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On 2016/4/20 20:07, long.wanglong wrote:<br>
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<blockquote cite="mid:5717711A.5050502@huawei.com" type="cite">
<pre wrap="">Hi, all
I built criu on arm64, the version is :
ubuntu@ubuntu:~/criu$ git describe
v2.1-115-g55fa530
and test criu with the following steps:
root@ubuntu:/home/ubuntu/criu-test# setsid ./test.sh < /dev/null &> test.log &
[1] 15916
root@ubuntu:/home/ubuntu/criu-test# ps -C test.sh
PID TTY TIME CMD
15917 ? 00:00:00 test.sh
[1]+ Done setsid ./test.sh < /dev/null &> test.log
root@ubuntu:/home/ubuntu/criu-test# criu dump -t 15917 -vvv -o dump.log && echo OK
**it will be blocked at here**
the tail of dump.log is :
(00.007494) 0x7f860b3000-0x7f860b4000 (4K) prot 0x5 flags 0x22 st 0x209 off 0 reg vdso ap shmid: 0
(00.007499) 0x7f860b4000-0x7f860b5000 (4K) prot 0x5 flags 0x2 st 0x41 off 0x1c000 reg fp shmid: 0
(00.007504) 0x7f860b5000-0x7f860b7000 (8K) prot 0x7 flags 0x2 st 0x41 off 0x1d000 reg fp shmid: 0
(00.007508) 0x7fe20f4000-0x7fe2116000 (136K) prot 0x7 flags 0x122 st 0x201 off 0 reg ap shmid: 0
(00.007513) ----------------------------------------
(00.007521)
(00.007524) Collecting fds (pid: 15917)
(00.007528) ----------------------------------------
(00.007557) Found 4 file descriptors
(00.007563) ----------------------------------------
(00.007715) Set up parasite blob using memfd
(00.007723) Putting parasite blob into 0x7f9254f000->0x7f85f34000
(00.007745) Dumping GP/FPU registers for 15917
(00.007757) Putting tsock into pid 15917
The tail output of `strace criu dump -t 15917 -vvv -o dump.log && echo OK`
write(1023, "(00.027384) Set up parasite blob"..., 45) = 45
write(1023, "(00.027428) Putting parasite blo"..., 66) = 66
write(1023, "(00.027496) Dumping GP/FPU regis"..., 47) = 47
ptrace(PTRACE_GETREGSET, 15917, NT_PRSTATUS, [{0x7fda97e680, 272}]) = 0
ptrace(PTRACE_GETREGSET, 15917, NT_FPREGSET, [{0x7fda97e420, 528}]) = 0
write(1023, "(00.027620) Putting tsock into p"..., 41) = 41
bind(6, {sa_family=AF_LOCAL, sun_path=@"/crtools-pr-16912"}, 20) = 0
listen(6, 1) = 0
rt_sigaction(SIGCHLD, {0x46041c, [CHLD], SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
ptrace(0x420b /* PTRACE_??? */, 15917, 0x8, 0x7fda97e4a0) = 0
ptrace(PTRACE_SETREGSET, 15917, NT_PRSTATUS, [{0x7fda97e528, 272}]) = 0
ptrace(PTRACE_CONT, 15917, 0, SIG_0) = 0
accept(6,
It blocked at accept system call.
I would like to ask for ideas, how this problem can be solved.
Best Regards
Wang Long
.
</pre>
</blockquote>
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