<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 10pt; color: #000000"><div>Hi everyone, </div><div><br data-mce-bogus="1"></div><div>Can someone explain to me why/how this problem can happen : LXC is running for days, suddenly something happen and LXC is not able to communicate with some process related to cgmanager . Only option is to stop/start the container again </div><div><br data-mce-bogus="1"></div><div>lxc-ls -f </div><div><br data-mce-bogus="1"></div><div>NAME STATE IPV4 IPV6 GROUPS AUTOSTART<br>-------------------------------------------------------------<br></div><div>yunohost RUNNING xxx.xxx.xxx.xxx - - NO<br></div><div><br data-mce-bogus="1"></div><div>lxc-attach -n yunohost<br></div><div><br data-mce-bogus="1"></div><div>lxc-attach: cgmanager.c: lxc_cgmanager_enter: 698 call to cgmanager_move_pid_abs_sync failed: invalid request<br>lxc-attach: cgmanager.c: cgm_attach: 1460 Failed to enter group /user.slice<br>lxc-attach: attach.c: lxc_attach: 909 error communicating with child process<br></div><div><br data-mce-bogus="1"></div><div> lxc-info -n <span style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 13.3333px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px; display: inline !important; float: none; background-color: #ffffff;" data-mce-style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 13.3333px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px; display: inline !important; float: none; background-color: #ffffff;">yunohost</span><br></div><div><br data-mce-bogus="1"></div><div>lxc-info: cgmanager.c: lxc_cgmanager_enter: 698 call to cgmanager_move_pid_abs_sync failed: invalid request<br>lxc-info: cgmanager.c: do_cgm_get: 901 Failed to enter container cgroup freezer:<br>Name: <span style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 13.3333px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px; display: inline !important; float: none; background-color: #ffffff;" data-mce-style="color: #000000; font-family: arial, helvetica, sans-serif; font-size: 13.3333px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 1; word-spacing: 0px; -webkit-text-stroke-width: 0px; display: inline !important; float: none; background-color: #ffffff;">yunohost</span><br>lxc-info: cgmanager.c: lxc_cgmanager_enter: 698 call to cgmanager_move_pid_abs_sync failed: invalid request<br>lxc-info: cgmanager.c: do_cgm_get: 901 Failed to enter container cgroup freezer:<br>State: RUNNING<br>lxc-info: cgmanager.c: lxc_cgmanager_enter: 698 call to cgmanager_move_pid_abs_sync failed: invalid request<br>lxc-info: cgmanager.c: do_cgm_get: 901 Failed to enter container cgroup freezer:<br>PID: 26614<br>IP: xxx.xxx.xxx.xxx<br>lxc-info: cgmanager.c: lxc_cgmanager_enter: 698 call to cgmanager_move_pid_abs_sync failed: invalid request<br>lxc-info: cgmanager.c: do_cgm_get: 901 Failed to enter container cgroup freezer:<br>lxc-info: cgmanager.c: lxc_cgmanager_enter: 698 call to cgmanager_move_pid_abs_sync failed: invalid request<br>lxc-info: cgmanager.c: do_cgm_get: 901 Failed to enter container cgroup cpuacct:<br>lxc-info: cgmanager.c: lxc_cgmanager_enter: 698 call to cgmanager_move_pid_abs_sync failed: invalid request<br>lxc-info: cgmanager.c: do_cgm_get: 901 Failed to enter container cgroup freezer:<br>lxc-info: cgmanager.c: lxc_cgmanager_enter: 698 call to cgmanager_move_pid_abs_sync failed: invalid request<br>lxc-info: cgmanager.c: do_cgm_get: 901 Failed to enter container cgroup blkio:<br>lxc-info: cgmanager.c: lxc_cgmanager_enter: 698 call to cgmanager_move_pid_abs_sync failed: invalid request<br>lxc-info: cgmanager.c: do_cgm_get: 901 Failed to enter container cgroup freezer:<br>lxc-info: cgmanager.c: lxc_cgmanager_enter: 698 call to cgmanager_move_pid_abs_sync