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[libvirt-users] unable to do kerberos authentication
by Parker Schmitt 08 May '13

08 May '13

Hello, I am trying to do kerberos (sasl+gssapi) authentication for a hypervisor running libvirt. When I have valid kerberos credentials these errors end up in my logs. I have no idea what this all means. More info is in my bug report https://bugzilla.redhat.com/show_bug.cgi?id=958589 Thank you for your help. 2013-05-08 16:25:30.564+0000: 28934: error : virNetSASLSessionServerStart:533 : authentication failed: Failed to start SASL negotiation: -13 (SASL(-13): authentication failure: GSSAPI Failure: gss_accept_sec_context) 2013-05-08 16:25:30.564+0000: 28934: debug : remoteDispatchAuthSaslStart:2636 : RPC_SERVER_CLIENT_AUTH_FAIL: client=0x716391d0b0 auth=1 2013-05-08 16:25:30.564+0000: 28934: debug : virObjectUnref:258 : OBJECT_UNREF: obj=0x337e4000ba0 2013-05-08 16:25:30.564+0000: 28934: debug : virObjectUnref:260 : OBJECT_DISPOSE: obj=0x337e4000ba0 2013-05-08 16:25:30.564+0000: 28934: error : remoteDispatchAuthSaslStart:2651 : authentication failed: authentication failed 2013-05-08 16:25:30.564+0000: 28934: debug : virNetServerProgramSendError:151 : prog=536903814 ver=1 proc=68 type=1 serial=2 msg=0x716391e480 rerr=0x337f90d9c20 2013-05-08 16:25:30.564+0000: 28934: debug : virNetMessageEncodePayload:364 : Encode length as 180 2013-05-08 16:25:30.564+0000: 28934: debug : virNetServerClientSendMessageLocked:1287 : msg=0x716391e480 proc=68 len=180 offset=0 2013-05-08 16:25:30.564+0000: 28934: debug : virNetServerClientSendMessageLocked:1295 : RPC_SERVER_CLIENT_MSG_TX_QUEUE: client=0x716391d0b0 len=180 prog=536903814 vers=1 proc=68 type=1 status=1 serial=2 2013-05-08 16:25:30.564+0000: 28934: debug : virNetServerClientCalculateHandleMode:148 : tls=(nil) hs=-1, rx=0x71639257d0 tx=0x716391e480 2013-05-08 16:25:30.564+0000: 28934: debug : virNetServerClientCalculateHandleMode:183 : mode=3 2013-05-08 16:25:30.564+0000: 28934: debug : virEventPollUpdateHandle:147 : EVENT_POLL_UPDATE_HANDLE: watch=9 events=3 2013-05-08 16:25:30.564+0000: 28934: debug : virEventPollInterruptLocked:716 : Interrupting

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[libvirt-users] migration job: unexpectedly failed
by Daniele 08 May '13

08 May '13

Hi, I am trying to run some test and analysis while performing a wide live migration of a VM between two different network location. I use libvirt and qemu-kvm as hypervisor on Linux. The live wide migration from A to B completes successfully, instead I can't achieve the reverse path, from B to A (and that is right what I am interested to). To perform the migration I run this command in virsh: *"migrate --live --verbose uno qemu+ssh://root@ip.address/system"* * * Even if dramatically slow (i guess due to some network bottleneck) the migration starts correctly, but it gets stuck at 96% and after some minute it returns this error: *"Migration: [ 96 %]error: operation failed: migration job: unexpectedly failed" *without further details. The libvirtd.log file in the source host says: *2013-05-07 11:01:18.739+0000: 9538: error : qemuMigrationUpdateJobStatus:945 : operation failed: migration job: unexpectedly failed* * * Apparently i can't find any clue of what is causing the error, do you have any idea/solution? * * (I'm not sure if this is the appropriate mailing-list, maybe it was better the devs list?) Thanks for your help Daniele

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[libvirt-users] Java client error on Windows 7 64 bit for Libvirt on KVM
by george john 07 May '13

