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

[Andrew Vagin]

Hi J F,

I prepared a new version of test.sh. Could you do a few actions:
* extract the attached tarball
 $ mkdir criu-test
 $ cd criu-test
 $ tar -xzf ../criu-test.tar.gz
* complile sources
 $ make
* execute the test application
* execute the test.sh script
  $ bash -x test.sh TEST_APP_PID

After that pls send back three files /mnt/mydata/dump/trace.log, /mnt/mydata/dump/dump.log, /mnt/mydata/dump/smaps.log

Thanks,
Andrew

On Tue, May 20, 2014 at 04:37:14PM +0400, Cyrill Gorcunov wrote:
> On Tue, May 20, 2014 at 04:19:57PM +0400, Cyrill Gorcunov wrote:
> > On Tue, May 20, 2014 at 07:45:59AM -0400, J F wrote:
> > >      > To prove this version we need to look at /proc/PID/smaps. J F, could
> > >      you
> > >      > attach /proc/PID/smaps for the checkpointed process.
> > > 
> > >      I believe to make sure we're getting proper smaps, better to use a patch
> > >      for that. JF. apply the patch attached and run criu, we will see the
> > >      smaps contents.
> > > 
> > >    Cyrill, Running "test.sh" still hangs. So I am attaching the
> > >    /proc/PID/smaps directly.A 
> > 
> > JF, don't drop CC'ed people please. Once you've started test.sh and it
> > hanged you were to "cat /sys/kernel/debug/tracing/trace" and provide
> > us output. Thanks for smaps.log it has shown that there is no special
> > IO zones in memory. Thus please run test.sh again and show us
> > "cat /sys/kernel/debug/tracing/trace".
> 
> Look, Andrew pointed me that this might be confusing so, so Andrew
> is preparing instructions on what you should do to shed more light
> on the problem, thus ignore my request and wait for the letter from
> Andrew.
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