[CRIU] Parasite code is not executed

[Vitaliy Kharin]

criu 1.5

2015-03-18 16:21 GMT+03:00 Pavel Emelyanov <xemul at parallels.com>:
> On 03/18/2015 01:04 PM, Vitaliy Kharin wrote:
>> Hi all!
>> I am using
>> Linux 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt7-1 (2015-03-01) x86_64 GNU/Linux
>
> And which version of CRIU do you use?
>
>> sudo ./criu check --ms
>> Warn  (cr-check.c:188): Skipping unssuported PR_SET_MM_MAP
>> Warn  (tun.c:58): Skipping tun support check
>> Warn  (timerfd.c:44): timerfd: Skipping timerfd support check
>> Warn  (cr-check.c:296): Skipping mnt_id support check
>> Warn  (cr-check.c:668): Skipping unsupported AIO remap
>> Looks good.
>>
>> A tried to dump my app:
>> sudo criu dump -t PID -vvv -o dump.log && echo OK
>>
>> Process PID stopped but exists, 'OK' is not printed
>>
>> Tail of dump.log contains:
>> (00.040686) Putting parasite blob into 0x7f4451fd2000->0x7f087a105000
>> (00.040705) Dumping GP/FPU registers for 10935
>> (00.040713) Putting tsock into pid 10935
>>
>> I found out that criu is blocked on an accept call:
>> static int accept_tsock(struct parasite_ctl *ctl)
>> ...
>> sock = accept(ask, NULL, 0);
>>
>> Seems to be parasite code inside of dumpee  did not create connection.
>> Could you assist me to find out the cause?


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Best regards,
Vitaliy Kharin