07 May '13

Hi, I need some help in building a Java client on Windows 7 64 bit plaftorm to manage a KVM using the libvirt APIs. Using the instructions at http://libvirt.org/java.html, i was able to build libvirt.jar. My understanding is that libvirt.jar uses JNA to call libvirt's native windows library. I tried using the libvirt dlls in the experimental Windows installation package mentioned in http://libvirt.org/windows.html at http://libvirt.org/sources/win32_experimental/Libvirt-0.8.8-0.exe but whenever I try to connect to my remote API, I get the below Java exception : Exception in thread "main" java.lang.UnsatisfiedLinkError: %1 is not a valid Win32 application. at com.sun.jna.Native.open(Native Method) at com.sun.jna.Native.open(Native.java:1718) at com.sun.jna.NativeLibrary.loadLibrary(NativeLibrary.java:210) at com.sun.jna.NativeLibrary.getInstance(NativeLibrary.java:322) at com.sun.jna.Library$Handler.<init>(Library.java:142) at com.sun.jna.Native.loadLibrary(Native.java:387) at com.sun.jna.Native.loadLibrary(Native.java:366) at org.libvirt.jna.Libvirt.<clinit>(Unknown Source) at org.libvirt.Library.<clinit>(Unknown Source) at org.libvirt.Connect.<init>(Unknown Source) at Main.main(Main.java:8) But when I try the same client code on a Windows XP 32 bit machine (with 32 bit JVM), I don't see this problem and the connection succeeds. So it looks like the problem is that I am not using 64 bit windows libvirt dlls. Is my assumption correct? Is there a Windows installer with 64 bit Libvirt dlls ? Or are the 64 bit version of DLLs published somewhere? I tried using Matthias Bolte's msys_setup script (I tried in 2 machines) and in both machines, I get the below error when I try to run compile_libxml2.sh as per instructions https://github.com/photron/msys_setup/blob/master/readme_libvirt.txt Last few lines before the error is : >>>>>>>>>>>>>>>>> make[5]: Leaving directory `/src/libxml2/libxml2-2.9.0-0/python' make[4]: Leaving directory `/src/libxml2/libxml2-2.9.0-0/python' Making install in tests make[4]: Entering directory `/src/libxml2/libxml2-2.9.0-0/python/tests' make[5]: Entering directory `/src/libxml2/libxml2-2.9.0-0/python/tests' make[5]: Nothing to be done for `install-exec-am'. test -z "/share/doc/libxml2-python-2.9.0/examples" || /bin/mkdir -p "/share/doc/ libxml2-python-2.9.0/examples" /bin/install -c -m 644 build.py attribs.py tst.py tstxpath.py xpathext.py push. py pushSAX.py pushSAXhtml.py error.py serialize.py validate.py tstURI.py cutnpas te.py xpathret.py xpath.py outbuf.py inbuf.py resolver.py regexp.py reader.py re ader2.py reader3.py reader4.py reader5.py reader6.py reader7.py reader8.py reade rnext.py walker.py nsdel.py ctxterror.py readererr.py relaxng.py schema.py threa d2.py sync.py tstLastError.py indexes.py dtdvalid.py tstmem.py '/share/doc/libxm l2-python-2.9.0/examples' /bin/install -c -m 644 validDTD.py validSchemas.py validRNG.py compareNodes.py xpathns.py xpathleak.py tst.xml valid.xml invalid.xml test.dtd '/share/doc/libxm l2-python-2.9.0/examples' make[5]: Leaving directory `/src/libxml2/libxml2-2.9.0-0/python/tests' make[4]: Leaving directory `/src/libxml2/libxml2-2.9.0-0/python/tests' make[3]: Leaving directory `/src/libxml2/libxml2-2.9.0-0/python' make[2]: Leaving directory `/src/libxml2/libxml2-2.9.0-0/python' make[1]: Leaving directory `/src/libxml2/libxml2-2.9.0-0' + cp /python/Lib/site-packages/libxml2mod.dll /python/DLLs/libxml2mod.pyd cp: cannot stat `/python/Lib/site-packages/libxml2mod.dll': No such file or dire ctory >>>>>>>>>>>>>>>>>> Do you know how this error could be resolved? All help will be greatly appreciated. Thank you.

