* Re: [Sysadmins] lxc Ошибка сегментирования
2018-12-10 9:17 [Sysadmins] lxc Ошибка сегментирования Максим Васюк
@ 2018-12-10 10:09 ` Максим Васюк
0 siblings, 0 replies; 2+ messages in thread
From: Максим Васюк @ 2018-12-10 10:09 UTC (permalink / raw)
To: sysadmins
> Привет, Всем!
>
> p8
> # uname -r
> 4.14.80-un-def-alt0.M80P.1
> Проблема воспроизводится также и на std-def
>
> # lxc-start -n test_01
> # lxc-ls -f
> Ошибка сегментирования
>
> # lxc-info -n test_01
> Ошибка сегментирования
>
> # lxc-stop -n test_01
> Ошибка сегментирования
>
Поторопился и не написал, что до запуска контейнера lxc-ls отрабатывает как надо.
> # tail /var/log/messages
> ...
> Dec 10 16:00:50 sh03 kernel: [ 389.271645] lxc-ls[2760]: segfault at 0 ip 00007fee430733a6 sp 00007fff446988c8 error 4 in libc-2.23.so[7fee42ff5000+199000]
> Dec 10 16:06:05 sh03 kernel: [ 704.537843] lxc-info[2773]: segfault at 0 ip 00007ff5562443a6 sp 00007ffde227dc78 error 4 in libc-2.23.so[7ff5561c6000+199000]
> Dec 10 16:06:49 sh03 kernel: [ 748.340195] lxc-stop[2774]: segfault at 0 ip 00007fa052de13a6 sp 00007ffd6c0dcbc8 error 4 in libc-2.23.so[7fa052d63000+199000]
Это поборолось изменением в конфиге:
#lxc.tty = 4
lxc.tty = 1
Ещё забыл выдать
# cat /var/log/lxc/test_01.log
lxc-start 20181210113644.031 ERROR lxc_cgfs - cgroups/cgfs.c:cgfs_init:2288 - cgroupfs failed to detect cgroup metadata
lxc-start 20181210113644.031 ERROR lxc_start - start.c:lxc_spawn:1094 - failed initializing cgroup support
lxc-start 20181210114630.701 ERROR lxc_conf - conf.c:instantiate_veth:2596 - failed to attach 'veth4Q8AQX' to the bridge 'lxcbr0': Operation not permitted
lxc-start 20181210114630.710 ERROR lxc_conf - conf.c:lxc_create_network:2882 - failed to create netdev
lxc-start 20181210114630.710 ERROR lxc_start - start.c:lxc_spawn:1081 - failed to create the network
lxc-start 20181210114630.710 ERROR lxc_start - start.c:__lxc_start:1354 - failed to spawn 'test_01'
lxc-start 20181210114630.710 ERROR lxc_start_ui - tools/lxc_start.c:main:344 - The container failed to start.
lxc-start 20181210114630.710 ERROR lxc_start_ui - tools/lxc_start.c:main:346 - To get more details, run the container in foreground mode.
lxc-start 20181210114630.710 ERROR lxc_start_ui - tools/lxc_start.c:main:348 - Additional information can be obtained by setting the --logfile and --logpriority options.
lxc-start 20181210114736.842 ERROR lxc_cgfs - cgroups/cgfs.c:cgfs_init:2288 - cgroupfs failed to detect cgroup metadata
lxc-start 20181210114736.842 ERROR lxc_start - start.c:lxc_spawn:1094 - failed initializing cgroup support
lxc-start 20181210114936.936 ERROR lxc_cgfs - cgroups/cgfs.c:cgfs_init:2288 - cgroupfs failed to detect cgroup metadata
lxc-start 20181210114936.936 ERROR lxc_start - start.c:lxc_spawn:1094 - failed initializing cgroup support
lxc-start 20181210140655.873 ERROR lxc_cgfs - cgroups/cgfs.c:cgfs_init:2288 - cgroupfs failed to detect cgroup metadata
lxc-start 20181210140655.873 ERROR lxc_start - start.c:lxc_spawn:1094 - failed initializing cgroup support
lxc-start 20181210141824.957 ERROR lxc_cgfs - cgroups/cgfs.c:cgfs_init:2288 - cgroupfs failed to detect cgroup metadata
lxc-start 20181210141824.957 ERROR lxc_start - start.c:lxc_spawn:1094 - failed initializing cgroup support
lxc-start 20181210151147.886 ERROR lxc_monitor - monitor.c:lxc_monitor_read_fdset:244 - Success - client failed to recv (monitord died?) Success
lxc-start 20181210151426.819 ERROR lxc_cgfs - cgroups/cgfs.c:cgfs_init:2288 - cgroupfs failed to detect cgroup metadata
lxc-start 20181210151426.819 ERROR lxc_start - start.c:lxc_spawn:1094 - failed initializing cgroup support
lxc-start 20181210154012.510 ERROR lxc_monitor - monitor.c:lxc_monitor_read_fdset:244 - Success - client failed to recv (monitord died?) Success
lxc-start 20181210155402.764 ERROR lxc_monitor - monitor.c:lxc_monitor_read_fdset:244 - Success - client failed to recv (monitord died?) Success
lxc-start 20181210164255.765 ERROR lxc_monitor - monitor.c:lxc_monitor_read_fdset:244 - Success - client failed to recv (monitord died?) Success
lxc-start 20181210170122.589 ERROR lxc_monitor - monitor.c:lxc_monitor_read_fdset:244 - Success - client failed to recv (monitord died?) Success
# cat /etc/fstab
...
cgroup /sys/fs/cgroup cgroup defaults 0 0
Причём строчку добавлять пришлось руками.
# cat /proc/mounts | grep cgroup
cgroup /sys/fs/cgroup cgroup rw,relatime,cpuset,cpu,cpuacct,blkio,memory,devices,freezer,net_cls,perf_event,net_prio,hugetlb,pids 0 0
# ls -l /sys/fs/cgroup | grep lxc
drwxr-xr-x 3 root root 0 дек 10 17:07 lxc
Каталог создаётся, когда пытаешься запустить контейнер.
Не lxc cgroup.
--
Васю Максим
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