[crac] RFR: Correct System.nanotime() value after restore [v6]

[Radim Vansa]

On Thu, 11 May 2023 14:25:49 GMT, Jan Kratochvil <duke at openjdk.org> wrote:

>> Radim Vansa has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Use image under ghcr.io/crac
>
> test/jdk/jdk/crac/java/lang/System/NanoTimeTest.java line 82:
> 
>> 80:                     "-e", "LD_PRELOAD=/opt/path-mapping-quiet.so",
>> 81:                     "-e", "PATH_MAPPING=/proc/sys/kernel/random/boot_id:/fake_boot_id",
>> 82:                     CracBuilder.CONTAINER_NAME, CracBuilder.DOCKER_JAVA);
> 
> On Fedora 36 x86_64 the testcase does not work for me:
> 
> Starting docker container:
> docker run --rm -d --privileged --init --volume /home/azul/azul/crac-git/JTwork/classes/jdk/crac/java/lang/System/NanoTimeTest.d:/cp/0 --volume /home/azul/azul/crac-git/JTwork/classes/test/lib:/cp/1 --volume cr:/cr --volume /home/azul/azul/crac-git/build/linux-x86_64-server-fastdebug/jdk/lib/criu:/criu --env CRAC_CRIU_PATH=/criu --name crac-test -v /tmp/NanoTimeTest-3201524983642970594-boot_id:/fake_boot_id jdk-internal:test-system-nanotime sleep 3600
> Starting process to be checkpointed:
> docker exec -e LD_PRELOAD=/opt/path-mapping-quiet.so -e PATH_MAPPING=/proc/sys/kernel/random/boot_id:/fake_boot_id crac-test /jdk/bin/java -ea -cp /cp/0:/cp/1: -XX:CRaCCheckpointTo=cr jdk.test.lib.crac.CracTest __run_test__ NanoTimeTest 0 true
> /criu: error while loading shared libraries: libbsd.so.0: cannot open shared object file: No such file or directory
> Exception in thread "main" jdk.crac.CheckpointException

Are you using your own build of CRIU? Looks like you have CRIU build with libbsd support. When you remove `libbsd-devel` and rebuild CRIU this should work.

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PR Review Comment: https://git.openjdk.org/crac/pull/53#discussion_r1191307243