11:33 a.m.
Hey Dominik,
Thanks for helping. I really want to try to use ovirt.
When these events happen, I cannot even SSH to the nodes due to the
link being down. After a little while, the hosts come back...
On Fri, Aug 23, 2019 at 11:30 AM Dominik Holler <dholler(a)redhat.com> wrote:
>
> Is you storage connected via NFS?
> Can you manually access the storage on the host?
>
>
> On Fri, Aug 23, 2019 at 5:19 PM Curtis E. Combs Jr. <ej.albany(a)gmail.com>
wrote:
>>
>> Sorry to dead bump this, but I'm beginning to suspect that maybe it's
>> not STP that's the problem.
>>
>> 2 of my hosts just went down when a few VMs tried to migrate.
>>
>> Do any of you have any idea what might be going on here? I don't even
>> know where to start. I'm going to include the dmesg in case it helps.
>> This happens on both of the hosts whenever any migration attempts to start.
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> [68099.245833] bnx2 0000:01:00.0 em1: NIC Copper Link is Down
>> [68099.246055] internal: port 1(em1) entered disabled state
>> [68184.177343] ixgbe 0000:03:00.0 p1p1: NIC Link is Down
>> [68184.177789] ovirtmgmt: port 1(p1p1) entered disabled state
>> [68184.177856] ovirtmgmt: topology change detected, propagating
>> [68277.078671] INFO: task qemu-kvm:8888 blocked for more than 120 seconds.
>> [68277.078700] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>> disables this message.
>> [68277.078723] qemu-kvm D ffff9db40c359040 0 8888 1 0x000001a0
>> [68277.078727] Call Trace:
>> [68277.078738] [<ffffffff978fd2ac>] ? avc_has_perm_flags+0xdc/0x1c0
>> [68277.078743] [<ffffffff97d69f19>] schedule+0x29/0x70
>> [68277.078746] [<ffffffff9785f3d9>] inode_dio_wait+0xd9/0x100
>> [68277.078751] [<ffffffff976c4010>] ? wake_bit_function+0x40/0x40
>> [68277.078765] [<ffffffffc09d6dd6>] nfs_getattr+0x1b6/0x250 [nfs]
>> [68277.078768] [<ffffffff97848109>] vfs_getattr+0x49/0x80
>> [68277.078769] [<ffffffff97848185>] vfs_fstat+0x45/0x80
>> [68277.078771] [<ffffffff978486f4>] SYSC_newfstat+0x24/0x60
>> [68277.078774] [<ffffffff97d76d21>] ? system_call_after_swapgs+0xae/0x146
>> [68277.078778] [<ffffffff97739f34>] ? __audit_syscall_entry+0xb4/0x110
>> [68277.078782] [<ffffffff9763aaeb>] ? syscall_trace_enter+0x16b/0x220
>> [68277.078784] [<ffffffff97848ace>] SyS_newfstat+0xe/0x10
>> [68277.078786] [<ffffffff97d7706b>] tracesys+0xa3/0xc9
>> [68397.072384] INFO: task qemu-kvm:8888 blocked for more than 120 seconds.
>> [68397.072413] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
>> disables this message.
