On 2016/11/17 20:39, Paolo Bonzini wrote: > > On 10/11/2016 15:10, gong lei wrote: >> 4) The isssue can't be reporduced. I search the Intel VMX sepc about >> reaseons >> of vmptrld failure: >> The instruction fails if its operand is not properly aligned, sets >> unsupported physical-address bits, or is equal to the VMXON >> pointer. In addition, the instruction fails if the 32 bits in memory >> referenced by the operand do not match the VMCS >> revision identifier supported by this processor. >> >> But I can't find any cues from the KVM source code. It seems each >> error conditions is impossible in theory. :( > Yes, it should not happen. :( > > If it's not reproducible, it's really hard to say what it was, except a > random memory corruption elsewhere or even a bit flip (!). > > Paolo Thanks for your reply, Paolo :)
-- Regards, -Gonglei