I was able to reproduce the bug on another type of processor (core i7). /dev/kvm is not available with vivid kernel but available with trusty kernel.
ubuntu@vivid-adt3:~$ cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 2 model name : Intel Core i7 9xx (Nehalem Class Core i7) stepping : 3 microcode : 0x1 cpu MHz : 2400.084 cache size : 2048 KB physical id : 0 siblings : 1 core id : 0 cpu cores : 1 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 2 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pse36 clflush mmx fxsr sse sse2 ss syscall nx rdtscp lm rep_good nopl pni vmx ssse3 cx16 sse4_1 sse4_2 popcnt hypervisor lahf_lm bugs : bogomips : 4800.16 clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management: ubuntu@vivid-adt3:~$ ls -l /dev/kvm ls: cannot access /dev/kvm: No such file or directory ubuntu@vivid-adt3:~$ sudo modprobe kvm_intel modprobe: ERROR: could not insert 'kvm_intel': Input/output error ubuntu@vivid-adt3:~$ uname -a Linux vivid-adt3 3.19.0-9-generic #9-Ubuntu SMP Wed Mar 11 17:50:03 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1431473 Title: kvm_intel (nested) module will not load [Input/output error] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1431473/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