>> [68397.072436] qemu-kvm D ffff9db40c359040 0 8888 1 0x000001a0
>> [68397.072439] Call Trace:
>> [68397.072453] [<ffffffff978fd2ac>] ? avc_has_perm_flags+0xdc/0x1c0
>> [68397.072458] [<ffffffff97d69f19>] schedule+0x29/0x70
>> [68397.072462] [<ffffffff9785f3d9>] inode_dio_wait+0xd9/0x100
>> [68397.072467] [<ffffffff976c4010>] ? wake_bit_function+0x40/0x40
>> [68397.072480] [<ffffffffc09d6dd6>] nfs_getattr+0x1b6/0x250 [nfs]
>> [68397.072485] [<ffffffff97848109>] vfs_getattr+0x49/0x80
>> [68397.072486] [<ffffffff97848185>] vfs_fstat+0x45/0x80
>> [68397.072488] [<ffffffff978486f4>] SYSC_newfstat+0x24/0x60
>> [68397.072491] [<ffffffff97d76d21>] ? system_call_after_swapgs+0xae/0x146
>> [68397.072495] [<ffffffff97739f34>] ? __audit_syscall_entry+0xb4/0x110
>> [68397.072498] [<ffffffff9763aaeb>] ? syscall_trace_enter+0x16b/0x220
>> [68397.072500] [<ffffffff97848ace>] SyS_newfstat+0xe/0x10
>> [68397.072502] [<ffffffff97d7706b>] tracesys+0xa3/0xc9
>> [68401.573141] bnx2 0000:01:00.0 em1: NIC Copper Link is Up, 1000 Mbps
>> full duplex
>>
>> [68401.573247] internal: port 1(em1) entered blocking state
>> [68401.573255] internal: port 1(em1) entered listening state
>> [68403.576985] internal: port 1(em1) entered learning state
>> [68405.580907] internal: port 1(em1) entered forwarding state
>> [68405.580916] internal: topology change detected, propagating
>> [68469.565589] nfs: server swm-01.hpc.moffitt.org not responding, timed out
>> [68469.565840] nfs: server swm-01.hpc.moffitt.org not responding, timed out
>> [68487.193932] ixgbe 0000:03:00.0 p1p1: NIC Link is Up 10 Gbps, Flow
>> Control: RX/TX
>> [68487.194105] ovirtmgmt: port 1(p1p1) entered blocking state
>> [68487.194114] ovirtmgmt: port 1(p1p1) entered listening state
>> [68489.196508] ovirtmgmt: port 1(p1p1) entered learning state
>> [68491.200400] ovirtmgmt: port 1(p1p1) entered forwarding state
>> [68491.200405] ovirtmgmt: topology change detected, sending tcn bpdu
>> [68493.672423] NFS: nfs4_reclaim_open_state: Lock reclaim failed!
>> [68494.777996] NFSD: client 10.15.28.22 testing state ID with
>> incorrect client ID
>> [68494.778580] NFSD: client 10.15.28.22 testing state ID with
>> incorrect client ID
>>
>>
>> On Thu, Aug 22, 2019 at 2:53 PM Curtis E. Combs Jr. <ej.albany(a)gmail.com>
wrote:
>> >
>> > Thanks, I'm just going to revert back to bridges.
>> >
>> > On Thu, Aug 22, 2019 at 11:50 AM Dominik Holler <dholler(a)redhat.com>
wrote:
>> > >
>> > >
>> > >
>> > > On Thu, Aug 22, 2019 at 3:06 PM Curtis E. Combs Jr.
<ej.albany(a)gmail.com> wrote:
>> > >>
>> > >> Seems like the STP options are so common and necessary that it
would
>> > >> be a priority over seldom-used bridge_opts. I know what STP is and
I'm
>> > >> not even a networking guy - never even heard of half of the
>> > >> bridge_opts that have switches in the UI.
>> > >>
>> > >> Anyway. I wanted to try the openvswitches, so I reinstalled all of
my
>> > >> nodes and used "openvswitch (Technology Preview)" as the
engine-setup
>> > >> option for the first host. I made a new Cluster for my nodes,
added
>> > >> them all to the new cluster, created a new "logical
network" for the
>> > >> internal network and attached it to the internal network ports.
>> > >>
>> > >> Now, when I go to create a new VM, I don't even have either
the
>> > >> ovirtmgmt switch OR the internal switch as an option. The drop-down
is
>> > >> empy as if I don't have any vnic-profiles.
>> > >>
>> > >
>> > > openvswitch clusters are limited to ovn networks.
>> > > You can create one like described in
>> > >
https://www.ovirt.org/documentation/admin-guide/chap-External_Providers.h...
>> > >
>> > >
>> > >>
>> > >> On Thu, Aug 22, 2019 at 7:34 AM Tony Pearce
<tonyppe(a)gmail.com> wrote:
>> > >> >
>> > >> > Hi Dominik, would you mind sharing the use case for stp via
API Only? I am keen to know this.
