4:27 p.m.
--_000_D1895248CBF5soerenmalchowmconnet_
Content-Type: text/plain; charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable
Dear all,
In version 3.5.2 on CentOS 7.1 we now have the problem that the backup scri=
pt seems to trigger a crash of Vms, this is the second time, the first time=
i could only solve the problem by rebooting the hypervisor host and acknow=
leding =93host has been rebooted=94
This problems happens while removing snapshots after snapshot =96> clone ->=
export procedures.
The actual qemu process is still running after following log output, but th=
e VM is not responsive anymore, i can kill the process problem.
Two questions for this:
How can I avoid this problem ?
Is there a way to tell ovirt that the qemu process is gone and that the VM =
can be started again ?
<=97 snip =97 May 25 22:03:47
mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: metad=
ata not found: Requested metadata element is not present
May 25 22:03:47 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: metad=
ata not found: Requested metadata element is not present
May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: inter=
nal error: End of file from monitor
May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net kernel: IDMZ_MC_PUBLI=
C: port 3(vnet3) entered disabled state
May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net kernel: device vnet3 =
left promiscuous mode
May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net kernel: IDMZ_MC_PUBLI=
C: port 3(vnet3) entered disabled state
May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net kvm[22973]: 15 guests=
now active
May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net systemd-machined[1441=
2]: Machine qemu-mc-glpi-app-01-live.mc.mcon.net terminated.
May 25 22:04:11 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: Canno=
t start job (modify, none) for domain mc-glpi-app-01-live.mc.mcon.net; curr=
ent job is (modify, none) own
ed by (1534, 0)
May 25 22:04:11 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: Timed=
out during operation: cannot acquire state change lock
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: Canno=
t start job (modify, none) for domain mc-glpi-app-01-live.mc.mcon.net; curr=
ent job is (modify, none) own
ed by (1534, 0)
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: Timed=
out during operation: cannot acquire state change lock
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: metad=
ata not found: Requested metadata element is not present
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net vdsm[3230]: vdsm vm.V=
m ERROR vmId=3D`598bdf61-2f2c-4569-9513-93043890f676`::Error getting block =
job info
Traceback=
(most recent call last):
File "/=
usr/share/vdsm/virt/vm.py", line 5759, in queryBlockJobs
liveI=
nfo =3D self._dom.blockJobInfo(drive.name, 0)
File "/=
usr/share/vdsm/virt/vm.py", line 697, in f
raise=
toe
TimeoutEr=
ror: Timed out during operation: cannot acquire state change lock
<=97 snip =97
<=97 snip =97 May 25 22:04:18
mc-dc3ham-compute-02-live.mc.mcon.net vdsm[3230]: vdsm vm.V=
m ERROR vmId=3D`598bdf61-2f2c-4569-9513-93043890f676`::Stats function faile=
d: <AdvancedStatsFunction _samp
Traceback=
(most recent call last):
File "/=
usr/share/vdsm/virt/sampling.py", line 484, in collect
stats=
Function()
File "/=
usr/share/vdsm/virt/sampling.py", line 359, in __call__
retVa=
lue =3D self._function(*args, **kwargs)
File "/=
usr/share/vdsm/virt/vm.py", line 346, in _sampleVmJobs
retur=
n self._vm.queryBlockJobs()
File "/=
usr/share/vdsm/virt/vm.py", line 5759, in queryBlockJobs
liveI=
nfo =3D self._dom.blockJobInfo(drive.name, 0)
Attribute=
Error: 'NoneType' object has no attribute 'blockJobInfo'
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: metad=
ata not found: Requested metadata element is not present
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: metad=
ata not found: Requested metadata element is not present
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: metad=
ata not found: Requested metadata element is not present
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net vdsm[3230]: vdsm vm.V=
m ERROR vmId=3D`598bdf61-2f2c-4569-9513-93043890f676`::Stats function faile=
d: <AdvancedStatsFunction _samp
Traceback=
(most recent call last):
File "/=
usr/share/vdsm/virt/sampling.py", line 484, in collect
stats=
Function()
File "/=
usr/share/vdsm/virt/sampling.py", line 359, in __call__
retVa=
lue =3D self._function(*args, **kwargs)
File "/=
usr/share/vdsm/virt/vm.py", line 338, in _sampleVcpuPinning
vCpuI=
nfos =3D self._vm._dom.vcpus()
Attribute=
Error: 'NoneType' object has no attribute 'vcpus'
