[pkg-lxc-devel] Bug#946179: [lxcfs] lxcfs tries to delete systemd cgroup folders, fails stopping lxc
Synthea
genomian at disroot.org
Sat Feb 1 12:02:05 GMT 2020
On Sun, 8 Dec 2019 16:10:15 +0100 Pierre-Elliott <peb at debian.org> <peb at debian.org> wrote:
> Le dimanche 08 décembre 2019 à 02:02:10+0100, Synthea a écrit :
> > Sat, 7 Dec 2019 15:18:06 +0100 Pierre-Elliott Bécue <peb at debian.org>:
> > > Le vendredi 06 décembre 2019 à 23:25:42+0100, Synthea a écrit :
> > > > Il giorno Fri, 6 Dec 2019 12:05:20 +0100
> > > > Pierre-Elliott Bécue <peb at debian.org> ha scritto:
> > > >
> > > > > Control: severity -1 normal
> > > > >
> > > > > Hi,
> > > > >
> > > > > Thanks for reporting this. The main issue with starting the
> > > > > container does not seem to have anything to do with the failing
> > > > > cgroup_rmdir calls even though I admit they shouldn't occur. The
> > > > > main issue lies in """lxc-start 20191204112931.790 ERROR lxc_cgfs
> > > > > - cgroups/cgfs.c:lxc_cgroupfs_create:901 - Could not find writable
> > > > > mount point for cgroup hierarchy 11 while trying to create
> > > > > cgroup."""
> > > > >
> > > > > A fix has been released in 2.0.8 by upstream, and I'll have a
> > > > > look at the possibility to have this version released in stretch.
> > > > >
> > > > > But, this bug is not as grave as you seem to think. I'm therefore
> > > > > lowering the severity of the bug to the appropriate level.
> > > > >
> > > > > With best regards,
> > > > >
> > > >
> > > > Fine, I thought it was a serious issue
> > > > By the way, are you sure it is solved in the version 2.0.8?
> > > > I have tried to:
> > > > -bump lxcfs and libpam-cgfs to backports (which are on version 2.0.8
> > > > currently) and reboot
> > > > -install lxcfs from the people repo here and reboot:
> > > > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=867619
> > > > None solved my issue
> > > >
> > > > Best regards to you too :)
> > >
> > > That's interesting. It supposed to be fixed in 2.0.8. :/
> > >
> > > Do you have a full traceback with the bpo package?
> > >
> > > Cheers!
> > >
> >
> > No, I don't have a full traceback, please tell me how to do one, I'll
> > include it in the original bugreport
> > Sorry for not continuing the chat on the mailing list but it seems I've
> > forgot to use the reply-to header
>
> Start your container with lxc-start -n containername --logfile containername.log --logpriority TRACE
>
> --
> Pierre-Elliott Bécue
> GPG: 9AE0 4D98 6400 E3B6 7528 F493 0D44 2664 1949 74E2
> It's far easier to fight for one's principles than to live up to them.
This is the logfile:
lxc-start 20191208225747.947 INFO lxc_start_ui - tools/lxc_start.c:main:275 - using rcfile [Containers folder (usually /var/lib/lxc)]/debian-test/config
lxc-start 20191208225748.571 WARN lxc_confile - confile.c:config_pivotdir:1910 - lxc.pivotdir is ignored. It will soon become an error.
lxc-start 20191208225748.864 DEBUG lxc_monitor - monitor.c:lxc_monitord_spawn:309 - Going to wait for pid 5235.
lxc-start 20191208225748.872 DEBUG lxc_monitor - monitor.c:lxc_monitord_spawn:328 - Trying to sync with child process.
lxc-start 20191208225748.877 INFO lxc_start - start.c:lxc_check_inherited:235 - Closed inherited fd: 4.
lxc-start 20191208225748.879 DEBUG lxc_monitor - monitor.c:lxc_monitord_spawn:366 - Using pipe file descriptor 5 for monitord.
lxc-start 20191208225748.164 DEBUG lxc_monitor - monitor.c:lxc_monitord_spawn:343 - Sucessfully synced with child process.
lxc-start 20191208225748.165 DEBUG lxc_monitor - monitor.c:lxc_monitord_spawn:312 - Finished waiting on pid 5235.
