On Mon, Mar 03, 2014 at 10:30:11AM +0000, Struan Bartlett wrote: > Hi Martin > > Thanks for your response. Here's the output of that grep: > > # grep ^flags /proc/cpuinfo | sort -u > 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 > x2apic popcnt tsc_deadline_timer aes xsave avx lahf_lm ida arat xsaveopt > pln pts dtherm tpr_shadow vnmi flexpriority ept vpid > > I've just managed to install the libvirt-bin:amd64 package on the same > machine, on the wheezy-i386 distribution. The output of 'virsh > capabilities' is now reported correctly, and my VMs that required > SandyBridge are now booting. > > Have you any further suggestions? > Oh, I missed the fact that it was 32 bit distro. In that case, I guess some cpu features won't be available. No other ideas. Martin > Struan > > On 03/03/2014 10:00, Martin Kletzander wrote: > > On Fri, Feb 28, 2014 at 03:45:01PM +0000, Struan Bartlett wrote: > >> Hi > >> > >> On a range of Dell servers containing Intel 64bit processors, 'virsh > >> capabilities' reports the cpu differently on Debian Wheezy-amd64 and > >> Wheezy-i386. The results given by the Wheezy-i386 version seem very > >> wrong (since n270 is an Atom processor). Apart from architecture, the > >> package versions of libvirt-bin are identical: 1.2.1-1~bpo70+1. > >> /usr/share/libvirt/cpu_map.xml files are identical. Is this a known > >> issue? Details for one server are: > >> > >> # cat /proc/cpuinfo| head -n 26 > >> processor : 0 > >> vendor_id : GenuineIntel > >> cpu family : 6 > >> model : 45 > >> model name : Intel(R) Xeon(R) CPU E5-2650L 0 @ 1.80GHz > >> stepping : 7 > >> microcode : 0x70d > >> cpu MHz : 1800.054 > >> cache size : 20480 KB > >> physical id : 0 > >> siblings : 16 > >> core id : 0 > >> cpu cores : 8 > >> apicid : 0 > >> initial apicid : 0 > >> fpu : yes > >> fpu_exception : yes > >> cpuid level : 13 > >> wp : yes > >> 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 x2apic popcnt tsc_deadline_timer aes xsave avx lahf_lm ida arat > >> xsaveopt pln pts dtherm tpr_shadow vnmi flexpriority ept vpid > >> bogomips : 3600.10 > >> clflush size : 64 > >> cache_alignment : 64 > >> address sizes : 46 bits physical, 48 bits virtual > >> power management: > >> > >> ... > >> </proc/cpuinfo for processors 1..31 snipped here for brevity> > >> > > Check if all 32 CPUs have *exactly* the same flags, I remember an > > issue when we reported a wrong cpu because the probing code was > > scheduled on one of them which had one flag missing. If package and > > cpu_map.xml are the same, this is the only thing I can think of. > > Simple 'grep ^flags /proc/cpuinfo | sort -u' should do. If only one > > line is printed out than I don't know where the problem might be... > > > > Martin > > > >> # Running Wheezy-amd64 libvirt-bin1.2.1-1~bpo70+1 > >> # virsh capabilities > >> > >> <cpu> > >> <arch>x86_64</arch> > >> <model>SandyBridge</model> > >> <vendor>Intel</vendor> > >> <topology sockets='2' cores='8' threads='2'/> > >> <feature name='pdpe1gb'/> > >> <feature name='osxsave'/> > >> <feature name='dca'/> > >> <feature name='pcid'/> > >> <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> > >> > >> > >> # Running Wheezy-i386 libvirt-bin1.2.1-1~bpo70+1 > >> # virsh capabilities > >> > >> <cpu> > >> <arch>x86_64</arch> > >> <model>n270</model> > >> <vendor>Intel</vendor> > >> <topology sockets='2' cores='8' threads='2'/> > >> <feature name='lahf_lm'/> > >> <feature name='lm'/> > >> <feature name='rdtscp'/> > >> <feature name='pdpe1gb'/> > >> <feature name='avx'/> > >> <feature name='osxsave'/> > >> <feature name='xsave'/> > >> <feature name='aes'/> > >> <feature name='tsc-deadline'/> > >> <feature name='popcnt'/> > >> <feature name='x2apic'/> > >> <feature name='sse4.2'/> > >> <feature name='sse4.1'/> > >> <feature name='dca'/> > >> <feature name='pcid'/> > >> <feature name='pdcm'/> > >> <feature name='xtpr'/> > >> <feature name='cx16'/> > >> <feature name='tm2'/> > >> <feature name='est'/> > >> <feature name='smx'/> > >> <feature name='vmx'/> > >> <feature name='ds_cpl'/> > >> <feature name='dtes64'/> > >> <feature name='pclmuldq'/> > >> <feature name='pbe'/> > >> <feature name='tm'/> > >> <feature name='ht'/> > >> <feature name='ss'/> > >> <feature name='acpi'/> > >> <feature name='ds'/> > >> <feature name='pse36'/> > >> </cpu> > >> > >> Kind regards > >> > >> Struan Bartlett > >> > >> -- > >> > >> Struan Bartlett > >> NewsNow Publishing Limited > >> > >> Tel: +44 (0)845 838 8890 > >> Fax: +44 (0)845 838 8898 > >> > >> The UK's #1 News Portal: > >> > www.NewsNow.co.uk <http://www.NewsNow.co.uk> (est. 1998) > >> > >> Also tailored for Mobile: > >> > mobile.NewsNow.co.uk <http://mobile.NewsNow.co.uk/> > >> > >> Now with FREE Personalisation: > >> > Register <http://www.NewsNow.co.uk/register/> > >> > >> Bespoke B2B Internet News Monitoring: > >> > Internet News Monitoring > >> <http://www.newsnow.co.uk/services/newsmonitoring/> > >> > >> Bespoke B2B Headlines for Websites: > >> > Editorial-In-A-Box <http://www.newsnow.co.uk/services/websites/> > >> > >> NewsNow Publishing Limited, trading also as NewsNow.co.uk, is a company > >> registered in England and Wales under company no. 3435857 with > >> registered office The Euston Office, 1 Euston Square, 40 Melton Street, > >> London NW1 2FD > >> > >> _______________________________________________ > >> libvirt-users mailing list > >> libvirt-users@xxxxxxxxxx > >> https://www.redhat.com/mailman/listinfo/libvirt-users > > -- > > Struan Bartlett > NewsNow Publishing Limited > > Tel: +44 (0)845 838 8890 > Fax: +44 (0)845 838 8898 > > The UK's #1 News Portal: > > www.NewsNow.co.uk <http://www.NewsNow.co.uk> (est. 1998) > > Also tailored for Mobile: > > mobile.NewsNow.co.uk <http://mobile.NewsNow.co.uk/> > > Now with FREE Personalisation: > > Register <http://www.NewsNow.co.uk/register/> > > Bespoke B2B Internet News Monitoring: > > Internet News Monitoring > <http://www.newsnow.co.uk/services/newsmonitoring/> > > Bespoke B2B Headlines for Websites: > > Editorial-In-A-Box <http://www.newsnow.co.uk/services/websites/> > > NewsNow Publishing Limited, trading also as NewsNow.co.uk, is a company > registered in England and Wales under company no. 3435857 with > registered office The Euston Office, 1 Euston Square, 40 Melton Street, > London NW1 2FD >
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