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net vdsm[3230]: vdsm vm.V=
m ERROR vmId=3D`598bdf61-2f2c-4569-9513-93043890f676`::Stats function faile=
d: <AdvancedStatsFunction _samp
Traceback=
(most recent call last):
File "/=
usr/share/vdsm/virt/sampling.py", line 484, in collect
stats=
Function()
File "/=
usr/share/vdsm/virt/sampling.py", line 359, in __call__
retVa=
lue =3D self._function(*args, **kwargs)
File "/=
usr/share/vdsm/virt/vm.py", line 349, in _sampleCpuTune
infos=
=3D self._vm._dom.schedulerParameters()
Attribute=
Error: 'NoneType' object has no attribute =91schedulerParameters'
<=97 snip =97
--_000_D1895248CBF5soerenmalchowmconnet_
Content-Type: text/html; charset="Windows-1252"
Content-ID: <CF351B4FD1FD454793EFD6973604A49A(a)liquidcampaign.com Content-Transfer-Encoding: quoted-printable
<html <head <meta http-equiv=3D"Content-Type"
content=3D"text/html; charset=3DWindows-1=
252" </head <body style=3D"word-wrap: break-word;
-webkit-nbsp-mode: space; -webkit-lin=
e-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-fami=
ly: Calibri, sans-serif;" <div>Dear all,</div <div><br
</div <div>In version 3.5.2 on
CentOS 7.1 we now have the problem that the backup=
script seems to trigger a crash of Vms, this is the second time, the first=
time i could only solve the problem by rebooting the hypervisor host and a=
cknowleding =93host has been rebooted=94</div
<div><br </div <div>This problems happens while removing snapshots after
snapshot =96> =
clone -> export procedures.</div
<div><br </div <div>The actual qemu process is still running after
following log output, b=
ut the VM is not responsive anymore, i can kill the process problem.</div <div><br
</div <div>Two questions for
this:</div <div><br </div
<div>How can I avoid this problem ?</div
<div>Is there a way to tell ovirt that the qemu process is gone and that th=
e VM can be started again ? </div
<div><br </div <div><=97 snip =97> </div <div <div>May 25 22:03:47
mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: =
metadata not found: Requested metadata element is not present</div <div>May 25 22:03:47
mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: =
metadata not found: Requested metadata element is not present</div <div>May 25 22:03:48
mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: =
internal error: End of file from monitor</div
<div>May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net kernel: IDMZ_MC_=
PUBLIC: port 3(vnet3) entered disabled state</div
<div>May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net kernel: device v=
net3 left promiscuous mode</div <div>May 25 22:03:48
mc-dc3ham-compute-02-live.mc.mcon.net kernel: IDMZ_MC_=
PUBLIC: port 3(vnet3) entered disabled state</div
<div>May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net kvm[22973]: 15 g=
uests now active</div <div>May 25 22:03:48
mc-dc3ham-compute-02-live.mc.mcon.net systemd-machined=
[14412]: Machine qemu-mc-glpi-app-01-live.mc.mcon.net terminated.</div <div>May 25 22:04:11
mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: =
Cannot start job (modify, none) for domain mc-glpi-app-01-live.mc.mcon.net;=
current job is (modify, none) own</div
<div>ed by (1534, 0)</div
<div>May 25 22:04:11 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: =
Timed out during operation: cannot acquire state change lock</div <div>May 25 22:04:18
mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: =
Cannot start job (modify, none) for domain mc-glpi-app-01-live.mc.mcon.net;=
current job is (modify, none) own</div
<div>ed by (1534, 0)</div
<div>May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: =
Timed out during operation: cannot acquire state change lock</div <div>May 25 22:04:18
mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: =
metadata not found: Requested metadata element is not present</div <div>May 25 22:04:18
mc-dc3ham-compute-02-live.mc.mcon.net vdsm[3230]: vdsm=
vm.Vm ERROR vmId=3D`598bdf61-2f2c-4569-9513-93043890f676`::Error getting b=
lock job info</div <div>
=
 =
;
&nb=
sp; Traceback (most recent call last):</div
<div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/vm.py", line 5759,
i=
n queryBlockJobs</div <div>
=
 =
;
&nb=
sp; liveInfo =3D self._dom.blockJobInfo(drive.name, 0)=
</div <div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/vm.py", line 697,
in=
f</div <div>
=
 =
;
&nb=
sp; raise toe</div
<div>
=
 =
;
&nb=
sp; TimeoutError: Timed out during operation: cannot acquire state c=
hange lock</div </div <div><=97 snip =97></div <div><br
</div <div><br </div
<div><=97 snip =97></div
<div <div>May 25 22:04:18
mc-dc3ham-compute-02-live.mc.mcon.net vdsm[3230]: vdsm=
