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Openvz7 suspend (and snapshot) failing [message #53009] Mon, 16 October 2017 16:31
wishd is currently offline  wishd
Messages: 4
Registered: June 2017
Junior Member
From: *interserver.net
Kernel 3.10.0-514.26.1.vz7.35.5
I have the same server kernel running on another system but with out this problem.

All VMs run fine. I noticed snapshot creation failing.

All VM's give an error on suspend:

prlctl suspend b1c4ba2f-a063-44ef-a3aa-771c8f214310
Suspending the CT...
Failed to suspend the CT: PRL_ERR_VZCTL_OPERATION_FAILED (Details: Will skip in-flight TCP connections
(06.087438) Error (criu/autofs.c:185): Master 992820 doesn't have a read end of the pipe with inode -1386136236 opened
(06.087444) Error (criu/autofs.c:186): Abandoned mount or control was delegated to child?
(06.087517) Error (criu/autofs.c:596): /dev/autofs ioctl failed: No such file or directory
(06.087521) Error (criu/autofs.c:685): Failed to get /proc/sys/fs/binfmt_misc fd (devid: 433)
(06.087530) Error (criu/autofs.c:464): Autofs 1945 is alive, but unreachable.
(06.134300) Error (criu/cr-dump.c:1992): Dumping FAILED.
Failed to checkpoint the Container
All dump files and logs were saved to /vz/private/b1c4ba2f-a063-44ef-a3aa-771c8f214310/dump/Dump.f ail
Checkpointing failed
)

/dev/autofs exists

/proc/sys/fs/binfmt_misc/status is enabled
This appears to be the relevent information from the dump log:
04.325806) Obtaining task auvx ...
(04.325900) Dumping task cwd id 0x184 root id 0x184
(04.325980) mnt: Dumping mountpoints
(04.325984) mnt: 2059: b6c0151:/usr @ ./usr
(04.326007) mnt: 2028: b6c0151:/sbin @ ./sbin
(04.326011) mnt: 2027: b6c0151:/lib64 @ ./lib64
(04.326015) mnt: 1965: b6c0151:/lib @ ./lib
(04.326018) mnt: 1964: b6c0151:/etc @ ./etc
(04.326021) mnt: 1963: b6c0151:/boot @ ./boot
(04.326024) mnt: 1962: b6c0151:/bin @ ./bin
(04.326027) mnt: 1961: 1a7:/systemd/inaccessible/dir @ ./run/user
(04.326030) mnt: Something is mounted on top of ./run
tar: ./saslauthd/mux: socket ignored
tar: ./dbus/system_bus_socket: socket ignored
tar: ./udev/control: socket ignored
tar: ./systemd/journal/syslog: socket ignored
tar: ./systemd/journal/dev-log: socket ignored
tar: ./systemd/journal/socket: socket ignored
tar: ./systemd/journal/stdout: socket ignored
tar: ./systemd/private: socket ignored
tar: ./systemd/cgroups-agent: socket ignored
tar: ./systemd/notify: socket ignored
tar: ./systemd/inaccessible/sock: socket ignored
(06.049462) mnt: 1960: 1a7:/systemd/inaccessible/dir @ ./root
(06.049482) mnt: 1959: 1a7:/systemd/inaccessible/dir @ ./home
(06.049488) mnt: 1958: 1b7:/ @ ./run/shm
(06.059042) mnt: 1957: 1b0:/ @ ./run/lock
(06.068361) mnt: 1954: 1a7:/ @ ./run
(06.068403) mnt: 1953: 19e:/ @ ./dev/mqueue
(06.068447) mnt: 1952: 1af:/ @ ./dev/pts
(06.068453) mnt: 1947: 1ae:/ @ ./dev/shm
(06.077807) mnt: 1946: 1a6:/ @ ./dev
(06.077839) mnt: Something is mounted on top of ./dev
(06.087272) mnt: 1945: 1b1:/ @ ./proc/sys/fs/binfmt_misc
(06.087438) Error (criu/autofs.c:185): Master 992820 doesn't have a read end of the pipe with inode -1386136236 opened
(06.087444) Error (criu/autofs.c:186): Abandoned mount or control was delegated to child?
(06.087489) autofs_mnt_open: open mount /proc/sys/fs/binfmt_misc
(06.087517) Error (criu/autofs.c:596): /dev/autofs ioctl failed: No such file or directory
(06.087521) Error (criu/autofs.c:685): Failed to get /proc/sys/fs/binfmt_misc fd (devid: 433)
(06.087530) Error (criu/autofs.c:464): Autofs 1945 is alive, but unreachable.
(06.087551) ubc: restore limits b1c4ba2f-a063-44ef-a3aa-771c8f214310
(06.087667) ubc: restored b1c4ba2f-a063-44ef-a3aa-771c8f214310
(06.087873) Unlock network
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