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* Virtual machine freezed after a save
@ 2012-01-09 10:49 Oriol Martí
  2012-01-10 10:04 ` Oriol Martí
  0 siblings, 1 reply; 2+ messages in thread
From: Oriol Martí @ 2012-01-09 10:49 UTC (permalink / raw)
  To: kvm

Hello, I have an Ubuntu Server with KVM, the extensions in the BIOS are 
enabled:
root@cluster03:~# kvm-ok
INFO: Your CPU supports KVM extensions
INFO: /dev/kvm exists
KVM acceleration can be used

The problem is that when i do a save of a virtual machine, the screen 
freezes and the ping does not respond when I restore. Does sombody know 
why the vm does not restore normally?

Thx.

PD: the commands I use-->

virsh --connect qemu+ssh:///system save one-309 one-309
virsh --connect qemu+ssh:///system restore one-309

I've saved the debug logs with export 
LIBVIRT_LOG_OUTPUTS="1:file:virsh.log" and this is:

10:49:31.794: debug : virInitialize:337 : register drivers
10:49:31.794: debug : virRegisterDriver:838 : registering Test as driver 0
10:49:31.794: debug : virRegisterNetworkDriver:676 : registering Test as network driver 0
10:49:31.794: debug : virRegisterInterfaceDriver:707 : registering Test as interface driver 0
10:49:31.794: debug : virRegisterStorageDriver:738 : registering Test as storage driver 0
10:49:31.794: debug : virRegisterDeviceMonitor:769 : registering Test as device driver 0
10:49:31.794: debug : virRegisterSecretDriver:800 : registering Test as secret driver 0
10:49:31.794: debug : virRegisterDriver:838 : registering Xen as driver 1
10:49:31.794: debug : virRegisterDriver:838 : registering OPENVZ as driver 2
10:49:31.794: debug : vboxRegister:109 : VBoxCGlueInit failed, using dummy driver
10:49:31.794: debug : virRegisterDriver:838 : registering VBOX as driver 3
10:49:31.794: debug : virRegisterNetworkDriver:676 : registering VBOX as network driver 1
10:49:31.794: debug : virRegisterStorageDriver:738 : registering VBOX as storage driver 1
10:49:31.794: debug : virRegisterDriver:838 : registering remote as driver 4
10:49:31.794: debug : virRegisterNetworkDriver:676 : registering remote as network driver 2
10:49:31.794: debug : virRegisterInterfaceDriver:707 : registering remote as interface driver 1
10:49:31.794: debug : virRegisterStorageDriver:738 : registering remote as storage driver 2
10:49:31.794: debug : virRegisterDeviceMonitor:769 : registering remote as device driver 1
10:49:31.794: debug : virRegisterSecretDriver:800 : registering remote as secret driver 1
10:49:31.794: debug : virConnectOpenAuth:1338 : name=qemu+ssh:///system, auth=0x7f282a1b3b80, flags=0
10:49:31.794: debug : do_open:1107 : name "qemu+ssh:///system" to URI components:
   scheme qemu+ssh
   opaque (null)
   authority (null)
   server (null)
   user (null)
   port 0
   path /system