vm.Vm ERROR vmId=3D`598bdf61-2f2c-4569-9513-93043890f676`::Stats function =
failed: <AdvancedStatsFunction _samp</div
<div>
=
 =
;
&nb=
sp; Traceback (most recent call last):</div
<div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/sampling.py", line
4=
84, in collect</div <div>
=
 =
;
&nb=
sp; statsFunction()</div
<div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/sampling.py", line
3=
59, in __call__</div <div>
=
 =
;
&nb=
sp; retValue =3D self._function(*args,
**kwargs)</div <div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/vm.py", line 346,
in=
_sampleVmJobs</div <div>
=
 =
;
&nb=
sp; return self._vm.queryBlockJobs()</div <div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/vm.py", line 5759,
i=
n queryBlockJobs</div <div>
=
 =
;
&nb=
sp; liveInfo =3D self._dom.blockJobInfo(drive.name, 0)=
</div <div>
=
 =
;
&nb=
sp; AttributeError: 'NoneType' object has no attribute
'blockJobInfo=
'</div <div>May 25 22:04:18
mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: =
metadata not found: Requested metadata element is not present</div <div>May 25 22:04:18
mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: =
metadata not found: Requested metadata element is not present</div <div>May 25 22:04:18
mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: =
metadata not found: Requested metadata element is not present</div <div>May 25 22:04:18
mc-dc3ham-compute-02-live.mc.mcon.net vdsm[3230]: vdsm=
vm.Vm ERROR vmId=3D`598bdf61-2f2c-4569-9513-93043890f676`::Stats function =
failed: <AdvancedStatsFunction _samp</div
<div>
=
 =
;
&nb=
sp; Traceback (most recent call last):</div
<div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/sampling.py", line
4=
84, in collect</div <div>
=
 =
;
&nb=
sp; statsFunction()</div
<div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/sampling.py", line
3=
59, in __call__</div <div>
=
 =
;
&nb=
sp; retValue =3D self._function(*args,
**kwargs)</div <div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/vm.py", line 338,
in=
_sampleVcpuPinning</div <div>
=
 =
;
&nb=
sp; vCpuInfos =3D self._vm._dom.vcpus()</div <div>
=
 =
;
&nb=
sp; AttributeError: 'NoneType' object has no attribute
'vcpus'</div <div>May 25 22:04:18
mc-dc3ham-compute-02-live.mc.mcon.net vdsm[3230]: vdsm=
vm.Vm ERROR vmId=3D`598bdf61-2f2c-4569-9513-93043890f676`::Stats function =
failed: <AdvancedStatsFunction _samp</div
<div>
=
 =
;
&nb=
sp; Traceback (most recent call last):</div
<div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/sampling.py", line
4=
84, in collect</div <div>
=
 =
;
&nb=
sp; statsFunction()</div
<div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/sampling.py", line
3=
59, in __call__</div <div>
=
 =
;
&nb=
sp; retValue =3D self._function(*args,
**kwargs)</div <div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/vm.py", line 349,
in=
_sampleCpuTune</div <div>
=
 =
;
&nb=
sp; infos =3D
self._vm._dom.schedulerParameters()</div=
<div>
=
 =
;
&nb=
sp; AttributeError: 'NoneType' object has no attribute =91schedulerP=
arameters'</div </div <div><br
</div <div><=97 snip
=97> </div </body </html
--_000_D1895248CBF5soerenmalchowmconnet_--
noon
--_004_D18BA9F0D3BAsoerenmalchowmconnet_
Content-Type: multipart/alternative;
boundary="_000_D18BA9F0D3BAsoerenmalchowmconnet_"
--_000_D18BA9F0D3BAsoerenmalchowmconnet_
Content-Type: text/plain; charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable
Dear all,
We are experiencing this problem over and over again with different Vms, th=
e situation is as follows
* we are backing up all VM=92s through iterating through the VM (see at=
tached python file) which basically follow the recommendations
* This process run well for a while but at some point we get a problem =
with a random VM (it is always different machines) the backup process tries=
to remove all snapshots and this is in the log files
Vdsm.log
<=97 snip =97 Thread-8246::DEBUG::2015-05-27
16:56:00,003::libvirtconnection::143::root::=
(wrapper) Unknown libvirterror: ecode: 68 edom: 10 level: 2 message: Timed =
out during operation: cannot acquire state change lock
Thread-8246::ERROR::2015-05-27 16:56:00,016::vm::5761::vm.Vm::(queryBlockJo=
bs) vmId=3D`84da8d5e-4a9d-4272-861a-a706ebce3160`::Error getting block job =
info
Traceback (most recent call last):
File "/usr/share/vdsm/virt/vm.py", line 5759, in queryBlockJobs
liveInfo =3D self._dom.blockJobInfo(drive.name, 0)
File "/usr/share/vdsm/virt/vm.py", line 697, in f
raise toe
TimeoutError: Timed out during operation: cannot acquire state change lock
VM Channels Listener::DEBUG::2015-05-27 16:56:00,561::vmchannels::96::vds::=
(_handle_timeouts) Timeout on fileno 55.