>> > >> > Thanks
>> > >> >
>> > >> >
>> > >> > On Thu., 22 Aug. 2019, 19:24 Dominik Holler,
<dholler(a)redhat.com> wrote:
>> > >> >>
>> > >> >>
>> > >> >>
>> > >> >> On Thu, Aug 22, 2019 at 1:08 PM Miguel Duarte de Mora
Barroso <mdbarroso(a)redhat.com> wrote:
>> > >> >>>
>> > >> >>> On Sat, Aug 17, 2019 at 11:27 AM
<ej.albany(a)gmail.com> wrote:
>> > >> >>> >
>> > >> >>> > Hello. I have been trying to figure out an issue
for a very long time.
>> > >> >>> > That issue relates to the ethernet and 10gb fc
links that I have on my
>> > >> >>> > cluster being disabled any time a migration
occurs.
>> > >> >>> >
>> > >> >>> > I believe this is because I need to have STP
turned on in order to
>> > >> >>> > participate with the switch. However, there does
not seem to be any
>> > >> >>> > way to tell oVirt to stop turning it off! Very
frustrating.
>> > >> >>> >
>> > >> >>> > After entering a cronjob that enables stp on all
bridges every 1
>> > >> >>> > minute, the migration issue disappears....
>> > >> >>> >
>> > >> >>> > Is there any way at all to do without this
cronjob and set STP to be
>> > >> >>> > ON without having to resort to such a silly
solution?
>> > >> >>>
>> > >> >>> Vdsm exposes a per bridge STP knob that you can use
for this. By
>> > >> >>> default it is set to false, which is probably why you
had to use this
>> > >> >>> shenanigan.
>> > >> >>>
>> > >> >>> You can, for instance:
>> > >> >>>
>> > >> >>> # show present state
>> > >> >>> [vagrant@vdsm ~]$ ip a
>> > >> >>> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc
noqueue state UNKNOWN
>> > >> >>> group default qlen 1000
>> > >> >>> link/loopback 00:00:00:00:00:00 brd
00:00:00:00:00:00
>> > >> >>> inet 127.0.0.1/8 scope host lo
>> > >> >>> valid_lft forever preferred_lft forever
>> > >> >>> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu
1500 qdisc pfifo_fast
>> > >> >>> state UP group default qlen 1000
>> > >> >>> link/ether 52:54:00:41:fb:37 brd
ff:ff:ff:ff:ff:ff
>> > >> >>> 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu
1500 qdisc pfifo_fast
>> > >> >>> state UP group default qlen 1000
>> > >> >>> link/ether 52:54:00:83:5b:6f brd
ff:ff:ff:ff:ff:ff
>> > >> >>> inet 192.168.50.50/24 brd 192.168.50.255 scope
global noprefixroute eth1
>> > >> >>> valid_lft forever preferred_lft forever
>> > >> >>> inet6 fe80::5054:ff:fe83:5b6f/64 scope link
>> > >> >>> valid_lft forever preferred_lft forever
>> > >> >>> 19: ;vdsmdummy;: <BROADCAST,MULTICAST> mtu 1500
qdisc noop state DOWN
>> > >> >>> group default qlen 1000
>> > >> >>> link/ether 8e:5c:2e:87:fa:0b brd
ff:ff:ff:ff:ff:ff
>> > >> >>>
>> > >> >>> # show example bridge configuration - you're
looking for the STP knob here.
