Hello All, Further to some checking out the sources ( linux-cr, user-cr and test-cr ), I was able to make some progress after reading the "linux/Documentation/checkpoint". I just wanted to summarize the steps I did for reaching what I see. I have a Ubuntu 10.10 64-bit machine ( however I have installed only a 32-bit ) Ubuntu version. Checking out Source Code: 1. $ mkdir test-linux-cr 2. $ git clone git://www.linux-cr.org/pub/git/linux-cr 3. $ git clone git://www.linux-cr.org/pub/git/user-cr 4. $ git clone git://www.linux-cr.org/pub/git/tests-cr I am behind a firewall so I had to configure my proxy setting since GIT server port "9418" was not open, this is well documented in the community. However for completeness. Setting Proxy: $ apt-get install socat Create a file "gitproxy.sh" and give it execute permission. #!/bin/bash _proxy=<your proxy ip> _proxyport=<your port> exec socat STDIO PROXY:$_proxy:$1:$2,proxyport=$_proxyport Edit ".bashrc" or ".profile" file and add $ export GIT_PROXY_COMMAND=$(HOME)/gitproxy.sh Compiling and Building Linux Kernel: 1. Since I have a Ubuntu 10.10 running, I used the kernel configuration file "config-2.6.35-28-generic" from "/boot" folder $ cp /boot/config-2.6.35-28-generic ~test-linux-cr/linux-cr/.config Ensure the following tokens are enabled in the ".config" file. CONFIG_CHECKPOINT_SUPPORT=y CONFIG_SYSVIPC_CHECKPOINT=y CONFIG_CHECKPOINT=y CONFIG_NETNS_CHECKPOINT=y CONFIG_CHECKPOINT_DEBUG=y CONFIG_CGROUPS=y CONFIG_CGROUP_FREEZER=y CONFIG_NAMESPACES=y CONFIG_CGROUP_NS=y CONFIG_UTS_NS=y CONFIG_IPC_NS=y CONFIG_USER_NS=y CONFIG_PID_NS=y CONFIG_NET_NS=y CONFIG_FREEZER=y $ sudo fakeroot make-kpkg --intrd --append-to-version=-cr kernel_image kernel_headers On a successful build we'll have two ".deb" packages for "kernel" and "headers" and they can be installed with $ sudo dpkg -i linux-image-2.6.37-cr.Custom_i386.deb $ sudo dpkg -i linux-headers-2.6.37-cr.Custom_i386.deb On the Ubuntu 10.10 the GRUB2 is automatically updated when the package is successfully installed. Reboot and you are in "Checkpoint/Reset" capable kernel :-) Building "user-cr" and "tests-cr": $ cd ~/test-linux-cr/user-cr $ cd scripts $ bash ./extract-headers.sh --kernel-src=< path to Linux kernel> $ cd .. $ make all $ cd ~/test-linux-cr/tests-cr $ bash ./rewrite-cr-header.sh --- This will create a "cr.h" header file with appropriate macro defines for "__NR_checkpoint" and "__NR_restart" $ make all $ cd simple $ ./ckpt $ cat /tmp/cr-test.out Invoking checkpoint syscall... PASSED. ret = 1 $ restart < /tmp/out Invoking checkpoint syscall... PASSED. ret = 0 However I was not able to run the test scripts ( runall.sh ) as it gave some errors. Also analyzing the "out" file using "ckptinfo" results in EOF error. Any additional help on this is appreciated. Warm Regards, Raghu _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers
