On Thu, Jan 11, 2018 at 9:08 PM Yuval Turgeman <yuv...@redhat.com> wrote:
> from ovirt-node-ng:
>
> build-artifacts.sh: seq 0 9 | xargs -I {} mknod /dev/loop{} b 7 {} || :
>
Thanks, will try that.
>
>
> On Thu, Jan 11, 2018 at 8:38 PM, Nir Soffer <nsof...@redhat.com> wrote:
>
>> On Thu, Jan 11, 2018 at 8:31 PM Barak Korren <bkor...@redhat.com> wrote:
>>
>>> I thought I explained this before.
>>>
>>> Writing to losetup from inside mock gets you a device outside mock that
>>> is invisible inside.
>>>
>>
>> How the tests work 99.9% of the time?
>>
>>
>>> The way to solve this is to run mknod a few times to get the needed
>>> device files.
>>>
>>> You can see examples of this in the ovirt-node build scripts.
>>>
>>
>> "git grep mknod" in ovirt-node source does not show anything.
>>
>>
>>>
>>> Barak Korren
>>> bkor...@redhat.com
>>> RHCE, RHCi, RHV-DevOps Team
>>> https://ifireball.wordpress.com/
>>>
>>> בתאריך 11 בינו׳ 2018 04:35 PM, "Nir Soffer" <nsof...@redhat.com> כתב:
>>>
>>> We have random failures of loop device tests on jenkins (see example
>>>> bellow).
>>>>
>>>> Barak commented that losetup -f /path does not work sometimes in the CI
>>>> but I don't recall what it the alternative way to get a loop device.
>>>>
>>>> We need a reliable way to create a loop device for vdsm tests. What
>>>> is the recommended way to do this?
>>>>
>>>> Until we have a reliable solution I'm going to mark this test as broken
>>>> on ovirt CI:
>>>> https://gerrit.ovirt.org/#/c/86241/
>>>>
>>>> Please report if you see other tests fail with this error - typically:
>>>>
>>>> Error: Command ['losetup', '--find', '--show', '/tmp/tmp17Wqri/file']
>>>> failed with rc=1 out='' err='losetup: /tmp/tmp17Wqri/file: failed to set
>>>> up loop device: No such file or directory\n'
>>>>
>>>>
>>>>
>>>> http://jenkins.ovirt.org/job/vdsm_master_check-patch-el7-x86_64/20862/consoleFull
>>>>
>>>> *00:05:48.766*
>>>> ======================================================================*00:05:48.766*
>>>> ERROR: test_attach_detach_manually
>>>> (loopback_test.TestDevice)*00:05:48.767*
>>>> ----------------------------------------------------------------------*00:05:48.767*
>>>> Traceback (most recent call last):*00:05:48.767* File
>>>> "/home/jenkins/workspace/vdsm_master_check-patch-el7-x86_64/vdsm/tests/testValidation.py",
>>>> line 191, in wrapper*00:05:48.768* return f(*args,
>>>> **kwargs)*00:05:48.768* File
>>>> "/home/jenkins/workspace/vdsm_master_check-patch-el7-x86_64/vdsm/tests/loopback_test.py",
>>>> line 56, in test_attach_detach_manually*00:05:48.768*
>>>> device.attach()*00:05:48.768* File
>>>> "/home/jenkins/workspace/vdsm_master_check-patch-el7-x86_64/vdsm/tests/loopback.py",
>>>> line 56, in attach*00:05:48.769* raise cmdutils.Error(cmd, rc, out,
>>>> err)*00:05:48.769* Error: Command ['losetup', '--find', '--show',
>>>> '/tmp/tmp17Wqri/file'] failed with rc=1 out='' err='losetup:
>>>> /tmp/tmp17Wqri/file: failed to set up loop device: No such file or
>>>> directory\n'*00:05:48.770* -------------------- >> begin captured logging
>>>> << --------------------*00:05:48.770* 2018-01-11 13:42:45,676 DEBUG
>>>> (MainThread) [root] /usr/bin/taskset --cpu-list 0-1 losetup --find --show
>>>> /tmp/tmp17Wqri/file (cwd None) (commands:65)*00:05:48.771* 2018-01-11
>>>> 13:42:45,733 DEBUG (MainThread) [root] FAILED: <err> = 'losetup:
>>>> /tmp/tmp17Wqri/file: failed to set up loop device: No such file or
>>>> directory\n'; <rc> = 1 (commands:86)*00:05:48.772* ---------------------
>>>> >> end captured logging << ---------------------
>>>>
>>>>
>>>>
>> _______________________________________________
>> Devel mailing list
>> Devel@ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/devel
>>
>
>
_______________________________________________
Devel mailing list
Devel@ovirt.org
http://lists.ovirt.org/mailman/listinfo/devel