<=97 snip =97
Syslog / journarctl
<=97 snip =97 May 27 16:55:15
mc-dc3ham-compute-04-live.mc.mcon.net libvirtd[1751]: Canno=
t start job (modify, none) for domain fab-cms-app-01-live-fab-mcon-net; cur=
rent job is (modify, none) owned by (1780, 0)
May 27 16:55:15 mc-dc3ham-compute-04-live.mc.mcon.net libvirtd[1751]: Timed=
out during operation: cannot acquire state change lock
May 27 16:55:15 mc-dc3ham-compute-04-live.mc.mcon.net vdsm[10478]: vdsm vm.=
Vm ERROR vmId=3D`84da8d5e-4a9d-4272-861a-a706ebce3160`::Error getting block=
job info
Tracebac=
k (most recent call last):
File "=
/usr/share/vdsm/virt/vm.py", line 5759, in queryBlockJobs
live=
Info =3D self._dom.blockJobInfo(drive.name, 0)
File "=
/usr/share/vdsm/virt/vm.py", line 697, in f
rais=
e toe
TimeoutE=
rror: Timed out during operation: cannot acquire state change lock
<=97 snip =97
The result is, that the VM is non-operational, the qemu process is running =
and ovirt show it with a =93?=94, this itself would not be that bad if we c=
ould recover from this problem, but the only thing we found so far to resol=
ve this, is to put the hypervisor host in maintenance and then with the las=
t VM with the =93?=94 reboot it, we found no other way that allowed us to r=
eboot this VM.
Even after actually killing the qemu process, there is no way to do anythin=
g with this VM.
I think i understand that the problem arises when 2 threads are making requ=
ests against the same VM, however, in the last case the VM was not doing an=
ything else as far as we can see.
I found a bug that seems to be very similar (=91a little older though) in l=
aunchpad, but libvirt related.
https://bugs.launchpad.net/nova/+bug/1254872
These are the libvirt versions on the server
libvirt-daemon-driver-nwfilter-1.2.8-16.el7_1.3.x86_64
libvirt-daemon-driver-interface-1.2.8-16.el7_1.3.x86_64
libvirt-daemon-driver-storage-1.2.8-16.el7_1.3.x86_64
libvirt-daemon-1.2.8-16.el7_1.3.x86_64
libvirt-lock-sanlock-1.2.8-16.el7_1.3.x86_64
libvirt-client-1.2.8-16.el7_1.3.x86_64
libvirt-daemon-config-nwfilter-1.2.8-16.el7_1.3.x86_64
libvirt-daemon-driver-secret-1.2.8-16.el7_1.3.x86_64
libvirt-daemon-driver-qemu-1.2.8-16.el7_1.3.x86_64
libvirt-python-1.2.8-7.el7_1.1.x86_64
libvirt-daemon-driver-nodedev-1.2.8-16.el7_1.3.x86_64
libvirt-daemon-driver-network-1.2.8-16.el7_1.3.x86_64
libvirt-daemon-kvm-1.2.8-16.el7_1.3.x86_64
VDSM version
vdsm-python-4.16.14-0.el7.noarch
vdsm-jsonrpc-4.16.14-0.el7.noarch
vdsm-yajsonrpc-4.16.14-0.el7.noarch
vdsm-4.16.14-0.el7.x86_64
vdsm-python-zombiereaper-4.16.14-0.el7.noarch
vdsm-cli-4.16.14-0.el7.noarch
vdsm-xmlrpc-4.16.14-0.el7.noarch
Kernel
3.10.0-229.4.2.el7.x86_64
Any idea where to go ?
Regards
Soeren
From: Soeren Malchow <soeren.malchow@mcon.net<mailto:soeren.malchow@mcon.ne=
t> Date: Monday 25 May 2015 22:27
To: "users@ovirt.org<mailto:users@ovirt.org>"
<users@ovirt.org<mailto:users=
@ovirt.org> Subject: [ovirt-users] VM crashes
during snapshot/clone/export and show onl=
y "?"
Dear all,
In version 3.5.2 on CentOS 7.1 we now have the problem that the backup scri=
pt seems to trigger a crash of Vms, this is the second time, the first time=
i could only solve the problem by rebooting the hypervisor host and acknow=
leding =93host has been rebooted=94
This problems happens while removing snapshots after snapshot =96> clone ->=
export procedures.
The actual qemu process is still running after following log output, but th=
e VM is not responsive anymore, i can kill the process problem.
Two questions for this:
How can I avoid this problem ?
Is there a way to tell ovirt that the qemu process is gone and that the VM =
can be started again ?
<=97 snip =97 May 25 22:03:47
mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: metad=
ata not found: Requested metadata element is not present
May 25 22:03:47 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: metad=
ata not found: Requested metadata element is not present
May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: inter=
nal error: End of file from monitor
May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net kernel: IDMZ_MC_PUBLI=
C: port 3(vnet3) entered disabled state
May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net kernel: device vnet3 =
left promiscuous mode
May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net kernel: IDMZ_MC_PUBLI=
C: port 3(vnet3) entered disabled state
May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net kvm[22973]: 15 guests=
now active
May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net systemd-machined[1441=
2]: Machine qemu-mc-glpi-app-01-live.mc.mcon.net terminated.