>> > >> >>> [root@vdsm ~]$ cat bridged_net_with_stp
>> > >> >>> {
>> > >> >>> "bondings": {},
>> > >> >>> "networks": {
>> > >> >>> "test-network": {
>> > >> >>> "nic": "eth0",
>> > >> >>> "switch": "legacy",
>> > >> >>> "bridged": true,
>> > >> >>> "stp": true
>> > >> >>> }
>> > >> >>> },
>> > >> >>> "options": {
>> > >> >>> "connectivityCheck": false
>> > >> >>> }
>> > >> >>> }
>> > >> >>>
>> > >> >>> # issue setup networks command:
>> > >> >>> [root@vdsm ~]$ vdsm-client -f bridged_net_with_stp
Host setupNetworks
>> > >> >>> {
>> > >> >>> "code": 0,
>> > >> >>> "message": "Done"
>> > >> >>> }
>> > >> >>>
>> > >> >>> # show bridges
>> > >> >>> [root@vdsm ~]$ brctl show
>> > >> >>> bridge name bridge id STP enabled interfaces
>> > >> >>> ;vdsmdummy; 8000.000000000000 no
>> > >> >>> test-network 8000.52540041fb37 yes eth0
>> > >> >>>
>> > >> >>> # show final state
>> > >> >>> [root@vdsm ~]$ ip a
>> > >> >>> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc
noqueue state UNKNOWN
>> > >> >>> group default qlen 1000
>> > >> >>> link/loopback 00:00:00:00:00:00 brd
00:00:00:00:00:00
>> > >> >>> inet 127.0.0.1/8 scope host lo
>> > >> >>> valid_lft forever preferred_lft forever
>> > >> >>> 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu
1500 qdisc pfifo_fast
>> > >> >>> master test-network state UP group default qlen 1000
>> > >> >>> link/ether 52:54:00:41:fb:37 brd
ff:ff:ff:ff:ff:ff
>> > >> >>> 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu
1500 qdisc pfifo_fast
>> > >> >>> state UP group default qlen 1000
>> > >> >>> link/ether 52:54:00:83:5b:6f brd
ff:ff:ff:ff:ff:ff
>> > >> >>> inet 192.168.50.50/24 brd 192.168.50.255 scope
global noprefixroute eth1
>> > >> >>> valid_lft forever preferred_lft forever
>> > >> >>> inet6 fe80::5054:ff:fe83:5b6f/64 scope link
>> > >> >>> valid_lft forever preferred_lft forever
>> > >> >>> 19: ;vdsmdummy;: <BROADCAST,MULTICAST> mtu 1500
qdisc noop state DOWN
>> > >> >>> group default qlen 1000
>> > >> >>> link/ether 8e:5c:2e:87:fa:0b brd
ff:ff:ff:ff:ff:ff
>> > >> >>> 432: test-network:
<BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc
>> > >> >>> noqueue state UP group default qlen 1000
>> > >> >>> link/ether 52:54:00:41:fb:37 brd
ff:ff:ff:ff:ff:ff
>> > >> >>>
>> > >> >>> I don't think this STP parameter is exposed via
engine UI; @Dominik
>> > >> >>> Holler , could you confirm ? What are our plans for it
?
>> > >> >>>
>> > >> >>
>> > >> >> STP is only available via REST-API, see
>> > >> >>
http://ovirt.github.io/ovirt-engine-api-model/4.3/#types/network
>> > >> >> please find an example how to enable STP in
>> > >> >>
https://gist.github.com/dominikholler/4e70c9ef9929d93b6807f56d43a70b95
>> > >> >>
>> > >> >> We have no plans to add STP to the web ui,
>> > >> >> but new feature requests are always welcome on
>> > >> >>
https://bugzilla.redhat.com/enter_bug.cgi?product=ovirt-engine
>> > >> >>
>> > >> >>
>> > >> >>>
>> > >> >>> >
>> > >> >>> > Here are some details about my systems, if you
need it.
>> > >> >>> >
>> > >> >>> >
>> > >> >>> > selinux is disabled.
