I have just submitted a set of 4 patches where 1 patch unit tests failed with the pasted text below. Those patches are absolutely unrelated to those failures.

Please check into those issues - Thanks 
13:06:47 ======================================================================
13:06:47 ERROR: testLoopMount (mountTests.MountTests)
13:06:47 ----------------------------------------------------------------------
13:06:47 Traceback (most recent call last):
13:06:47   File "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/tests/mountTests.py", line 128, in testLoopMount
13:06:47     m.mount(mntOpts="loop")
13:06:47   File "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/vdsm/storage/mount.py", line 225, in mount
13:06:47     return self._runcmd(cmd, timeout)
13:06:47   File "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/vdsm/storage/mount.py", line 241, in _runcmd
13:06:47     raise MountError(rc, ";".join((out, err)))
13:06:47 MountError: (32, ';mount: /tmp/tmpl2jG_h: failed to setup loop device: No such file or directory\n')
13:06:47 -------------------- >> begin captured logging << --------------------
13:06:47 Storage.Misc.excCmd: DEBUG: /usr/bin/taskset --cpu-list 0-1 /sbin/mkfs.ext2 -F /tmp/tmpl2jG_h (cwd None)
13:06:47 Storage.Misc.excCmd: DEBUG: SUCCESS: <err> = 'mke2fs 1.42.13 (17-May-2015)\n'; <rc> = 0
13:06:47 Storage.Misc.excCmd: DEBUG: /usr/bin/taskset --cpu-list 0-1 /usr/bin/mount -o loop /tmp/tmpl2jG_h /var/tmp/tmpRslb5M (cwd None)
13:06:47 --------------------- >> end captured logging << ---------------------
13:06:47 
13:06:47 ======================================================================
13:06:47 ERROR: testSymlinkMount (mountTests.MountTests)
13:06:47 ----------------------------------------------------------------------
13:06:47 Traceback (most recent call last):
13:06:47   File "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/tests/mountTests.py", line 150, in testSymlinkMount
13:06:47     m.mount(mntOpts="loop")
13:06:47   File "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/vdsm/storage/mount.py", line 225, in mount
13:06:47     return self._runcmd(cmd, timeout)
13:06:47   File "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/vdsm/storage/mount.py", line 241, in _runcmd
13:06:47     raise MountError(rc, ";".join((out, err)))
13:06:47 MountError: (32, ';mount: /var/tmp/tmpTeUZUl/backing.img: failed to setup loop device: No such file or directory\n')
13:06:47 -------------------- >> begin captured logging << --------------------
13:06:47 Storage.Misc.excCmd: DEBUG: /usr/bin/taskset --cpu-list 0-1 /sbin/mkfs.ext2 -F /var/tmp/tmpTeUZUl/backing.img (cwd None)
13:06:47 Storage.Misc.excCmd: DEBUG: SUCCESS: <err> = 'mke2fs 1.42.13 (17-May-2015)\n'; <rc> = 0
13:06:47 Storage.Misc.excCmd: DEBUG: /usr/bin/taskset --cpu-list 0-1 /usr/bin/mount -o loop /var/tmp/tmpTeUZUl/link_to_image /var/tmp/tmpTeUZUl/mountpoint (cwd None)
13:06:47 --------------------- >> end captured logging << ---------------------
13:06:47 
13:06:47 ======================================================================
13:06:47 ERROR: test_getDevicePartedInfo (parted_utils_tests.PartedUtilsTests)
13:06:47 ----------------------------------------------------------------------
13:06:47 Traceback (most recent call last):
13:06:47   File "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/tests/testValidation.py", line 97, in wrapper
13:06:47     return f(*args, **kwargs)
13:06:47   File "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/tests/parted_utils_tests.py", line 61, in setUp
13:06:47     self.assertEquals(rc, 0)
13:06:47 AssertionError: 1 != 0
13:06:47 -------------------- >> begin captured logging << --------------------
13:06:47 root: DEBUG: /usr/bin/taskset --cpu-list 0-1 dd if=/dev/zero of=/tmp/tmp7dS7VS bs=100M count=1 (cwd None)
13:06:47 root: DEBUG: SUCCESS: <err> = '1+0 records in\n1+0 records out\n104857600 bytes (105 MB) copied, 0.350029 s, 300 MB/s\n'; <rc> = 0
13:06:47 root: DEBUG: /usr/bin/taskset --cpu-list 0-1 losetup -f --show /tmp/tmp7dS7VS (cwd None)
13:06:47 root: DEBUG: FAILED: <err> = 'losetup: /tmp/tmp7dS7VS: failed to set up loop device: No such file or directory\n'; <rc> = 1

