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Description of problem: I'm running F25 with 4.8.0-0.rc7.git0.1.fc25.x86_64 kernel as L1 under Mirantis OpenStack 7.0 with nested wirtualization enabled in it as L0. #modprobe kvm_intel results is: modprobe: ERROR: could not insert 'kvm_intel': Input/output error I have another L1 with F24 with 4.7.3-200.fc24.x86_64 and I'm able to run other guests as L2 Both VM F24 and F25 show same output for # rdmsr -0 0x483 007f6fff00036dff Version-Release number of selected component (if applicable): kernel-4.8.0-0.rc7.git0.1.fc25 How reproducible: Always with 4.8.0-rc7 Steps to Reproduce: 1. Start L0 Ubuntu 14.04 with 3.13 kernel 2. Start L1 Fedora 25 Alpha + dnf update 3. modprobe kvm_intel Actual results: I'm unable to start L2 guest under F25 as L1 Expected results: I'm able to start L2 guest under F25 as L1 Additional info: # cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 63 model name : Intel(R) Xeon(R) CPU E5-2660 v3 @ 2.60GHz stepping : 2 microcode : 0x1 cpu MHz : 2599.996 cache size : 25600 KB physical id : 0 siblings : 1 core id : 0 cpu cores : 1 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 mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon rep_good nopl eagerfpu pni pclmulqdq vmx ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm vnmi ept fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid xsaveopt bugs : bogomips : 5199.99 clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management:
*********** MASS BUG UPDATE ************** We apologize for the inconvenience. There is a large number of bugs to go through and several of them have gone stale. Due to this, we are doing a mass bug update across all of the Fedora 25 kernel bugs. Fedora 25 has now been rebased to 4.9.3-200.fc25. Please test this kernel update (or newer) and let us know if you issue has been resolved or if it is still present with the newer kernel. If you have moved on to Fedora 26, and are still experiencing this issue, please change the version to Fedora 26. If you experience different issues, please open a new bug report for those.
The issue still exist on 4.9.9-200.fc25.x86_64
It also exist on 4.10.0-1.fc26.x86_64 from rawhide
*********** MASS BUG UPDATE ************** We apologize for the inconvenience. There is a large number of bugs to go through and several of them have gone stale. Due to this, we are doing a mass bug update across all of the Fedora 25 kernel bugs. Fedora 25 has now been rebased to 4.10.9-200.fc25. Please test this kernel update (or newer) and let us know if you issue has been resolved or if it is still present with the newer kernel. If you have moved on to Fedora 26, and are still experiencing this issue, please change the version to Fedora 26. If you experience different issues, please open a new bug report for those.
*********** MASS BUG UPDATE ************** This bug is being closed with INSUFFICIENT_DATA as there has not been a response in 2 weeks. If you are still experiencing this issue, please reopen and attach the relevant data from the latest kernel you are running and any data that might have been requested previously.
Issue is still present in 4.12.9-300.fc26.x86_64