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List:       vdsm-devel
Subject:    [vdsm] vdsm unit test error
From:       danken () redhat ! com (Dan Kenigsberg)
Date:       2012-05-27 20:16:22
Message-ID: 20120527201621.GC15729 () redhat ! com
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On Fri, May 25, 2012 at 05:40:15PM +0800, ShaoHe Feng wrote:
> On 05/25/2012 04:52 PM, Dan Kenigsberg wrote:
> >On Fri, May 25, 2012 at 02:59:31AM +0800, ShaoHe Feng wrote:
> >>On 05/23/2012 03:52 AM, Dan Kenigsberg wrote:
> >>>On Tue, May 22, 2012 at 05:02:01PM +0800, ShaoHe Feng wrote:
> >>>>both mountTests  and parted_utils_tests failed.
> >>>Failed where? On your own host? Is it reproducible? We had a similar,
> >>>but transient, problem in
> >>>http://jenkins.ovirt.org/job/vdsm_unit_tests/143/console
> >>yes it is reproducible.
> >>bu if I shop the sandbox service, and restart, then this problem
> >>does not occur.
> >>if I sandbox service start, then this problem comes up again.
> >Pardon, but I am not familiar with the sandbox service. Could you
> >describe a complete reproducer?
> 
> # chkconfig sandbox off
>  then restart fedora.
> # ./run_tests.sh mountTests
> 
> no matter how times the test rum, then this problem does not comes up.
> 
> 
> 
> # chkconfig sandbox on
>   then restart fedora.
> # ./run_tests.sh mountTests
> # ls /dev/loop*
> there are 7 loop devices.
> and I run the test 8 times, then the problem comes up.
> 
> losetup: could not find any free loop device
> 
> however after I make one loop block file by mknod , I can run test successfully one time.
> 

Since on another thread you suspected that this is a kernel issue, could
you state for the record your kernel version, as well as
policycoreutils-sandbox's ?

Maybe this could give a hint for someone.

Thanks!


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