[CRIU] crtools error: "can't splice to pipe"

[Cyrill Gorcunov]

On Mon, Apr 28, 2014 at 07:39:40AM -0400, J F wrote:
>    Hello,
>    I get a "Can't splice to pipe" error when doing dump.
>    This error only occurs when I embed a JVM inside my c-code process.
>    This occurs after a fresh reboot.
>    Crtools check looks good.A 
>    Below is a "-v4" dump.
>    I'm looking for any tips or things to try to get "dump" to work.
>    Thanks!
>    //////////
>    ubuntu at ip-10-118-238-44:/mnt/mydata/criu/criu-1.2$ sudo ./crtools check
>    Looks good.
>    ubuntu at ip-10-118-238-44:/mnt/mydata/criu/criu-1.2$ ulimit -Hn
>    60000
>    ubuntu at ip-10-118-238-44:/mnt/mydata/criu/criu-1.2$ ulimit -Sn
>    60000
>    ubuntu at ip-10-118-238-44:/mnt/mydata/criu/criu-1.2$ sudo ./crtools dump
>    --tree 13360 --shell-job --images-dir /mnt/mydata/dump
>    pie: Error (pie/parasite.c:75): Can't splice pages to pipe (1191936/30>
>    pie: 8)
>    pie: Error (pie/parasite.c:474): Close the control socket for writing
>    >
>    Error (parasite-syscall.c:324): Command 8 for daemon failed with -1
>    Error (mem.c:350): Can't dump page with parasite
>    Error (parasite-syscall.c:297): Message reply from daemon is trimmed
>    (12/0)
>    pie: Error (pie/parasite.c:424): Command rejected
>    Error (mem.c:354): Can't rollback unprotected vmas with parasite
>    Error (cr-dump.c:1863): Dumping FAILED.

Thanks for report! Investigating...