May 25 22:04:11 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: Canno=
t start job (modify, none) for domain mc-glpi-app-01-live.mc.mcon.net; curr=
ent job is (modify, none) own
ed by (1534, 0)
May 25 22:04:11 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: Timed=
out during operation: cannot acquire state change lock
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: Canno=
t start job (modify, none) for domain mc-glpi-app-01-live.mc.mcon.net; curr=
ent job is (modify, none) own
ed by (1534, 0)
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: Timed=
out during operation: cannot acquire state change lock
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: metad=
ata not found: Requested metadata element is not present
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net vdsm[3230]: vdsm vm.V=
m ERROR vmId=3D`598bdf61-2f2c-4569-9513-93043890f676`::Error getting block =
job info
Traceback=
(most recent call last):
File "/=
usr/share/vdsm/virt/vm.py", line 5759, in queryBlockJobs
liveI=
nfo =3D self._dom.blockJobInfo(drive.name, 0)
File "/=
usr/share/vdsm/virt/vm.py", line 697, in f
raise=
toe
TimeoutEr=
ror: Timed out during operation: cannot acquire state change lock
<=97 snip =97
<=97 snip =97 May 25 22:04:18
mc-dc3ham-compute-02-live.mc.mcon.net vdsm[3230]: vdsm vm.V=
m ERROR vmId=3D`598bdf61-2f2c-4569-9513-93043890f676`::Stats function faile=
d: <AdvancedStatsFunction _samp
Traceback=
(most recent call last):
File "/=
usr/share/vdsm/virt/sampling.py", line 484, in collect
stats=
Function()
File "/=
usr/share/vdsm/virt/sampling.py", line 359, in __call__
retVa=
lue =3D self._function(*args, **kwargs)
File "/=
usr/share/vdsm/virt/vm.py", line 346, in _sampleVmJobs
retur=
n self._vm.queryBlockJobs()
File "/=
usr/share/vdsm/virt/vm.py", line 5759, in queryBlockJobs
liveI=
nfo =3D self._dom.blockJobInfo(drive.name, 0)
Attribute=
Error: 'NoneType' object has no attribute 'blockJobInfo'
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: metad=
ata not found: Requested metadata element is not present
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: metad=
ata not found: Requested metadata element is not present
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: metad=
ata not found: Requested metadata element is not present
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net vdsm[3230]: vdsm vm.V=
m ERROR vmId=3D`598bdf61-2f2c-4569-9513-93043890f676`::Stats function faile=
d: <AdvancedStatsFunction _samp
Traceback=
(most recent call last):
File "/=
usr/share/vdsm/virt/sampling.py", line 484, in collect
stats=
Function()
File "/=
usr/share/vdsm/virt/sampling.py", line 359, in __call__
retVa=
lue =3D self._function(*args, **kwargs)
File "/=
usr/share/vdsm/virt/vm.py", line 338, in _sampleVcpuPinning
vCpuI=
nfos =3D self._vm._dom.vcpus()
Attribute=
Error: 'NoneType' object has no attribute 'vcpus'
May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net vdsm[3230]: vdsm vm.V=
m ERROR vmId=3D`598bdf61-2f2c-4569-9513-93043890f676`::Stats function faile=
d: <AdvancedStatsFunction _samp
Traceback=
(most recent call last):
File "/=
usr/share/vdsm/virt/sampling.py", line 484, in collect
stats=
Function()
File "/=
usr/share/vdsm/virt/sampling.py", line 359, in __call__
retVa=
lue =3D self._function(*args, **kwargs)
File "/=
usr/share/vdsm/virt/vm.py", line 349, in _sampleCpuTune
infos=
=3D self._vm._dom.schedulerParameters()
Attribute=
Error: 'NoneType' object has no attribute =91schedulerParameters'
<=97 snip =97
--_000_D18BA9F0D3BAsoerenmalchowmconnet_
Content-Type: text/html; charset="Windows-1252"
Content-ID: <D58BD2B9532959489C27FB5BF71F88C7(a)liquidcampaign.com Content-Transfer-Encoding: quoted-printable
<html <head <meta http-equiv=3D"Content-Type"
