I have found the reason, it's the same like http://openvz.org/pipermail/devel/2011-January/026408.html
<http://openvz.org/pipermail/devel/2011-January/026408.html>hope Oren or the other developers can fix it as soon as possible. bad news is, the restart is still failed, is it possible that the version I download can not work indeed, or can anyone tell me where I'm wrong. 2011/2/22 kadyz <[email protected]> > hi all: > I have a very simple script test for c/r,but I'm unable to get a > restart to complete. I get both linux-cr and user-cr code from the git > a few weeks ago, and i think they are the newest. I'm using RHEL5.4, > x86-64. Here are my steps: > > # mkdir -p /cgroup > # mount -t cgroup -o freezer cgroup /cgroup > # mkdir /cgroup/1 > > # cat > foo.sh << EOF > #!/bin/sh > echo $$ > /cgroup/1/tasks > while true; do > echo "this is a test." > sleep 1s > done > EOF > > # nsexec -tgcmpiUP pid foo.sh > about to clone with 38020000 > this is a test. > this is a test. > ... > > /* the following steps go on in another terminal */ > # cat pid > 29750 > # echo FROZEN > /cgroup/1/freezer.state > # cat /cgroup/1/tasks > 29750 > 29772 > # checkpoint 29750 -l clog -o image.out > # kill -9 29750 > # echo THAWED > /cgroup/1/freezer.state > > (It seems ok for now, but when I try restart, the problem comes.) > > # restart -l rlog -i image.out > read pipe: Bad file descriptor > Killed > > (I have tried lots of times, and the rlog is usually empty, but I > also see msg once in it) > # cat rlog > [err -512][pos 0][E @ ckpt_read_obj_type:426]Expecting to read type 1 > > (when I add -d -v, it comes like this) > # restart -d -v -i image.out > <31720>number of tasks: 2 > <31720>number of vpids: 0 > <31720>total tasks (including ghosts): 3 > <31720>pid 99: inherit sid 0 > <31720>pid 99: creator set to 1 > <31720>pid 301: orphan session 1 > <31720>pid 301: creator set to 302 > <31720>====== TASKS > <31720> [0] pid 1 ppid 0 sid 0 creator 0 placeholder 302 > <31720> [1] pid 99 ppid 1 sid 0 creator 1 prev 302 > <31720> [2] pid 301 ppid 1 sid 1 creator 302 G > <31720> [3] pid 302 ppid 1 sid 1 creator 1 next 99 D > <31720>............ > <31720>task[0].vidx = 1 (depth 0, rpid 1) > <31720>task[1].vidx = 2 (depth 0, rpid 99) > <31720>subtree (existing pidns) > <31720>fork child vpid 1 flags 0x1 > <31721>====== PIDS ARRAY > <31721>[0] pid 1 ppid 301 sid 301 pgid 301 > <31721>[1] pid 99 ppid 301 sid 301 pgid 301 > <31720>task 1 forking with flags 11 numpids 1 > <31721>............ > <31720>task 1 pid[0]=0 > read pipe: Bad file descriptor > Killed > > > (I found a similar discussion from > http://openvz.org/pipermail/devel/2010-July/025274.html , but it > didn't work for me. Because the code I use has fixed them all.) > > > Look forward and very appreciate for your helps! > > Thank you! > > Kadyz >
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