10:49:31.794: debug : do_open:1117 : trying driver 0 (Test) ...
10:49:31.794: debug : do_open:1123 : driver 0 Test returned DECLINED
10:49:31.794: debug : do_open:1117 : trying driver 1 (Xen) ...
10:49:31.794: debug : do_open:1123 : driver 1 Xen returned DECLINED
10:49:31.794: debug : do_open:1117 : trying driver 2 (OPENVZ) ...
10:49:31.794: debug : do_open:1123 : driver 2 OPENVZ returned DECLINED
10:49:31.794: debug : do_open:1117 : trying driver 3 (VBOX) ...
10:49:31.794: debug : do_open:1123 : driver 3 VBOX returned DECLINED
10:49:31.794: debug : do_open:1117 : trying driver 4 (remote) ...
10:49:31.794: debug : doRemoteOpen:565 : proceeding with name = qemu:///system
10:49:31.794: debug : virExecWithHook:620 : ssh localhost nc -q 2>&1 | grep -q 'requires an argument';if [ $? -eq 0 ] ; then   CMD='-q 0';else   CMD='';fi;nc $CMD -U /var/run/libvirt/libvirt-sock
10:49:31.794: debug : remoteIO:8457 : Do proc=66 serial=0 length=28 wait=(nil)
10:49:31.794: debug : remoteIO:8519 : We have the buck 66 0x7f282a1ea010 0x7f282a1ea010
10:49:35.755: debug : remoteIODecodeMessageLength:7941 : Got length, now need 64 total (60 more)
10:49:35.755: debug : remoteIOEventLoop:8383 : Giving up the buck 66 0x7f282a1ea010 (nil)
10:49:35.755: debug : remoteIO:8550 : All done with our call 66 (nil) 0x7f282a1ea010
10:49:35.755: debug : remoteIO:8457 : Do proc=1 serial=1 length=56 wait=(nil)
10:49:35.755: debug : remoteIO:8519 : We have the buck 1 0x67a930 0x67a930
10:49:35.755: debug : remoteIODecodeMessageLength:7941 : Got length, now need 56 total (52 more)
10:49:35.755: debug : remoteIOEventLoop:8383 : Giving up the buck 1 0x67a930 (nil)
10:49:35.755: debug : remoteIO:8550 : All done with our call 1 (nil) 0x67a930
10:49:35.755: debug : doRemoteOpen:918 : Adding Handler for remote events
10:49:35.755: debug : doRemoteOpen:925 : virEventAddHandle failed: No addHandleImpl defined. continuing without events.
10:49:35.755: debug : do_open:1123 : driver 4 remote returned SUCCESS
10:49:35.755: debug : do_open:1143 : network driver 0 Test returned DECLINED
10:49:35.755: debug : do_open:1143 : network driver 1 VBOX returned DECLINED
10:49:35.755: debug : do_open:1143 : network driver 2 remote returned SUCCESS
10:49:35.755: debug : do_open:1162 : interface driver 0 Test returned DECLINED
10:49:35.755: debug : do_open:1162 : interface driver 1 remote returned SUCCESS
10:49:35.755: debug : do_open:1182 : storage driver 0 Test returned DECLINED
10:49:35.755: debug : do_open:1182 : storage driver 1 VBOX returned DECLINED
10:49:35.755: debug : do_open:1182 : storage driver 2 remote returned SUCCESS
10:49:35.755: debug : do_open:1202 : node driver 0 Test returned DECLINED
10:49:35.755: debug : do_open:1202 : node driver 1 remote returned SUCCESS
10:49:35.755: debug : do_open:1229 : secret driver 0 Test returned DECLINED
10:49:35.755: debug : do_open:1229 : secret driver 1 remote returned SUCCESS
10:49:35.755: debug : virDomainLookupByName:1975 : conn=0x674c50, name=one-309
10:49:35.756: debug : remoteIO:8457 : Do proc=23 serial=2 length=40 wait=(nil)
10:49:35.756: debug : remoteIO:8519 : We have the buck 23 0x67a4d0 0x67a4d0
10:49:35.756: debug : remoteIODecodeMessageLength:7941 : Got length, now need 88 total (84 more)
10:49:35.756: debug : remoteIOEventLoop:8383 : Giving up the buck 23 0x67a4d0 (nil)
10:49:35.756: debug : remoteIO:8550 : All done with our call 23 (nil) 0x67a4d0