content=3D"text/html; charset=3DWindows-1=
252" </head <body style=3D"word-wrap: break-word;
-webkit-nbsp-mode: space; -webkit-lin=
e-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-fami=
ly: Calibri, sans-serif;" <div>Dear all,</div <div><br
</div <div>We are experiencing this
problem over and over again with different Vm=
s, the situation is as follows</div
<ul <li>we are backing up all
VM=92s through iterating through the VM (see atta=
ched python file) which basically follow the recommendations</li><li>This p=
rocess run well for a while but at some point we get a problem with a rando=
m VM (it is always different machines) the backup process tries to remove a=
ll snapshots and this is in the log files</li></ul
<div><br </div <div>Vdsm.log</div
<div><=97 snip =97></div
<div
<div>Thread-8246::DEBUG::2015-05-27 16:56:00,003::libvirtconnection::143::r=
oot::(wrapper) Unknown libvirterror: ecode: 68 edom: 10 level: 2 message: T=
imed out during operation: cannot acquire state change lock</div <div>Thread-8246::ERROR::2015-05-27
16:56:00,016::vm::5761::vm.Vm::(queryBl=
ockJobs) vmId=3D`84da8d5e-4a9d-4272-861a-a706ebce3160`::Error getting block=
job info</div <div>Traceback (most recent
call last):</div <div> File
"/usr/share/vdsm/virt/vm.py", line 5759, in quer=
yBlockJobs</div <div>
liveInfo =3D self._dom.blockJobInfo(drive.name, 0)</div
<div> File "/usr/share/vdsm/virt/vm.py", line 697,
in f</di=
v <div> raise toe</div <div>TimeoutError: Timed out during operation: cannot
acquire state change =
lock</div <div>VM Channels
Listener::DEBUG::2015-05-27 16:56:00,561::vmchannels::96::=
vds::(_handle_timeouts) Timeout on fileno 55.</div
</div <div><=97 snip
=97></div <div><br </div
<div>Syslog / journarctl</div
<div><=97 snip =97></div
<div <div>May 27 16:55:15
mc-dc3ham-compute-04-live.mc.mcon.net libvirtd[1751]: =
Cannot start job (modify, none) for domain fab-cms-app-01-live-fab-mcon-net=
; current job is (modify, none) owned by (1780, 0)</div
<div>May 27 16:55:15 mc-dc3ham-compute-04-live.mc.mcon.net libvirtd[1751]: =
Timed out during operation: cannot acquire state change lock</div <div>May 27 16:55:15
mc-dc3ham-compute-04-live.mc.mcon.net vdsm[10478]: vds=
m vm.Vm ERROR vmId=3D`84da8d5e-4a9d-4272-861a-a706ebce3160`::Error getting =
block job info</div <div>
=
 =
;
&nb=
sp; Traceback (most recent call last):</div <div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/vm.py",
line 5=
759, in queryBlockJobs</div <div>
=
 =
;
&nb=
sp; liveInfo =3D
self._dom.blockJobInfo(drive.na=
me, 0)</div <div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/vm.py",
line 6=
97, in f</div <div>
=
 =
;
&nb=
sp; raise toe</div <div>
=
 =
;
&nb=
sp; TimeoutError: Timed out during operation: cannot acquire s=
tate change lock</div </div <div><=97 snip =97> </div <div><br
</div <div>The result is, that the
VM is non-operational, the qemu process is run=
ning and ovirt show it with a =93?=94, this itself would not be that bad if=
we could recover from this problem, but the only thing we found so far to =
resolve this, is to put the hypervisor
host in maintenance and then with the last VM with the =93?=94 reboot it, =
we found no other way that allowed us to reboot this VM.</div <div>Even after actually killing the qemu process, there
is no way to do an=
ything with this VM.</div <div><br </div
<div>I think i understand that the problem arises when 2 threads are making=
requests against the same VM, however, in the last case the VM was not doi=
ng anything else as far as we can see.</div
<div><br </div <div>I found a bug that seems to be very similar (=91a
little older though)=
in launchpad, but libvirt related.</div
<div><br </div <div><a
href=3D"https://bugs.launchpad.net/nova/+bug/1254872"&g...
