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

[Andrew Vagin]

On Tue, May 13, 2014 at 08:21:11AM -0400, J F wrote:
> 
>     Unfortunately the file contains nothing usefull. The idea to kill a
>     target process was bad. Could you apply the attached patch and repeat
>     all actions again? Thank you for the help.
> 
>     > Are you still interested in a sample app that reproduces the issue? I was
>     > thinking maybe trying the "Netbeans" Java IDE.
> 
>     Yes, we are. In this case we will not need to ask you to do smth and the
>     bug will be fixed much faster.
> 
> 
> 1) I was able to reproduce the issue by trying to dump netbeans Java IDE. You
> can download this Java app here:
> 
> http://download.netbeans.org/netbeans/8.0/final/bundles/
> netbeans-8.0-javase-linux.sh
> 
> Install locally. 
> Install OpenJDK 7 JDK
> Try to dump pid.
> I get the same "can't splice pages to pipe" error.

netbeans is a graphical application, isn't it? We don't support X apps
yet:

http://criu.org/Todo

> 
> 
> 2)  The latest patch (v3) doesn't build. I get the following error when doing
> "make". This doesn't happen with the previous patch.
> 
> make[2]: Leaving directory `/mnt/mydata/criu-patch-5-12/criu'
>   LINK     criu
> /usr/bin/ld: cannot open output file criu: Is a directory

ls says that criu is a directory. My patch doesn't create it. Could you
remove the criu directory and try to build it again.

ls -ld criu
rm -rf criu && make

Could you show /proc/PID/maps for the target process?

Thanks.

> collect2: error: ld returned 1 exit status
> make[1]: *** [criu] Error 1
> make[1]: Leaving directory `/mnt/mydata/criu-patch-5-12/criu'
> make: *** [all] Error 2
> 
>