10:49:35.756: debug : virGetDomain:345 : New hash entry 0x6749b0
10:49:35.756: debug : virDomainSave:2217 : domain=0x6749b0, to=one-309
10:49:35.756: debug : remoteIO:8457 : Do proc=55 serial=3 length=80 wait=(nil)
10:49:35.756: debug : remoteIO:8519 : We have the buck 55 0x67a4d0 0x67a4d0
10:52:23.598: debug : remoteIODecodeMessageLength:7941 : Got length, now need 56 total (52 more)
10:52:23.598: debug : remoteIOEventLoop:8383 : Giving up the buck 55 0x67a4d0 (nil)
10:52:23.598: debug : remoteIO:8550 : All done with our call 55 (nil) 0x67a4d0
10:52:23.598: debug : virDomainFree:2063 : domain=0x6749b0
10:52:23.598: debug : virUnrefDomain:422 : unref domain 0x6749b0 one-309 1
10:52:23.598: debug : virReleaseDomain:376 : release domain 0x6749b0 one-309
10:52:23.598: debug : virReleaseDomain:392 : unref connection 0x674c50 2
10:52:23.598: debug : virConnectClose:1356 : conn=0x674c50
10:52:23.598: debug : virUnrefConnect:259 : unref connection 0x674c50 1
10:52:23.598: debug : remoteIO:8457 : Do proc=2 serial=4 length=28 wait=(nil)
10:52:23.598: debug : remoteIO:8519 : We have the buck 2 0x67a4d0 0x67a4d0
10:52:23.598: debug : remoteIODecodeMessageLength:7941 : Got length, now need 56 total (52 more)
10:52:23.598: debug : remoteIOEventLoop:8383 : Giving up the buck 2 0x67a4d0 (nil)
10:52:23.598: debug : remoteIO:8550 : All done with our call 2 (nil) 0x67a4d0
10:52:23.599: debug : virReleaseConnect:216 : release connection 0x674c50
11:01:19.623: debug : virInitialize:337 : register drivers
11:01:19.624: debug : virRegisterDriver:838 : registering Test as driver 0
11:01:19.624: debug : virRegisterNetworkDriver:676 : registering Test as network driver 0
11:01:19.624: debug : virRegisterInterfaceDriver:707 : registering Test as interface driver 0
11:01:19.624: debug : virRegisterStorageDriver:738 : registering Test as storage driver 0
11:01:19.624: debug : virRegisterDeviceMonitor:769 : registering Test as device driver 0
11:01:19.624: debug : virRegisterSecretDriver:800 : registering Test as secret driver 0
11:01:19.624: debug : virRegisterDriver:838 : registering Xen as driver 1
11:01:19.624: debug : virRegisterDriver:838 : registering OPENVZ as driver 2
11:01:19.624: debug : vboxRegister:109 : VBoxCGlueInit failed, using dummy driver
11:01:19.624: debug : virRegisterDriver:838 : registering VBOX as driver 3
11:01:19.624: debug : virRegisterNetworkDriver:676 : registering VBOX as network driver 1
11:01:19.624: debug : virRegisterStorageDriver:738 : registering VBOX as storage driver 1
11:01:19.624: debug : virRegisterDriver:838 : registering remote as driver 4
11:01:19.624: debug : virRegisterNetworkDriver:676 : registering remote as network driver 2
11:01:19.624: debug : virRegisterInterfaceDriver:707 : registering remote as interface driver 1
11:01:19.624: debug : virRegisterStorageDriver:738 : registering remote as storage driver 2
11:01:19.624: debug : virRegisterDeviceMonitor:769 : registering remote as device driver 1
11:01:19.624: debug : virRegisterSecretDriver:800 : registering remote as secret driver 1
11:01:19.624: debug : virConnectOpenAuth:1338 : name=qemu+ssh:///system, auth=0x7fcfdd6b4b80, flags=0
11:01:19.624: debug : do_open:1107 : name "qemu+ssh:///system" to URI components:
   scheme qemu+ssh
   opaque (null)
   authority (null)
   server (null)
   user (null)
   port 0
   path /system

