[lxc-users] lxc-ls -f problem

Janjaap Bos janjaapbos at gmail.com
Sat May 23 19:24:11 UTC 2015


Sorry, I replied on the wrong thread...

2015-05-23 21:13 GMT+02:00 Janjaap Bos <janjaapbos at gmail.com>:

> Use wget instead of curl on OSX. That works for me.
>
> wget --no-check-certificate https://myhost:8443/1.0
> --certificate=client.crt --private-key=client.key -O - -q
>
>
> {"type":"sync","status":"Success","status_code":200,"metadata":{"api_compat":1,"auth":"trusted","config":{"trust-password":true},"environment":{"backing_fs":"ext4","driver":"lxc","kernel_version":"3.16.0-37-generic","lxc_version":"1.1.0","lxd_version":"0.9"}}}
>
>
> 2015-05-23 20:46 GMT+02:00 <david.andel at bli.uzh.ch>:
>
>> Hi
>>
>> I have the exact same problem after yesterdays update.
>>
>> And I suspect it is bug
>> https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1413927 or at
>> least closely related.
>>
>> root at andel2:~# cat /proc/self/cgroup
>> 10:devices:/system.slice/ssh.service
>> 9:perf_event:/system.slice/ssh.service
>> 8:cpuset:/system.slice/ssh.service
>> 7:cpu,cpuacct:/system.slice/ssh.service
>> 6:memory:/system.slice/ssh.service
>> 5:freezer:/system.slice/ssh.service
>> 4:net_cls,net_prio:/system.slice/ssh.service
>> 3:hugetlb:/system.slice/ssh.service
>> 2:blkio:/system.slice/ssh.service
>> 1:name=systemd:/system.slice/ssh.service
>>
>> root at andel2:~# service cgmanager status
>> ● cgmanager.service - Cgroup management daemon
>>    Loaded: loaded (/lib/systemd/system/cgmanager.service; disabled;
>> vendor preset: enabled)
>>    Active: active (running) since Sat 2015-05-23 15:48:07 CEST; 30min ago
>>  Main PID: 2994 (cgmanager)
>>    Memory: 296.0K
>>    CGroup: /system.slice/cgmanager.service
>>            ‣ 2994 /sbin/cgmanager -m name=systemd
>>
>> May 23 15:48:15 andel2 cgmanager[2994]: cgmanager: Invalid path
>> /run/cgmanager/fs/hugetlb/system.slice/ssh.service/lxc/s0_nginx
>> May 23 15:48:15 andel2 cgmanager[2994]: cgmanager:per_ctrl_move_pid_main:
>> Invalid path /run/cgmanager/fs/hugetlb/system.slice/ssh.servi...s0_nginx
>> May 23 15:48:15 andel2 cgmanager[2994]: cgmanager: Invalid path
>> /run/cgmanager/fs/memory/system.slice/ssh.service/lxc/s0_nginx
>> May 23 15:48:15 andel2 cgmanager[2994]: cgmanager:per_ctrl_move_pid_main:
>> Invalid path /run/cgmanager/fs/memory/system.slice/ssh.servic...s0_nginx
>> May 23 15:48:15 andel2 cgmanager[2994]: cgmanager: Invalid path
>> /run/cgmanager/fs/net_cls/system.slice/ssh.service/lxc/s0_nginx
>> May 23 15:48:15 andel2 cgmanager[2994]: cgmanager:per_ctrl_move_pid_main:
>> Invalid path /run/cgmanager/fs/net_cls/system.slice/ssh.servi...s0_nginx
>> May 23 15:48:15 andel2 cgmanager[2994]: cgmanager: Invalid path
>> /run/cgmanager/fs/perf_event/system.slice/ssh.service/lxc/s0_nginx
>> May 23 15:48:15 andel2 cgmanager[2994]: cgmanager:per_ctrl_move_pid_main:
>> Invalid path /run/cgmanager/fs/perf_event/system.slice/ssh.se...s0_nginx
>> May 23 15:48:15 andel2 cgmanager[2994]: cgmanager: Invalid path
>> /run/cgmanager/fs/none,name=systemd/system.slice/ssh.service/lxc/s0_nginx
>> May 23 15:48:15 andel2 cgmanager[2994]: cgmanager:per_ctrl_move_pid_main:
>> Invalid path /run/cgmanager/fs/none,name=systemd/system.slice...s0_nginx
>> Hint: Some lines were ellipsized, use -l to show in full.
>>
>> The unprivileged containers could be stopped but trying to stop a running
>> privileged container hangs and blocked the host completely.
>> Even a reboot is not possible, the host answers only to ping requests,
>> ssh returns with "Write failed: Broken pipe".
>> And since the machine is geographically distant (and it's weekend as
>> usual when such stuff happens) I cannot provide the results generated
>> from the commands below.
>>
>> But probably I am going to run into the same error on other machines and
>> will provide the results.
>>
>> David
>>
>>
>> -----"lxc-users" <lxc-users-bounces at lists.linuxcontainers.org> wrote:
>> -----
>> To: LXC users mailing-list <lxc-users at lists.linuxcontainers.org>
>> From: Serge Hallyn
>> Sent by: "lxc-users"
>> Date: 05/22/2015 17:44
>> Subject: Re: [lxc-users] lxc-ls -f problem
>>
>> Quoting Dave Birch (dave.birch at gmail.com):
>> > Dave Birch <dave.birch at ...> writes:
>> >
>> > Further update - just discovered that lxc-start now hangs for all
>> > containers, even newly created ones using only the standard download
>> > template on lxc-create.
>> >
>> > I'm pretty much dead in the water until I can work out how to resolve
>> > this.
>>
>> Can you attach the results of
>>
>> sudo strace -f -ostrace.out -- lxc-ls -f
>> sudo strace -f -ostrace-start.out -- lxc-start -n <container>
>> sudo lxc-start -n <container> -l trace -o debug.out
>>
>> and show your exact steps, if you can remember them or have them in
>> history, when you were originally creating these containers?
>> _______________________________________________
>> lxc-users mailing list
>> lxc-users at lists.linuxcontainers.org
>> http://lists.linuxcontainers.org/listinfo/lxc-users
>>
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>>
>
>
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