' > lxc-start 1264151162.507 DEBUG lxc_conf - cgroup > 'devices.allow' set to 'c 1:9 rwm # dev/urandon' > lxc-start 1264151162.507 DEBUG lxc_conf - cgroup > 'devices.allow' set to 'c 1:8 rwm # dev/random' > lxc-start 1264151162.507 DEBUG lxc_conf - cgroup > 'devices.allow' set to 'c 136:* rwm # dev/pts/*' > lxc-start 1264151162.507 DEBUG lxc_conf - cgroup > 'devices.allow' set to 'c 5:2 rwm # dev/pts/ptmx' > lxc-start 1264151162.507 DEBUG lxc_conf - cgroup > 'devices.allow' set to 'c 254:0 rwm' > lxc-start 1264151162.507 INFO lxc_conf - cgroup has been setup > lxc-start 1264151162.507 DEBUG lxc_conf - mounted none on > /lxc/guest_1/dev/pts, type devpts > lxc-start 1264151162.507 DEBUG lxc_conf - mounted none on > /lxc/guest_1/dev/shm, type tmpfs > The container mounts /dev/shm ...
> lxc-start 1264151162.507 DEBUG lxc_conf - mounted > /usr/portage on /lxc/guest_1/usr/portage, type none > lxc-start 1264151162.507 INFO lxc_conf - mount points have been > setup > lxc-start 1264151162.507 INFO lxc_conf - mount points have been > setup > lxc-start 1264151162.507 INFO lxc_conf - console > '/dev/pts/0' mounted to '/lxc/guest_1/dev/console' > lxc-start 1264151162.507 INFO lxc_conf - 4 tty(s) has been setup > lxc-start 1264151162.508 DEBUG lxc_conf - temporary > mountpoint for old rootfs is './lxc-oldrootfs-WIzwQn' > lxc-start 1264151162.508 DEBUG lxc_conf - pivot_root syscall > to '/lxc-oldrootfs-WIzwQn' successful > lxc-start 1264151162.508 DEBUG lxc_conf - umounted > '/lxc-oldrootfs-WIzwQn/proc/bus/usb' > lxc-start 1264151162.508 DEBUG lxc_conf - umounted > '/lxc-oldrootfs-WIzwQn/lib64/rc/init.d' > lxc-start 1264151162.508 DEBUG lxc_conf - umounted > '/lxc-oldrootfs-WIzwQn/dev/pts' > lxc-start 1264151162.508 DEBUG lxc_conf - umounted > '/lxc-oldrootfs-WIzwQn/sys' > lxc-start 1264151162.508 DEBUG lxc_conf - umounted > '/lxc-oldrootfs-WIzwQn/dev' > lxc-start 1264151162.508 DEBUG lxc_conf - umounted > '/lxc-oldrootfs-WIzwQn/cgroup' > lxc-start 1264151162.508 DEBUG lxc_conf - umounted > '/lxc-oldrootfs-WIzwQn/lxc/guest_1/dev/pts' > lxc-start 1264151162.508 DEBUG lxc_conf - umounted > '/lxc-oldrootfs-WIzwQn/lxc/guest_1/dev/shm' > ... and umounts it. The algo seems bogus. > lxc-start 1264151162.508 DEBUG lxc_conf - umounted > '/lxc-oldrootfs-WIzwQn/lxc/guest_1/usr/portage' > lxc-start 1264151162.508 DEBUG lxc_conf - umounted > '/lxc-oldrootfs-WIzwQn/lxc/guest_1/dev/console' > lxc-start 1264151162.508 DEBUG lxc_conf - umounted > '/lxc-oldrootfs-WIzwQn/lxc/guest_1/dev/tty1' > lxc-start 1264151162.508 DEBUG lxc_conf - umounted > '/lxc-oldrootfs-WIzwQn/lxc/guest_1/dev/tty2' > lxc-start 1264151162.508 DEBUG lxc_conf - umounted > '/lxc-oldrootfs-WIzwQn/lxc/guest_1/dev/tty3' > lxc-start 1264151162.508 DEBUG lxc_conf - umounted > '/lxc-oldrootfs-WIzwQn/lxc/guest_1/dev/tty4' > lxc-start 1264151162.508 DEBUG lxc_conf - umounted > '/lxc-oldrootfs-WIzwQn/proc' > lxc-start 1264151162.508 DEBUG lxc_conf - umounted > '/lxc-oldrootfs-WIzwQn/dev/shm' > lxc-start 1264151162.508 ERROR lxc_conf - Device or resource > busy - could not unmount old rootfs > lxc-start: Device or resource busy - could not unmount old rootfs > lxc-start 1264151162.508 ERROR lxc_conf - failed to > pivot_root to '/lxc/guest_1' > lxc-start: failed to pivot_root to '/lxc/guest_1' > lxc-start 1264151162.508 ERROR lxc_conf - failed to set > rootfs for 'guest_1' > lxc-start: failed to set rootfs for 'guest_1' > lxc-start 1264151162.509 ERROR lxc_start - failed to setup > the container > lxc-start: failed to setup the container > lxc-start 1264151162.509 NOTICE lxc_start - '/sbin/init' > started with pid '8422' > lxc-start 1264151162.509 DEBUG lxc_utils - closing fd '1' > lxc-start 1264151162.509 DEBUG lxc_utils - closing fd '0' > lxc-start 1264151162.509 DEBUG lxc_utils - closed all > inherited file descriptors > lxc-start 1264151162.565 DEBUG lxc_start - child exited > lxc-start 1264151162.565 INFO lxc_error - child <8422> ended > on error (255) > lxc-start 1264151162.565 DEBUG lxc_cgroup - using cgroup > mounted at '/cgroup' > lxc-start 1264151162.645 DEBUG lxc_cgroup - '/cgroup/guest_1' > unlinked > > Ok, finally I reproduced it. Can you remove the mount option in the container configuration file (devpts and shm) ? ------------------------------------------------------------------------------ Throughout its 18-year history, RSA Conference consistently attracts the world's best and brightest in the field, creating opportunities for Conference attendees to learn about information security's most important issues through interactions with peers, luminaries and emerging and established companies. http://p.sf.net/sfu/rsaconf-dev2dev _______________________________________________ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
