[. . .] >> Here's host dmesg: https://bugzilla.kernel.org/attachment.cgi?id=119751 >> >>>> Can you ftrace the failure? >> >> Can try, need some time (rest of the day I'll be away travelling, >> will try to do it over the weekend, and update the Kernel >> bugzilla with observations). >> >>>> >>> Ugh, it looks like guest dmesg but there are KVM messages there too ("[ >>> 281.443662] kvm [2452]: vcpu0 unhandled rdmsr: 0xe8" is unhandled access >>> to MSR_IA32_APERF I was talking about above), so I guess this is nested >>> guest invocation? >> >> Yeah -- sorry, I forgot to note it's in a nested environment :( >> >>> Does it happen in non nested guest? >> >> I need to that. >> >> Note to self: Also try with a newer Kernel on the host. > > Please try the patch I posted earlier today when you're at it: > > https://patchwork.kernel.org/patch/3411991/ I applied the patch & tried to build the Kernel, it failed with: ======= . . . Generating a 4096 bit RSA private key ............................................................................................................drivers/cpufreq/intel_pstate.c: In function 'intel_pstate_init_cpu': drivers/cpufreq/intel_pstate.c:617:18: error: 'struct pstate_data' has no member named 'current_state' if (!cpu->pstate.current_state) { ^ ...make[2]: *** [drivers/cpufreq/intel_pstate.o] Error 1 make[1]: *** [drivers/cpufreq] Error 2 make[1]: *** Waiting for unfinished jobs.... .....................................make: *** [drivers] Error 2 make: *** Waiting for unfinished jobs.... ...................................++ ======= I'll try it on Fedora Kernel git, do a test build and re-try again. -- /kashyap -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