lxc-start 20191208225748.166 INFO lxc_container - lxccontainer.c:do_lxcapi_start:804 - Attempting to set proc title to [lxc monitor] [Containers folder (usually /var/lib/lxc)] debian-test
lxc-start 20191208225748.169 DEBUG lxc_monitor - monitor.c:lxc_monitord_spawn:309 - Going to wait for pid 5239.
lxc-start 20191208225748.170 DEBUG lxc_monitor - monitor.c:lxc_monitord_spawn:328 - Trying to sync with child process.
lxc-start 20191208225748.171 INFO lxc_lsm - lsm/lsm.c:lsm_init:48 - LSM security driver nop
lxc-start 20191208225748.172 INFO lxc_seccomp - seccomp.c:parse_config_v2:402 - processing: .reject_force_umount # comment this to allow umount -f; not recommended.
lxc-start 20191208225748.172 INFO lxc_seccomp - seccomp.c:parse_config_v2:567 - Adding native rule for reject_force_umount action 0.
lxc-start 20191208225748.172 INFO lxc_seccomp - seccomp.c:do_resolve_add_rule:251 - Setting Seccomp rule to reject force umounts.
lxc-start 20191208225748.172 INFO lxc_seccomp - seccomp.c:parse_config_v2:570 - Adding compat rule for reject_force_umount action 0.
lxc-start 20191208225748.172 INFO lxc_seccomp - seccomp.c:do_resolve_add_rule:251 - Setting Seccomp rule to reject force umounts.
lxc-start 20191208225748.172 INFO lxc_seccomp - seccomp.c:parse_config_v2:402 - processing: .[all].
lxc-start 20191208225748.172 INFO lxc_seccomp - seccomp.c:parse_config_v2:402 - processing: .kexec_load errno 1.
lxc-start 20191208225748.172 INFO lxc_seccomp - seccomp.c:parse_config_v2:567 - Adding native rule for kexec_load action 327681.
lxc-start 20191208225748.172 INFO lxc_seccomp - seccomp.c:parse_config_v2:570 - Adding compat rule for kexec_load action 327681.
lxc-start 20191208225748.172 INFO lxc_seccomp - seccomp.c:parse_config_v2:402 - processing: .open_by_handle_at errno 1.
lxc-start 20191208225748.172 INFO lxc_seccomp - seccomp.c:parse_config_v2:567 - Adding native rule for open_by_handle_at action 327681.
lxc-start 20191208225748.172 INFO lxc_seccomp - seccomp.c:parse_config_v2:570 - Adding compat rule for open_by_handle_at action 327681.
lxc-start 20191208225748.172 INFO lxc_seccomp - seccomp.c:parse_config_v2:402 - processing: .init_module errno 1.
lxc-start 20191208225748.172 INFO lxc_seccomp - seccomp.c:parse_config_v2:567 - Adding native rule for init_module action 327681.
lxc-start 20191208225748.172 INFO lxc_seccomp - seccomp.c:parse_config_v2:570 - Adding compat rule for init_module action 327681.
lxc-start 20191208225748.172 INFO lxc_seccomp - seccomp.c:parse_config_v2:402 - processing: .finit_module errno 1.
lxc-start 20191208225748.172 INFO lxc_seccomp - seccomp.c:parse_config_v2:567 - Adding native rule for finit_module action 327681.
lxc-start 20191208225748.172 INFO lxc_seccomp - seccomp.c:parse_config_v2:570 - Adding compat rule for finit_module action 327681.
lxc-start 20191208225748.172 INFO lxc_seccomp - seccomp.c:parse_config_v2:402 - processing: .delete_module errno 1.
lxc-start 20191208225748.172 INFO lxc_seccomp - seccomp.c:parse_config_v2:567 - Adding native rule for delete_module action 327681.
lxc-start 20191208225748.172 INFO lxc_seccomp - seccomp.c:parse_config_v2:570 - Adding compat rule for delete_module action 327681.
lxc-start 20191208225748.172 INFO lxc_seccomp - seccomp.c:parse_config_v2:580 - Merging in the compat Seccomp ctx into the main one.
lxc-start 20191208225748.173 DEBUG lxc_start - start.c:setup_signal_fd:273 - Set SIGCHLD handler with file descriptor: 5.
lxc-start 20191208225748.176 INFO lxc_start - start.c:lxc_check_inherited:235 - Closed inherited fd: 4.
lxc-start 20191208225748.177 DEBUG lxc_monitor - monitor.c:lxc_monitord_spawn:366 - Using pipe file descriptor 5 for monitord.
