Re: [Users] 6.4 CR: oVirt 3.1 breaks with missing cpu features after update to CentOS 6.4 (6.3 + CR)

On 05.03.2013 10:54, Dan Kenigsberg wrote: > On Tue, Mar 05, 2013 at 10:21:16AM +0100, Patrick Hurrelmann wrote: >> On 04.03.2013 21:52, Itamar Heim wrote: >>> On 04/03/2013 19:03, Patrick Hurrelmann wrote: >>>> Hi list, >>>> >>>> I tested the upcoming CentOS 6.4 release with my lab installation of >>>> oVirt 3.1 and it fails to play well. >>>> >>>> Background: freshly installed CentOS 6.3 host in a Nehalem CPU-type >>>> Cluster with 2 other hosts. Storage is iSCSI. Datacenter and Cluster are >>>> both version 3.1. oVirt 3.1 was installed via Dreyou's repo. >>>> >>>> In CentOS 6.3 all is fine and the following rpms are installed: >>>> >>>> libvirt.x86_64 0.9.10-21.el6_3.8 >>>> libvirt-client.x86_64 0.9.10-21.el6_3.8 >>>> libvirt-lock-sanlock.x86_64 0.9.10-21.el6_3.8 >>>> libvirt-python.x86_64 0.9.10-21.el6_3.8 >>>> vdsm.x86_64 4.10.0-0.46.15.el6 >>>> vdsm-cli.noarch 4.10.0-0.46.15.el6 >>>> vdsm-python.x86_64 4.10.0-0.46.15.el6 >>>> vdsm-xmlrpc.noarch 4.10.0-0.46.15.el6 >>>> qemu-kvm.x86_64 2:0.12.1.2-2.295.el6_3.10 >>>> >>>> >>>> uname -a >>>> Linux vh-test1.mydomain.com 2.6.32-279.22.1.el6.x86_64 #1 SMP Wed Feb 6 >>>> 03:10:46 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux >>>> >>>> virsh cpu capabilities on 6.3: >>>> <cpu> >>>> <arch>x86_64</arch> >>>> <model>Nehalem</model> >>>> <vendor>Intel</vendor> >>>> <topology sockets='1' cores='4' threads='1'/> >>>> <feature name='rdtscp'/> >>>> <feature name='pdcm'/> >>>> <feature name='xtpr'/> >>>> <feature name='tm2'/> >>>> <feature name='est'/> >>>> <feature name='smx'/> >>>> <feature name='vmx'/> >>>> <feature name='ds_cpl'/> >>>> <feature name='monitor'/> >>>> <feature name='dtes64'/> >>>> <feature name='pbe'/> >>>> <feature name='tm'/> >>>> <feature name='ht'/> >>>> <feature name='ss'/> >>>> <feature name='acpi'/> >>>> <feature name='ds'/> >>>> <feature name='vme'/> >>>> </cpu> >>>> >>>> and corresponding cpu features from vdsClient: >>>> >>>> cpuCores = 4 >>>> cpuFlags = fpu,vme,de,pse,tsc,msr,pae,mce,cx8,apic,mtrr,pge,mca, >>>> cmov,pat,pse36,clflush,dts,acpi,mmx,fxsr,sse,sse2,ss,ht, >>>> tm,pbe,syscall,nx,rdtscp,lm,constant_tsc,arch_perfmon, >>>> pebs,bts,rep_good,xtopology,nonstop_tsc,aperfmperf,pni, >>>> dtes64,monitor,ds_cpl,vmx,smx,est,tm2,ssse3,cx16,xtpr, >>>> pdcm,sse4_1,sse4_2,popcnt,lahf_lm,ida,dts,tpr_shadow,vnmi, >>>> flexpriority,ept,vpid,model_Conroe,model_Penryn, >>>> model_Nehalem >>>> cpuModel = Intel(R) Xeon(R) CPU X3430 @ 2.40GHz >>>> cpuSockets = 1 >>>> cpuSpeed = 2394.132 >>>> >>>> >>>> So the system was updated to 6.4 using the continuous release repo. >>>> >>>> Installed rpms after update to 6.4 (6.3 + CR): >>>> >>>> libvirt.x86_64 0.10.2-18.el6 >>>> libvirt-client.x86_64 0.10.2-18.el6 >>>> libvirt-lock-sanlock.x86_64 0.10.2-18.el6 >>>> libvirt-python.x86_64 0.10.2-18.el6 >>>> vdsm.x86_64 4.10.0-0.46.15.el6 >>>> vdsm-cli.noarch 4.10.0-0.46.15.el6 >>>> vdsm-python.x86_64 4.10.0-0.46.15.el6 >>>> vdsm-xmlrpc.noarch 4.10.0-0.46.15.el6 >>>> qemu-kvm.x86_64 2:0.12.1.2-2.355.el6_4_4.1 >>>> >>>> >>>> uname -a >>>> Linux vh-test1.mydomain.com 2.6.32-358.0.1.el6.x86_64 #1 SMP Wed Feb 27 >>>> 06:06:45 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux >>>> >>>> virsh capabilities on 6.4: >>>> <cpu> >>>> <arch>x86_64</arch> >>>> <model>Nehalem</model> >>>> <vendor>Intel</vendor> >>>> <topology sockets='1' cores='4' threads='1'/> >>>> <feature name='rdtscp'/> >>>> <feature name='pdcm'/> >>>> <feature name='xtpr'/> >>>> <feature name='tm2'/> >>>> <feature name='est'/> >>>> <feature