On Tue, Sep 28, 2010 at 11:40 AM, Neo Jia <neojia@xxxxxxxxx> wrote: > On Tue, Jul 27, 2010 at 3:04 AM, Avi Kivity <avi@xxxxxxxxxx> wrote: >> On 07/26/2010 08:58 PM, ewheeler wrote: >>>> >>>> O >>>> n 07/26/2010 07:01 PM, Neo Jia wrote: >>>>> >>>>> hi, >>>>> >>>>> I am seeing an unhandled vm exit: 0x11 on Win7 with KVM-88 release and >>>>> wondering if I am still able to dump the code from guest OS when this >>>>> happens. But it looks that all instructions are 0s after adding one >>>>> more print code after dumping the guest registers. >>>>> >>>>> And it is very likely that this problem is fixed in the latest qemu >>>>> code base but I still would like to know how to debug and investigate >>>>> this kind of problem. BTW, I am using 32-bit qemu + 64-bit KVM kernel >>>>> module. >>>>> >>>>> unhandled vm exit: 0x11 > > Avi, > > I found the instruction that caused this problem: > > emulation failed (failure) rip 71f14651 66 0f 7f 07 > > And according to Intel, this is a MOVDQA. So, do we already have this > instruction emulated as I am using a pretty old version of KVM > (release 88)? If yes, could you point me to the file I need to look at > for that specific patch? > > Currently, I am trying to use coalesced_mmio as you suggested in > another thread: > http://www.mail-archive.com/kvm@xxxxxxxxxxxxxxx/msg25695.html Just found out that coalesced_mmio doesn't help in my case. Thanks, Neo > > Thanks, > Neo > >>> >>> I happened to be in the intel docs today: >>> 0x11 (17) RSM. Guest software attempted to execute RSM in SMM. >> >> As it happens, the 0x11 should be looked up as a KVM_EXIT_REASON (kvm.h), >> not in the manuals as I said. It's a kvm internal error. >> >>> What is RSM and SMM? >> >> These are documented in the manuals. >> >> -- >> error compiling committee.c: too many arguments to function >> >> > > > > -- > I would remember that if researchers were not ambitious > probably today we haven't the technology we are using! > -- I would remember that if researchers were not ambitious probably today we haven't the technology we are using! -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
