Re: Re: kvm_intel fails to load on Conroe CPUs running Linux 4.12
Hi, On 07/08/17 18:50, Paolo Bonzini wrote: Given the rarity of your machine I'm currently leaning towards _not_ reverting the change. I'll check another non-Xeon Core 2 tomorrow that is from December 2008 (IIRC). If that one also lacks vNMI, or if I get other reports, I suppose I will have to reconsider that. afraid I've the same issue with 4.12, kvm_intel doesn't load and won't (but does on 4.11) on my Dell XPS M1210 with a Core 2 Duo T7200 from April 2007. cpuinfo and vmxcap output attached Thanks, Niall processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 CPU T7200 @ 2.00GHz stepping: 6 microcode : 0xc7 cpu MHz : 1000.000 cache size : 4096 KB physical id : 0 siblings: 2 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 10 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 lm constant_tsc arch_perfmon pebs bts rep_good nopl cpuid aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm tpr_shadow dtherm bugs: bogomips: 3994.63 clflush size: 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 CPU T7200 @ 2.00GHz stepping: 6 microcode : 0xc7 cpu MHz : 1000.000 cache size : 4096 KB physical id : 0 siblings: 2 core id : 1 cpu cores : 2 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 10 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 lm constant_tsc arch_perfmon pebs bts rep_good nopl cpuid aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm tpr_shadow dtherm bugs: bogomips: 3994.45 clflush size: 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: Basic VMX Information Hex: 0x1a0407 Revision 7 VMCS size1024 VMCS restricted to 32 bit addresses no Dual-monitor support yes VMCS memory type 6 INS/OUTS instruction information no IA32_VMX_TRUE_*_CTLS support no pin-based controls External interrupt exiting yes NMI exiting yes Virtual NMIs no Activate VMX-preemption timerno Process posted interruptsno primary processor-based controls Interrupt window exiting yes Use TSC offsetting yes HLT exiting yes INVLPG exiting yes MWAIT exitingyes RDPMC exitingyes RDTSC exitingyes CR3-load exiting forced CR3-store exitingforced CR8-load exiting yes CR8-store exitingyes Use TPR shadow yes NMI-window exiting no MOV-DR exiting yes Unconditional I/O exitingyes Use I/O bitmaps yes Monitor trap flagno Use MSR bitmaps yes MONITOR exiting yes PAUSE exitingyes Activate secondary control no secondary processor-based controls Virtualize APIC accesses no Enable EPT no Descriptor-table exiting no Enable RDTSCPno Virtualize x2APIC mode no Enable VPID no WBINVD exiting no Unrestricted guest no APIC register emulation no Virtual interrupt delivery no PAUSE-loop exiting no RDRAND exiting no Enable INVPCID no Enable VM functions no VMCS shadowing no Enable ENCLS exiting no RDSEED exiting no Enable PML no EPT-violation #VEno Conceal non-root operation from PT no Enable XSAVES/XRSTORS
Re: Re: kvm_intel fails to load on Conroe CPUs running Linux 4.12
Hi, On 07/08/17 18:50, Paolo Bonzini wrote: Given the rarity of your machine I'm currently leaning towards _not_ reverting the change. I'll check another non-Xeon Core 2 tomorrow that is from December 2008 (IIRC). If that one also lacks vNMI, or if I get other reports, I suppose I will have to reconsider that. afraid I've the same issue with 4.12, kvm_intel doesn't load and won't (but does on 4.11) on my Dell XPS M1210 with a Core 2 Duo T7200 from April 2007. cpuinfo and vmxcap output attached Thanks, Niall processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 CPU T7200 @ 2.00GHz stepping: 6 microcode : 0xc7 cpu MHz : 1000.000 cache size : 4096 KB physical id : 0 siblings: 2 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 10 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 lm constant_tsc arch_perfmon pebs bts rep_good nopl cpuid aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm tpr_shadow dtherm bugs: bogomips: 3994.63 clflush size: 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 CPU T7200 @ 2.00GHz stepping: 6 microcode : 0xc7 cpu MHz : 1000.000 cache size : 4096 KB physical id : 0 siblings: 2 core id : 1 cpu cores : 2 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 10 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 lm constant_tsc arch_perfmon pebs bts rep_good nopl cpuid aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm lahf_lm tpr_shadow dtherm bugs: bogomips: 3994.45 clflush size: 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: Basic VMX Information Hex: 0x1a0407 Revision 7 VMCS size1024 VMCS restricted to 32 bit addresses no Dual-monitor support yes VMCS memory type 6 INS/OUTS instruction information no IA32_VMX_TRUE_*_CTLS support no pin-based controls External interrupt exiting yes NMI exiting yes Virtual NMIs no Activate VMX-preemption timerno Process posted interruptsno primary processor-based controls Interrupt window exiting yes Use TSC offsetting yes HLT exiting yes INVLPG exiting yes MWAIT exitingyes RDPMC exitingyes RDTSC exitingyes CR3-load exiting forced CR3-store exitingforced CR8-load exiting yes CR8-store exitingyes Use TPR shadow yes NMI-window exiting no MOV-DR exiting yes Unconditional I/O exitingyes Use I/O bitmaps yes Monitor trap flagno Use MSR bitmaps yes MONITOR exiting yes PAUSE exitingyes Activate secondary control no secondary processor-based controls Virtualize APIC accesses no Enable EPT no Descriptor-table exiting no Enable RDTSCPno Virtualize x2APIC mode no Enable VPID no WBINVD exiting no Unrestricted guest no APIC register emulation no Virtual interrupt delivery no PAUSE-loop exiting no RDRAND exiting no Enable INVPCID no Enable VM functions no VMCS shadowing no Enable ENCLS exiting no RDSEED exiting no Enable PML no EPT-violation #VEno Conceal non-root operation from PT no Enable XSAVES/XRSTORS