http://jenkins.ovirt.org/job/vdsm_master_check-patch-fc23-x86_64/2168/console

12:15:21 
12:15:21 ======================================================================
12:15:21 ERROR: testLoopMount (mountTests.MountTests)
12:15:21 ----------------------------------------------------------------------
12:15:21 Traceback (most recent call last):
12:15:21   File "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/tests/mountTests.py", line 128, in testLoopMount
12:15:21     m.mount(mntOpts="loop")
12:15:21   File "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/vdsm/storage/mount.py", line 225, in mount
12:15:21     return self._runcmd(cmd, timeout)
12:15:21   File "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/vdsm/storage/mount.py", line 241, in _runcmd
12:15:21     raise MountError(rc, ";".join((out, err)))
12:15:21 MountError: (32, ';mount: /tmp/tmpsDTh9u: failed to setup loop device: No such file or directory\n')
12:15:21 -------------------- >> begin captured logging << --------------------
12:15:21 Storage.Misc.excCmd: DEBUG: /usr/bin/taskset --cpu-list 0-1 /sbin/mkfs.ext2 -F /tmp/tmpsDTh9u (cwd None)
12:15:21 Storage.Misc.excCmd: DEBUG: SUCCESS: <err> = 'mke2fs 1.42.13 (17-May-2015)\n'; <rc> = 0
12:15:21 Storage.Misc.excCmd: DEBUG: /usr/bin/taskset --cpu-list 0-1 /usr/bin/mount -o loop /tmp/tmpsDTh9u /var/tmp/tmpTPj7t6 (cwd None)
12:15:21 --------------------- >> end captured logging << ---------------------
12:15:21 
12:15:21 ======================================================================
12:15:21 ERROR: testSymlinkMount (mountTests.MountTests)
12:15:21 ----------------------------------------------------------------------
12:15:21 Traceback (most recent call last):
12:15:21   File "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/tests/mountTests.py", line 150, in testSymlinkMount
12:15:21     m.mount(mntOpts="loop")
12:15:21   File "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/vdsm/storage/mount.py", line 225, in mount
12:15:21     return self._runcmd(cmd, timeout)
12:15:21   File "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/vdsm/storage/mount.py", line 241, in _runcmd
12:15:21     raise MountError(rc, ";".join((out, err)))
12:15:21 MountError: (32, ';mount: /var/tmp/tmpBpSrGA/backing.img: failed to setup loop device: No such file or directory\n')
12:15:21 -------------------- >> begin captured logging << --------------------
12:15:21 Storage.Misc.excCmd: DEBUG: /usr/bin/taskset --cpu-list 0-1 /sbin/mkfs.ext2 -F /var/tmp/tmpBpSrGA/backing.img (cwd None)
12:15:21 Storage.Misc.excCmd: DEBUG: SUCCESS: <err> = 'mke2fs 1.42.13 (17-May-2015)\n'; <rc> = 0
12:15:21 Storage.Misc.excCmd: DEBUG: /usr/bin/taskset --cpu-list 0-1 /usr/bin/mount -o loop /var/tmp/tmpBpSrGA/link_to_image /var/tmp/tmpBpSrGA/mountpoint (cwd None)
12:15:21 --------------------- >> end captured logging << ---------------------
12:15:21 
12:15:21 ======================================================================
12:15:21 ERROR: test_getDevicePartedInfo (parted_utils_tests.PartedUtilsTests)
12:15:21 ----------------------------------------------------------------------
12:15:21 Traceback (most recent call last):
12:15:21   File "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/tests/testValidation.py", line 97, in wrapper
12:15:21     return f(*args, **kwargs)
12:15:21   File "/home/jenkins/workspace/vdsm_master_check-patch-fc23-x86_64/vdsm/tests/parted_utils_tests.py", line 61, in setUp
12:15:21     self.assertEquals(rc, 0)
12:15:21 AssertionError: 1 != 0
12:15:21 -------------------- >> begin captured logging << --------------------
12:15:21 root: DEBUG: /usr/bin/taskset --cpu-list 0-1 dd if=/dev/zero of=/tmp/tmpNOvAvX bs=100M count=1 (cwd None)
12:15:21 root: DEBUG: SUCCESS: <err> = '1+0 records in\n1+0 records out\n104857600 bytes (105 MB) copied, 0.373591 s, 281 MB/s\n'; <rc> = 0
12:15:21 root: DEBUG: /usr/bin/taskset --cpu-list 0-1 losetup -f --show /tmp/tmpNOvAvX (cwd None)
12:15:21 root: DEBUG: FAILED: <err> = 'losetup: /tmp/tmpNOvAvX: failed to set up loop device: No such file or directory\n'; <rc> = 1
12:15:21 --------------------- >> end captured logging << ---------------------
12:15:21