6:11 p.m.
I'm guessing this will e solved by running it on lago?
Isn't that what yaniv is working on now?
or these are unit tests and not functional?
e.
On Wed, Dec 23, 2015 at 4:48 PM, Dan Kenigsberg <danken(a)redhat.com> wrote:
On Wed, Dec 23, 2015 at 03:21:31AM +0200, Nir Soffer wrote:
> Hi all,
>
> We see too many failures of tests using loop devices. Is it possible
> that we run tests
> concurrently on the same slave, using all the available loop devices, or
maybe
> creating races between different tests?
>
> It seems that we need new decorator for disabling tests on the CI
> slaves, since this
> environment is too fragile.
>
> Here are some failures:
>
> 01:10:33
======================================================================
> 01:10:33 ERROR: testLoopMount (mountTests.MountTests)
> 01:10:33
----------------------------------------------------------------------
> 01:10:33 Traceback (most recent call last):
> 01:10:33 File
>
"/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/tests/mountTests.py",
> line 128, in testLoopMount
> 01:10:33 m.mount(mntOpts="loop")
> 01:10:33 File
>
"/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/vdsm/storage/mount.py",
> line 225, in mount
> 01:10:33 return self._runcmd(cmd, timeout)
> 01:10:33 File
>
"/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/vdsm/storage/mount.py",
> line 241, in _runcmd
> 01:10:33 raise MountError(rc, ";".join((out, err)))
> 01:10:33 MountError: (32, ';mount: /tmp/tmpZuJRNk: failed to setup
> loop device: No such file or directory\n')
> 01:10:33 -------------------- >> begin captured logging <<
--------------------
> 01:10:33 Storage.Misc.excCmd: DEBUG: /usr/bin/taskset --cpu-list 0-1
> /sbin/mkfs.ext2 -F /tmp/tmpZuJRNk (cwd None)
> 01:10:33 Storage.Misc.excCmd: DEBUG: SUCCESS: <err> = 'mke2fs 1.42.13
> (17-May-2015)\n'; <rc> = 0
> 01:10:33 Storage.Misc.excCmd: DEBUG: /usr/bin/taskset --cpu-list 0-1
> /usr/bin/mount -o loop /tmp/tmpZuJRNk /var/tmp/tmpJO52Xj (cwd None)
> 01:10:33 --------------------- >> end captured logging <<
---------------------
> 01:10:33
> 01:10:33
======================================================================
> 01:10:33 ERROR: testSymlinkMount (mountTests.MountTests)
> 01:10:33
----------------------------------------------------------------------
> 01:10:33 Traceback (most recent call last):
> 01:10:33 File
>
"/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/tests/mountTests.py",
> line 150, in testSymlinkMount
> 01:10:33 m.mount(mntOpts="loop")
> 01:10:33 File
>
"/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/vdsm/storage/mount.py",
> line 225, in mount
> 01:10:33 return self._runcmd(cmd, timeout)
> 01:10:33 File
>
"/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/vdsm/storage/mount.py",
> line 241, in _runcmd
> 01:10:33 raise MountError(rc, ";".join((out, err)))
> 01:10:33 MountError: (32, ';mount: /var/tmp/tmp1UQFPz/backing.img:
> failed to setup loop device: No such file or directory\n')
> 01:10:33 -------------------- >> begin captured logging <<
--------------------
> 01:10:33 Storage.Misc.excCmd: DEBUG: /usr/bin/taskset --cpu-list 0-1
> /sbin/mkfs.ext2 -F /var/tmp/tmp1UQFPz/backing.img (cwd None)
> 01:10:33 Storage.Misc.excCmd: DEBUG: SUCCESS: <err> = 'mke2fs 1.42.13
> (17-May-2015)\n'; <rc> = 0
> 01:10:33 Storage.Misc.excCmd: DEBUG: /usr/bin/taskset --cpu-list 0-1
> /usr/bin/mount -o loop /var/tmp/tmp1UQFPz/link_to_image
> /var/tmp/tmp1UQFPz/mountpoint (cwd None)
> 01:10:33 --------------------- >> end captured logging <<
---------------------
> 01:10:33
> 01:10:33
======================================================================
> 01:10:33 ERROR: test_getDevicePartedInfo
(parted_utils_tests.PartedUtilsTests)
> 01:10:33
----------------------------------------------------------------------
> 01:10:33 Traceback (most recent call last):
> 01:10:33 File
>
"/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/tests/testValidation.py",
> line 97, in wrapper
> 01:10:33 return f(*args, **kwargs)
> 01:10:33 File
>
"/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/tests/parted_utils_tests.py",
> line 61, in setUp
> 01:10:33 self.assertEquals(rc, 0)
> 01:10:33 AssertionError: 1 != 0
> 01:10:33 -------------------- >> begin captured logging <<
--------------------
> 01:10:33 root: DEBUG: /usr/bin/taskset --cpu-list 0-1 dd if=/dev/zero
> of=/tmp/tmpasV8TD bs=100M count=1 (cwd None)
> 01:10:33 root: DEBUG: SUCCESS: <err> = '1+0 records in\n1+0 records
> out\n104857600 bytes (105 MB) copied, 0.368498 s, 285 MB/s\n'; <rc> =
> 0
> 01:10:33 root: DEBUG: /usr/bin/taskset --cpu-list 0-1 losetup -f
> --show /tmp/tmpasV8TD (cwd None)
> 01:10:33 root: DEBUG: FAILED: <err> = 'losetup: /tmp/tmpasV8TD: failed
> to set up loop device: No such file or directory\n'; <rc> = 1
> 01:10:33 --------------------- >> end captured logging <<
---------------------
>
I've reluctantly marked another test as broken in
https://gerrit.ovirt.org/50484
due to a similar problem.
Your idea of @brokentest_ci decorator is slightly less bad - at least we
do not ignore errors in this test when run on non-ci platforms.
Regards,
Dan.
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