Public bug reported:
While making a stateful snaphot or doing a live migration CRIU randomly
stops working and produces the following errors:
error: snapshot dump failed
(00.200858) Error (criu/sk-netlink.c:73): The socket has data to read
(00.200875) Error (criu/cr-dump.c:1313): Dump files (pid: 2276) failed with -1
(00.224836) Error (criu/cr-dump.c:1628): Dumping FAILED.
Its seems to work better if I first create a normal snaphot and do a
stateful snapshot or live migration afterwards. So I did manage to do a
live migration and a stateful snaphot on the same system but it appears
to be unstable.
Kernel version:
Ubuntu 16.04 - 4.9.0-040900-generic
CRIU version:
2.6-1ubuntu1~ubuntu16.04.2
Guest OS:
Ubuntu 16.04 image
** Affects: criu (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1656625
Title:
CRIU crash on LXD live migration and snapshots - Error (criu/sk-
netlink.c:73): The socket has data to read
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