name='smx'/> >>>> <feature name='vmx'/> >>>> <feature name='ds_cpl'/> >>>> <feature name='monitor'/> >>>> <feature name='dtes64'/> >>>> <feature name='pbe'/> >>>> <feature name='tm'/> >>>> <feature name='ht'/> >>>> <feature name='ss'/> >>>> <feature name='acpi'/> >>>> <feature name='ds'/> >>>> <feature name='vme'/> >>>> </cpu> >>>> >>>> and corresponding cpu features from vdsClient: >>>> >>>> cpuCores = 4 >>>> cpuFlags = 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,rdtscp,lm,constant_tsc,arch_perfmon, >>>> pebs,bts,rep_good,xtopology,nonstop_tsc,aperfmperf,pni, >>>> dtes64,monitor,ds_cpl,vmx,smx,est,tm2,ssse3,cx16,xtpr, >>>> pdcm,sse4_1,sse4_2,popcnt,lahf_lm,ida,dts,tpr_shadow,vnmi, >>>> flexpriority,ept,vpid,model_coreduo,model_Conroe >>>> cpuModel = Intel(R) Xeon(R) CPU X3430 @ 2.40GHz >>>> cpuSockets = 1 >>>> cpuSpeed = 2394.098 >>>> >>>> Full outputs of virsh capabilities and vdsCaps are attached. The only >>>> difference I can see is that 6.4 exposes one additional cpu flags (sep) >>>> and this seems to break the cpu recognition of vdsm. >>>> >>>> Anyone has some hints on how to resolve or debug this further? What more >>>> information can I provide to help? >>>> >>>> Best regards >>>> Patrick >>>> >>>> >>>> >>>> _______________________________________________ >>>> Users mailing list >>>> Users(a)ovirt.org >>>> http://lists.ovirt.org/mailman/listinfo/users >>>> >>> >>> seems like a vdsm issue - can you check if you have this patch (not sure >>> its related): >>> >>> commit 558994f8ffe030acd1b851dfd074f3417681337b >>> Author: Mark Wu <wudxw(a)linux.vnet.ibm.com&gt; >>> Date: Tue Oct 9 11:18:10 2012 +0800 >>> >>> Fix a bug in the naming convertion of cpu feature 'sse4_x' >>> >>> The list slice opertion missed the last character. It caused >>> the feature name couldn't get chance to be converted into >>> libvirt's naming. >>> >>> Change-Id: Ia241b09c96fa16441ba9421f61a2f9a417f0d978 >>> Signed-off-by: Mark Wu <wudxw(a)linux.vnet.ibm.com&gt; >>> Reviewed-on: http://gerrit.ovirt.org/8413 >>> Reviewed-by: Dan Kenigsberg <danken(a)redhat.com&gt; >>> Reviewed-by: Michal Skrivanek <michal.skrivanek(a)redhat.com&gt; >>> >>> diff --git a/vdsm/libvirtvm.py b/vdsm/libvirtvm.py >>> index 64a3b6b..bd43b56 100644 >>> --- a/vdsm/libvirtvm.py >>> +++ b/vdsm/libvirtvm.py >>> @@ -735,7 +735,7 @@ class _DomXML: >>> >>> for feature in features[1:]: >>> # convert Linux name of feature to libvirt >>> - if feature[1:5] == 'sse4_': >>> + if feature[1:6] == 'sse4_': >>> feature = feature[0] + 'sse4.' + feature[6:] >>> >>> f = self.doc.createElement('feature') >>> >> >> My version of vdsm as stated by Dreyou: >> v 4.10.0-0.46 (.15), builded from >> b59c8430b2a511bcea3bc1a954eee4ca1c0f4861 (branch ovirt-3.1) >> >> I can't see that Ia241b09c96fa16441ba9421f61a2f9a417f0d978 was merged to >> 3.1 Branch? >> >> I applied that patch locally and restarted vdsmd but this does not >> change anything. Supported cpu is still as low as Conroe instead of >> Nehalem. Or is there more to do than patching libvirtvm.py? > > What is libvirt's opinion about your cpu compatibility? > > virsh -r cpu-compare <(echo '<cpu match="minimum"><model>Nehalem</model><vendor>Intel</vendor></cpu>') > > If you do not get "Host CPU is a superset of CPU described in bla", then > the problem is within libvirt. > > Dan. Hi Dan, virsh -r cpu-compare <(echo '<cpu match="minimum"><model>Nehalem</model><vendor>Intel</vendor></cpu>') Host CPU is a superset of CPU described in /dev/fd/63 So libvirt obviously is fine. Something different would have surprised my as virsh capabilities seemed correct anyway.