>> > >> >>> >
>> > >> >>> >
>> > >> >>> >
>> > >> >>> >
>> > >> >>> >
>> > >> >>> >
>> > >> >>> >
>> > >> >>> >
>> > >> >>> >
>> > >> >>> > [root@swm-02 ~]# rpm -qa | grep ovirt
>> > >> >>> > ovirt-imageio-common-1.5.1-0.el7.x86_64
>> > >> >>> > ovirt-release43-4.3.5.2-1.el7.noarch
>> > >> >>> > ovirt-imageio-daemon-1.5.1-0.el7.noarch
>> > >> >>> > ovirt-vmconsole-host-1.0.7-2.el7.noarch
>> > >> >>> > ovirt-hosted-engine-setup-2.3.11-1.el7.noarch
>> > >> >>> >
ovirt-ansible-hosted-engine-setup-1.0.26-1.el7.noarch
>> > >> >>> > python2-ovirt-host-deploy-1.8.0-1.el7.noarch
>> > >> >>> > ovirt-ansible-engine-setup-1.1.9-1.el7.noarch
>> > >> >>> > python2-ovirt-setup-lib-1.2.0-1.el7.noarch
>> > >> >>> > cockpit-machines-ovirt-195.1-1.el7.noarch
>> > >> >>> > ovirt-hosted-engine-ha-2.3.3-1.el7.noarch
>> > >> >>> > ovirt-vmconsole-1.0.7-2.el7.noarch
>> > >> >>> > cockpit-ovirt-dashboard-0.13.5-1.el7.noarch
>> > >> >>> > ovirt-provider-ovn-driver-1.2.22-1.el7.noarch
>> > >> >>> > ovirt-host-deploy-common-1.8.0-1.el7.noarch
>> > >> >>> > ovirt-host-4.3.4-1.el7.x86_64
>> > >> >>> > python-ovirt-engine-sdk4-4.3.2-2.el7.x86_64
>> > >> >>> > ovirt-host-dependencies-4.3.4-1.el7.x86_64
>> > >> >>> > ovirt-ansible-repositories-1.1.5-1.el7.noarch
>> > >> >>> > [root@swm-02 ~]# cat /etc/redhat-release
>> > >> >>> > CentOS Linux release 7.6.1810 (Core)
>> > >> >>> > [root@swm-02 ~]# uname -r
>> > >> >>> > 3.10.0-957.27.2.el7.x86_64
>> > >> >>> > You have new mail in /var/spool/mail/root
>> > >> >>> > [root@swm-02 ~]# ip a
>> > >> >>> > 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536
qdisc noqueue state UNKNOWN
>> > >> >>> > group default qlen 1000
>> > >> >>> > link/loopback 00:00:00:00:00:00 brd
00:00:00:00:00:00
>> > >> >>> > inet 127.0.0.1/8 scope host lo
>> > >> >>> > valid_lft forever preferred_lft forever
>> > >> >>> > 2: em1: <BROADCAST,MULTICAST,UP,LOWER_UP>
mtu 1500 qdisc mq master
>> > >> >>> > test state UP group default qlen 1000
>> > >> >>> > link/ether d4:ae:52:8d:50:48 brd
ff:ff:ff:ff:ff:ff
>> > >> >>> > 3: em2: <BROADCAST,MULTICAST> mtu 1500
qdisc noop state DOWN group
>> > >> >>> > default qlen 1000
>> > >> >>> > link/ether d4:ae:52:8d:50:49 brd
ff:ff:ff:ff:ff:ff
>> > >> >>> > 4: p1p1: <BROADCAST,MULTICAST,UP,LOWER_UP>
mtu 1500 qdisc mq master
>> > >> >>> > ovirtmgmt state UP group default qlen 1000
>> > >> >>> > link/ether 90:e2:ba:1e:14:80 brd
ff:ff:ff:ff:ff:ff
>> > >> >>> > 5: p1p2: <BROADCAST,MULTICAST> mtu 1500
qdisc noop state DOWN group
>> > >> >>> > default qlen 1000
>> > >> >>> > link/ether 90:e2:ba:1e:14:81 brd
ff:ff:ff:ff:ff:ff
>> > >> >>> > 6: ovs-system: <BROADCAST,MULTICAST> mtu
1500 qdisc noop state DOWN
>> > >> >>> > group default qlen 1000
>> > >> >>> > link/ether a2:b8:d6:e8:b3:d8 brd
ff:ff:ff:ff:ff:ff
>> > >> >>> > 7: br-int: <BROADCAST,MULTICAST> mtu 1500
qdisc noop state DOWN group
>> > >> >>> > default qlen 1000
>> > >> >>> > link/ether 96:a0:c1:4a:45:4b brd
ff:ff:ff:ff:ff:ff
>> > >> >>> > 25: test: <BROADCAST,MULTICAST,UP,LOWER_UP>
mtu 1500 qdisc noqueue
>> > >> >>> > state UP group default qlen 1000
>> > >> >>> > link/ether d4:ae:52:8d:50:48 brd
ff:ff:ff:ff:ff:ff