11:01:19.624: debug : do_open:1117 : trying driver 0 (Test) ...
11:01:19.624: debug : do_open:1123 : driver 0 Test returned DECLINED
11:01:19.624: debug : do_open:1117 : trying driver 1 (Xen) ...
11:01:19.624: debug : do_open:1123 : driver 1 Xen returned DECLINED
11:01:19.624: debug : do_open:1117 : trying driver 2 (OPENVZ) ...
11:01:19.624: debug : do_open:1123 : driver 2 OPENVZ returned DECLINED
11:01:19.624: debug : do_open:1117 : trying driver 3 (VBOX) ...
11:01:19.624: debug : do_open:1123 : driver 3 VBOX returned DECLINED
11:01:19.624: debug : do_open:1117 : trying driver 4 (remote) ...
11:01:19.624: debug : doRemoteOpen:565 : proceeding with name = qemu:///system
11:01:19.624: debug : virExecWithHook:620 : ssh localhost nc -q 2>&1 | grep -q 'requires an argument';if [ $? -eq 0 ] ; then   CMD='-q 0';else   CMD='';fi;nc $CMD -U /var/run/libvirt/libvirt-sock
11:01:19.624: debug : remoteIO:8457 : Do proc=66 serial=0 length=28 wait=(nil)
11:01:19.624: debug : remoteIO:8519 : We have the buck 66 0x7fcfdd6eb010 0x7fcfdd6eb010
11:01:22.993: debug : remoteIODecodeMessageLength:7941 : Got length, now need 64 total (60 more)
11:01:22.993: debug : remoteIOEventLoop:8383 : Giving up the buck 66 0x7fcfdd6eb010 (nil)
11:01:22.993: debug : remoteIO:8550 : All done with our call 66 (nil) 0x7fcfdd6eb010
11:01:22.993: debug : remoteIO:8457 : Do proc=1 serial=1 length=56 wait=(nil)
11:01:22.993: debug : remoteIO:8519 : We have the buck 1 0x6c68f0 0x6c68f0
11:01:22.994: debug : remoteIODecodeMessageLength:7941 : Got length, now need 56 total (52 more)
11:01:22.994: debug : remoteIOEventLoop:8383 : Giving up the buck 1 0x6c68f0 (nil)
11:01:22.994: debug : remoteIO:8550 : All done with our call 1 (nil) 0x6c68f0
11:01:22.994: debug : doRemoteOpen:918 : Adding Handler for remote events
11:01:22.994: debug : doRemoteOpen:925 : virEventAddHandle failed: No addHandleImpl defined. continuing without events.
11:01:22.994: debug : do_open:1123 : driver 4 remote returned SUCCESS
11:01:22.994: debug : do_open:1143 : network driver 0 Test returned DECLINED
11:01:22.994: debug : do_open:1143 : network driver 1 VBOX returned DECLINED
11:01:22.994: debug : do_open:1143 : network driver 2 remote returned SUCCESS
11:01:22.994: debug : do_open:1162 : interface driver 0 Test returned DECLINED
11:01:22.994: debug : do_open:1162 : interface driver 1 remote returned SUCCESS
11:01:22.994: debug : do_open:1182 : storage driver 0 Test returned DECLINED
11:01:22.994: debug : do_open:1182 : storage driver 1 VBOX returned DECLINED
11:01:22.994: debug : do_open:1182 : storage driver 2 remote returned SUCCESS
11:01:22.994: debug : do_open:1202 : node driver 0 Test returned DECLINED
11:01:22.994: debug : do_open:1202 : node driver 1 remote returned SUCCESS
11:01:22.994: debug : do_open:1229 : secret driver 0 Test returned DECLINED
11:01:22.994: debug : do_open:1229 : secret driver 1 remote returned SUCCESS
11:01:22.994: debug : virDomainRestore:2284 : conn=0x6c0c10, from=one-309
11:01:22.994: debug : remoteIO:8457 : Do proc=54 serial=2 length=48 wait=(nil)
11:01:22.994: debug : remoteIO:8519 : We have the buck 54 0x6c6490 0x6c6490
11:01:23.620: debug : remoteIODecodeMessageLength:7941 : Got length, now need 56 total (52 more)
11:01:23.620: debug : remoteIOEventLoop:8383 : Giving up the buck 54 0x6c6490 (nil)
11:01:23.621: debug : remoteIO:8550 : All done with our call 54 (nil) 0x6c6490
11:01:23.621: debug : virConnectClose:1356 : conn=0x6c0c10
11:01:23.621: debug : virUnrefConnect:259 : unref connection 0x6c0c10 1
11:01:23.621: debug : remoteIO:8457 : Do proc=2 serial=3 length=28 wait=(nil)
11:01:23.621: debug : remoteIO:8519 : We have the buck 2 0x6c6490 0x6c6490
11:01:23.621: debug : remoteIODecodeMessageLength:7941 : Got length, now need 56 total (52 more)
11:01:23.621: debug : remoteIOEventLoop:8383 : Giving up the buck 2 0x6c6490 (nil)
11:01:23.621: debug : remoteIO:8550 : All done with our call 2 (nil) 0x6c6490
11:01:23.622: debug : virReleaseConnect:216 : release connection 0x6c0c10


-- 
......................................................................
        __
       / /          Oriol Martí i Bonvehí
C E / S / C A      Departament de Sistemes i Xarxes
     /_/            Centre de Serveis Científics i Acadèmics de Catalunya

Gran Capità, 2-4 (Edifici Nexus) · 08034 Barcelona
T. 93 551 62 12 · F. 93 205 6979 · omarti@cesca.cat
......................................................................


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2012-01-09 10:49 Virtual machine freezed after a save Oriol Martí
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