ugs.launchpad.net/nova/+bug/1254872</a></div
<div><br </div <div>These are the libvirt versions on the
server</div <div><br </div
<div
<div>libvirt-daemon-driver-nwfilter-1.2.8-16.el7_1.3.x86_64</div
<div>libvirt-daemon-driver-interface-1.2.8-16.el7_1.3.x86_64</div
<div>libvirt-daemon-driver-storage-1.2.8-16.el7_1.3.x86_64</div <div>libvirt-daemon-1.2.8-16.el7_1.3.x86_64</div
<div>libvirt-lock-sanlock-1.2.8-16.el7_1.3.x86_64</div <div>libvirt-client-1.2.8-16.el7_1.3.x86_64</div
<div>libvirt-daemon-config-nwfilter-1.2.8-16.el7_1.3.x86_64</div
<div>libvirt-daemon-driver-secret-1.2.8-16.el7_1.3.x86_64</div
<div>libvirt-daemon-driver-qemu-1.2.8-16.el7_1.3.x86_64</div <div>libvirt-python-1.2.8-7.el7_1.1.x86_64</div
<div>libvirt-daemon-driver-nodedev-1.2.8-16.el7_1.3.x86_64</div
<div>libvirt-daemon-driver-network-1.2.8-16.el7_1.3.x86_64</div
<div>libvirt-daemon-kvm-1.2.8-16.el7_1.3.x86_64</div </div
<div><br </div <div>VDSM version</div
<div
<div>vdsm-python-4.16.14-0.el7.noarch</div
<div>vdsm-jsonrpc-4.16.14-0.el7.noarch</div
<div>vdsm-yajsonrpc-4.16.14-0.el7.noarch</div
<div>vdsm-4.16.14-0.el7.x86_64</div
<div>vdsm-python-zombiereaper-4.16.14-0.el7.noarch</div <div>vdsm-cli-4.16.14-0.el7.noarch</div <div>vdsm-xmlrpc-4.16.14-0.el7.noarch</div </div
<div><br </div <div>Kernel</div
<div>3.10.0-229.4.2.el7.x86_64</div
<div><br </div <div><br
</div <div>Any idea where to go
?</div <div><br </div
<div><br </div <div><br
</div <div><br </div
<div><br </div <div>Regards</div
<div>Soeren </div
<div><br </div <div><br
</div <span
id=3D"OLK_SRC_BODY_SECTION" <div
style=3D"font-family:Calibri; font-size:11pt; text-align:left; color:b=
lack; BORDER-BOTTOM: medium none; BORDER-LEFT: medium none; PADDING-BOTTOM:=
0in; PADDING-LEFT: 0in; PADDING-RIGHT: 0in; BORDER-TOP: #b5c4df 1pt solid;=
BORDER-RIGHT: medium none; PADDING-TOP: 3pt" <span
style=3D"font-weight:bold">From: </span>Soeren Malchow <<a
href=3D=
"mailto:soeren.malchow@mcon.net">soeren.malchow@mcon.net</a>><br <span style=3D"font-weight:bold">Date:
</span>Monday 25 May 2015 22:27<br <span
style=3D"font-weight:bold">To: </span>"<a
href=3D"mailto:users@o=
virt.org">users(a)ovirt.org</a>&quot; <<a
href=3D"mailto:users@ovirt.org">=
users(a)ovirt.org</a>&gt;<br <span
style=3D"font-weight:bold">Subject: </span>[ovirt-users] VM crashes d=
uring snapshot/clone/export and show only "?"<br </div
<div><br </div <div <div style=3D"word-wrap:
break-word; -webkit-nbsp-mode: space; -webkit-line=
-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-famil=
y: Calibri, sans-serif;" <div>Dear all,</div <div><br
</div <div>In version 3.5.2 on
CentOS 7.1 we now have the problem that the backup=
script seems to trigger a crash of Vms, this is the second time, the first=
time i could only solve the problem by rebooting the hypervisor host and a=
cknowleding =93host has been rebooted=94</div
<div><br </div <div>This problems happens while removing snapshots after
snapshot =96> =
clone -> export procedures.</div
<div><br </div <div>The actual qemu process is still running after
following log output, b=
ut the VM is not responsive anymore, i can kill the process problem.</div <div><br
</div <div>Two questions for
this:</div <div><br </div
<div>How can I avoid this problem ?</div
<div>Is there a way to tell ovirt that the qemu process is gone and that th=
e VM can be started again ? </div
<div><br </div <div><=97 snip =97> </div <div <div>May 25 22:03:47
mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: =
metadata not found: Requested metadata element is not present</div <div>May 25 22:03:47
mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: =
metadata not found: Requested metadata element is not present</div <div>May 25 22:03:48
mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: =
internal error: End of file from monitor</div
<div>May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net kernel: IDMZ_MC_=
PUBLIC: port 3(vnet3) entered disabled state</div
<div>May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net kernel: device v=
net3 left promiscuous mode</div <div>May 25 22:03:48
mc-dc3ham-compute-02-live.mc.mcon.net kernel: IDMZ_MC_=
PUBLIC: port 3(vnet3) entered disabled state</div
<div>May 25 22:03:48 mc-dc3ham-compute-02-live.mc.mcon.net kvm[22973]: 15 g=
uests now active</div <div>May 25 22:03:48
mc-dc3ham-compute-02-live.mc.mcon.net systemd-machined=
[14412]: Machine qemu-mc-glpi-app-01-live.mc.mcon.net terminated.</div <div>May 25 22:04:11
mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: =
Cannot start job (modify, none) for domain mc-glpi-app-01-live.mc.mcon.net;=
current job is (modify, none) own</div
<div>ed by (1534, 0)</div
<div>May 25 22:04:11 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: =
