--Apple-Mail=_5B67002A-DE5B-43FB-ACC9-D4A23FB178C4 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii I'm running an up to date ovirt setup. I tried to put an host in maintenance mode, with one VM running on it. It failed with this message in vdsm.log: Thread-351083::ERROR::2016-06-17 = 11:30:04,732::migration::209::virt.vm::(_recover) = vmId=3D`b82209c9-42ff-457c-bb98-b6a2034833fc`::internal error: process = exited while connecting to monitor: 2016-06-17T09:30:04.429323Z = qemu-kvm: -chardev = socket,id=3Dcharchannel0,path=3D/var/lib/libvirt/qemu/channels/b82209c9-42= ff-457c-bb98-b6a2034833fc.com.redhat.rhevm.vdsm,server,nowait: Failed to = bind socket to = /var/lib/libvirt/qemu/channels/b82209c9-42ff-457c-bb98-b6a2034833fc.com.re= dhat.rhevm.vdsm: Permission denied ... Traceback (most recent call last): File "/usr/share/vdsm/virt/migration.py", line 298, in run self._startUnderlyingMigration(time.time()) File "/usr/share/vdsm/virt/migration.py", line 364, in = _startUnderlyingMigration self._perform_migration(duri, muri) File "/usr/share/vdsm/virt/migration.py", line 403, in = _perform_migration self._vm._dom.migrateToURI3(duri, params, flags) File "/usr/share/vdsm/virt/virdomain.py", line 68, in f ret =3D attr(*args, **kwargs) File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", = line 124, in wrapper ret =3D f(*args, **kwargs) File "/usr/lib/python2.7/site-packages/vdsm/utils.py", line 1313, in = wrapper return func(inst, *args, **kwargs) File "/usr/lib64/python2.7/site-packages/libvirt.py", line 1836, in = migrateToURI3 if ret =3D=3D -1: raise libvirtError ('virDomainMigrateToURI3() = failed', dom=3Dself) libvirtError: internal error: process exited while connecting to = monitor: 2016-06-17T09:30:04.429323Z qemu-kvm: -chardev = socket,id=3Dcharchannel0,path=3D/var/lib/libvirt/qemu/channels/b82209c9-42= ff-457c-bb98-b6a2034833fc.com.redhat.rhevm.vdsm,server,nowait: Failed to = bind socket to = /var/lib/libvirt/qemu/channels/b82209c9-42ff-457c-bb98-b6a2034833fc.com.re= dhat.rhevm.vdsm: Permission denied If i check the file, I see : srwxrwxr-x 1 qemu qemu 0 May 31 16:21 = /var/lib/libvirt/qemu/channels/b82209c9-42ff-457c-bb98-b6a2034833fc.com.re= dhat.rhevm.vdsm And on all my hosts, the permissions are the same: srwxrwxr-x 1 qemu qemu /var/lib/libvirt/qemu/channels/* And vdsm is running vdsm: 4 S vdsm 3816 1 0 60 -20 - 947345 poll_s May25 ? = 02:21:58 /usr/bin/python /usr/share/vdsm/vdsm If I check vdsm groups: ~# id vdsm uid=3D36(vdsm) gid=3D36(kvm) groups=3D36(kvm),179(sanlock),107(qemu) --Apple-Mail=_5B67002A-DE5B-43FB-ACC9-D4A23FB178C4 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii <html><head><meta http-equiv=3D"Content-Type" content=3D"text/html = charset=3Dus-ascii"></head><body style=3D"word-wrap: break-word; = -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" = class=3D"">I'm running an up to date ovirt setup.<div class=3D""><br = class=3D""></div><div class=3D"">I tried to put an host in maintenance = mode, with one VM running on it.</div><div class=3D""><br = class=3D""></div><div class=3D"">It failed with this message in = vdsm.log:</div><div class=3D""><br class=3D""></div><div class=3D""><div = class=3D""><font face=3D"Menlo" style=3D"font-size: 11px;" = class=3D"">Thread-351083::ERROR::2016-06-17 = 11:30:04,732::migration::209::virt.vm::(_recover) = vmId=3D`b82209c9-42ff-457c-bb98-b6a2034833fc`::internal error: process = exited while connecting to monitor: 2016-06-17T09:30:04.429323Z = qemu-kvm: -chardev = socket,id=3Dcharchannel0,path=3D/var/lib/libvirt/qemu/channels/b82209c9-42= ff-457c-bb98-b6a2034833fc.com.redhat.rhevm.vdsm,server,nowait: Failed to = bind socket to = /var/lib/libvirt/qemu/channels/b82209c9-42ff-457c-bb98-b6a2034833fc.com.re= dhat.rhevm.vdsm: Permission denied</font></div></div><div class=3D""><font= face=3D"Menlo" style=3D"font-size: 11px;" class=3D"">...