lxc-start 20191208225748.179 DEBUG console - console.c:lxc_console_peer_default:468 - no console peer
lxc-start 20191208225748.179 INFO lxc_start - start.c:lxc_init:475 - Container "debian-test" is initialized.
lxc-start 20191208225748.181 DEBUG lxc_start - start.c:__lxc_start:1317 - Not dropping CAP_SYS_BOOT or watching utmp.
lxc-start 20191208225748.187 INFO lxc_conf - conf.c:instantiate_veth:2647 - Retrieved mtu 1500 from lxcbr0
lxc-start 20191208225748.189 INFO lxc_conf - conf.c:instantiate_veth:2672 - Attached 'veth91VC6G': to the bridge 'lxcbr0':
lxc-start 20191208225748.189 DEBUG lxc_conf - conf.c:instantiate_veth:2689 - instantiated veth 'veth91VC6G/veth3M6H5S', index is '17'
lxc-start 20191208225748.189 INFO lxc_cgroup - cgroups/cgroup.c:cgroup_init:68 - cgroup driver cgroupfs initing for debian-test
lxc-start 20191208225748.191 ERROR lxc_cgfs - cgroups/cgfs.c:lxc_cgroupfs_create:901 - Could not find writable mount point for cgroup hierarchy 11 while trying to create cgroup.
lxc-start 20191208225748.192 ERROR lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd//user/root/0
lxc-start 20191208225748.192 ERROR lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd//user/root
lxc-start 20191208225748.193 ERROR lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd//user
lxc-start 20191208225748.194 ERROR lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd//user.slice/user-135.slice/session-2.scope
lxc-start 20191208225748.194 ERROR lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd//user.slice/user-135.slice
lxc-start 20191208225748.194 ERROR lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd//user.slice/user-0.slice/session-c1.scope
lxc-start 20191208225748.195 ERROR lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd//user.slice/user-0.slice
lxc-start 20191208225748.195 ERROR lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd//user.slice/user-1000.slice/session-191.scope
lxc-start 20191208225748.195 ERROR lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd//user.slice/user-1000.slice/session-3.scope
lxc-start 20191208225748.195 ERROR lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd//user.slice/user-1000.slice
lxc-start 20191208225748.195 ERROR lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd//user.slice
lxc-start 20191208225748.196 ERROR lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd/
lxc-start 20191208225748.196 ERROR lxc_start - start.c:lxc_spawn:1108 - Failed creating cgroups.
lxc-start 20191208225748.218 DEBUG lxc_monitor - monitor.c:lxc_monitord_spawn:343 - Sucessfully synced with child process.
lxc-start 20191208225748.219 DEBUG lxc_monitor - monitor.c:lxc_monitord_spawn:312 - Finished waiting on pid 5239.
lxc-start 20191208225748.219 INFO lxc_monitor - monitor.c:lxc_monitor_sock_name:185 - Using monitor socket name "lxc/0c79b594b8cc6bb4/[Containers folder (usually /var/lib/lxc)]".
lxc-start 20191208225748.236 INFO lxc_conf - conf.c:lxc_delete_network:3015 - Removed interface "(null)" with index 17.
lxc-start 20191208225748.600 WARN lxc_conf - conf.c:lxc_delete_network:3038 - Failed to remove "veth91VC6G" from host: Invalid argument.
lxc-start 20191208225748.600 ERROR lxc_start - start.c:__lxc_start:1346 - Failed to spawn container "debian-test".
lxc-start 20191208225748.601 INFO lxc_conf - conf.c:run_script_argv:424 - Executing script "/usr/share/lxcfs/lxc.reboot.hook" for container "debian-test", config section "lxc".
lxc-start 20191208225749.208 WARN lxc_commands - commands.c:lxc_cmd_rsp_recv:172 - Command get_cgroup failed to receive response: Connection reset by peer.
lxc-start 20191208225754.214 ERROR lxc_start_ui - tools/lxc_start.c:main:366 - The container failed to start.
lxc-start 20191208225754.214 ERROR lxc_start_ui - tools/lxc_start.c:main:368 - To get more details, run the container in foreground mode.
lxc-start 20191208225754.214 ERROR lxc_start_ui - tools/lxc_start.c:main:370 - Additional information can be obtained by setting the --logfile and --logpriority options.
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