Timed out during operation: cannot acquire state change lock</div <div>May 25 22:04:18
mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: =
Cannot start job (modify, none) for domain mc-glpi-app-01-live.mc.mcon.net;=
current job is (modify, none) own</div
<div>ed by (1534, 0)</div
<div>May 25 22:04:18 mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: =
Timed out during operation: cannot acquire state change lock</div <div>May 25 22:04:18
mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: =
metadata not found: Requested metadata element is not present</div <div>May 25 22:04:18
mc-dc3ham-compute-02-live.mc.mcon.net vdsm[3230]: vdsm=
vm.Vm ERROR vmId=3D`598bdf61-2f2c-4569-9513-93043890f676`::Error getting b=
lock job info</div <div>
=
 =
;
&nb=
sp; Traceback (most recent call last):</div
<div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/vm.py", line 5759,
i=
n queryBlockJobs</div <div>
=
 =
;
&nb=
sp; liveInfo =3D self._dom.blockJobInfo(drive.name, 0)=
</div <div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/vm.py", line 697,
in=
f</div <div>
=
 =
;
&nb=
sp; raise toe</div
<div>
=
 =
;
&nb=
sp; TimeoutError: Timed out during operation: cannot acquire state c=
hange lock</div </div <div><=97 snip =97></div <div><br
</div <div><br </div
<div><=97 snip =97></div
<div <div>May 25 22:04:18
mc-dc3ham-compute-02-live.mc.mcon.net vdsm[3230]: vdsm=
vm.Vm ERROR vmId=3D`598bdf61-2f2c-4569-9513-93043890f676`::Stats function =
failed: <AdvancedStatsFunction _samp</div
<div>
=
 =
;
&nb=
sp; Traceback (most recent call last):</div
<div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/sampling.py", line
4=
84, in collect</div <div>
=
 =
;
&nb=
sp; statsFunction()</div
<div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/sampling.py", line
3=
59, in __call__</div <div>
=
 =
;
&nb=
sp; retValue =3D self._function(*args,
**kwargs)</div <div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/vm.py", line 346,
in=
_sampleVmJobs</div <div>
=
 =
;
&nb=
sp; return self._vm.queryBlockJobs()</div <div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/vm.py", line 5759,
i=
n queryBlockJobs</div <div>
=
 =
;
&nb=
sp; liveInfo =3D self._dom.blockJobInfo(drive.name, 0)=
</div <div>
=
 =
;
&nb=
sp; AttributeError: 'NoneType' object has no attribute
'blockJobInfo=
'</div <div>May 25 22:04:18
mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: =
metadata not found: Requested metadata element is not present</div <div>May 25 22:04:18
mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: =
metadata not found: Requested metadata element is not present</div <div>May 25 22:04:18
mc-dc3ham-compute-02-live.mc.mcon.net libvirtd[1386]: =
metadata not found: Requested metadata element is not present</div <div>May 25 22:04:18
mc-dc3ham-compute-02-live.mc.mcon.net vdsm[3230]: vdsm=
vm.Vm ERROR vmId=3D`598bdf61-2f2c-4569-9513-93043890f676`::Stats function =
failed: <AdvancedStatsFunction _samp</div
<div>
=
 =
;
&nb=
sp; Traceback (most recent call last):</div
<div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/sampling.py", line
4=
84, in collect</div <div>
=
 =
;
&nb=
sp; statsFunction()</div
<div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/sampling.py", line
3=
59, in __call__</div <div>
=
 =
;
&nb=
sp; retValue =3D self._function(*args,
**kwargs)</div <div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/vm.py", line 338,
in=
_sampleVcpuPinning</div <div>
=
 =
;
&nb=
sp; vCpuInfos =3D self._vm._dom.vcpus()</div <div>
=
 =
;
&nb=
sp; AttributeError: 'NoneType' object has no attribute
'vcpus'</div <div>May 25 22:04:18
mc-dc3ham-compute-02-live.mc.mcon.net vdsm[3230]: vdsm=
vm.Vm ERROR vmId=3D`598bdf61-2f2c-4569-9513-93043890f676`::Stats function =
failed: <AdvancedStatsFunction _samp</div
<div>
=
 =
;
&nb=
sp; Traceback (most recent call last):</div
<div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/sampling.py", line
4=
84, in collect</div <div>
=
 =
;
&nb=
sp; statsFunction()</div
<div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/sampling.py", line
3=
59, in __call__</div <div>
=
 =
;
&nb=
sp; retValue =3D self._function(*args,
**kwargs)</div <div>
=
 =
;
&nb=
sp; File "/usr/share/vdsm/virt/vm.py", line 349,
in=
_sampleCpuTune</div <div>
=
 =
;
&nb=
sp; infos =3D
self._vm._dom.schedulerParameters()</div=
<div>
=
 =
;
&nb=
sp; AttributeError: 'NoneType' object has no attribute =91schedulerP=
arameters'</div </div <div><br
</div <div><=97 snip
=97> </div </div </div
</span </body </html
--_000_D18BA9F0D3BAsoerenmalchowmconnet_--
--_004_D18BA9F0D3BAsoerenmalchowmconnet_
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--_004_D18BA9F0D3BAsoerenmalchowmconnet_--
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Soeren Malchow