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[libvirt-users] libvirt-snmp on Ubuntu
by george john 07 May '13

07 May '13

Hi, Are there packages of "libvirt-snmp" for Ubuntu? Or instructions to compile libvirt-snmp on Ubuntu? Looks like the instructions given at http://wiki.libvirt.org/page/Libvirt-snmp are for RedHat. Thank you, George

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[libvirt-users] libvirt API reference disappeared from website
by Ulrich Hochholdinger 07 May '13

07 May '13

Hi, I think the API Reference for libvirt disappeared from libvirt.org: browsing to http://libvirt.org/html/libvirt-libvirt.html delivers no content. The content is still available via google cache http://webcache.googleusercontent.com/search?q=cache:libvirt.org/html/libvi… So, is this removed on purpose? Or is this some bluff from my browser (but I checked this from different sites with different browsers ;-/ )? Cheers, Ulli -- Sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us. (calvin)

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[libvirt-users] hyperv connection failing with libvirt 1.0.4 virsh.
by D e e p a k 07 May '13

07 May '13

Trying to use virsh for hyperv and getting this. virsh # connect hyperv://172.168.1.111:5985/?transport=http Enter username for 172.168.1.111 [administrator]: administrator Enter administrator's password for 172.168.1.111: 2013-04-29 10:36:48.690+0000: 13991: error : hypervDebugHandler:1444 : openwsman error: NULL response error: Failed to connect to the hypervisor error: internal error Transport error during enumeration: User, password or similar was not accepted (26) Using libvirt 1.0.4 from source code. What is going wrong in this hyperv connection ? Regards, Deepak

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[libvirt-users] Location of 64 bit libvirt dlls (Windows)?
by george john 06 May '13

06 May '13

I have written a Java client (64 bit JVM) that uses libvirt APIs on a remote KVM for KVM management. Since the JVM is 64 bit, the client needs 64 bit libvirt dlls and I could not find them (I found 32 bit libvirt dlls on http://libvirt.org/windows.html) Could someone point to where I could find 64 bit libvirt dlls? Thank you, George

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[libvirt-users] virtlockd, init script and kill signals
by Franky Van Liedekerke 06 May '13

06 May '13

Hi, I've read in the documentation that virtlockd uses SIGUSR1 to dump its state and then re-execs itself. Now I tried it and this seems to fail because virtlockd is being launched without a full path (when using the init script), thus re-exec fails with the error: error : virLockDaemonPreExecRestart:1092 : Unable to restart self: No such file or directory Changing in the init script the PROCESS variable to PROCESS=/usr/sbin/virtlockd fixes this. Also, concerning the init script: - HUP seems to crash the daemon, so maybe it's better to be replaced by SIGUSR1 or removed - path to process pid file (variable PIDFILE) needed to be changed to /var/run/$SERVICE.pid - the path to the config file needed to be changed (/etc/sysconfig/virtlockd) to contain VIRTLOCKD_ARGS="-f /etc/libvirt/qemu-lockd.conf" Hope this helps someone :-) Franky

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[libvirt-users] Requested operation is not valid: domain is not running but exactly vm is running
by yue 05 May '13

05 May '13

hi,all requested operation is not valid: domain is not running but exactly vm is running when call getCPUStats,interfaceStats... system: centos6.3 libvirt-0.9.10-21.el6_3.7.x86_64 libvirt-python-0.9.10-21.el6_3.7.x86_64 thanks

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[libvirt-users] sanlockd, virtlock and GFS2
by Franky Van Liedekerke 03 May '13

03 May '13

Hi, I'm trying to put in place a KVM cluster (using clvm and gfs2), but I'm running into some issues with either sanlock or virtlockd. All virtual machines are handled via the cluster (in /etc/cluser/cluster.conf) but I want some kind of locking to be in place as extra security measurement. Sanlock ======= At first I tried sanlock, but it seems if one node goes down unexpectedly, sanlock sometimes blocks everything on the other node. So I can't start any VM's there, so cluster failover is not working for the VM's. The locking dir for sanlock is on a shared dir (GFS2), so this might be the problem: sanlock recommends using a shared device (doing everything yourself) and don't recommend the locking dir to be on GFS2, but libvirt config suggest using a shared dir. Redhat even suggests that GFS2 is a good solution there, So: is there a hint on how to format/mount the GFS2 partition for sanlock usage? This thread (http://web.archiveorange.com/archive/v/fZfKniEdO4ZFyIhhNbzU ) recommends against GFS2+sanlock, but maybe using the "no_lock" gfs2 option might help? Any kind of advice? Virtlockd ========= Since sanlock was not working as expected, I tried virtlockd. This seems to be working well, but: live migration fails because the file on the shared disk (used for locking) is being locked by the original server running the VM. So when trying to do live migration, this fails and leaves the VM paused on the original server. Trying to migrate a paused server then works ok, but that's of course not live migration. So: is there a hint on how to format/mount the GFS2 partition for virtlock usage? Of course: since every VM is being started/stopped via the cluster, I could just leave out locking all together and trust on the cluster software ... Any insights/tips are greatly appreciated! Franky

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