failed: invalid request<br>lxc-info: cgmanager.c: do_cgm_get: 901 Failed to enter container cgroup memory:<br>lxc-info: cgmanager.c: lxc_cgmanager_enter: 698 call to cgmanager_move_pid_abs_sync failed: invalid request<br>lxc-info: cgmanager.c: do_cgm_get: 901 Failed to enter container cgroup freezer:<br>lxc-info: cgmanager.c: lxc_cgmanager_enter: 698 call to cgmanager_move_pid_abs_sync failed: invalid request<br>lxc-info: cgmanager.c: do_cgm_get: 901 Failed to enter container cgroup memory:<br>Link: vethJCTHVT<br> TX bytes: 10.89 MiB<br> RX bytes: 390.76 MiB<br> Total bytes: 401.65 MiB<br></div><div><br data-mce-bogus="1"></div><div><br></div><div>benoit@lxd-virt-01a:~$ lxc-stop -n yunohost<br>lxc-stop: cgmanager.c: lxc_cgmanager_enter: 698 call to cgmanager_move_pid_abs_sync failed: invalid request<br>lxc-stop: cgmanager.c: do_cgm_get: 901 Failed to enter container cgroup freezer:<br>lxc-stop: cgmanager.c: lxc_cgmanager_enter: 698 call to cgmanager_move_pid_abs_sync failed: invalid request<br>lxc-stop: cgmanager.c: do_cgm_get: 901 Failed to enter container cgroup freezer:<br>lxc-stop: cgmanager.c: lxc_cgmanager_enter: 698 call to cgmanager_move_pid_abs_sync failed: invalid request<br>lxc-stop: cgmanager.c: do_cgm_get: 901 Failed to enter container cgroup freezer:<br></div><div><br data-mce-bogus="1"></div><div> lxc-ls -f<br>NAME STATE IPV4 IPV6 GROUPS AUTOSTART<br>-------------------------------------------------------------<br></div><div>yunohost STOPPED - - - NO<br></div><div><br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>lxc-start -n yunohost<br></div><div><br data-mce-bogus="1"></div><div>lxc-attach -n yunohost<br>root@yunohost:/# uptime<br> 19:27:35 up 0 min, 0 users, load average: 0,74, 0,69, 0,68<br></div><div><br data-mce-bogus="1"></div><div>I'm missing some parts to understand what means this error. I'm running an unprivileged container </div><div>It happened to me at least 2 to 3 times since I'm using LXC/LXD </div><div><br data-mce-bogus="1"></div><div>I'm not able yet to explain how to reproduce.</div><div>Does "service lxc restart" or "service lxd restart" or "service cgmanager restart" can introduce this ?</div><div><br data-mce-bogus="1"></div><div>I feel like it's only related to systemd and dbus since I cannot have a "normal" debian 8 system working well with dbus, avhi-daemon and stuff like that. </div><div><br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>All LXC containers are running </div><div>Is there any thing I can do but stop and start the container ? <br>What is technically missing from lxc to work ?</div><div><br data-mce-bogus="1"></div><div>Thanks a lot for your help .</div><div><br data-mce-bogus="1"></div><div>Have a nice (long?) weekend </div><div><br></div><div data-marker="__SIG_PRE__"><div><span style="color: rgb(51, 51, 51); font-family: times new roman,new york,times,serif;" data-mce-style="color: #333333; font-family: times new roman,new york,times,serif;">Cordialement,</span><span style="color: rgb(51, 51, 51); font-family: times new roman,new york,times,serif; font-weight: bold;" data-mce-style="color: #333333; font-family: times new roman,new york,times,serif; font-weight: bold;"><span style="color: rgb(51, 51, 51); font-family: times new roman,new york,times,serif; font-weight: bold;" data-mce-style="color: #333333; font-family: times new roman,new york,times,serif; font-weight: bold;"><br></span></span></div><div><br></div><div><span style="color: rgb(51, 51, 51); font-family: times new roman,new york,times,serif; font-weight: bold;" data-mce-style="color: #333333; font-family: times new roman,new york,times,serif; font-weight: bold;">Benoît Georgelin </span></div></div></div></body></html>