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In commit 07d259f365f2 ("cgroup: support --cgroup-root on dump too")
criu starts to understand --cgroup-root option on dump, but our
cgroup02 test in cgroup02.desc file sets these opt to /newroot
unintentionaly, as on dump we don't have /newroot dump fails:
https://ci.openvz.org/job/CRIU/job/CRIU-x86_64/branch/criu-dev/989
======================== Run zdtm/static/cgroup02 in h
=========================
Start test
Test is SUID
./cgroup02 --pidfile=cgroup02.pid --outfile=cgroup02.out
--dirname=cgroup02.test
Run criu dump
=[log]=> dump/zdtm/static/cgroup02/30/1/dump.log
------------------------ grep Error ------------------------
(00.023103) Error (criu/cgroup.c:620): cg: failed walking
/proc/self/fd/10/newroot for empty cgroups: No such file or directory
(00.023129) Error (criu/cr-dump.c:1359): Dump core (pid: 30) failed with
-1
(00.023944) Error (criu/cr-dump.c:1675): Dumping FAILED.
------------------------ ERROR OVER ------------------------
So fix this by using restore-only ropts instead of opts.
Signed-off-by: Pavel Tikhomirov <ptikhomirov@virtuozzo.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
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| contrib | ||
| coredump | ||
| crit | ||
| criu | ||
| Documentation | ||
| images | ||
| lib | ||
| scripts | ||
| test | ||
| .gitignore | ||
| .mailmap | ||
| .travis.yml | ||
| COPYING | ||
| CREDITS | ||
| INSTALL.md | ||
| Makefile | ||
| Makefile.install | ||
| Makefile.versions | ||
| README.md | ||
CRIU (Checkpoint and Restore in Userspace)
An utility to checkpoint/restore tasks. Using this tool, you can freeze a running application (or part of it) and checkpoint it to a hard drive as a collection of files. You can then use the files to restore and run the application from the point it was frozen at. The distinctive feature of the CRIU project is that it is mainly implemented in user space.
The project home is at http://criu.org.
Pages worth starting with are:
- Kernel configuration, compilation, etc
- A simple example of usage
- More sophisticated example with graphical app
A video tour on basic CRIU features
How to contribute
- How to submit patches;
- Send all bug reports to mailing list;
- Spread the word about CRIU in social networks;