>> > >> >>> > inet 10.15.11.21/24 brd 10.15.11.255 scope
global test
>> > >> >>> > valid_lft forever preferred_lft forever
>> > >> >>> > 26: ovirtmgmt:
<BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc
>> > >> >>> > noqueue state UP group default qlen 1000
>> > >> >>> > link/ether 90:e2:ba:1e:14:80 brd
ff:ff:ff:ff:ff:ff
>> > >> >>> > inet 10.15.28.31/24 brd 10.15.28.255 scope
global ovirtmgmt
>> > >> >>> > valid_lft forever preferred_lft forever
>> > >> >>> > 27: ;vdsmdummy;: <BROADCAST,MULTICAST> mtu
1500 qdisc noop state DOWN
>> > >> >>> > group default qlen 1000
>> > >> >>> > link/ether 62:e5:e5:07:99:eb brd
ff:ff:ff:ff:ff:ff
>> > >> >>> > 29: vnet0:
<BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master
>> > >> >>> > ovirtmgmt state UNKNOWN group default qlen 1000
>> > >> >>> > link/ether fe:6f:9c:95:00:02 brd
ff:ff:ff:ff:ff:ff
>> > >> >>> > [root@swm-02 ~]# free -m
>> > >> >>> > total used free
shared buff/cache available
>> > >> >>> > Mem: 64413 1873 61804
9 735 62062
>> > >> >>> > Swap: 16383 0 16383
>> > >> >>> > [root@swm-02 ~]# free -h
>> > >> >>> > total used free
shared buff/cache available
>> > >> >>> > Mem: 62G 1.8G 60G
9.5M 735M 60G
>> > >> >>> > Swap: 15G 0B 15G
>> > >> >>> > [root@swm-02 ~]# ls
>> > >> >>> > ls lsb_release lshw
lslocks
>> > >> >>> > lsmod lspci
lssubsys
>> > >> >>> > lsusb.py
>> > >> >>> > lsattr lscgroup lsinitrd
lslogins
>> > >> >>> > lsns lss16toppm
lstopo-no-graphics
>> > >> >>> > lsblk lscpu lsipc
lsmem
>> > >> >>> > lsof lsscsi
lsusb
>> > >> >>> > [root@swm-02 ~]# lscpu
>> > >> >>> > Architecture: x86_64
>> > >> >>> > CPU op-mode(s): 32-bit, 64-bit
>> > >> >>> > Byte Order: Little Endian
>> > >> >>> > CPU(s): 16
>> > >> >>> > On-line CPU(s) list: 0-15
>> > >> >>> > Thread(s) per core: 2
>> > >> >>> > Core(s) per socket: 4
>> > >> >>> > Socket(s): 2
>> > >> >>> > NUMA node(s): 2
>> > >> >>> > Vendor ID: GenuineIntel
>> > >> >>> > CPU family: 6
>> > >> >>> > Model: 44
>> > >> >>> > Model name: Intel(R) Xeon(R) CPU
X5672 @ 3.20GHz
>> > >> >>> > Stepping: 2
>> > >> >>> > CPU MHz: 3192.064
>> > >> >>> > BogoMIPS: 6384.12
>> > >> >>> > Virtualization: VT-x
>> > >> >>> > L1d cache: 32K
>> > >> >>> > L1i cache: 32K
>> > >> >>> > L2 cache: 256K
>> > >> >>> > L3 cache: 12288K
>> > >> >>> > NUMA node0 CPU(s): 0,2,4,6,8,10,12,14
>> > >> >>> > NUMA node1 CPU(s): 1,3,5,7,9,11,13,15
>> > >> >>> > Flags: fpu vme de pse tsc msr pae
mce cx8 apic sep
>> > >> >>> > mtrr pge mca cmov pat pse36 clflush dts acpi mmx
fxsr sse sse2 ss ht
>> > >> >>> > tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc
arch_perfmon pebs bts
>> > >> >>> > rep_good nopl xtopology nonstop_tsc aperfmperf
eagerfpu pni pclmulqdq
>> > >> >>> > dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16
xtpr pdcm pcid dca
>> > >> >>> > sse4_1 sse4_2 popcnt aes lahf_lm ssbd ibrs ibpb
stibp tpr_shadow vnmi
>> > >> >>> > flexpriority ept vpid dtherm ida arat spec_ctrl
intel_stibp flush_l1d
>> > >> >>> > [root@swm-02 ~]#
>> > >> >>> > _______________________________________________
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>> > >> >>
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