</font></div><div= class=3D""><div class=3D""><font face=3D"Menlo" style=3D"font-size: = 11px;" class=3D"">Traceback (most recent call last):</font></div><div = class=3D""><font face=3D"Menlo" style=3D"font-size: 11px;" = class=3D""> File "/usr/share/vdsm/virt/migration.py", line 298, in = run</font></div><div class=3D""><font face=3D"Menlo" style=3D"font-size: = 11px;" class=3D""> = self._startUnderlyingMigration(time.time())</font></div><div = class=3D""><font face=3D"Menlo" style=3D"font-size: 11px;" = class=3D""> File "/usr/share/vdsm/virt/migration.py", line 364, in = _startUnderlyingMigration</font></div><div class=3D""><font face=3D"Menlo"= style=3D"font-size: 11px;" class=3D""> = self._perform_migration(duri, muri)</font></div><div class=3D""><font = face=3D"Menlo" style=3D"font-size: 11px;" class=3D""> File = "/usr/share/vdsm/virt/migration.py", line 403, in = _perform_migration</font></div><div class=3D""><font face=3D"Menlo" = style=3D"font-size: 11px;" class=3D""> = self._vm._dom.migrateToURI3(duri, params, flags)</font></div><div = class=3D""><font face=3D"Menlo" style=3D"font-size: 11px;" = class=3D""> File "/usr/share/vdsm/virt/virdomain.py", line 68, in = f</font></div><div class=3D""><font face=3D"Menlo" style=3D"font-size: = 11px;" class=3D""> ret =3D attr(*args, = **kwargs)</font></div><div class=3D""><font face=3D"Menlo" = style=3D"font-size: 11px;" class=3D""> File = "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", line 124, = in wrapper</font></div><div class=3D""><font face=3D"Menlo" = style=3D"font-size: 11px;" class=3D""> ret =3D f(*args, = **kwargs)</font></div><div class=3D""><font face=3D"Menlo" = style=3D"font-size: 11px;" class=3D""> File = "/usr/lib/python2.7/site-packages/vdsm/utils.py", line 1313, in = wrapper</font></div><div class=3D""><font face=3D"Menlo" = style=3D"font-size: 11px;" class=3D""> return func(inst, = *args, **kwargs)</font></div><div class=3D""><font face=3D"Menlo" = style=3D"font-size: 11px;" class=3D""> File = "/usr/lib64/python2.7/site-packages/libvirt.py", line 1836, in = migrateToURI3</font></div><div class=3D""><font face=3D"Menlo" = style=3D"font-size: 11px;" class=3D""> if ret =3D=3D -1: = raise libvirtError ('virDomainMigrateToURI3() failed', = dom=3Dself)</font></div><div class=3D""><font face=3D"Menlo" = style=3D"font-size: 11px;" class=3D"">libvirtError: internal error: = process exited while connecting to monitor: 2016-06-17T09:30:04.429323Z = qemu-kvm: -chardev = socket,id=3Dcharchannel0,path=3D/var/lib/libvirt/qemu/channels/b82209c9-42= ff-457c-bb98-b6a2034833fc.com.redhat.rhevm.vdsm,server,nowait: Failed to = bind socket to = /var/lib/libvirt/qemu/channels/b82209c9-42ff-457c-bb98-b6a2034833fc.com.re= dhat.rhevm.vdsm: Permission denied</font></div></div><div class=3D""><br = class=3D""></div><div class=3D"">If i check the file, I see :</div><div = class=3D""><br class=3D""></div><div class=3D""><div style=3D"margin: = 0px;" class=3D""><font face=3D"Menlo" style=3D"font-size: 11px;" = class=3D"">srwxrwxr-x 1 qemu qemu 0 May 31 16:21 = /var/lib/libvirt/qemu/channels/b82209c9-42ff-457c-bb98-b6a2034833fc.com.re= dhat.rhevm.vdsm</font></div></div><div style=3D"margin: 0px;" = class=3D""><br class=3D""></div><div style=3D"margin: 0px;" class=3D"">And= on all my hosts, the permissions are the same:</div><div style=3D"margin:= 0px;" class=3D""><font face=3D"Menlo" style=3D"font-size: 11px;" = class=3D""><font class=3D"">srwxrwxr-x 1 qemu = qemu </font>/var/lib/libvirt/qemu/channels/*</font></div><div = style=3D"margin: 0px;" class=3D""><br class=3D""></div><div = style=3D"margin: 0px;" class=3D"">And vdsm is running = vdsm:</div><div style=3D"margin: 0px;" class=3D""><div style=3D"margin: = 0px;" class=3D""><font face=3D"Menlo" style=3D"font-size: 11px;" = class=3D"">4 S vdsm 3816 1 = 0 60 -20 - 947345 poll_s May25 ? 02:21:58 = /usr/bin/python /usr/share/vdsm/vdsm</font></div><div style=3D"margin: = 0px;" class=3D""><br class=3D""></div><div style=3D"margin: 0px;" = class=3D"">If I check vdsm groups:</div><div style=3D"margin: 0px;" = class=3D""><div style=3D"margin: 0px;" class=3D""><font face=3D"Menlo" = style=3D"font-size: 11px;" class=3D"">~# id vdsm</font></div><div = style=3D"margin: 0px;" class=3D""><font face=3D"Menlo" style=3D"font-size:= 11px;" class=3D"">uid=3D36(vdsm) gid=3D36(kvm) = groups=3D36(kvm),179(sanlock),107(qemu)</font></div><div class=3D""><br = class=3D""></div><div class=3D""><br class=3D""></div></div><div = class=3D""><br class=3D""></div><div class=3D""><br = class=3D""></div></div></body></html>= --Apple-Mail=_5B67002A-DE5B-43FB-ACC9-D4A23FB178C4--