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. _______________________________________________ Infra mailing list Infra@ovirt.org http://lists.ovirt.org/mailman/listinfo/infra